The Determination of Trace Amount of Manganese (Ⅱ) by Catalytic Potentiometric Method with Bromophenol Blue Ion-selective Electrode

Abstract Bromophenol blue ion-selective electrode was used in catalytic potentiometric method to determine trace amount of Mn(Ⅱ). As the rcaction velocity is proportional to the concentration of Mn(Ⅱ), this electrode is used to indicate the variation of the concentration of bromophenol blue. A linear range is obtained from 2 to 40 ng/mL of Mn(Ⅱ). This method was successfully applied to determine the trace amount of Mn(Ⅱ) in nature water.

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Keywords： manganese potassium periodate bromophenol blue ionselective electrode catalytic potentiometry

Received 1992-01-15; published 1992-01-15

Cite this article:

Xiao Xinliang, Zhou Jie.The Determination of Trace Amount of Manganese (Ⅱ) by Catalytic Potentiometric Method with Bromophenol Blue Ion-selective Electrode[J] Chemcial Industry and Engineering, 1992,V9(1): 1-4