Recommended Methods current

No. 56 - Determination of Water in Tobacco and Tobacco Products by Karl Fischer Method

August 2018 - third edition Ref. TTPA-188-1-CRM-56

CRM developed into ISO 6488:2004


The Recommended Method is applicable to raw tobacco as well as tobacco taken from tobacco products and smokeless tobacco products. The method is applicable for water contents ranging at least from a mass percent of 2 % to 55 %.  The method is applicable to tobacco samples that will pass through a 4 mm screen. Repeatability and reproducibility values are included for ground tobacco, cigarette filler, cigar filler and a wide range of smokeless tobacco products. Products not covered by the collaborative studies may require additional validation.


Related documents

CRM 71 - Smokeless Tobacco Products - Sampling (Nov. 2011)

CRM 57 - Determination of Water in Tobacco and Tobacco Products by Gas Chromatographic Analysis (Aug. 2018)

Report - 2018 Moisture (Oven Volatiles), Water by Karl Fischer and Gas Chromatography Interlaboratory Study (August 2018)

Report - 2009 Collaborative Study (Smokeless Tobacco r&R Study) (July 2010 - updated Jan 2016)

Report - Smokeless Tobacco Glossary (January 2010)

Guide 11 - Technical Guideline for Sample Handling of Smokeless Tobacco and Smokeless Tobacco Products (July 2011)