<abstract xmlns="http://www.w3.org/1999/xhtml"><p> A collaborative examination of the water determination by azeotropic distillation with benzene has been undertaken on the model system paper plus added water, in order to establish whether this method can be used as a reference method for the water determination in tobacco. It has been found that the accuracy of the method, expressed by the amount of added water recovered by distillation, is excellent and independent of the laboratory conducting the trial. Its precision, measured by the mean standard deviation, is in general lower than 0.05 ml, but may vary considerably between the laboratories.</p></abstract>

A collaborative examination of the water determination by azeotropic distillation with benzene has been undertaken on the model system paper plus added water, in order to establish whether this method can be used as a reference method for the water determination in tobacco. It has been found that the accuracy of the method, expressed by the amount of added water recovered by distillation, is excellent and independent of the laboratory conducting the trial. Its precision, measured by the mean standard deviation, is in general lower than 0.05 ml, but may vary considerably between the laboratories.

Results of a Collaborative Examination on the Water Content of Tobacco / Ergebnisse der Ringuntersuchung zur Feuchtigkeitsbestimmung

Vereinigte Tabakfabriken AG, Neuchâtel-Serrières, 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.

A collaborative examination of the water determination by azeotropic distillation with benzene has been undertaken on the model system paper plus added water,...

Results of a Collaborative Examination on the Water Content of Tobacco / Ergebnisse der Ringuntersuchung zur Feuchtigkeitsbestimmung

Pubblicato online: 28 mag 2014

Pagine: 337 - 341

DOI: https://doi.org/10.2478/cttr-2013-0043

© 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.