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Electrochemistry

Determination of Phenolic Sympathetic Stimulants in Pharmaceuticals by Liquid Chromatography with Electrochemical Detection

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Pages 791-798 | Received 25 Sep 1974, Accepted 02 Oct 1974, Published online: 05 Dec 2006
 

Abstract

A highly sensitive and selective instrument system combining pellicular cation exchange chromatography with thin layer electrochemistry is applied to the analysis of pharmaceutical dosage forms. Procedures are described for phenolic sympathetic amines in solid and liquid preparations. Satisfactory quantitation is achieved on the nanogram level with minimum sample manipulation and without need for any chemical reagents. Great advantage is demonstrated over previously described colorimetric, fluorometric, and gas chromatographic procedures.

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