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2007•Journal of Hebei Normal University of Science & TechnologyRequires access

Determination of Trace Manganese by Catalytic Kinetic Spectrophotometry

Ding Su-fang

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Abstract

Decolourisation of Morin by oxidation with hydrogen peroxide in NaOH medium using manganese as a catalyst was investigated.The reaction order and the apparent activation energy were determined.The new method based on this for determination of manganese was set up with detection limit of 9.34×10-7 g/L Mn and linear range of 3.2×10-5～1.44×10-4 g/L.The method was used to determine trace manganese in water.

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What this paper is about

Decolourisation of Morin by oxidation with hydrogen peroxide in NaOH medium using manganese as a catalyst was investigated.The reaction order and the apparent activation energy were determined.The new method based on this for determination of manganese was set up with detection limit of 9.34×10-7 g/L Mn and linear range of 3.2×10-5～1.44×10-4 g/L.The method was used to determine trace manganese in water.

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Available abstract

Decolourisation of Morin by oxidation with hydrogen peroxide in NaOH medium using manganese as a catalyst was investigated.The reaction order and the apparent activation energy were determined.The new method based on this for determination of manganese was set up with detection limit of 9.34×10-7 g/L Mn and linear range of 3.2×10-5～1.44×10-4 g/L.The method was used to determine trace manganese in water.

Key concepts: Manganese, Hydrogen peroxide, Detection limit, Catalysis, Morin, Chemistry, Linear range, Spectrophotometry

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