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2013•Chinese Journal of Spectroscopy LaboratoryRequires access

Determination of Nitrite by Flow Injection Chemiluminescence Method

Shu Wang

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Abstract

Basing on the inhibitory action of nitrite on chemiluminescence system of potassium permanganate-glyoxal,a method was established to determine nitrite by flow injection chemiluminescence method.Under the optimum testing conditions,detection limit was 1×10~(-9)mol·L~(-1),and linear range was from 1.0×10~(-8)mol·L~(-1) to 1.0×10~(-3)mol ? L~(-1),the relative standard deviation was 1.3%with determination of 1.0×10~(-6)mol·L~(-1) nitrite for 11 repeated measurements.The method is applied to determination of content of nitrite in foodstuffs or water.

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What this paper is about

Basing on the inhibitory action of nitrite on chemiluminescence system of potassium permanganate-glyoxal,a method was established to determine nitrite by flow injection chemiluminescence method.Under the optimum testing conditions,detection limit was 1×10~(-9)mol·L~(-1),and linear range was from 1.0×10~(-8)mol·L~(-1) to 1.0×10~(-3)mol ? L~(-1),the relative standard deviation was 1.3%with determination of 1.0×10~(-6)mol·L~(-1) nitrite for 11 repeated measurements.The method is applied to determination of content of nitrite in foodstuffs or water.

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Available abstract

Basing on the inhibitory action of nitrite on chemiluminescence system of potassium permanganate-glyoxal,a method was established to determine nitrite by flow injection chemiluminescence method.Under the optimum testing conditions,detection limit was 1×10~(-9)mol·L~(-1),and linear range was from 1.0×10~(-8)mol·L~(-1) to 1.0×10~(-3)mol ? L~(-1),the relative standard deviation was 1.3%with determination of 1.0×10~(-6)mol·L~(-1) nitrite for 11 repeated measurements.The method is applied to determination of content of nitrite in foodstuffs or water.

Key concepts: Chemiluminescence, Potassium permanganate, Nitrite, Chemistry, Detection limit, Glyoxal, Relative standard deviation, Chromatography

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