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AUTHOR INDEXINDUSTRIAL AND ENGINEERING CHEMISTRY
ANALYTICAL EDITION
VOLUME 13-1941
A gru bs, M . S., A y e r s , G . W ., J r ., a nd Sc h in d l e r , H a n s . O rganic H alogen C om pou nds in M ineral Oils. D etection , D eterm ination ,and Iden tifica tion .................................................................................................. 69
See also Bell, R . T .A l b e r , H. K . S ystem atic Q ualitative O rganic M icroana lysis. Im
proved A pparatus for M icropreparative W o r k .......................................... 650See also B a tt, W . G ., and R oy er, G . L.
A l d r e d , J . W . H. Sam pling and Analysis o f P h osp h oru s........................... 390A l f in , R o s ly n . See Zahnd, H ugo. #A l ic in o , J. F . M icroana lytica l D eterm ination o f Sulfur. M odified
B om b M e th o d ......................................................................................................... 500A l u is e , V . A . M icrodeterm in ation o f M olecu lar W eights o f D ark -
C olored O rganic M aterials. C ryoscop ic M e th o d ...................... 365A l y e a , H . N . D eterm ination o f O xygen in T a n k H y d rog en 104A m b l e r , P h y l l is , a nd G rig gb , M . A . D eterm ination o f M etals in
Som e Pectinates. C om parison o f P h otom etric and SpectrographioM eth od s ..................................................................................................................... 102
A m e r ic a n A sso c iatio n of T e x t il e C h e m ist s an d C o l o r ist s . F astness to A tm ospheric G ases o f D yes on C ellu lose A cetate R a y o n . . . 163
A n d e r 80N, C . W . D eterm ination o f Z inc by P recipitation as ZinoA nthranilate. G ravim etric Sem im icrom eth od ....................................... 367
A n d r e w s , J . C ., and W e b b , B . D . O ptical A ctiv ity o f Q uinine andSom e o f Its Salts in M ixtures o f W ater and E th y l A lco h o l................. 232
A r a b ia n , K . G . See F ord , T . F.A r c h ib a l d , F . M ., a nd B a l d e s c h w ie l e r , E . L . Analysis o f Petroleum
O il-S o lu b le Sulfonic A cid S oap s .................. 608A r n o l d , A a r o n , Sc h r e f f l e r , C . B ., a n d L ip s iu s , S. T . M icrodeter
m ination o f N icotin ic A cid b y Chem ical M eth od s ................................ 62A r t h u r , P a u l , a nd N ic k o llb , C . L . C on ven ien t D istilling C olum n
H e a d ............................................................................................................................ 356A s h l e y , S. E . Q. Spectroph otom etric M eth od s in M od ern A n alytical
C hem istry (C orrection )...................................................................................... 43A bsaf , A . G . Sec B alsbaugh, J. C .A y e r s , G . W . See Schindler, H ans.A y e r s , G . W ., J r . See Agruss, M . S.
BB a ie r , C . H . See D unn, E . J., Jr.B a il e y , A . J . 60-P late L ow -H old u p L a b ora tory F raction atin g
C olu m n .......................................................................................................................... 487B a il e y . C . R . N ew Instrum ent for R h eologica l Studies o f Plastic
Substances................................................................................................................... 173B a il e y , G . C . See W agner, G . H . , .B a il e y , Jo h n , a n d B e e b e , C . K . D eterm ination o f C itral b y M eans
o f P h otoelectric C o lorim eter............................................................................... 834B a l c h , R . T . R apid D eterm ination o f Starch (R o o t ) w ith Sodium
H y p och lo rite ........................................................................ 246a nd P h il l ip s , J. K . D eterm ination o f Starch b y A . O A . C . M a lt-
D iastasc M ethod . E ffect o f Pretreatm ent o f S am ples.......................... 815B a ld e s c h w ie le r , E . L . See A rch iba ld , F . M ., and M cA rd le , E . II. B a ld w in , W . H ., a n d Lanham , W . B ., J r . C h em istry o f M enhaden
Oil. C om pon en t F atty A cid s ........................................................................... 615B a l l a r d , A . E ., and T h o r n t o n , C . D . W . P h otom etric M eth od for
E stim ation o f M in ute A m oun ts o f M ercu ry ............................................ 893B a l l e n t in e , R o b e r t . D eterm ination o f A scorb ic A cid in C itrus
Fruit Ju ices............................................. 89B a l s b a u g h , J. C ., an d A ssaf , A . G . M ineral O il D eterioration
S ystem ; *. • * 515B a m b a c h , K a r l , an d C h o l a k , J a c o b . M icroe lectro ly tic D eposition
o f Lead from Biological M ateria l..................................................................... 504Sec also C holak , J acob . , .
B a r b e r , H . H. M icroseparation o f C alcium N itrate from StrontiumN itrate b y M on obu ty l Ether o f E thylene G ly c o l ................................. 572
B a t t , W . G ., an d A l b e r , H . K . System atic Q ualitative O rganic M icroanalysis. C om parative S tu dy o f Procedures o f M icroextra ction ................................ ,*,•••«........ ...............................................................
B a ty , M a r o a r e t . See G aebler, O. H .B e a l e , R . S ., H u tc h ison , A . W ., a nd C h a n d l e e , G . C . Perm anga
nate T itra tion o f T hallous S a lts .......................................................... 240B e c k e l , A . C ., and E a r l e , F . R . S tudy o f M oisture in S o y b e a n s .. . 40B e c k e r , H . C .. an d F.n g l is , D . T . D eterm ination o f L evu lose in
Presence o f D extrose and Sucrose. F erricyanide M e th o d ................. 15B e e b e . C . K . See B ailey, John . .B e l l , R . T ., an d A gru bs , M . S. A n alytical Procedure for M ixtu res o f
O rganic Sulfur C om p ou n d s........................................................ 297B e n d e r , P . J. See D ietrich, H . G .B e n e d e t t i - P i c h le r , A . A . See L lacer, A . J.B e n n e , E . J. See Petering, I i . G . .B e n s o n , S. W . M icrom ethod for Identification o f V olatile L iquids.
V apor Pressures o f C yclopen tan e and Pentenea..................................... 502B e r l , E . V iscosity D eterm ination o f C ellu lose................. 322B e r r y , J. K . Therm oelectric E ffects in P h otom etry ....................... 396B i e f e ld , L . P . See L igett, W . B . . .B if f e n , F. M . S team -D istillation o f Sm all Q uantities o f V olatile Oils
Lighter T h an W a te r .................................................. • 422B ik e r m a n , J . J . M icrom ethod o f M easuring C on ta ct A n g les ................. 443B in d e r , J. L. See K am m erm eyer, K arl.B ird , O. D . See E m m ett, A . D .B l a c e t , F . E . See B laedel, W . J.
B l a c k , A r c h i e . See Coy, N. H.B l a c k i e , W . J. New Color Reactions for Cannabis saliva Resin 96B l a e d e l , W. J., a n d B l a c e t , F. E. Colorimetric Determination of
Formaldehyde in Presence of Other Aldehydes................................... 449B l i s s , C. I. Biometry in Service of Biological Assay.............................. 84B o e t t n e r , E. A. Spectrochemical Analysis of Alkali Products............. 861B o y l e , A. J. See Willard, H. II.B r a d f o r d , L. H., a n d K i r k , P. L. Microdetermination o f Electro
lytic Copper by Cerimetric M eth od . .................................. 64B r a n t , J. II., a n d S ie v e r b , D. C. Scmimicro- and Micro-Kjeldahl
Steam-Distillation Unit.............. ............................................................... 133B r a u n s , F. E. Improved Electrodialyzer................................................... 259B r i g n a l l , T . W. Determination of Menthol in Oil of Pepperm int.. . 166B r i m h a l l , B e r n a d i n e . See Hixon, R. M.B r o g d e n , C. E. American Tobacco Company Research Laboratory 664B r o o m e , F. K., a n d S a n d s t r o m , W . M . Reducing Properties of l-
Sorbosc............................................................................................................. 234B r o w n , R. A. See Emmett, A. D . >B r y a n t , E. F. Use of Thorium Nitrate to Distinguish between
Pectin and Certain Gum s.......................................................................... 103B u r k e , W . M. Boron Determination in Volatile Organic Compounds
Using Parr Oxygen Bom b.........................;•••*....................................... 50B u r r , H K., a n d S ta m m , A. J. Magnetic Stirrer for Use in Cup
Type of Moisture-Transfusion Apparatus ............................... 655B u s h , M . T . Laboratory Condenser............................................................. 592
C a d b u r y , W . E ., J r . See Meldrum, W *B .C a la m a r i , J. A. Rapid Detection of Chromium in Stainless Steels,
Other High-Chromium Alloys, and Plating. ................................... 19C a l e y , E. R . Volumetric Flasks for Microamilysis................................. 204C a l l a n , T. P., a n d T o e n n i e b , G. Determination of Sulfur in Organic
Compounds. Oxidation of Sulfur of Cystine and Methionine, Combination of Parr Oxygen Bornb and Acidimetric Benzidine Method, and Determination of Small Amounts of Sulfur Compound Presentas Contaminant in Organic Material .......................................... 450
C a n n o n , M. R., a n d F e n s k e , M . R. Viscosity Measurement 299See also Fenske, M.^R.
C a r n e y , A. S. See Lincoln, R. M.C a r t l e d g e , G. H., a n d N i c h o l s , P. M . Determination o f Cobalt
as Trioxalatorobaltiate................................................................................ 20C e n t e r , E. J., See Willard, H. H.C h a n d l e e , G. C. See Beale, R. S.C h e l d e l i n , V. H ., a n d C h r i s t e n s e n , B. E . Laboratory-Scale Flow
Regulator........................................................................................................ 805C h o l a k . J a c o b , a n d B a m b a c h . K a r l . Mierodetermination of Lead in
Biological Material. Polarographic Method....................................... 583See also Bambach, Karl.
C h r i s t e n s e n . B. E., F r ie d m a n , L e o , a n d 8AT9, Y o s h i o . Studies of Methoxyl Mierodetermination. Modification of Apparatus andPreparation of Hydriodic Acid................................................................. 276
P e n n i n g t o n , L l o y d , a n d D im ic k , P. K. Determination of H ydroxyl Content of Organic Compounds. Acetyl Chloride as Reagent........................................................ . ...........#. ........................................ 821
a n d W o n o , R o b e r t . Wet-Combustion Micromethod for Determination of Carbon and Hydrogen. Iodic Acid as Oxidant forW et Combustion............................................................. 444
See also Cheldelin, V. H.C j a p e t t a , F. G. See Tomlinson, H. M .C l a h a c g h , W. S. See Wichers, Edward.C l a r d y , F. P ., M a u p in , H. R., a n d G ib b s , R . S. Determination
of Silicon in Monel Metal, Copper-Silicon Alloys, and SimilarNonferrous Alloys Containing Silicon. .............................................. 88
C l a r k , E. P. Signer Method for Determining Molecular W eights.. 820C l a r k , G. L., a n d R u g g , F. M. Measuring Oxidation of Vegetable
Oil.......................................................................................................... 243C l e l a n d , J. E., a n d F e t z e r , W. R. Determination o f Moisture in
Sugar Products. Use of Filter-Cel for Corn Sirup............................. 858-C o h e n , S t u a r t , a n d R u c h h o f t , C. C. Sulfamic Acid Modification of
Winkler Method for Dissolved O xygen... ............................. 622C o l e m a n , S. A., a n d S m ith . G. B L. Precipitation of Zinc Sulfide
from Solution of Ammonium Citrate and Citric A cid .......... 377C o l e s , II. W ., a n d T o u r n a y , W. E. Laboratory Water-Bath for
Cooking, Mashing, and Fermentation Studies..................................... 849C o n n e r , R. T ., a n d S t r a u b , G. J. Combined Determination of
Riboflavin and Thiamin in Food Products ........................... 385Determination of Thiamin by Thiochrome Reaction............................ 380
C o n r a d , C. M. Role of Velocity Gradient in Determining Cupram-monium Fluidity of Cellulose : • • •......................................... 520
C o o k , J. W . Rapid Method for Determination of Manganese inFeeds............................................................................................................... 48
C o o p e r , S. S. Mixed Indicator Bromocresol Green-M ethyl Red forCarbonates in W ater.................................................................................... 466
C o w l i n o , H a l e , a n d M i l l e r , E. J. Determination of Small Amountsof Zinc in Plant Materials. Photometric Dithizone M ethod .. . . 145
C o y , N. H., S a s s a m a n , H. L., a n d B l a c k , A r c h i e . Spectrophotometric and Biological Assay of Vitamin A in Oils............................. 74
C r a w f o r d , T. C. See Van Valkenburgh, H. B.C r o s s l e y , R. H. See Palmer, II. F.C r o w e , M . O’ L. Micromethod of Chromatographic Analysis 845C r o w e l l , W . R ., L u k e , W . W ., a n d M a b t in , T . G. Determination of
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926 I N D U S T R I A L A N D E N G I N E E R I N G C H E M I S T R Y Vol. 13, No. 12
Iron by Zimmerman-Reinhardt Method. Effects of Temperatureand Determination of Blank............................................... 94
C u m m in g s , It. W. See lteed, J. F.C o r t i s , J. A. Quantitative Determination and Separation of Copper
with Benzotriazole.......................................................................................... 349C u t t e r , H . B., a n d T a r a s , M i c h a e l . Method for Identification of
Nitriles............................................................................................................... 830
D a r r i n , M a r c . Chromate# Corrosion Inhibitors in Bimetallic Systems Compared by Scoring M ethod Based on Visual Observations 755
D a v e n p o r t , J. E. See Evans, R. N.D e a n , E. W . See Ruh, E. L.D e G r a y , R. J., a n d D e M o i s e , A. W. Segregation of High- and
Low-Titer Fatty Acids............................................................................... 22D e h n , W . M. See Quensc, J. A.D e m a r e b t , B e a u m o n t . Photoelectric Vitamin A Photom eter 374D e M o i s e , A. W. See De Gray, R. J.D e V r ie s , T h o s . , a n d I v e t t , R . W . Polarographic Study of Aliphatic
Nitro Compounds......................................................................................... 339D e W i t t , T h o m a s . See Emmett, P. H.D i e t r i c h . H. G., a n d B e n d e r , P. J. Tungsten-Nickel and Tung-
stcn-Silver Electrode Systems in Neutralizations............................... 105D im ic k , P. K . See Christensen, B. E.D im l e k , R. J. See Moore, Stanford.D o t y , D . M . Methods for Estimation of Some Amino Acids in Corn
Grain................................................................................................................ 169D u k e , F. R. See Smith, G. F.D unn, E. J., Jr., a n d B a i e r , C. H. Applicator for Preparation of
Uniform Paint Films.......................................................................... 427D u t c h e b , R . A. New Science Building at Pennsylvania State
College............................................................................................................. 512
E a r l e , A n n . See Strong, F. M.E a r l e , F. R. See Bcckel, A. C.E b r e y . G. O. Methods for Clarifying Oxidized or Used Mineral
Oils and Determining Sludge.................................................................... 549Eby, L. T . See Towne, R. S.E d l u n d , K. R . See Fuchs, G. II., von.E d w a r d s , J. E. Note on Determination of Silica in Calcined Alumina 70 E l d r e d o e , K. R. See Matteson, Robert.E l l e d o e , B. E. See Griggs, M . A.E l l i o t t , G. A. See Potn, E. J.E l v e h je m , C. A . See Waisman, H. A.E l v i n o , P. J.? a n d M c E l u o y , W. R. Removal of Nitrogen Oxides
in Semimicrodeter mi nation of Carbon and H ydrogen...................... 660E l y , R a y . See M oore, L. A.E m b r e e , N. D . Physicochemical Assay of Vitamin A ............................. 144E m m e t t , A . D . , B i r d , O. D „ B r o w 'n , R . A ., P e a c o c k , G a i l , a n d
V a n d e n b e l t , J. M . Determination of Vitamin Bj (Ribofiavin). Comparison of Bioassay, Microbiological, and FluorometricM ethods.......................................................................................................... 219
E m m e t t , P. II., a n d D e W i t t , T h o m a s . Determination of Surface Areas. Pigments, Carbon Blacks, Cement, and MiscellaneousFinely Divided or Porous Materials....................................................... 28
E n o l i s , D . T . See Becker, H. C.E v a n s , J. W ., a n d F e t z e k , W . R. Determination of Moisture in
Sugar Products. Filter Paper Method for Corn Sirup.................... 855E v a n s , R. N., D a v e n p o r t , J. E., a n d R e v u k a b , A . J. Chemical
Factors in Determination of Water in Insulating Oil. NewElectrical M ethod........................................................................................ 589
E v e r s o l e , W . G. See Wagner, G. H,
F a i r c h i l d , J. G. Basic Sulfates of Iron and Aluminum in AnalyticalSeparations.................................................... 83
F a r l e y , F. F., a n d I I i x o n , R. M . Reducing Power of Starches andDextrins............................................................................................... 616
F e a g a n , R. A., J r . See Patton, E. L.F e e n e y , R. E. See Strong, F. M.F e n b k e , M. R ., S t e v e n s o n , C. E., R u s k , R. A., L a w s o n , N. D.,
C a n n o n , M . R ., a n d K o c i i , E. F. Oxidation of Lubricating Oils.Apparatus and Analytical M ethods........................................................ 51
See also Cannon, M . R.F e t z e r , W . R . See Cleland, J. E ., and Evans, J. W.F i l b e r t , B. M . See Savelli, J. J.F in n , A. N. See Wichers, Edward.F l a g g , J. F ., a n d W i i o , E. O. Tracer Isotopes in Analytical Chem
istry.................................................................................................................. 341F o r d , O. W . See Hughes, C. W .F o r d , T . F ., a n d A r a b i a n , K . G . R e c o v e r y o f A s p h a lts a n d L iq u id
Asphaltic Road Materials from Solution.............................................. 140F o s t e r , W. C. See McClendon, J. F.F r a n c e , W . D . See Milligan, W . E.F r a n c i s , A. W ., a n d H i l l , A. J. Bromination of Phenols by Means
of Bromide-Bromate Solution (Correspondence)................................ 357.F r a p s , G. S., a n d K e m m e r e r , A. R. Determination of Carotene and
Cryptoxanthin in Yellow C orn............................................................. S06F r a z i e r , C h a r l e s . See Von Mikusch, J. D. #F r e d ia n i , II. A ., a n d W a r r e n , W . B. Multiple Electrode System
for Potentiometric Titration Studies...................................................... 646. See also Waldbauer, Louis.F r e d r i c k , W , G. Estimation of Small Amounts of Antimony with
Rhodamine B ................................................................................................ 922F r e e m a n , R. D ., a n d P e t e r s o n , F. C. Proximate Analysis of
Heartwood and Sapwood of Some American Hardwoods................. 803F r e n c h , C. L. See Peters, C. A.F r e y , C. N. See Johnston, W . R.F r ie d m a n , L e o . See Christensen, B. E,F u c h s , G. H., v o n , W i l s o n , N. B., a n d E d l u n d , K . R . Evaluation
and Performance of Turbine Oils............................................................ 306F u g a s s i , P a u l , a n d R u d y , C. E ., J r . Electronic Relay (Correc
tion )................................................................................................................. 139F u lt o n , C. C. Iodosulfate Microchemical Identification Tests for
Cinchona Alkaloids...................................................................................... S48
GG a e b l e r , O. II., and B a t y , M a r o a r e t . D etection and T itration o f
C hrom ate in B lood Iod ine M icrodeterm in ation s.................................... 442G a y n o r , J. W . See Lam b, G . G.G e n u n g , L . B ., a nd M a l l a t t , R . C. Analysis o f C ellulose D eriva
tives. # D eterm ination o f T ota l C om bined A cy l in CelluloseO rganic E sters........................................................................................................ 369
G e r b e r , A . B ., a nd M il e s , F. T . Analyses o f Sodium M eta-, P yro-,and O rthophosphates w ith Som e A n notations on M e th o d s 406
G e t t l e r , A . O. See Sproull, R . C.G ib b s , R . S. See C lardy, F . B .G il l a m , W . S. P h otom etric M eth od for M icrodetcrm ination of
M agnesium ............................. 499G o l d m a n , F . I I . H ydrofluosilicic A cid M eth od for D eterm ination o f
Q uartz......................................................................................................................... 739G o o d e n , E . L. P ow der C om pa ctor for A ir-P erm eation E xperim ents 483G o r e , R . C ., an d P a t b e r g , J. B . E stim ation of A liphatic C— II
C on ten t o f T oluene through Its In frared A b sorp tion ........................ 768G r a y , P . P ., a nd R o th c h il d , H a r o l d . D eterm ination o f M elibiase
A c t iv ity .................................. 902G r e e n , F . O. Sam ple Carrier for O rganic L iq u id s .................................... 911G r e e n , H e n r y . T a ck m eter, Instrum ent for A n alyzing and M easuring
T a ck . A p p lication to P rinting In k s .......................................................... 632G r ig g s , M . A ., J o h n s t in , R u th , an d E l l e d g e , B . E . M ineral
Analysis o f B iologica l M aterials. Use o f Lundegftrdh Spectro-graphic M e th o d ...................................................................................................... 99
See also A m bler, Phyllis.G u t h r ie , E . S. See Sharp, P . F.
HH a d e n , W . L ., J r ., a n d L u t t r o p p , E . S. M icroanalysis o f Gases.
C om bin ed T oep ler P u m p and M cL eod G age D esigned for M icro analysis w ith D ry R ea gen ts ............................................................................. 571
H a l l , S. A . See Joshel, L . M .H a l l e r , H . L . See Schechter, M . S.H a l l e t t , L . T . See R oy er, G . L.H a l v e r so n , J. 0 . , a nd Sm it h , F . H . E stim ation o f G ossyp ol in
C rude C ottonseed O il.......................................................................................... 46H an d , D . B . See Sharp, P. F . .H a n s o n , V . F. U ltraviolet Ph otom eter. Q uantita tive M easurem ent
of Sm all T races o f Solvent Vapors in A ir ................................................... 119H a r d e r , W . I. G raphite H eating B a th s ............................................................. 429H a r t , D a v id , an d M e y r o w it z , R o b e r t . R em ova l o f T h iocyan a te
in D etection o f H a lides......................................................................................... 237H a r v a l ik , Z a b o j . M icrocham ber for L ow T em peratu res....................... 581H a r v e y , C . E . See Hasler, M . F.H a s l e r , M . F ., a n d H a r v e y , C . E . Q uantitative S pectrochem ical
M eth od for Z in c D ie Casting A n a ly sis .................................................. 540H a t f ie l d , W . D ., a n d P h il l ip s , G . E . M odified P h otoelectric
P h otom eter for C olorim etric D eterm ination s in W ater and SewageL a boratories ............................................................................................................. 430
H a u r a n d , C . H . See N eal, R . H.H a y e s , W . G ., an d Jo n e s , E . W . D eterm ination o f Zircon iu m in
Steel. R apid C olorim etric M e th o d ............................................................ 603H ech tm a n , M o r r i s . See K ane, H . J.H e d r ic k , J. E . See M cM illen , J. II.H e g g ie , R o b e r t . See M ilas, N . A .H e is io , G . B ., a n d L e r n e r , A a ro n . M icrodetection o f C arbon
D iox ide and Sulfur D iox ide in M ixtures o f C arbonates and Sulfites ............................................................................................................................... 843
H e n d e r s o n , L . M . See Schindler, Hans.H e n n e ssy , D . J. C hem ical M eth ods for D eterm ination o f V itam in
B i ..................................................................................................................................... 216H e r s c h l a g , V . E . P rocedure for V olum etric D eterm ination o f G old
b y M eans o f Potassium Iod id e and Arsenious A c id ......................... 561H i l l , A . J. See Francis, A . W .H in e , C . H. See K ozelka, F. L.H ir s c h . A . A . C ontinuous C alcium C arbonate Saturation Balance
In d ica tor .................................................................................................................... 811H ix o n , R . M ., an d B r im h a l l , B e r n a d in e . G elom eter for Starch
P astes............................ 193See also Farley , F. F .
H o lm e s , F . E . A pparatus for M icroextraction o f L ipoids from W etT issues ........................................................................................................................... 918
C ontrolling A pparatus to E lim inate W aste o f W ater in UsingO rdinary Filter P u m p ............................................................................................ 759
R ea ction T u be for D eterm ination o f 17 -K etoa teroids............................. 911Sim ple V acuum Still for Purification o f Single Substance or R e
cov ery o f S ingle F ra ction .................................................................................. 61V olum etric T u bes for Sm all V o lu m es................................................................. 586
H o p p e r , T . II. See M ajors, K . R .H o r s w e l l , R . G ., and S il v e r m a n , L e s l ie . A m yl N itrite. M ethod
for Its Q uantitative D eterm ination and Som e O bservations onIts D ecom p osition ............................................................. 555
H u b b a r d , D . M . M icrodeterm in ation o f Arsenic in B io log ica l M aterial. P h otom etric M e th o d ................................................................................. 915
H u g h e s , C . W ., a n d F o r d , O. W . E ffect o f Tem perature o f A lcoh ol inD eterm ination o f Potasli in Fertilizers.......................................................... 233
H u tc h iso n , A . W . See Beale, R . S.
IIn o u y e , K a o r u , S u n d e r l in , R u ssel l , a nd K ir k , P . L . M icroscop y
o f A m in o A cids and T h eir C om pou nds. Silver S a lts ............................. 587I r v in e , V . C . See Tam ele, M . W .I v e t t , R . W . See D e Vries, Thos.
J e l l e y , E. E. Application of Grating Microspectrograph to Problemof Identifying Organic Compounds......................................................... 196
J o h n s , I. B ., a n d S e i f e r l e , E, J. Simplified MicrohydrogenationApparatus....................................................................................................... 841
J o h n s o n , C. R., a n d M i l l e r , H a r v e y . Useful Centrifuge Accessories 118 J o h n s t in , R u t h . See Griggs, M. A.J o h n s t o n , W . R ., a n d F r e y , C. N. Autoxidation Measurements on
Fatty Oils Using Barcroft-Warburg Apparatus................................. 479J o l l y , S. E. Preparing Gas Distributors Using Alundum Disks 478J o n e s , E. W . See Hayes, W . G.J o n e s , H. A. Effect of Soft Glass on Melting Point of R oten on e .. . . 819
December 15, 1941 A N A L Y T I C A L E D I T I O N 927
J o n e s , L. M. See Ivuypcr, A. C.J o n e s , W . E. See Palmer, H. F.J o n e s , W . H ., a n d S t a r r , C. E., J r . Determination o f Heat o f
Combustion of Gasolines............................................................................ 287J o r d a n , W . F. See Novotny, C. K.J o s h e l , L. M ., H a l l , S. A., a n d P a l k i n , S. Determination of Un
saturation in Terpene Series...................... 447
KH a u l e r , H . L. D eterm ination o f Soluble Silica in W ater. P h oto
m etric M e th o d ........................................................................................................ 536K a li c h , F . V . See W iegand, C . J. W .K a l l m a n n , S il v e . Separation o f B ism uth from Lead w ith A m
m onium F orm ate ................................................................................................... 897a n d P r ib t e r a , F r a n k . R apid D eterm ination o f A n tim on y, T in ,
and B ism u th ............................................................................................................ 8K a m m e r m e y e r , K a r l , and B in d e r , J. L . P article Size D eterm ina
tion b y Sedim entation ........................................................................................ 335K a m p f , L e o . Volum etric D eterm ination o f Iron and A lum inuni in
C em ent w ith 8-IIyd roxyq u in o lin e ........................................................... 72K a n e , H . J., P o m e r a n tz , C h a r l e s , a nd H e c iitm a n , M o r r is . M icro
determ ination o f Cleanliness o f Feather and D ow n B eddingM ateria ls ...................................................................................................... 362
K a p u r , P . L .t and V e r m a , M . R . D eterm ination o f Iodate Ion inPresence o f C upric I o n .................................................... 338
K a v a n a o h , Fr e d e r ic k . N ew P h otoelectric F luorim eter and Som eA p plica tion s ............................................................................................................. 108
K em m erer , A . R . See Fraps, G . S.K e r l i n q e r , H e r b e r t . See Lingane, J. J.K e w is h , R . W . Im proved T h ixotrom eter................................................ 195K in o , C . G . C hem ical M ethods for D eterm ination o f V itam in C . . . . 225K in n e y , P . W . M easurem ent o f F low Properties w ith G ardner
M ob ilom eter............................................................................................................ 178K ipp, E . M . See Sim ons, J. H.K i r k , M . M . Polarographic D eterm ination o f A scorb ic A c id ......... 625K i r k , P . L ., a n d T o m pk in s , P . C . M icro - and D rop -S ca le T itra tion o f
O xalate....................................................................................................................... 277See also B rad ford , L. H ., and In ou ye, K aoru.
K la a s , H e le n . See M acM asters, M . M .K lu c h e s k y , E . F . See K ozelka, F. L.K n o t t , D . M . See M orton , A . A.K n o w l e s , E . C ., a n d L e v in , H a r r y . D eterm ination o f W ax in A s
phaltic P rodu cts. P ropane-H exonc M e th o d ......................................... 314K o b e , K . A ., and M acD o n a ld , R . A . P latin ized Silica G el as
C ata lyst in G as A n alysis ............................................................................. 457K o c h , E . F . See Fenske, M . R .K o l b , J. J., a nd T o e n n ie s , G e r r it . D eterm ination o f M ethion ine
in C ertain M ixtures. Precision M eth od (C orrection s )............39 ,1 5 9K o z e l k a , F . L., an d H in e , C . H . M eth od for D eterm ination o f
E th y l A lcoh ol for M edicolegal P u rp oses........................................... 905a n d K l u c h e sk y , E . F . M icrodcterm ination o f Lead in B iological
M aterial. M ixed C olor D ith izone M e th o d ....................................... 492P h otoelectric C olorim etric T echn iqu e for D ith izone S y stem ........... 484
K r a y b i l l , H . R . See M itchell, J. H ., Jr.K r e id e r , L . C . Sim ple T ests to Indicate C on d ition o f A n aly tica l
B a la n ce ......................... ; ............................................................................................ 117K r y n it s k y , J . A . See Singer, Louis.K u c k , J. A . See R oy er, G . L.K u r tz , S. S ., J r . See L ipkin , M . R .K u y p e r , A . C ., and Jo n e s , L . M . R apid Procedure for D eterm ina
tion o f C a rb on ate ........................................................................................... 801
L a i t i n e n , H. A. Simple Sintered-Glass Salt Bridge............................ 393a n d T a e b e l , W. A. Europium and Ytterbium in Rare Earth M ix
tures. Polarographic Determination.................................................. 825L a m a r , W . L., a n d S e e g m i l l e r , C. G. Determination of Small
Quantities of Fluoride in Water. Modified Zirconium-AlizarinM ethod.......................................................................... 901
L a m b , F. W . Determination of Blood Magnesium. QuantitativeSpectrochemical M ethod............................................................................. 185
L a m b , G. G., L o a n e , C. M ., a n d G a y n o r , J. W . Indiana StirringOxidation Test for Lubricating Oils..................... 317
L a m b e r t , R. H., a n d W a l k e r , R. D. Modified Electrometric Microdetermination of Metallic Silver by Dead-Stop End-PointProcedure............................................................................... _....................... 846
L a n g e r , A l o i s . Constant Mercury Level for Dropping MercuryElectrode......................................................................................................... 794
L a n h a m , W . B., J r . See Baldwin, W . H.L a n n , G. H. See Wiegand, C. J. W.L a r g e n t , E. J. Aliquant Samples in Determination of Fluorides in
Mixed Foods........................................... 93L a w s o n , N. D. See Fenske, M . R .L e d in g i ia m , A. E. See Marion, L^o.L e e , F. A. Determining Maturity of Frozen Peas. Rapid Objective
M ethod........................... _............................................................................... 38L e r n e r , A a r o n . See ITeisig, G. B.L e t o n o f f , T. V. Colorimetric Determination of Lead by Diphenyl-
carbazide. ............................................; ................................................. 631L e v i n , H a r r y , a n d S c h l a g e l , C. J. Consistency Test for Lubricating
Greases. Counterbalance Modification for Soft or LiquidGreases.........................................•.•••:.......................... *. 295
See also Knowles. E. C., and Uhrig, Karl.L e v i n e , J o s e p h . See M a t c h e t t , J . R .L e w i s , F. M . Pressure-Regulating Apparatus for Vacuum Systems 418 L i g e t t , W . B ., a n d B i e f e l d , L . P. Separation and Determination
of Lead with Salicylaldoxime.................................................................... 813L i l l e v i k , H. A. See Sandstrom, W. M .L i n c o l n , R . M ., C a r n e y , A. S.. a n d W a g n e r , E. C. Procedure
for Semimicrodetermination of Sulfur in Organic C om pounds.. . . 358L in g a n e , J. J „ a n d K e r l i n g e r , H e r b e r t . Polarographic Determina
tion of Nickel and Cobalt. Simultaneous Determination in Presence of Iron, Copper, Chromium, and Manganese, and Determination of Small Amounts of Nickel in Cobalt Compounds.......................................................... 77
L in k , K. P. See Moore, Stanford.L ip k in , M . R . , a n d K u r t z , S. S., J r . Temperature Coefficient of
Density and Refractive Index for Hydrocarbons in Liquid State 291 L ip s iu s , S. T . See Arnold, Aaron.
L l a c e r , A. J., Sozzi, J. A., a n d B e n e d e t t i - P i c h l e r , A. A. Modification of Pregl’s Apparatus for Electrodeposition. Microdeter-mination of Copper and Nickel in German Silver................. 507
L o a n e , C. M . See Lamb, G. G.L o w e , C. S. See White. C. E.L u c a s s e , W . W . See Meldrum, W. B.L u c k m a n n , F. H . See Neal, R . H.L u k e , C. L. See W ooten, L. A.L u k e , W . W . See Crowell, W. R.L u t t r o p p , E. S. See Haden, W . L., Jr.L y k k e n , L o u ib , a n d R o l f s o n , F. B. Potentiometrie Titration Stand
Assembly......................................................................................................... 653 dSee also Penther, C. J. V'v
L y o n , V. H. New Missouri Highway Laboratory Building................ 851 \L t t h g o e , H . C. See Schroeder, C. W.
MM c A r d l e . E. H ., a n d B a l d e s c h w i e l e r , E. L. Quality Teats for
Petroleum Solvent Naphthas.................................................................M c C l e n d o n , J. F., a n d F o s t e r , W . C. Microdetermination of Die
tary Fluorine..................................................................................................M a c D o n a l d , R. A. See Kobe, K. A.M c E l r o y , W . R . See Elving, P. J.M c G l e n n , R . C. See White, C. B.M a c M a s t e r s , M . M ., W o o d r u f f , S y b i l , a n d K l a a s , H e l e n .
Studies on Soybean Carbohydrates.......................................................M c M i l l e n , J. H ., S t u t z m a n , L. F., a n d H e d r i c k , J. E. Pendulum
Method for Measuring Settling Velocities..........................................M c N a b b , W . M . See Sloviter, II. A.M a h o n e y , J. F. See M orton, A. A.M a j o r s , K. R ., a n d H o p p e r , T. H. Shaping Lathe for Graphite
Electrodes Used in Spectrochemical Analysis.....................................M a l l a t t , R. C. See Genung, L. B.M a r i o n , Lfeo, a n d L e d in g h a m , A. E. Microanalysis of Gaseous
Hydrocarbons................................................................................................M a b t in , T. G. See Crowell, W . R.M a t c h e t t , J. R ., a n d L e v i n e , J o s e p h . Determination of Acetyl
G roup...............................................................................................................Device for Continuous Liquid-Liquid Extraction. Adaptation for
Determination of M orphine......................................................................M a t t e s o n , R o b e r t , Z e i t f u c h s , E. H., a n d E l d r e d g e , K. R. Deter
mination of Aniline Point of Dark Petroleum Products....................M a u p in , H. R . See Clardy, F. B.M a y , R. L. See Smith, G. F.M e h l i g , J. P. Colorimetric Determination of Copper with Ammonia.
Spectrophotometric Study.........................................................................Stability of Permanganate-Periodate Color System ............................
M e l d r u m , W . B., C a d b u r y , W . E., Jr ., a n d L u c a s s e , W . W . Determination of Sulfate in Presence of Chrom ate.....................................
M e l l o n , M . G. See Moss, M . L „ and Woods, J. T.M e l n i c k , D a n i e l , O s e r , B. L., a n d S i e g e l , L o u is . Chemical Deter
mination of Nicotinic Acid Content of Flour and Bread................M e l v i n , E. H., a n d O ’C o n n o r , R. T . Spectrochemical Analysis of
Trace Elements in Fertilizers. Boron, Manganese, and CopperM e u r o n , H. J. Rapid M ethod for Calibration of Flowmeters...........M e y r o w i t z , R o b e r t . See Hart, David.M i l a b , N. A ., H e g g ie , R o b e r t , a n d R a y n o ld b , J. A. Spectroscopic
Method for Quantitative Estimation of Vitamin D ........................M i l e s , F. T . See Gerber, A. B.M i l l e r , E. J. See Cowling, Hale.M i l l e r , H a r v e y . See Johnson, C. R.M i l l i o a n , W . E. a n d F r a n c e , W. D. Quantitative Determination
301
280
471
475
456
87P
227
of Phosphorus in Phosphor Bronze. Spectrographic Study...........M i t c h e l l , J. H., J r . , a n d K r a y b i l l , H. R. Ultraviolet Absorption
24
Spectra of Linseed Oil. Determination of Bodied-in-Vacuo andBlown Linseed Oil in Mixtures with Raw Linseed O il....................
M o o r e , L. A ., a n d E l y , R a y . Extraction of Carotene from PlantMaterial. Rapid Quantitative M ethod..............................................
M o o r e , S t a n f o r d , D i m l e r , R. J., a n d L in k , K. P. Determinationof Proportion of d- and i-Isomere in Samples of Lactic A cid ...........
M o r e l l , S. A. Rapid Determination of Reducing Sugars. Extensionof Forsee’s Photocolorimetric Ferricyanide M ethod........................
Rapid Photometric Determination of Ascorbic Acid in Plant M aterials ...............................................................................................................
M o r g a l , P. W . See Petering, H. G.M o r t o n , A. A ., a n d K n o t t , D. M. Apparatus for High-Speed
Stirring. Effect of Flask Design and Some Other Factors onStirring............................................................................................................
a n d M a h o n e y , J. F. Analysis of Single Drop of Liquid by M icrofractionation...................................................................................................
Copper Blocks and Optical Svstem for Microdetermination ofBoiling Points (Einich Method) and Melting Points........................
M oss, M . L., w i t h M e l l o n , M . G. Colorimetric Determination ofIron with Kojic A cid .............................................. .̂..................................
M O l l e r , R . H . ' Instrumental Methods of Chemical Analysis...........M u l d e r , J. G- See Robertson, A. C.
612*667
N
DeterminationSpectrophoto-
N a c h t r i e b , N. H. See Pierce, W . C.N e a l , R . H., H a u r a n d , C. H „ a n d L u c k m a n n , F. H.
of Total Vitamin A Content of Dairy Buttersmetric M ethod ................................................................ .. ..........................
N i c h o l s , M . L., a n d W h i t e , B. E. Decomposition Temperatures of Some Analytical Precipitates. Calcium Carbonate and LeadSulfate.................................................................. ...........................................
N i c h o l s , P. M . See Cartledge, G. H.N i c k e r s o n , R. F, Hydrolysis and Catalytic Oxidation of Cellulosio
Materials. M ethod for Continuous Estimation of Free Glucose N i c k o l l b , C. L. See Arthur, Paul.N o v o t n y , C. K., a n d J o r d a n , W . F. Machine and M ethods for
Testing Mechanical Stability of Latex...................................................
150
i
251
423 j
189 I
O ’ C o n n o r , R . T . Spectrochemical Analysis of Trace Elements inFertilizers. Z inc..........................................................................................
See also Melvin, E. H.O e r t e l , A. C. See Piper, C. S.
597
928 I N D U S T R I A L A N D E N G I N E E R I N G C H E M I S T R Y Vol. 13, No. 12
O ld e r s h a w , C. F. Perforated Plate Columns for Analytical BatchDistillations ............. . ....................................................................... 265
O s e r , B . L. See Melnick, Daniel, and Parker, A. E.O t t o , C. E. See Otto, E. B.O t t o , E. B ., a n d O t t o , C . E . Titan Yellow Microqualitative Test
for Magnesium............................................................................................... 65
P a d o it t , F r a n k . A d ju stable M ercu ry -F illed M etal Th erm oregu lator 60 P a lk in , S. See Joshel, L. M . #P a l m e r , H . F ., a n d C r o ss l e y , R . H . T est Form ulas for R ecla im ed
R u b b e r ........................................................................................ >................... 154a n d J o n e s , W . E . R a p id D eterm ination o f Specifio G ra v ity of
P lastic M ateria ls .................................................................................................... 864P a r k e r . A . E ., a nd O s e r , B . L . P h otoelectric P h otom eter for
V itam in A E stim ation ..................................... 260P a tb e r o , J. B . See G ore, R . C .P a t t o n , E . L., a nd F e a o a n , R . A ., J r . M eth od o f Installing T u b e
W all T h erm ocou p les............................................................................................. 823P e a c o c k , G a il . See E m m ett, A . D .P e e c h , M ic h a e l . D eterm ination o f E xch angeable Bases in Soils.
R a p id M icrom eth od s ........................................................................................... 436P e n n in g to n , L lo y d . See C hristensen, B . E .P e n t h e r , C . J., R o lf so n , F . B ., a n d L y k k e n , L o u is . C on tinuou s-
R ead in g E lectron ic V oltm eter for U se w ith Glass and O therH igh -R esistance E lectrode S ystem s ............................................ 831
P e r c iv a l , J. O. R a p id M eth od for D eterm inin g F erric and FerrousI r o n .............................................................................................................................. 71
P e t e r in g , H . G ., B e n n e , E . J., a n d M o r o a l , P . W . S im plification o f Petering-W olm an-H ibbard M eth od for D eterm ination o fC h loroph y ll and C a roten e............................................... ; ...........t.................. 230
P e t e r s , C . A ., a n d F r e n c h , C . L . S tu d y o f F erric T h iocyan a teR ea ction ..................................................................................................................... 604
P e t e r s o n , F. C . See Freem an, R . D .P e t e r s o n , W . J. R ecen t D evelopm en ts in M eth ods for D eterm ining
C a roten e ..................................................................................................................... 212P h il l ip s , G . E . See H atfield, W . D .P h il l ip s , J. K . See Balch, R . T .P ie r c e , W . C ., a n d N a c h t r ie b , N . H . P h otom etry in Spectro-
chem ical A n alysis .................................................................................;............. 774P ip e r , C . S., a nd O e r t e l , A . C . Silica and P yrex Glass Stills w ith
A u tom atic C onstant-P ressure F eed s............................................................ 191P l a c a k , O. R ., a nd R u ch h o ft , C . C . D eterm ination o f B iochem ica l
O xygen D em and. C om parative S tu dy o f A zide and R ideal-Stew art M odification s of W inkler M e th o d ................................... 12
P o d b ie l n ia k , W . J. A pparatus and M ethods for P recise Fractional- D istillation A nalysis. N ew D esign o f A d iab atic F ractionatin g C olum n and Precision-Spaced W ire Pack ing for T em peratureR a n ge - 1 9 0 ° to 300° C ..................................................................................... 039
"Iom era n tz , C h a r le s . See K ane, H . J. #i vMEHOY, R ic h a r d , a n d W ak em an , C . M. D eterm ination o f G rease
in Sewage, Sludge, and Industrial W astes............................................... 795P o t h , E . J., a n d E l l io tt , G . A . D isposal o f A cid Fum es in W et
A ssa y in g ..................................................................................................................... 910P o t t in g e r , R . E . See Schim pff, G . W .P r is t e r a , F r a n k . See K allm ann, Silve.P u c h e r , G . W ., a n d V ic k e r y , H . B . D eterm ination o f Succin ic ,
A c id in P lant T issues ........................................................................................... 412W a k e m a n , A . J., a nd V ic k e r y , H . B . O rganio A cid s in P lant
Tissues. M od ification s o f A n aly tica l M e th o d s .................................... 244P b r v e s , C . B . See Sm ith, M . A .
Q u e n b e , J . A „ a n d D e h n , W . M . Time-Saving Adaptation forPhotomicrography........................................................................................ 68
R a c i c o t , P. A. See Schroeder, C. W .R a y n o l d s , J. A. See Milas, N. A.R e e d , G. N. New Science Building at Kansas State College.................. 205R e e d , J. F., a n d C u m m in g s , R. W . Microdetermination of Copper
in Plant Materials Using Dropping Mercury E lectrode................. 124R e i d , L. C. See Yoe, J . H.R e v u k a s , A. J . See Evans, R . N .R e x f o r d , D. R, Distillation of Foaming Solutions under V acuum .. . 95R i o t t , J. P. Determining Metallio Iron in Iron Oxides and S lags.. . . 546R o b e r t s o n , A. C., M u l d e r , J. G., a n d V a n S a u n , F. G. Measuring
Smokes and Rating Efficiencies of Industrial Air Filters 331R o b i n s o n , R. J. Perchloric Acid Oxidation of Organio Phosphorus in
Lake Waters.................................................................... 465R o l f , F. W. See Waldbauer, Louis.R o l f s o n , F. B. See Lykken, Louis, and Penther, C. J.R o p e r , E. E. Precision Cryoatat for Range —35° to + 2 5 ° C . Im
proved Electrical Circuit and New Expansion Valve....................... 257R o t h c h i l d , H a r o l d . See Gray, P. P.R o y e r , G. L., A l b e r , H. K., H a l l e t t , L. T ., S p ik e s , W . F., a n d
K u c k , J. A. Report on Recommended Specifications for M icrochemical Apparatus. Carbon-Hydrogen and Dumas N itrogen .. 574
R u c h h o f t , C. C. See Cohen, Stuart, and Placak, O. R.R u d t , C. E., J r . See Fugassi, Paul.R u go , F. M . See Clark, G. L.R u h , E. L., W a l k e r , R. W „ a n d D e a n , E. W . S. I. L. V iscom eter.. 346R u m o l d , C. F. M cGilvrey Hall at Kent State U niversity....................... 134R u b k , R. A. See Fenske, M . R.R y l a n d , L. B. See Tamele, M . W .
S a n d e l l , E. B. Microdetection of Gallium by Fluorescence Reactionwith 8-Hydroxyquinoline...................................................................... 844
S a n d b t r o m , W . M ., a n d L i l l e v i k , H. A. Preparation of Solutionof o-Phthalaldehyde for Use as Glycine Reagent............................. 781
See also Broome, F. K.S a sb a m a n , H. L . See Coy, N. H.S a t o , Y o s h i o . See Christensen, B. E.
Sa v e l l i, J. J., Seyfrif .d , W . D ., a n d F il b e r t , B . M . M eth od s ofLight H yd rocarbon A n a ly sis ............................................................................ 868
Sc h e c h t e r , M . S., a n d H a l l e r , H . L . Im p roved A u tom atic C on tinuous P erco la tor ................................................................................................. 481
Sc h im pf f , G . W ., a n d P o t t in g e r , R . E . R ecov ery o f M ercu rioIod ide and Iod ine from N esslerized S o lu tion s......................................... 337
Sc h in d l e r , H a n s , A y e r s , G . W ., a n d H e n d er bo n , L. M . D eterm ination of M ercaptan Sulfur C on ten t o f G asolines and N aphthas.E ffect o f M ercu ric Sulfide and E lem entary S u lfu r................................ 326
See also Agruss, M . S.Sc h l a g e l , C . J. See Levin, H arry .Sc h n e id e r , M il t o n . See Zahnd. H ugo.S chrf.f f l e r , C . B . See A rnold , A aron .S c h ro e d e r , C . W ., a n d L yt h g o e , H . C . D eterm ination o f Lead
C on ten t o f C om m ercia l Ciders and Vinegars by SpectrographioM e th o d s ..................................................................................................................... 829
and R a cico t , P . A . D etection o f Sodium A lginate in D a iry P rod u c ts ............................................................................................................................... 165
Se e g m il l e r , C . G . See Lam ar, W . L.S e if e r l e , E . J. See Johns, I. B.S e ik e l , M . K . E thylene G lycol D eterm ination in and R em ova l
from C om m ercia l A lky l E thers o f D iethylene G ly c o l ........................... 388Serfabb , E . J. Sim ple V acuum T u b e R e la y ................................................... 262
V acuum T u b e T im e-D ela y R e la y ...................................................................... 352Se y f r ie d , W . D . See Savelli, J. J.Sh a r p , P . F ., H a n d , D . B ., a nd G u t h r ie , E . S. Q uantita tive D eter
m ination o f D issolved O xygen. A scorb ic A cid Oxidase M eth od 593 Sh in n , M . B . C olorim etric M eth od for D eterm ination o f N it r ite . . . . 33Sh r ik h a n d e , J. G . D eterm ination o f A m m oniacal and N itrato
N itrogen in D ecom posed Plant M ateria l................................................... 187S ie g e l , Lo u is . See M eln ick , D aniel.S ie v e r s , D . C . See Brant, J. H .S il l , C . W . See T itu s, A . C .S il v e r m a n , L e s l ie . See H orsw ell, R . G .S il v e r m a n , L o u is . R a p id D eterm ination o f Phosphorus in F erro-
m olybdenum and in C alcium M o ly b d a te ................................................ 602R ou tin e D eterm ination o f Phosphorus and Sulfur in C ok e. C ata
ly t ic N itric-P erch loric A cid D igestion M e th o d ....................................... 524S im o n s , H . P . In iproved T a n gen tim eter.......................................................... 563S im o n s , J. H ., a n d K ip p , E . M . D eterm ination o f W ater in B enzene 328 S in g e r , L o u is , St a r k , II. J., an d K r y n it b k y , J. A . C arbon T rain
for C on trol A n a ly s is . ....................................................................................... 115Sl o v it e r , H . A . D eterm ining C op per and N ickel in A lum inum
A llo y s .......................................................................................................................... 235M cN a b b , W . M ., a n d W a g n e r , E . C . < D eterm ination o f M ercu ry
in O rganic C om pou nds. Iod om etric P roceduro Based uponM eth od o f R u p p .................................................................................................... 890
Sm it h , F. H . See H alverson , J. O.Sm it h , F . W . See Steinberg, R . H .Sm it h , G . B . L. See C olem an, S. A .Sm it h , G . F . Sm all-Scale C entrifuge A ccessories for Use w ith C or
rosive M ateria ls...................................................................................................... 824a n d D u k e , F . R . C erate O xidim etry. D eterm ination o f G lycerol. 558 a n d M a y , R . L . Use o f B rom ate in V olum etric A nalysis. D eter
m ination o f A rsenic and A n tim on y Using Internal Indicators atO rdinary T em peratures...................................................................................... 460
a nd T a y l o r , W . H . E lectric H eating M orta r for U se in C arbonand H ydrogen M icrocom bu stion s ............................................... 203
Sm it h , L o t iir o p , a nd W e st , P . W. Interferences O ccurring w ithSelected D rop M icroreaction s......................................................................... 271
S m it h , M . A ., a n d P u r v e s , C . B . C hem ical C on stituents o f C otton seed H ulls. Partial Separation b y N onchem ica l M e th o d s 157
Sm it h , W . C . H ydrom eter for T u rp entine In d icatin g P ou nds perG a llon ......................................................................................................................... 112
S ozz i, J . A . See Llacer, A . J.Sp ik e s , W . F . See R oy er, G . L. _Sp r o u l l , R. C ., a nd G e t t l e r , A. O. A p plication o f P h otoelectric
C olorim eter. D eterm ination o f B ism uth in B io log ica l M ateria ls .................. 462
Sp r u n g , M . M . B rom ination o f Phenols b y M eans o f B rom ideB rom ate Solution (C orrespondence, 3 5 7 ) ........................ . ............. 35
St a h l , G . W . R a pid Prelim inary D eterm ination o f M elting P o in t s . . 545Sta m m , A . J., and W o o d r u ff , S. A. C on ven ient S ix -T u be V apor
Sorption A p paratu s.............................................................................................. 836See also Burr, H . K ., and W oodru ff, S. A .
St a n l e y . J o se p h . V iscosity o f C h ocolate . D evelopm en t o f StandardM e th o d ....................................................................................................................... 398
St a n s b y , M . E . D eterm ination o f P eroxide V alues for R a n cid ity inFish O ils ..................................................................................................................... 627
St a r k , H . J. See Singer, Louis.St a r r , C . E., Jr . See Jones, W . H .St e in b e r g , R . H .f a n d S m ith , F . W . O xidation o f G raphite in
Analysis o f Ferrous M eta ls ............................................................................... 392St e v e n s o n , C . E. See Fenske, M . R .St o n e , I r w in . D eterm ination o f T races o f T in in M a lt B e v e ra g e s .. 791St r a u b , G . J. See C onner, R . T.St r o n g , F . M ., F e e n e y , R . E., a nd E a r l e , A n n . M icrob io log ica l
Assay for Pantoth en ic A cid .............................................................................. 566St u t zm a n , L . F . See M cM illen , J. H .S u e n , T zen g -J iu e q . N ew L a boratory F ractionating C olum n H ead 519 S u n d e r l in , R u ssell . See In ou ye, K aoru .Sz y m a n o w it z , R a y m o n d . Sim ple C ondenser for Use during D igestion
O perations................................................................ 455
T a e b e l , W . A. See Laitinen, H . A.T a m e l e , M . W ., R y l a n d , L. B ., a n d I r v i n e , V . C. Potentiometrio
Determination of Mcrcaptans in Aqueous Alkaline Solutions.. . . 618T a n n e r , L o u is . See Wollner, H. J.T a r a s , M i c h a e l . See Cutter, H. B.T a y l o r , W . H. See Smith, G. F.T h e l i n , J. H. Continuous Water R e m o v e r .. . . . ........................................ 405
Tw o Improved Pressure-Regulation D e v i c e s . . . . . ....................#......... 908T h o m p s o n , T . L. Rapid and Accurate Determination of C adm ium .. 164T h o r n d i k e , E . M. Microphotometer for Spectrochemical A nalysis.. 60T h o r n t o n , C. D . W. See Ballard, A. E.T i t u s , A. C ., a n d S i l l , C. W . Use of Silicomolybdic Acid Indi
cator before Volumetric Oxidation of Iron ............................................ 416T o e n n i e s , G e r r i t . See Callan, T . P., and Kolb, J. J.T o m l i n s o n , H._ M ., a n d C i a p e t t a , F. G. Anhydrous Sodium Thio-
sulfate, Primarsr Standard........................................................................... 539
December 15, 1941 A N A L Y T I C A L E D I T I O N 929
T o m p k in s , P. C. See Kirk, P . L.T o c r n a y , W . E. Sec Coles, H. W .T o w n e , R . S ., Y o u n g , E . E ., a n d E b y , L . T . Sim plified W ater-
Jacketed Fraction R ece iv er ............................................................................. C26
uU i i r ig , K a r l , a n d L e v i n , I I a r r y . Determination of Bromine
Addition Number. (Correction, 194)................................ 90
VV a h l t e i c h , H. W . Laboratories of Best Foods, I n c . . . . ...................... 284V a n c e , J. E. Pressure Regulator for Microdetermination of Carbon
and Hydrogen................................................................................................... 132Silver Chloride Electrode in Acid-Base Titrations................................. 68
V a n d e n b e l t , J. M . See Emmett, A. D.V a n Sa u n , F. G. See Robertson, A. C.V a n V a l k e n b u r g h , H. B., a n d C r a w f o r d , T . C. Detection: of
Certain Metals in Minerals and Ores. Ammonium Hypophos-phite Fusion M ethod................................................................ 459
V e r m a , M . R. See Kapur, P. L.V i c k e r y , II. B. See Pucher, G. W .V o l l r a t h , R. E. Device for Starting Swinging of Balance.................. 564V o n M i k u s c h , J. D., a n d F r a z i e r , C h a r l e s . Woburn Iodine A b
sorption Method. Measure of Total Unsaturation in Presence of Conjugated Double Bonds...................................................................... 782
wW a g n e r , E. C. See Lincoln, R . M ., and Sloviter, H. A.W a g n e r , G. H., B a i l e y , G. C., a n d E v e r s o lK j W . G. Measuring
Microscope. Technique for Measuring Vertical Distances Up toSeveral Centimeters with Precision of 0.00005 C m . . . . .................. 658
W a is m a n , H. A., a n d E l v e h je m , C. A . Chemical Estimation ofNicotinic Acid and Vitamin Bs................................................................ 221
W a k e m a n , A. J. See Pucher, G. W .W a k e m a n , C. M . See Pomeroy, Richard.W a l d b a u e r , L o u is , R o l f , F. W ., a n d F r e d i a n i , H. A. Spectro-
graphic Studies of Coprecipitation. Fourth-Period Elements with Barium Sulfate and Copper and Zinc with Lead S ulfate.. . . 888
W a l k e r , R. D . See Lambert, R. H.W a l k e r , R. W . See Ruh, E. L.W a l t e r s , E. L. See Yabroff, D . L.W a r r e n , W . B. See Frediani, H. A.W a t e r s , G. W . See Zuidcma, H. H.W e b b , B. D . See Andrews, J. C.W e s t , P. W. See Smith, Lothrop.W h i t e , B. E. See Nichols, M . L.W h i t e , C. B., and M c G l e n n , R. C. Removal of Stopcock Grease
from Buret T ips............................................................................................ 61
W h i t e , C. E. Fluorescent Test for Aluminum (Correction) ........... 810a n d L o w e , C. S. Fluorescent Tests for Beryllium and T horiu m .. . 809
W h i t e , E. P. Bromo Complexes for Microidentification of Metals andAlkaloids......................................................................................................... 509
W i c k e r s , E d w a r d , F in n , A. N., a n d C l a b a u g h , W . S. ComparativeTests of Chemical Glassware................................................................. ' 419
W i e g a n d , C. J. W ., L a n n , G. H., a n d K a l i c h , F. V. Iodobis- muthitc Microdetermination of Bismuth in Biological Samples.Application of Neutral W edge Photom eter.......................................... 912
W iio , E. O. See Flagg, J. F.W i l h e l m , R. H. Simply Constructed Color Comparator...................... 123W i l k i e , J. B. Physical and Chemical Determination of Vitamin A 209W i l l a r d , H. H., a n d B o y l e , A. J. Determination and Separation of
Potassium as Periodate................................ 137a n d C e n t e r , E. J. Colorimetric Determination of Phosphorus in
Iron Ore............................................................................................. 81W i l s o n , N. B. See Fuchs, G. H., von.W o l l n e r , H. J., a n d T a n n e r , L o u is . Sampling of Imported W ool
for Determination of Clean W ool Content............................ 883W o n g , R o b e r t . See Christensen, B. E.W o o d b u r n , II. M . Inexpensive Laboratory Circulating P u m p .. . . 356W o o d r u f f , S. A., a n d S ta m m , A. J. Magnetic Stirrer for Evacuated
Sorption Apparatus ........................................................................ 565See also Stamm, A. J.
W o o d r u f f , Sy b il . See MacMasters, M . M.W o o d s , J. T ., w it h M e l l o n , M . G. Molybdenum Blue Reaction.
Spcctrophotometric Study............................... — 760Thiocyanate Method for Iron. Spectrophotoraetric S tudy............... 551
W o o t e n , L. A., a n d L u k e , C. L. Determination of Antimony inLead-Antimony A lloys................................................. 771
W r i g h t . N o r m a n . Application of Infrared Spectroscopy to Industrial Research............................ 1
YY a b r o f f , D . L., a n d W a l t e r s , E. L. Calibration of Existing Gum-
Stability Test Bombs in Terms of New A. S. T . M . B om b 353Y e e , J. Y . Adjustable Vapor Thermoregulator •.••••................... 839Y i p , J. S. Extraction and Determination of Pyrethrin I in Ground
Pyrethrum Flowers. Improved Apparatus.......................................... 107Y o e , J. H., a n d R e i d , L. C. Determination of Formaldehyde with
5,5-Dimcthylcyclohexanedione-l,3.......................................................... 238Y o u n g , E. E. See Towne, R . S.
zZ a h n d , H u g o , A l f i n , R o b l y n , a n d S c h n e i d e r , M i l t o n . Labile
Sulfur. Use of Thallous Nitrate............................................................. 44Z e i t f u c h s , E. H. See Matteson, Robert. ■Z u id e m a , H . H., a n d W a t e r s , G. W . Ring Method for Determina
tion of Interfacial Tension.............................................................. 312
