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2004•Chinese Journal of Spectroscopy LaboratoryRequires access

Determination of Trace Mercury in Wastewater by Simple Cold Vapor Generation Atomic Absorption Spectrometry

Wei Shi

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Abstract

A new cold vapor generation atomic absorption spectrometry (CVGAAS) method was developed for the determination of mercury with a homemade vapor generator.The experimental parameters were optimized,and the interference of coexisting ions was investigated.The method shows a detection limit of 0.39μg/L (3σ) and the precision (RSD) of 3.2% for 20 μg·L -1 Hg,and was successfully applied to the determination of mercury in wastewater samples with the recoveries in the range from 94% to 104%.

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What this paper is about

A new cold vapor generation atomic absorption spectrometry (CVGAAS) method was developed for the determination of mercury with a homemade vapor generator.The experimental parameters were optimized,and the interference of coexisting ions was investigated.The method shows a detection limit of 0.39μg/L (3σ) and the precision (RSD) of 3.2% for 20 μg·L -1 Hg,and was successfully applied to the determination of mercury in wastewater samples with the recoveries in the range from 94% to 104%.

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Available abstract

A new cold vapor generation atomic absorption spectrometry (CVGAAS) method was developed for the determination of mercury with a homemade vapor generator.The experimental parameters were optimized,and the interference of coexisting ions was investigated.The method shows a detection limit of 0.39μg/L (3σ) and the precision (RSD) of 3.2% for 20 μg·L -1 Hg,and was successfully applied to the determination of mercury in wastewater samples with the recoveries in the range from 94% to 104%.

Key concepts: Mercury (programming language), Detection limit, Atomic absorption spectroscopy, Chemistry, Cold vapour atomic fluorescence spectroscopy, Analytical Chemistry (journal), Mass spectrometry, Trace Amounts

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