Recommended Methods current

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

(CRM developed into ISO 6488)

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 92 - Determination of Menthol in Cigarettes and Cut Filler by Gas Chromatography (April 2019)

CRM 76 - Determination of Moisture Content (Oven Volatiles) of Tobacco and Tobacco Products (July 2017)

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 - Collaborative Study of Menthol in Cigarettes and Cut Filler (April 2019)

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

Report - Proficiency Study of Menthol in Cigarettes and Cut Filler (May 2018)

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

Report - Smokeless Tobacco Glossary (January 2010)

Guide 24 - Sample Handling of Mentholated Cigarettes and Cut Filler (April 2019)

Guide 11 - Technical Guideline for Sample Handling of Smokeless Tobacco and Smokeless Tobacco Products (May 2020)