<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The current method of determination of the water content of cigarette smoke condensate was improved by using a Karl Fischer titrator with automatic end-point stop. The overall procedure thus becomes faster (the titration time is less than 2 minutes), easier (no supervision is needed during the titration) and better reproducible (coefficient of variation 2.5 % on the amount of water determined). In these three criterions, the automated Karl Fischer method is superior to a gas-chromatographic procedure having served as a method of comparison.</p></abstract>

The current method of determination of the water content of cigarette smoke condensate was improved by using a Karl Fischer titrator with automatic end-point stop. The overall procedure thus becomes faster (the titration time is less than 2 minutes), easier (no supervision is needed during the titration) and better reproducible (coefficient of variation 2.5 % on the amount of water determined). In these three criterions, the automated Karl Fischer method is superior to a gas-chromatographic procedure having served as a method of comparison.

The Determination of the Water Content in Cigarette Smoke Condensate Using a Karl Fischer Titrator / Wasserbestimmung im Rauchkondensat nach Karl Fischer mit einer halbautomatischen Apparatur

Vereinigte Tabakfabriken AG, Neuchâtel, Switzerland

Contributions to Tobacco & Nicotine Research

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

The current method of determination of the water content of cigarette smoke condensate was improved by using a Karl Fischer titrator with automatic end-point...

The Determination of the Water Content in Cigarette Smoke Condensate Using a Karl Fischer Titrator / Wasserbestimmung im Rauchkondensat nach Karl Fischer mit einer halbautomatischen Apparatur

Publié en ligne: 03 juil. 2014

Pages: 264 - 267

DOI: https://doi.org/10.2478/cttr-2013-0194

© Beiträge zur Tabakforschung International

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.