2010•Journal of Hebei Agricultural SciencesRequires access

Study on the Determination of Arsenic and Mercury in Tobacco by Atomic Fluorescence Spectrometry

Chen Yongkuan

Abstract

The determination of arsenic and mercury in tobacco by atomic fluorescence spectrometry was studied.The tobacco samples were digested with HNO3-HClO4,then the arsenic and mercury were determined by atomic fluorescence spectrometry.The detection limits of arsenic and mercury were 0.05 ng/mL and 0.008 ng/mL,respectively.The relative standard deviation of arsenic and mercury were 2.6% and 2.7%,respectively.The recovery of standard addition of arsenic and mercury were 96%-103% and 94%-102%,respectively.

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