Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Novel Flow Injection Method for Selective Spectrophotometric Determination of Acetylcholine Using Thermochromism of Ion Associates
Tadao SakaiYun-hua GaoNoriko OhnoNobuo Ura
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1991 Volume 20 Issue 1 Pages 163-166

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Abstract

A selective and rapid spectrophotometric method for the determination of acetylcholine has been developed by flow injection technique coupled with ion pair extraction using tetrabromophenolphthalein ethyl ester dichloroethane solution, where selectivity can be improved by using both higher pH(pH 11) on extraction and thermochromism of ion associates in a flow system.

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© 1991 The Chemical Society of Japan
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