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- W2376177579 abstract "A new catalytic spectrophotometric method for the determination of trace amounts of manganese has been developed.The method was based on oxidation of tribromochlorophosphonazo by potassium periodate in HAc-NaAc medium and in the presence of aminotriacetic acid as activator.The optimum reaction conditions and reaction mechanism were studied.The apparent activation energy and apparent reaction rate were found as Ea′=37.73 kJ/mol and k′=8.85×10-4s-1,respectively.The detection limit of the method was 2.3×10-9 g/mL.The linear ranges for the determiantion of manganese were 0-10.0 ng/mL.The recoveries of 95.2%-103.5% and the relative standard deviation of 2.1%3.9%(n=6)were obtained for the determination of trace manganese in environmental water samples." @default.
- W2376177579 created "2016-06-24" @default.
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- W2376177579 date "2008-01-01" @default.
- W2376177579 modified "2023-09-24" @default.
- W2376177579 title "Study on spectrophotometric determination of trace manganese by tribromochlorophosphonazo-MnII-KIO_4 catalytic system" @default.
- W2376177579 hasPublicationYear "2008" @default.
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