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Study on the determination of trace harmful elements in salt by inductively coupled plasma-mass spectrometry

Xie Hua-lin, Xiao‐Mei He

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Abstract

The determination of trace Pb,Cd,As and Cr in salt was studied by inductively coupled plasma-mass spectrometry(ICP-MS).The (optimum) conditions for the determination were tested.The detection limits of the method were 0.003 μg/L for Pb,0.005 μg/L for Cd,0.003 (μg/L) for As,0.008 μg/L for Cr.The recoveries were in the range of 90.8%-109.5%.RSDs were less than 3.68%.This method was accurate,rapid and convenient.It was used for the determination of trace Pb,Cd,As and Cr in salt with satisfactory results.

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What this paper is about

The determination of trace Pb,Cd,As and Cr in salt was studied by inductively coupled plasma-mass spectrometry(ICP-MS).The (optimum) conditions for the determination were tested.The detection limits of the method were 0.003 μg/L for Pb,0.005 μg/L for Cd,0.003 (μg/L) for As,0.008 μg/L for Cr.The recoveries were in the range of 90.8%-109.5%.RSDs were less than 3.68%.This method was accurate,rapid and convenient.It was used for the determination of trace Pb,Cd,As and Cr in salt with satisfactory results.

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Available abstract

The determination of trace Pb,Cd,As and Cr in salt was studied by inductively coupled plasma-mass spectrometry(ICP-MS).The (optimum) conditions for the determination were tested.The detection limits of the method were 0.003 μg/L for Pb,0.005 μg/L for Cd,0.003 (μg/L) for As,0.008 μg/L for Cr.The recoveries were in the range of 90.8%-109.5%.RSDs were less than 3.68%.This method was accurate,rapid and convenient.It was used for the determination of trace Pb,Cd,As and Cr in salt with satisfactory results.

Key concepts: Inductively coupled plasma mass spectrometry, Chemistry, Salt (chemistry), Mass spectrometry, Detection limit, Inductively coupled plasma, Chromatography, Analytical Chemistry (journal)

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