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2006•Unpublished venueRequires access

Determination of Glyoxal Content with Flow-injection Chemiluminescence System of KMnO_4-H_2SO_4

Fang Lu-qiu

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Abstract

The determination of glyoxal content with flow-injection chemiluminescence system of KMnO_4-H_2SO_4 was described.It is based on the chemiluminescence emitted during the oxidation of glyoxal by Potassium Permanganate in sulphuric acid.Various factors influenced the CL system was investigated carefully. The possible mechanism of the proposed method was also studied preliminarily.The detection limit is 7×10~(-6)g/mL(3σ),the linear range of determination was 2.0×10~(-5)～7.0×10~(-2)g/mL.The relative standard deviation is 3.8%(1.0×10~(-3)g/mL,n=11).The recommended method has been successfully used for analysis of the glyoxal in similated sample solution.

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What this paper is about

The determination of glyoxal content with flow-injection chemiluminescence system of KMnO_4-H_2SO_4 was described.It is based on the chemiluminescence emitted during the oxidation of glyoxal by Potassium Permanganate in sulphuric acid.Various factors influenced the CL system was investigated carefully. The possible mechanism of the proposed method was also studied preliminarily.The detection limit is 7×10~(-6)g/mL(3σ),the linear range of determination was 2.0×10~(-5)～7.0×10~(-2)g/mL.The relative standard deviation is 3.8%(1.0×10~(-3)g/mL,n=11).The recommended method has been successfully used for analysis of the glyoxal in similated sample solution.

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Available abstract

The determination of glyoxal content with flow-injection chemiluminescence system of KMnO_4-H_2SO_4 was described.It is based on the chemiluminescence emitted during the oxidation of glyoxal by Potassium Permanganate in sulphuric acid.Various factors influenced the CL system was investigated carefully. The possible mechanism of the proposed method was also studied preliminarily.The detection limit is 7×10~(-6)g/mL(3σ),the linear range of determination was 2.0×10~(-5)～7.0×10~(-2)g/mL.The relative standard deviation is 3.8%(1.0×10~(-3)g/mL,n=11).The recommended method has been successfully used for analysis of the glyoxal in similated sample solution.

Key concepts: Glyoxal, Chemiluminescence, Potassium permanganate, Detection limit, Relative standard deviation, Chemistry, Permanganate, Flow injection analysis

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