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2008•Chinese Journal of Public HealthRequires access

Direct determination of multi-element in urine by octopole reaction system inductively coupled plasma mass spectrometry

Xuehui Li

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Abstract

Objective To establish the method for direct determination of multi-elements in urine by Octopole Reaction Sysem Inductively Coupled Plasma Mass Spectrometry(ORS-ICP-MS).Methods The samples were diluted by 5% HNO3.The solution was directly analyzed by ORS-ICP-MS for the determination of ten elements including Pb,As,V,Cd,etc.Results The detection limit of each element was between 0.10～1.02 μg/L with good standard linear correlations(r0.999).Standard deviations was below 8% with the recoveries of 86.4～111%.Standard reference materials were used for quality control and the analysis results confirmed well to the certified values.Conclusion The method was proved to be simple,rapid,accurate and reliable and could applied to the analysis of the sample with satisfactory results.

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What this paper is about

Objective To establish the method for direct determination of multi-elements in urine by Octopole Reaction Sysem Inductively Coupled Plasma Mass Spectrometry(ORS-ICP-MS).Methods The samples were diluted by 5% HNO3.The solution was directly analyzed by ORS-ICP-MS for the determination of ten elements including Pb,As,V,Cd,etc.Results The detection limit of each element was between 0.10～1.02 μg/L with good standard linear correlations(r0.999).Standard deviations was below 8% with the recoveries of 86.4～111%.Standard reference materials were used for quality control and the analysis results confirmed well to the certified values.Conclusion The method was proved to be simple,rapid,accurate and reliable and could applied to the analysis of the sample with satisfactory results.

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Available abstract

Objective To establish the method for direct determination of multi-elements in urine by Octopole Reaction Sysem Inductively Coupled Plasma Mass Spectrometry(ORS-ICP-MS).Methods The samples were diluted by 5% HNO3.The solution was directly analyzed by ORS-ICP-MS for the determination of ten elements including Pb,As,V,Cd,etc.Results The detection limit of each element was between 0.10～1.02 μg/L with good standard linear correlations(r0.999).Standard deviations was below 8% with the recoveries of 86.4～111%.Standard reference materials were used for quality control and the analysis results confirmed well to the certified values.Conclusion The method was proved to be simple,rapid,accurate and reliable and could applied to the analysis of the sample with satisfactory results.

Key concepts: Inductively coupled plasma mass spectrometry, Detection limit, Chemistry, Chromatography, Certified reference materials, Urine, Mass spectrometry, Analytical Chemistry (journal)

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