隔膜なしの電解セルを用いたカールフィッシャー電量滴定法

概要

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The authors investigated Karl Fischer coulometric titration using a diaphragmless cell. Many samples, such as hydrocarbons, alcohols and polymers, were analyzed by the present method and the conventional method using a cell with a diaphragm. The relationship between both methods showed good agreement (relation coefficient, r=0.99996). Compounds containing a nitro group showed higher analytical values, because the products electrolyzed at the cathode reacted with the iodine produced at the anode. Present method is suitable for the coulometric titration/the moisture vaporization method in which the moisture in samples is introduced into the electrolyzing cell by heating and purging.
社団法人日本分析化学会の論文
1999-07-05