WHO TobLabNet Official Method
SOP 02
S tandard O perating
p rOcedure fOr V alidatiOn
Of a nalytical M ethOdS
Of t ObaccO p rOduct c OntentS and e MiSSiOnS
Tobacco Free Initiative
Tobacco Laboratory Network (TobLabNet)
World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter
Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02
Standard operating procedure for validation of analytical methods 3 WHO TobLabNet
Official Method
SOP 02
Standard operating procedure for
validation of analytical methods of tobacco
product contents and emissions
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
4 World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02 Standard operating procedure for validation of analytical methods
Standard operating procedure for validation of analytical methods of tobacco product contents and emissions, WHO TobLabNet Official Method SOP02
ISBN 978-92-4-151206-0
© World Health Organization 2017
Some rights reserved. This work is available under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 IGO licence (CC BY-NC-SA 3.0 IGO; https://creativecommons.org/licenses/by-nc-sa/3.0/igo).
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Suggested citation. Standard operating procedure for validation of analytical methods of tobacco product contents and emissions, WHO TobLabNet Official Method SOP02. Geneva: World Health Organization; 2017. Licence: CC BY-NC-SA 3.0 IGO.
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The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by WHO in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by WHO to verify the information contained in this publication.
However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall WHO be liable for damages arising from its use.
Printed in Switzerland
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02
Standard operating procedure for validation of analytical methods 5
No.: SOP 02
Date: November 2016
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Validation of analytical methods of tobacco
product contents and emissions
Method: Standard operating procedures for validation of analytical methods of tobacco contents and emissions
Analytes: Not applicable
Matrix: Tobacco cigarette mainstream smoke and tobacco filler contents
Last update: November 2016
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
6 World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02 Standard operating procedure for validation of analytical methods No machine smoking regimen can represent all human smoking
behaviour: machine smoking testing is useful for characterizing cigarette emissions for design and regulatory purposes, but communication of machine measurements to smokers can result in misunderstanding about differences between brands in exposure and
risk. Data on smoke emissions from machine measurements may be used as inputs for product hazard assessment, but they are not
intended to be nor are they valid as measures of human exposure or risks. Representing differences in machine measurements as
differences in exposure or risk is a misuse of testing with WHO TobLabNet standards.
No.: SOP 02
Date: November 2016
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02
Standard operating procedure for validation of analytical methods 7
FOREWORD
This document was prepared by members of the World Health Organization (WHO) Tobacco Laboratory Network (TobLabNet) as a standard operating procedure (SOP) for the validation of analytical methods of tobacco cigarette mainstream smoke contents and cigarette tobacco filler contents.
INTRODUCTION
In order to establish comparable measurements for testing tobacco products globally, consensus methods are required for measuring specific contents and emissions of cigarettes. The Conference of the Parties (COP) to the WHO Framework Convention on Tobacco Control (WHO FCTC) at its third session in Durban, South Africa, in November 2008, recalling decisions FCTC/COP1(15) and FCTC/COP2(14) on the elaboration of guidelines for implementation of Articles 9 (Regulation of the contents of tobacco products) and 10 (Regulation of tobacco product disclosures) of the WHO FCTC, noting the information contained in the report of the working group to the third session of the Conference of the Parties on the progress of its work … requested the Convention Secretariat to invite WHO’s Tobacco Free Initiative to … validate, within five years, the analytical chemical methods for testing and measuring cigarette contents and emissions (FCTC/COP/3/REC/1).
Using the criteria for prioritization set at its third meeting in Ottawa, Canada, in October 2006, the working group on Articles 9 and 10 identified the following contents for which methods for testing and measurement (analytical chemistry) should be validated as a priority:
• nicotine
• ammonia
• humectants (propane-1,2-diol, glycerol (propane-1,2,3-triol) and triethylene glycol (2,2-ethylenedioxybis(ethanol)).
Measurement of these contents will require validation of three methods: one for nicotine, one for ammonia and one for humectants.
Using the criteria for prioritization set at the meeting in Ottawa mentioned above, the working group identified the following emissions in mainstream smoke for which methods for testing and measurement (analytical chemistry) should be validated as a priority:
• 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)
• N-nitrosonornicotine (NNN)
No.: SOP 02
Date: November 2016
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
8 World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02 Standard operating procedure for validation of analytical methods
• acetaldehyde
• acrylaldehyde (acrolein)
• benzene
• benzo[a]pyrene
• 1,3-butadiene
• carbon monoxide
• formaldehyde
Measurement of these emissions with the two smoking regimens described below will require validation of five methods: one for tobacco-specific nitrosamines (NNK and NNN), one for benzo[a]pyrene, one for aldehydes (acetaldehyde, acrolein and formaldehyde), one for volatile organic compounds (benzene, 1,3-butadiene) and one for carbon monoxide).
The table below sets out the two smoking regimens for validation of the test methods referred to above.
Smoking regimen Puff volume
(mL) Puff frequency Filter ventilation holes ISO regimen: ISO 3308;
Routine analytical cigarette smoking machine — definitions and standard conditions
35 Once every
60 s No
modifications
Intense regimen: Same as ISO 3308, but modified as indicated
55 Once every
30 s All ventilation holes must be blocked 100%
as described in WHO TobLabNet SOP 01.
This method SOP was prepared to describe the procedure for the determination of nicotine and carbon monoxide in mainstream cigarette smoke under intense smoking conditions.
1. SCOPE
This document describes the standard procedures for validating analytical methods
used for analysing tobacco cigarette mainstream smoke contents and cigarette
tobacco filler contents.
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02
Standard operating procedure for validation of analytical methods 9
2. REFERENCES
2.1 ISO 5725-2: Accuracy (trueness and precision) or measurement methods and results -- Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
3. TERMS AND DEFINITIONS
3.1 Tobacco products: Products entirely or partly made of leaf tobacco as the raw material that are manufactured to be used for smoking, sucking, chewing or snuffing (Article 1(f) of the WHO FCTC).
3.2 Cigarette tobacco filler: Tobacco-containing part of a cigarette, including reconstituted tobacco, stems, expanded tobacco and additives.
3.3 ISO Regimen: Parameters used to smoke tobacco products which include 35-mL puff volume, 60-second puff interval, 2-second puff duration and no blocking of the filter ventilation holes.
3.4 Laboratory sample: Sample intended for testing in a laboratory, consisting of a single type of product delivered to the laboratory at one time or within a specified period
3.5 Test sample: Product to be tested, taken at random from the laboratory sample.
The number of products taken shall be representative of the laboratory sample.
3.6 Test portion: Random portion from the test sample to be used for a single determination. The number of products taken shall be representative of the test sample.
3.7 Repeatability: All measurements carried out on each individual test sample shall be carried out under repeatability conditions, i.e. within a short interval, using the same instrument and by the same operator. Measurements of different test samples may be carried out on different days, if needed.
3.8 Reproducibility: All measurements are carried out under reproducibility conditions, i.e. allowing for differences between days, operators, laboratories, instruments, reagents and environmental conditions. Measurements are carried out on the same or identical materials using the same methodology.
4. METHOD SUMMARY
4.1 For each individual analytical method to be validated, a leading laboratory will be appointed by WHO’s TobLabNet.
4.2 A Standard Operating Procedure and validation study protocol are written
for each analytical method to be validated and sent to all participating
laboratories.
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
10 World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02 Standard operating procedure for validation of analytical methods
4.3 For the purposes of validation of analytical methods, products are chosen whenever possible to cover the range of design properties to be found worldwide, while using specific product varieties that are intended to be consistent from pack to pack. In general, products to be analysed include three reference cigarettes and two commercially available brand varieties.
The specific commercial brand varieties change with the specific test(s) to be performed.
4.4 Testing of analytical methods for validation purposes consists of an initial evaluation of a single cigarette variety, followed by a full evaluation of four additional varieties. After confirmation of the initial evaluation results, the other samples are sent for analysis. The leading laboratory has the discretion to include, or not to include, an initial evaluation.
4.5 Data analysis and quality control are carried out according to the Standard Operating Procedure to be validated, or the validation study protocol, taking into account procedures as defined at each laboratory.
4.6 Individual sample results are reported to WHO’s Tobacco Free Initiative. After assigning a code to each laboratory and removing all information that can lead to identification of a laboratory, the results are sent to at least two entities.
These entities will evaluate the data for outliers and calculate repeatability and reproducibility independently from each other, according to ISO procedures.
After completing the evaluation of the data, the results from the entities will be compared.
4.7 A report of the validation study will be written and the results will be included in the analytical Standard Operating Procedure.
5. SAFETY AND ENVIRONMENTAL PRECAUTIONS
5.1 Follow routine safety and environmental precautions, as in any chemical laboratory activity, taking into account the specific safety precautions as described in the analytical SOP to be validated.
5.2 The testing and evaluation of certain products with the test method to be validated may require the use of materials or equipment that could be hazardous or harmful to the environment and this document does not purport to address all the safety aspects associated with its use. All persons using this method, or the analytical method to be validated, have a responsibility to consult with the appropriate authorities and to establish health and safety practices, as well as environmental precautions in conjunction with any existing applicable regulatory requirements prior to its use.
5.3 Special care should be taken to avoid inhalation or dermal exposure to harmful
chemicals. Use a chemical fume hood, and wear an appropriate laboratory
coat, gloves and safety goggles when preparing or handling undiluted
materials, standard solutions, extraction solutions or collected samples.
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02
Standard operating procedure for validation of analytical methods 11
6. LEADING LABORATORY
For each analytical method to be validated, WHO’s TobLabNet will appoint a laboratory from its members to act as leading laboratory for that specific validation study.
The leading laboratory will:
– Develop or select the appropriate analytical procedure, write the SOP and validation protocol
– Lead the validation study and track progress
– Provide support to participating laboratories if needed – Generate a validation study report
7. STANDARD OPERATING PROCEDURE
A detailed description of all operations, including reagents, supplies and any equipment needed are documented in the SOP. The SOP also contains any special precautions that are required and a summary of method performance specifications, including repeatability and reproducibility.
The lay-out of the SOP will be based on a standardized template – see Annex 1.
Training in the use of the smoking machine and other analytical equipment is important for successful performance of the analytical SOP. For those not experienced in operating smoking machines or analysis using the analytical method(s) for measuring tobacco product emissions and contents, training is available through the WHO TobLabNet.
8. VALIDATION STUDY PROTOCOL
A study protocol is sent to all participants of the validation study of an analytical method. The study protocol should always contain details of the following:
– Timeline of the validation study
– Number and type of samples to be analysed – Number of replicates per sample
– Instruction on how to report the results, preferably using an Excel template – Detailed schedule of smoke plans (if applicable)
Examples of study protocols are given in Annex 2 (cigarette tobacco filler contents) and Annex 3 (mainstream cigarette smoke contents).
9. SAMPLES 9.1 Description
9.1.1 Cigarettes are sampled randomly from the products available, mixed,
and repackaged before shipping for analysis.
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
12 World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02 Standard operating procedure for validation of analytical methods
9.1.2 For the purposes of method validation only, products are checked for physical anomalies. All products having visual physical anomalies are excluded from despatch to participants.
9.2 Shipment and Receipt
9.2.1 TobLabNet will ship cigarettes of each cigarette variety to each participating laboratory. Sufficient samples will be sent to meet the measurement requirements plus additional spare samples.
9.2.2 Additional samples, beyond those required for the testing, are intended to provide extras in case of problems encountered during the testing.
9.2.3 TobLabNet will inform all participating laboratories that samples have been sent.
9.2.4 Upon receipt, each laboratory will notify TobLabNet by e-mail of the receipt of samples and any problems with or damage to the materials.
9.2.5 If problems were encountered during shipment, TobLabNet will send replacement samples as soon as practicable after notification.
9.2.6 After receipt of samples, each laboratory will complete analysis and report the data within the study protocol specified time limit.
9.2.7 Cigarettes should be carefully handled to avoid causing damage.
9.2.8 Cigarettes that are obviously bent, torn, crushed, or missing significant amounts of tobacco should be discarded.
9.3 Storage
Samples can be stored at room temperature for up to three months. Beyond this period, samples are to be stored in the original packaging or in airtight containers in a freezer at –20 ºC or lower.
10. DATA REPORTING
10.1 Report results as specified in the SOP or study protocol to WHO’s Prevention of Noncommunicable Diseases. For consistency and efficient statistical evaluation of the results, a Microsoft Excel template is recommended for reporting. If Microsoft Excel or compatible spreadsheet software is not available, laboratories can also report data electronically in an ASCII format, or if this is not possible, by hard copy. If available, an Excel file template will be sent to each laboratory by e-mail.
10.2 To maintain confidentiality, a laboratory code will be issued to each laboratory
and all information that can lead to identification of a participating laboratory
will be deleted by WHO’s Tobacco Free Initiative (TFI). The assigned laboratory
code should accompany each data record when results are reported.
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02
Standard operating procedure for validation of analytical methods 13
10.3 Results below the limit of reporting (LOR) should be reported as < LOR. Do not leave data fields blank when results are below the LOR.
10.4 Each data record will contain the information as required in the study protocol, with a minimum of:
10.4.1 Laboratory code 10.4.2 Sample ID 10.4.3 Analyte 1 result 10.4.4 Analyte 2 result 10.4.5 Analyte n result
10.4.6 Specific analytical method 10.4.7 Comments
Do not report data with quality control or quality assurance parameters out of control.
11. DATA ANALYSIS
The coded results are sent to at least two entities by WHO’s TFI for statistical evaluation.
The entities will independently evaluate the data according to ISO procedures.
11.1 Data analysis will follow procedures as described in ISO 5725-2 [2.1].
11.2 Identification of outliers will be performed as described in ISO 5725-2. Results identified as outliers will not be included in the final statistical determination of method repeatability and reproducibility.
11.3 If there is any inconsistency in data, or if data has been identified as an outlier, the laboratory reporting this data will be requested to check for irregularities via WHO’s TFI to maintain confidentiality.
11.4 Repeatability and reproducibility will be calculated independently by the entities according to ISO procedures ISO 5725-1 [13.2] and ISO 5725-2 [13.3]
to give the precision data. After completing the evaluation of the data, the results of the entities will be compared.
11.5 The results of the statistical evaluation will be sent to WHO and the lead laboratory.
12. VALIDATION REPORT
An extended report will be made of the validation study, including:
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specifi c nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specifi c nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specifi c nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 03 Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
ii
WHO Library Cataloguing-in-Publication Data
Standard operating procedure for determination of tobacco-specifi c nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions.
1.Nitrosamine – analysis. 2.Tobacco – chemistry. 3.Smoke – analysis. 4.Consumer product safety. 5.Materials testing – methods.I.World Health Organization.
ISBN 978 92 4 150666 3 (NLM classifi cation:QV 137)
© World Health Organization 2014
All rights reserved. Publications of the World Health Organization are available on the WHO website (www.who.int) or can be purchased from WHO Press, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel.: +41 22 791 3264;
fax: +41 22 791 4857; e-mail: bookorders@who.int).
Requests for permission to reproduce or translate WHO publications –whether for sale or for non-commercial distribution – should be addressed to WHO Press through the WHO website (www.who.int/about/licensing/copyright_form/en/index.html).
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement.
The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.
All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall the World Health Organization be liable for damages arising from its use.
14 World Health Organization Tobacco Laboratory Network SOP 03
Determination of tobacco-specifi c nitrosamines in mainstream tobacco smoke 1
T o b a c c o F r e e I n i t i a t i v e T o b a c c o L a b o r a t o r y N e t w o r k ( T o b L a b N e t )
No.: SOP 03 Date: June 2014
World Health Organization Tobacco Laboratory Network
Standard operating procedure for method Determination of tobacco-specific nitrosamines
in mainstream cigarette smoke under ISO and intense smoking conditions
Method: Determination of tobacco-specific nitrosamines in mainstream cigarette smoke under ISO and intense smoking conditions
Analytes: 3-(1-Nitrosopyrrolidin-2-yl)pyridine(CAS# 16543-55-8) 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone
(CAS# 64091-91-4)
N-Nitrosoanatabine (CAS# 71267-22-6) N-Nitrosoanabasine (CAS# 37620-20-5)
Matrix: Tobacco cigarette mainstream smoke particulate matter Last update: June 2014
World Health Organization Tobacco Laboratory Network SOP 02 Standard operating procedure for validation of analytical methods – Outline of the study
– Overview of participants and equipment used – Description of data analysis methods used – Summary of data analysis;
•
anomalous data
•
missing data
•
mean values and standard deviations
•
consistency data (Mandel’s h and k statistics)
•
outlier tests (Cochran’s and Grubbs’ test)
•
exploratory data analysis
•
