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2004•Journal of Nantong Vocational CollegeRequires access

Catalytic Spectrophotometric Determination of Trace Amounts of Manganese with Dibromxcarboxyarsenazo in Water

Jin Wenbin

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Abstract

Decolourisation of dibromxcarboxyarsenazo by oxidation of hydrogen peroxide in ammonium muriatemedium using manganese as catalyst is investigated.λ_(max)=565 nm,the apparent molar absorption coeffi-cient is 2.6×10~4.L.mol~(-1).cm~(-1),the linear range for the determination of manganese is O～2.1μg/25mL.The method has been applied to the determination of trace amounts of manganese in water with satisfacto-ry results.

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Decolourisation of dibromxcarboxyarsenazo by oxidation of hydrogen peroxide in ammonium muriatemedium using manganese as catalyst is investigated.λ_(max)=565 nm,the apparent molar absorption coeffi-cient is 2.6×10~4.L.mol~(-1).cm~(-1),the linear range for the determination of manganese is O～2.1μg/25mL.The method has been applied to the determination of trace amounts of manganese in water with satisfacto-ry results.

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Available abstract

Decolourisation of dibromxcarboxyarsenazo by oxidation of hydrogen peroxide in ammonium muriatemedium using manganese as catalyst is investigated.λ_(max)=565 nm,the apparent molar absorption coeffi-cient is 2.6×10~4.L.mol~(-1).cm~(-1),the linear range for the determination of manganese is O～2.1μg/25mL.The method has been applied to the determination of trace amounts of manganese in water with satisfacto-ry results.

Key concepts: Manganese, Hydrogen peroxide, Catalysis, Chemistry, Trace Amounts, Inorganic chemistry, Linear range, Absorption (acoustics)

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