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BS ISO 22980:2020

BS ISO 22980:2020

$102.76

Tobacco. Determination of the content of total alkaloids as nicotine. Continuous-flow analysis method using KSCN/DCIC

Published By Publication Date Number of Pages
BSI 2020 18
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This document specifies a method for the determination of the content of total alkaloids as nicotine in tobacco by continuous-flow analysis. This method is applicable to leaf samples, stems, reconstituted tobacco sheet materials and tobacco blends.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
10 6 Preparation of solutions
6.1 General
11 6.2 System wash solution
6.3 5 % acetic acid solution
6.4 Sampler wash solution
6.5 Potassium thiocyanate solution
6.6 Sodium dichloroisocyanurate (DCIC) solution
6.7 Neutralisation solution A
6.8 Neutralisation solution B
6.9 Buffer solution A
6.10 Buffer solution B
7 Preparation of standards
7.1 General
12 7.2 Nicotine stock solution
7.3 Working standards
8 Apparatus
9 Procedure
9.1 Preparation of samples for analysis
9.2 Test portion
9.3 Preparation of test extract
13 10 Calculation
11 Repeatability and reproducibility
14 12 Test report
15 Annex A (informative) Suitable flow diagrams
16 Bibliography

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BS ISO 22980:2020
$102.76