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2002•Journal of environmental healthRequires access

Simultaneous Determination of Trace Arsenic and Mercury in Drinking Water by Hydride Generation Atomic Fluorescence Spectrometry

Jiang Li-juan

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Abstract

Objective To establish the simultaneous determination of arsenic and mercury in the drinking water by hydride generation atomic fluorescence spectrometry (HGAFS). Methods The contents of trace arsenic and mercury in drinking water were detected by HGAFS based on optimized working conditions in this assay. The influences of some factors, such as sample pretreatment, pH value and interfering ions in drinking water were analyzed also. Results The detection limit of arsenic, mercury was 0.29 ng/ml and 0.05 ng/ml respectively. The precision (relative standard deviation) of the method was less than 6.8% .The recovery rates ranged from 85.7%～112.6%. The detecting results for standard materials were very much close to the reference values. Conclusion This method was suitable for the detection of arsenic and mercury in drinking water.

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What this paper is about

Objective To establish the simultaneous determination of arsenic and mercury in the drinking water by hydride generation atomic fluorescence spectrometry (HGAFS). Methods The contents of trace arsenic and mercury in drinking water were detected by HGAFS based on optimized working conditions in this assay. The influences of some factors, such as sample pretreatment, pH value and interfering ions in drinking water were analyzed also. Results The detection limit of arsenic, mercury was 0.29 ng/ml and 0.05 ng/ml respectively. The precision (relative standard deviation) of the method was less than 6.8% .The recovery rates ranged from 85.7%～112.6%. The detecting results for standard materials were very much close to the reference values. Conclusion This method was suitable for the detection of arsenic and mercury in drinking water.

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Available abstract

Objective To establish the simultaneous determination of arsenic and mercury in the drinking water by hydride generation atomic fluorescence spectrometry (HGAFS). Methods The contents of trace arsenic and mercury in drinking water were detected by HGAFS based on optimized working conditions in this assay. The influences of some factors, such as sample pretreatment, pH value and interfering ions in drinking water were analyzed also. Results The detection limit of arsenic, mercury was 0.29 ng/ml and 0.05 ng/ml respectively. The precision (relative standard deviation) of the method was less than 6.8% .The recovery rates ranged from 85.7%～112.6%. The detecting results for standard materials were very much close to the reference values. Conclusion This method was suitable for the detection of arsenic and mercury in drinking water.

Key concepts: Arsenic, Mercury (programming language), Hydride, Detection limit, Chemistry, Environmental chemistry, Relative standard deviation, Fluorescence spectrometry

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