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Acta poloniae pharmaceutica

Applications of derivative UV spectrophotometry for the determinations of fenbufen and ketoprofen in pharmaceutical preparations.


PMID 16193808

Abstract

A methods for the determination of fenbufen and ketoprofen in pharmaceuticals by classical spectrophotometry--zero order derivative, first and second order derivatives spectrophotometry is described. using "peak-peak" (P-P) and, "peak-zero" (P-O) measurements. The calibration curves are linear within the concentration range of 2.0 - 12.0 microg x mL(-1) for fenbufen and ketoprofen. The procedure is simple, rapid and the results are reliable.

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