Sensitive assay for carvedilol in tablets and spiked human plasma using a flow-injection chemiluminometric method

Sensitive assay for carvedilol in tablets and spiked human plasma using a flow-injection chemiluminometric method

A simple and sensitive chemiluminometric method using flow injection (FI) is developed for the determination of carvedilol, based on the reaction of carvedilol with tris (2, 2'-bipyridyl) ruthenium (II), and KMnO4 in sulfuric acid medium. Under the optimum conditions; the chemiluminescence (CL)...

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Veröffentlicht in:International journal of biomedical science 2007-06, Vol.3 (2), p.131-136
Hauptverfasser: Arfaj, Nawal Al, Abdine, Heba H, Sultan, Maha A
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Abdine, Heba H
Sultan, Maha A
description A simple and sensitive chemiluminometric method using flow injection (FI) is developed for the determination of carvedilol, based on the reaction of carvedilol with tris (2, 2'-bipyridyl) ruthenium (II), and KMnO4 in sulfuric acid medium. Under the optimum conditions; the chemiluminescence (CL) intensity is a linear function of carvedilol concentration over the range of 0.04-1.0 µg ml(-1) (9.8 × 10(-8) - 2.5 × 10(-6) mol L(-1)) with a detection limit (S/N=3) of 0.025 µgml(-1) (6.2 × 10(-8) mol L(-1)). The relative standard deviation of the proposed method calculated from 10 replicate injections of 0.4 µg ml(-1) carvedilol is 0.95%. The sample throughput is 90 samples h(-1). The method is applied successfully to the determination of carvedilol in tablets dosage form and spiked human plasma.
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title Sensitive assay for carvedilol in tablets and spiked human plasma using a flow-injection chemiluminometric method
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