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2011•Chinese Journal of Spectroscopy LaboratoryRequires access

Determination of As and Hg in Metal Jewelry by Hydride Generation-Atomic Fluorescence Spectrometry

Chen De

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Abstract

The method for the determination of As and Hg in metal jewelry was developed by hydride generation-atomic fluorescence spectrometry.The sample was digested with HNO3 and HCl(V/V,3∶1) with microwave.The detection limit of the method were 0.079μg/L for As,0.037μg/L for Hg,and relative standard deviation of As and Hg were 1.89% and 4.82%,respectively.The recovery of As and Hg were 99.6% and 96.0%,respectively.The method is simple and fast,and suitable for daily inspection of metal jewelry.

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What this paper is about

The method for the determination of As and Hg in metal jewelry was developed by hydride generation-atomic fluorescence spectrometry.The sample was digested with HNO3 and HCl(V/V,3∶1) with microwave.The detection limit of the method were 0.079μg/L for As,0.037μg/L for Hg,and relative standard deviation of As and Hg were 1.89% and 4.82%,respectively.The recovery of As and Hg were 99.6% and 96.0%,respectively.The method is simple and fast,and suitable for daily inspection of metal jewelry.

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Available abstract

The method for the determination of As and Hg in metal jewelry was developed by hydride generation-atomic fluorescence spectrometry.The sample was digested with HNO3 and HCl(V/V,3∶1) with microwave.The detection limit of the method were 0.079μg/L for As,0.037μg/L for Hg,and relative standard deviation of As and Hg were 1.89% and 4.82%,respectively.The recovery of As and Hg were 99.6% and 96.0%,respectively.The method is simple and fast,and suitable for daily inspection of metal jewelry.

Key concepts: Hydride, Detection limit, Relative standard deviation, Metal, Chemistry, Analytical Chemistry (journal), Mass spectrometry, Fluorescence spectrometry

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