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Comparison of different methods of quantitative analysis employing gas-liquid chromatography, illustrated by the determination of water in organic solvents

Authors
Journal
Journal of Chromatography A
0021-9673
Publisher
Elsevier
Publication Date
Volume
198
Issue
1
Identifiers
DOI: 10.1016/s0021-9673(00)81192-9

Abstract

Abstract The methods used in quantitative analysis employing gas-liquid chromatography are critically examined, and a division into three major categories is suggested. The various methods have been applied to the determination of water in organic solvents. It was found that for a moisture content of 0.1–5 wt.-% the external standard method is preferable to the internal standard method, and the method of standard additions is the least satisfactory. The “volume effect” and the “solute effect” were examined for various water-standard-solvent systems, and the errors were evaluated.

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