Laboratory size boll mills

Prove it out first in your lob (or ours),

then confidently scole up for production

Paul O. Abbe, Inc. offers you ο wide selection of laboratory size grinding mills — from 1/2 pint jars thru pilot size mills.

Should you require larger mills for pro­duction, Paul O. Abbe, Inc. can provide these, in standard sizes up to 0300 gallons.

For your further convenience, our lab facilities are available for testing at a nominal fee.

Send now for fact-filled catalog! Paul O. Abbe', Inc., 249 Center Ave.,

Little Falls, New Jersey 07424. (201) 256-4242.

PAUL O. ABBÉ INC.

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The new'62 A\ta Catalog. With over 11,000 listings, including*7,000 organics, our 1982 catalog is bigger and better than ever. Now you can fill all your needs in one convenient ordering step: chemicals, precious metals and high purity elements. Send today for your free, personal copy.

J77ic&^X>£/ventron Division Alfa Products 152 Andover Street Danvers, MA 01923 (617) 777-1970, (415) 836-1777 Telex: 94-0378 ALFA DARS CIRCLE 3 ON READER SFRVIP.F P.ARn

Amazing Ways Microencapsulation

Solves Industr ia l Problems

1. Desensitizes 2. Inhibits 3. Isolates 4. Masks 5. Physically

Alters

6. Protects 7. Retains 8. Restrains 9. Segregates

ΙΟ. Stabilizes

Got a special industrial material problem? Djinnii's microencapsula­tion skills may be able to help.

Send for our brochure and your F R E E Microencapsulated Liquid Crystal Temperature Monitor

Ο djinnii industries

incorporated 153 East Helena Street

Dayton, Ohio 45404 Phone: (513) 223-3607

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|Chloroxylenol Ottasept® chloroxylenol is a non­toxic crystalline solid that has wide applications for industrial and consumer products. • Ottasept is safe. • Ottasept is registered with the EPA. • Ottasept is on file with the FDA. • It's presently used as an antimi­

crobial, a preservative, and a chemical intermediate in many product applications.

Find out how Ottasept chloroxy­lenol can help your product formulation.

OTTAWA CHEMICAL DIVISION Ferro Corporation 700 North Wheeling Street Toledo, Ohio 43605 U.S.A. (419)691-3507

®

ISCO's high pressure syringe pump produces no detectable flow noise no matter how slow the pump rate. Its precision, pulseless flow is ideal for high pressure reactor feed; HPLC with electrochemical or other flow-sensitive detectors; and micro­column or capillary LC.

The Model 314 gives you unex­celled slow-flow precision at rates from 8 μ Ι /hr to 200 ml/hr and operating pressures to 200 kg/cm (2850 psi). An optional Nitronic 50 cylinder is available for highly corrosive solutions.

It's the only pump of its kind. Send now for an I SCO catalog to learn all about it. Or if you're in a hurry phone toll free [800] 228-4250. I SCO Box 5347, Lincoln, NE 68505. CIRCLE 39 ON READER SERVICE CARD

A.S.M.E. PRESSURE

REACTORS AUTOCLAVES

COLUMNS-TOWERS

Custom fabricators of stainless and aluminum alloys

and exotic metals. Send or call for additional capabilities information.

LIPTON STEEL & METAL PRODUCTS, INC.

452 South Street P.O. Box 1159

Pittsfield, MA 01202 Telephone: (413) 499-1661

Telex: 95-5317

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IKih I he quiet pump

F E R R O

VESSELS

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