Abstract:AUTOMATIC PROCEDURE FOR SPECTROPHOTOMETRIC DETERMINATION OF HYDROQUINONE EMPLOYING MULTICOMMUTATION FLOW IN ANALYSIS SYSTEM. This paper describes a procedure based on multicommutation in flow analysis system for photometric determination of hydroquinone in pharmaceutical gel formulations. The procedure involves oxidation of hydroquinone by Fe (III) and subsequent reaction between the generated Fe (II) species with 1,10-phenanthroline, producing a complex detected at 510 nm. Under optimized conditions, the prop… Show more
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