Citation: Ali Sheibani, M. Reza Shishehbore, Zahra Tavakolian Ardakani. Kinetic spectrophotometric determination of bromide in clidinium-c drug[J]. Chinese Chemical Letters, ;2011, 22(5): 595-598. doi: 10.1016/j.cclet.2010.10.054 shu

Kinetic spectrophotometric determination of bromide in clidinium-c drug

Department of Chemistry, Islamic Azad University, Yazd Branch, Yazd 89195-155, Iran

Received Date: 13 September 2010

A simple, rapid and sensitive method has been described for the determination of the trace amounts of bromide.The method is based on the catalytic effect of bromide ion on the oxidation of methylene blue by bromate in sulfuric acid media.The reaction is monitored spectrophotometrically by measuring the decrease in the absorbance of methylene blue at 665 nm.Bromide was determined in the range of 0.05-1.90 μg/mL with the detection limit of 0.03 μg/mL.The relative standard deviations of five replicate determinations of 0.20 and 10.0 μg/mL of bromide were 2.4% and 1.8%, respectively.The influence of potential interfering ions and substances was studied.The method is applied to the analysis of bromide in clidinium-c tablet as a real sample.
- Kinetic spectrophotometric,
- Clidinium-c,
- Clidinium bromide,
- Methylene blue
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