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2007•Chinese Journal of Analysis LaboratoryRequires access

Determination of trace germanium and selenium in health food by hydride generation-atomic fluorescence spectrometry

Bin Wu

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Abstract

A method for the determination of germanium and selenium in health food by hydride generation-atomic fluorescence spectrometry(HG-AFS) with microwave digestion was proposed.The influence of instrument parameters、 HCl and KBH4 concentration were investigated.The detection limit of the germanium and selenium is 0.40 and 0.51 μg/L;The relative standard deviations are 2.0%;The recoveries are in the rage of 77.1%～105.2% and 80.0%～108.2%,respectively.The method has been applied to the determination of germanium and selenium in health food with satisfactory results.

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What this paper is about

A method for the determination of germanium and selenium in health food by hydride generation-atomic fluorescence spectrometry(HG-AFS) with microwave digestion was proposed.The influence of instrument parameters、 HCl and KBH4 concentration were investigated.The detection limit of the germanium and selenium is 0.40 and 0.51 μg/L;The relative standard deviations are 2.0%;The recoveries are in the rage of 77.1%～105.2% and 80.0%～108.2%,respectively.The method has been applied to the determination of germanium and selenium in health food with satisfactory results.

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Available abstract

A method for the determination of germanium and selenium in health food by hydride generation-atomic fluorescence spectrometry(HG-AFS) with microwave digestion was proposed.The influence of instrument parameters、 HCl and KBH4 concentration were investigated.The detection limit of the germanium and selenium is 0.40 and 0.51 μg/L;The relative standard deviations are 2.0%;The recoveries are in the rage of 77.1%～105.2% and 80.0%～108.2%,respectively.The method has been applied to the determination of germanium and selenium in health food with satisfactory results.

Key concepts: Selenium, Chemistry, Germanium, Hydride, Microwave digestion, Detection limit, Mass spectrometry, Fluorescence spectrometry

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