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ISO 23920:2020

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

General information
Valid from 30.06.2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
30.06.2020
Main
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 �g/cigarette to 40 �g/cigarette. It is not applicable for the determination of ammonia in dark-air cured cigarettes.
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