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2002•Journal of Instrumental AnalysisRequires access

Inhibitory Kinetic Fluorimetric Determination of Trace Bromide

Shao Jian

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Abstract

A new kinetic fluorimetric method for the determination of trace Br- has been developed. The method is based on the inhibitory effect of Br- on the oxidation of butyl rhodamine B by potassium bromate in dilute solution of H3PO4. The detection limit for Br- is 0.075 μg/L. The linear range of the determination is 0.40～6.40 μg/L. The method was used to determine trace Br- in ground water and human hair samples with satisfactory results.

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What this paper is about

A new kinetic fluorimetric method for the determination of trace Br- has been developed. The method is based on the inhibitory effect of Br- on the oxidation of butyl rhodamine B by potassium bromate in dilute solution of H3PO4. The detection limit for Br- is 0.075 μg/L. The linear range of the determination is 0.40～6.40 μg/L. The method was used to determine trace Br- in ground water and human hair samples with satisfactory results.

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Available abstract

A new kinetic fluorimetric method for the determination of trace Br- has been developed. The method is based on the inhibitory effect of Br- on the oxidation of butyl rhodamine B by potassium bromate in dilute solution of H3PO4. The detection limit for Br- is 0.075 μg/L. The linear range of the determination is 0.40～6.40 μg/L. The method was used to determine trace Br- in ground water and human hair samples with satisfactory results.

Key concepts: Chemistry, Potassium bromate, Detection limit, Linear range, Rhodamine B, Bromate, Bromide, Chromatography

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