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Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren: Sven Ehlert , Jan Heide, Andreas Walte, Ralf Zimmermann CORESTA 2018 2018_ST12_Ehlert.pdf Congress2018 - Document not peer-reviewed by CORESTA

Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

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Page 1: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

Puff resolved investigation of commercially

available tobacco heating products using

photo ionization mass spectrometry (PIMS)

Autoren: Sven Ehlert, Jan Heide, Andreas Walte, Ralf Zimmermann

CORESTA 2018

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Page 2: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

2CORESTA 2018

Outline

Instrumental Setup

• Introduction: photoionisation - SPI and REMPI

• Puff parameters

Results

• TIC and nicotine release profiles

• Spectral overview

• Detailed release profiles in SPI and REMPI

• Dependency on storage conditions

Summary

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Page 3: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

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Resonance-Enhanced Multiphoton Ionisation

(REMPI)

266 nm or 248 nm

CORESTA 2018

Experimental Setup

Photoionisation ToF MS coupled to

smoking machine

Single Photon Ionisation (SPI)

118 nm (10.5 eV)

most organic compounds aromatic compounds

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General parameters:

Puff duration 3 s

Puff interval 30 s

Puff volume 55 ml

à 10 replicates @ 266 nm REMPI

à 10 replicates @ 248 nm REMPI

à 5 replicates @ 118 nm SPI

THP product II:

First puff after 40 s

7 puffs

CORESTA 2018

Experimental Setup

Puff / smoking machine parameters

THP product I:

First puff after 20 s

12 puffs

PHOTO-TOF-MSCUSTOMIZED GAS ANALYZER

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Every spectrum is calibrated

and normalised by using a

standard gas which contains

Benzene, toluene and xylene

Alternative normalization basis for product comparison:

CORESTA 2018

10 ppm

Experimental Setup

Normalisation and calibration

On smoke amount

(e.g. by norm. on glycerin

signal)

Crucial for reliable qualitative

and semi-quantitative

comparison

On nicotine signal as active

compound of smoking

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Page 6: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

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5 replicates

10 replicates

10 replicates

CORESTA 2018

Results & Discussion

Puff resolved release overview

Total ion current

Prod. I

Prod. II

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Page 7: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

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SPI

Mass Substance

44 Glycerol fragment, acetaldehyde

60 Glycerol fragment

61 Glycerol fragment

62 Glycerol fragment

74 Glycerol fragment

84 Nicotine fragment

162 Nicotine

REMPI 248

Mass Substance

84 Nicotine fragment

96 Dimethylfuran, furfural

162 Nicotine

180 1-Methyl-9H-fluorene, 9H-fluoren-9-one

REMPI 266

Mass Substance

110 Dihydroxybenzene

124 Guaiacol

162 Nicotine

180 1-Methyl-9H-fluorene, 9H-fluoren-9-one

CORESTA 2018

Results & Discussion

Spectral overview

Prod. I

Prod. II

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Index Mass Substance

a 30 Nitric oxide

b 34 Hydrogen sulfide

c 48 Methanethiol

d 56 2-Propenal, butene

e 58 Acetone, propanal

f 67 Pyrrole

g 72 Butanal, butanone,2-Methylpropenal

h 82 Cyclohexene, 2-Cyclopenten-1-one

Methylfuran, Methylcyclopentene

i 86 Pentane, pentanone, 2,3-butadione

Methylbutanal, 3-Methyl-2-butanone

j 94 Phenol, 2-Vinylfuran

k 95 Pyridinol, Ethylpyrrol, Dimethylpyrrol

l 96 Dimethylfuran, Furfural

m 98 Furfuryl alcohol, Methyl-2-pentenal,

Furanmethanol, 1,3-Cyclopentanedione

5-Methyl-2(5H)-furanone

n 103 Benzonitrile

o 108 Cresoles, Dimethylpyridine, Methylphenol

Anisol

p 110 Dihydroxybenzene, 2-Acetylfuran, Methylfurfural

q 116 Indene

r 124 Guaiacol, Dihydroxymethylbenzene

s 126 5-Hydroxymethylfurfural

t 136 Limonene, Methoxybenzaldehyde

2-Ethyl-5-methylphenol

u 144 Naphthalenol, C2-alkylindene, Octanoic Acid

v 145 Ethylindole

w 158 ?

SPI

CORESTA 2018

Results & Discussion

Detailed spectra (SPI)

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Index Mass Substance

A 104 Styrene

B 110 Dihydroxybenzene

C 120 C3-Alkylbenzene, phenylacetaldehyde,

acetophenone

D 126 5-Hydroxymethylfurfural

E 132 C2-Alkylstyrene

F 136 Limonen

G 146 Coumarin, myosmine, C3-alkylstyrene,

C2-alkylindane

H 150 4-Vinylguaiacol, C4-alkylphenol

I 168 ?

J 176 Cotinine

K 178 Anthracene, phenanthrene

L 182 Ethylbiphenyl, dimethylbiphenyl

M 194 Ferulic acid, C2-alkylfluorene

REMPI 248

CORESTA 2018

Results & Discussion

Detailed spectra (248 REMPI)

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Index Mass Substance

aa 84 Nicotine fragment

bb 94 Phenol

cc 96 Dimethylfuran, Furfural

dd 106 Xylenes, ethylbenzene

ee 138 ?

ff 150 4-Vinylguaiacol, C4-alkylphenol

gg 176 Cotinine, ?

REMPI266

CORESTA 2018

Results & Discussion

Detailed spectra (266 REMPI)

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11CORESTA 2018

Results & Discussion

Nicotine release profiles

N

N

CH3

CH+

N

CH3

162 m/z

Nearly no signal

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12CORESTA 2018

Results & Discussion

Difference spectra SPI

P I

P II

P I

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Page 13: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

13CORESTA 2018

Results & Discussion

Difference spectra REMPI

P I

P II

P I

P II

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Quantitative Qualitative

Nicotine profile

CORESTA 2018

Results & Discussion

SPI release profiles

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15CORESTA 2018

Results & Discussion

REMPI release profiles

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Page 16: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

16CORESTA 2018

Results & Discussion

Comparison to further product classesTHP product I

THP product II Research cigarette

E-cigarette*

*cartridge based e-cigarette with non-adjustable power/temperature

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Page 17: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

CORESTA 2018 17

0 1 2 3 4 5 6 7 8 9 10 11 12 13

0,2

0,4

0,6

0,8

1,0

1,2

1,4

0 1 2 3 4 5 6 7 8 9 10 11 12 13

0,2

0,4

0,6

0,8

1,0

1,2

1,4

1,6

inte

grat

ed s

igna

l

IQOS menthol (new opened)

Replicate 1

Replicate 2

Replicate 3

inte

grat

ed s

igna

l

puff

IQOS menthol (24h)

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 150,2

0,4

0,6

0,8

1,0

1,2

IQOS ("old")

inte

grat

ed s

igna

lpuff

Replikat 1

Replikat 2

Product I

HnB/THP

Influence of ‘aging’ on nicotine release

Stability and nicotine release

environmental influenced (humidity…)

[correlation need to be investigated]

Conditioning vs. consumer?

one week in the lab

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CORESTA 2018 18

HnB/THP

Puff resolved nicotine release

Stability and nicotine release

environmental influenced (humidity…)

Conditioning vs. consumer?

Product I

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Page 19: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

CORESTA 2018 19

HnB/THP

Puff resolved nicotine release

Cigarette

hum% 60

hum% 36

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Page 20: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

CORESTA 2018

Summary

Online puff resolved THP product study

Products show high differences in

absolute amounts on gas phase

compounds and nicotine

Main release glycerol and nicotine

Huge variety on less prominent

compounds

Soft Photoionization (SPI/REMPI)

Mass Spectrometry enables a puff by

puff resolved investigation of smoking

products

SMOKE-TOF-MSTOBACCO SMOKE ANALYZER

PHOTO-TOF-MSCUSTOMIZED GAS ANALYZER

TG-PIMSTHERMOGRAVIMETRY- PHOTOIONIZATION MS

PHOTO-TOF-MSEXPOSURE SYSTEM GAS ANALYZER

20

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Page 21: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

CORESTA 2018

Acknowledgement

Thank you for you attention!SMOKE-TOF-MSTOBACCO SMOKE ANALYZER

PHOTO-TOF-MSCUSTOMIZED GAS ANALYZER

TG-PIMSTHERMOGRAVIMETRY- PHOTOIONIZATION MS

Special Thanks to

Prof. Dr. Ralf Zimmermann

and members of the JMSC(Joint Mass Spectrometry Centre)

PHOTO-TOF-MSEXPOSURE SYSTEM GAS ANALYZER

21

Thursday talks

ST 43: Overview of time resolved smoke analysis

ST 45: Chemical cigarette mapping

STPOST49: Photoionization for smoke analysis

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Page 22: Puff resolved investigation of commercially …...Puff resolved investigation of commercially available tobacco heating products using photo ionization mass spectrometry (PIMS) Autoren:

CORESTA 2018 22

Products

Overview of PI MS related products

SMOKE-TOF-MS

TOBACCO SMOKE ANALYZER

PHOTO-TOF-MSCUSTOMIZED GAS ANALYZER

TG-PIMSTHERMOGRAVIMETRY- PHOTOIONIZATION MS

PHOTO-TOF-MSEXPOSURE SYSTEM GAS ANALYZER

A-TOF-MSSINGLE PARTICLE AEROSOL ANALYZER

Photo-oa-TOF-MSCOMPACT CUSTOMIZED GAS ANALYZER

PHOTONEXPOWERFUL EXCIMER LASER IONISATION SOURCE

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