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Spectrometry

Spectrophotometric Determination of Perfluoro Carboxylic Acids (Heptanoic to Decanoic) and Sodium Perfluorooctanoate and Decyl Sulfate In Mixtures By Dye-Extraction

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Pages 999-1007 | Received 10 Aug 1988, Accepted 12 Dec 1988, Published online: 23 Oct 2006
 

Abstract

Perfluorinated carboxylic acids were extracted into chloroform as a 1:1 ion-pairs with methylene blue and determined spectrophotometrically. the method gave linear calibration plots in the 10-5 range. A method is outlined for the analysis of sodium perfluorooctanoate and sodium decylsulfate in their mixtures.

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