Cigarettes — Determination of water in smoke condensates — Part 2: Karl Fischer method

The principle of the method specified is dissolving the smoke condensate from the mainstream smoke in a solvent and determination of the water content of an aliquot of the solution by titration with standardized Karl Fischer reagent. The smoking of cigarettes and collection of mainstream smoke are normally carried out in accordance with ISO 4387. However, the method is also applicable to the determination of water in smoke condensates obtained by non-standard smoking.