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BS ISO 21045:2018

BS ISO 21045:2018

$102.76

Tobacco and tobacco products. Determination of ammonia. Method using ion chromatographic analysis

Published By Publication Date Number of Pages
BSI 2018 20
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This document specifies a method for the determination of ammonia in tobacco and tobacco products using ion chromatographic analysis.

It is applicable to tobacco, processed tobaccos, smokeless tobacco products and cigarette filler. The ammonia calibration range specified in the method is from 0,100 μg/ml to 10,0 μg/ml. This range correlates to 10 µg/g to 1 000 µg/g ammonia in tobacco. Samples with higher levels of ammonia can be diluted prior to analysis to bring the samples within the calibration range.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
10 5 Apparatus
5.5 Laboratory shaker.
6 Reagents
11 7 Preparation
7.1 Preparation of labware
7.2 Preparation of solutions
7.2.2 Eluent A: 10 mM methanesulfonic acid (MSA).
7.2.3 Eluent B: 40 mM methanesulfonic acid (MSA).
7.3 Preparation of standards
12 7.3.3 Working standards
8 Sampling procedure
8.1 Sample handling
8.2 Preparation of the sample
13 8.3 Sample analysis
8.3.1 Example ion chromatography parameters
8.3.2 Calibration of the ion chromatograph
14 8.3.3 Determination of the ammonia content of samples
9 Repeatability and reproducibility
15 10 Test report
16 Annex A (informative) Example chromatograms
19 Bibliography

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BS ISO 21045:2018
$102.76