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Sensitive Spectrophotometric Determination of ‎Bismuth(III) with 2-(5-bromo-2-pyridylazo)-5-‎diethylaminophenol

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Thu, 2014-03-20 09:56 — Bassem Shraydeh
Journal Title, Volume, Page: 
Microchemical Journal Volume 32, Issue 1, Pages 83–88
Year of Publication: 
1985
Link: 
http://www.sciencedirect.com/science/article/pii/0026265X8590058X
Authors: 
Bassem Shraydeh
Chemistry Department, An-Najah National University, Nablus, Palestine
Current Affiliation: 
Department of Chemistry, An-Najah National University, Nablus, Palestine
[email protected]
Radi Salim
Chemistry Department, An-Najah National University, Nablus, Palestine
Preferred Abstract (Original): 

The complex of the reagent 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP) with Bi(III) has been studied. The composition and stability of this complex have been determined. An analytical method for the spectrophotometric determination of Bi(III) using its complex with 5-Br-PADAP has been developed. Variables influencing the method such as pH, wavelength, and time have been studied. The limitations of this method and the effect of interfering ions have been investigated. Comparison of this method with other methods cited in the literature for the determination of Bi(III) is also included.