What is ISO 23920 about?
ISO 23920 is a standard that covers the ion chromatography test method for cigarette mainstream smoke with an intense smoking regime that enables accurate determination of ammonia in cigarettes and regulate its content.
ISO 23920 specifies a method for the quantification of ammonia by ion chromatography in mainstream smoke using ISO 20778 smoking parameters.
ISO 23920 specifies is applicable to an ammonia yield of about 10 μg/cigarette to 40 μg/cigarette.
Note: ISO 23920 does not apply to -
Determination of ammonia in dark-air cured cigarettes
Who is ISO 23920 for?
ISO 23920 on determination of ammonia in cigarettes is applies to: