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BS ISO 23920:2020

BS ISO 23920:2020

$102.76

Cigarettes. Determination of ammonia in cigarette mainstream smoke with an intense smoking regime using ion chromatography

Published By Publication Date Number of Pages
BSI 2020 20
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This document specifies a method for the quantification of ammonia by ion chromatography in mainstream smoke using ISO 20778 smoking parameters.

This method is applicable to an ammonia yield of about 10 µg/cigarette to 40 µg/cigarette. It is not applicable for the determination of ammonia in dark-air cured cigarettes.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
10 5 Apparatus
6 Reagents
11 7 Preparation
7.1 General
7.2 Preparation of solutions
7.2.1 Sulphuric acid, 0,01 M — Impinger solution (trapping system 1)
7.2.2 Sulphuric acid, 0,1 M — Solution C (Ion Chromatography Eluent)
7.2.3 MSA 0,003 M — Solution A (Ion chromatography eluent)
7.2.4 Sulphuric acid, 0,01 M — Ammonium standards preparation
7.2.5 Hydrochloric acid, 0,05 M — Solution for GFP impregnation (trapping system 2)
7.2.6 Hydrochloric acid, 0,01 M — Extraction solution (trapping system 2)
7.3 Preparation of standards
7.3.1 Primary ammonium stock solution
12 7.3.2 Calibration standards
8 Sampling
9 Tobacco product preparation
10 Sample generation — Smoking of cigarettes
10.1 General
10.2 Smoking machine setup
10.2.1 General
10.2.2 Trapping system 1 — GFP and impinger traps
13 10.2.3 Trapping system 2 — Impregnated GFP
14 10.3 Smoking
11 Sample analysis
11.1 Preparation of sample
11.1.1 Extraction of GFP – Trapping system 1
11.1.2 Extraction of GFP – Trapping system 2
11.2 Determination
11.2.1 Ion chromatography operating conditions
15 11.2.2 Calibration
16 11.2.3 Calculation
12 Repeatability and reproducibility
12.1 General
17 12.2 Results of the 2015 collaborative study
13 Report
18 Annex A (informative) Examples of chromatograms
19 Bibliography

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BS ISO 23920:2020
$102.76