DD ISO/TS 22304:2008
Current
The latest, up-to-date edition.
Tobacco. Determination of tobacco specific nitrosamines. Method using alkaline dichloromethane extraction
Hardcopy , PDF
English
31-03-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Preparation of solutions and standards
7.1 Preparation of sodium hydroxyde solution;
w = 10% (mass fraction)
7.2 Preparation of internal standard
7.3 Preparation of calibration standards
7.4 Setting-up of gas chromatograph and detector
7.5 Tobacco extraction and isolation of TSNAs
7.6 Sample extraction
8 Data analysis and calculation of results
9 Repeatability and reproducibility
10 Test report
Annex A (informative) - Typical chromatograms and
calibration curves
Bibliography
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