A selective and sensitive kinetic method for the determination of procaine and benzocaine in pharmaceuticals.

Abstract

A simple stopped-flow method for the determination of procaine and benzocaine which is suitable for their routine analysis in pharmaceutical samples is reported. The method is based on a condensation reaction between each compound and 4-dimethylaminocinnamaldehyde, which yields coloured compounds and which are monitored spectrophotometrically. The… (More)

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