Spectrophotometric Determination of Bismuth(III) with 4-(2-pyridylazo) Resorcinol-Application to Waters and Veterinary Preparation Najih H. Shekho|Enas S. Thunoon

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Baghdad Science Journal

Abstract

This paper describes the development of a simple spectrophotometric determination of bismuth III with 4-(2-pyridylazo) resorcinol (PAR) in aqueous solution in the presence of cetypyridinium chloride surfactant at pH 5 which exhibits maximum absorption at 532 nm. Beer's law is obeyed over the range
5-200 µg/25 mL. i.e. 0.2-8 ppm with a molar absorptivity of 3×104 l.mol-1.cm-1 and Sandell's sensitivity index of 0.0069 µg.cm-2. The method has been applied successfully in the determination of Bi (III) in waters and veterinary preparation.

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Journal BS. Spectrophotometric Determination of Bismuth(III) with 4-(2-pyridylazo) Resorcinol-Application to Waters and Veterinary Preparation: Najih H. Shekho|Enas S. Thunoon. Baghdad Sci.J [Internet]. 2013Sep.1 [cited 2021Dec.4];10(3):898-906. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2599
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