Determination of pentoxifylline in pharmaceutical formulations using iodine as oxidizing agent.

Abstract

Simple, selective and sensitive spectrophotometric methods are described for the determination of pentoxifylline, based on the haloform reaction with a known and excess of standard iodine solution under alkaline conditions. The excess of iodine is determined at pH 3.0 with metol-isoniazid (lambda(max)=620 nm; method A) or wool fast blue BL (lambda(max)=540… (More)

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