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Highly selective spectrophotometric flow-injection determination of trace amounts of bromide by catalytic effect on the oxidation of< i> m</i>-cresolsulfonephthalein by periodate

Authors: Ali A Ensafi, B Rezaei, S Nouroozi
Publication date:: 2004/7/31
Journal name: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Volume: 60
Pages:2053-2057
Publisher: Elsevier
 
A new flow-injection method is reported for the determination of bromide. The method is
based on catalytic effect of bromide on the oxidation of m-cresolsulfonephthalein by
periodate in acidic media. The reaction was followed spectrophotometrically by measuring
the decrease in absorbance at 528nm. The influence of pH, reagent concentration and
manifold variables on the sensitivity was studied. Under optimum conditions, a calibration
graph was obtained in the range of 0.160–20.00 μgml− 1 bromides with a limit of detection ...

http://www.sciencedirect.com/science/article/pii/S138614250300502X

Journal Papers
Month/Season: 
July
Year: 
2004

تحت نظارت وف ایرانی

Highly selective spectrophotometric flow-injection determination of trace amounts of bromide by catalytic effect on the oxidation of< i> m-cresolsulfonephthalein by periodate | Prof. Ali A. Ensafi

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تحت نظارت وف ایرانی