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ISO 23920:2020

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

Publication date:   Jun 30, 2020

General information

90.60   Close of review   Sep 3, 2025

ISO

ISO/TC 126 Tobacco and tobacco products

International Standard

65.160   Tobacco, tobacco products and related equipment

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Scope

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.

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PUBLISHED
ISO 23920:2020
90.60 Close of review
Sep 3, 2025