BS ISO 23920:2020

This standard BS ISO 23920:2020 Cigarettes. Determination of ammonia in cigarette mainstream smoke with an intense smoking regime using ion chromatography is classified in these ICS categories:

• 65.160 Tobacco, tobacco products and related equipment

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.