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Talanta. 1984 Feb;31(2):144-6.

Dosage de derives de l'acide phenylpropionique A activite pharmacologique par titrage coulometrique.

[Article in French]

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Laboratoire de Chimie Analytique et d'Electrochimie Organiques, Centre d'études pharmaceutiques, Université de Paris-Sud, rue J.B. Clément, 92290 Chatenay-Malabry, France.


Generation of ethoxide and hydroxide ions in aqueous ethanolic medium by controlled-current electrolysis is suggested for coulometric titration of 2-phenylpropionic acid derivatives. The electroreduction of the carboxylic hydrogen atom leads to the anion by elimination of a hydrogen radical. Potentiometric or conductimetric methods can be used for detection of the end-point.


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