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2003•Unpublished venueRequires access

Determination of Trace Amount of Mercury by Flow Injection Hydride Generation Atomic Absorption Spectrometry

Yili Liu

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Abstract

A flow injection hydride generation atomic absorption spectrometric (FI-HGAAS) method for the determination of trace amounts of Hg in food was reported in this paper. The pretreated sample solution was carried by the carrier of 2% H2SO4 and merged with KBH4 solution to produce vapor species of Hg, which was separated in gas-liquid separator and was detected in a quartz tube atomizer. The proposed method has been satisfactorily applied to the analysis of Hg in food. The relative standard deviations(RSDs) were in the range of 1.652%-3.243%. The limit of detection was found to be 0.2μg·L-1. Recovery test performed by standard addition method gave values in the range of 96.6%-100.2%.

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What this paper is about

A flow injection hydride generation atomic absorption spectrometric (FI-HGAAS) method for the determination of trace amounts of Hg in food was reported in this paper. The pretreated sample solution was carried by the carrier of 2% H2SO4 and merged with KBH4 solution to produce vapor species of Hg, which was separated in gas-liquid separator and was detected in a quartz tube atomizer. The proposed method has been satisfactorily applied to the analysis of Hg in food. The relative standard deviations(RSDs) were in the range of 1.652%-3.243%. The limit of detection was found to be 0.2μg·L-1. Recovery test performed by standard addition method gave values in the range of 96.6%-100.2%.

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Available abstract

A flow injection hydride generation atomic absorption spectrometric (FI-HGAAS) method for the determination of trace amounts of Hg in food was reported in this paper. The pretreated sample solution was carried by the carrier of 2% H2SO4 and merged with KBH4 solution to produce vapor species of Hg, which was separated in gas-liquid separator and was detected in a quartz tube atomizer. The proposed method has been satisfactorily applied to the analysis of Hg in food. The relative standard deviations(RSDs) were in the range of 1.652%-3.243%. The limit of detection was found to be 0.2μg·L-1. Recovery test performed by standard addition method gave values in the range of 96.6%-100.2%.

Key concepts: Hydride, Detection limit, Atomic absorption spectroscopy, Chemistry, Mercury (programming language), Analytical Chemistry (journal), Separator (oil production), Relative standard deviation

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