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2009•Chinese Journal of Health Laboratory TechnologyRequires access

Determination of manganese in urine by GFAAS

Chunhua Qi

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Abstract

Objective:To establish a method to determine manganese(Mn) in urine by GFAAS.Methods:Urine samples were directly poured into graphite tubes after addition of matrix-modifier,and then the samples were determined by GFAAS.Results:The detection limit of the method was 0.9 μg/L,with Mn concentration ranging from 0 to 20 μg/L.The method showed good linearity,RSD was 5.17%~7.38% and the addition standard recovery 85.6%~104.2%.Conclusion:The method could be operated simply and rapidly and it has high accuracy and low limitation.

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What this paper is about

Objective:To establish a method to determine manganese(Mn) in urine by GFAAS.Methods:Urine samples were directly poured into graphite tubes after addition of matrix-modifier,and then the samples were determined by GFAAS.Results:The detection limit of the method was 0.9 μg/L,with Mn concentration ranging from 0 to 20 μg/L.The method showed good linearity,RSD was 5.17%~7.38% and the addition standard recovery 85.6%~104.2%.Conclusion:The method could be operated simply and rapidly and it has high accuracy and low limitation.

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Available abstract

Objective:To establish a method to determine manganese(Mn) in urine by GFAAS.Methods:Urine samples were directly poured into graphite tubes after addition of matrix-modifier,and then the samples were determined by GFAAS.Results:The detection limit of the method was 0.9 μg/L,with Mn concentration ranging from 0 to 20 μg/L.The method showed good linearity,RSD was 5.17%~7.38% and the addition standard recovery 85.6%~104.2%.Conclusion:The method could be operated simply and rapidly and it has high accuracy and low limitation.

Key concepts: Detection limit, Manganese, Urine, Chemistry, Chromatography, Matrix (chemical analysis), Mass spectrometry, Standard addition

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