2008•Chinese Journal of Analysis LaboratoryRequires access

Determination of mercury in snake powder by atomic fluoresence spectrometry

Heng Li

Abstract

A method for the determination of mercury in snake powder by hydride generation-atomic fluorescence spectrometry has been established.Analytical conditions,including main lamp current,Carrier gas flow rate,Shield gas flow rate and delay/integration time were optimized.The detection limit of present method is 0.7 pg/mL mercury under optimized conditions.Relative standard deviations are 4.1% and 0.9% for 0.3 ng/mL and 1 ng/mL mercury standard solution,respectively.The recoveries for sample determination are between 87% and 110%.

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Key concepts: Chemistry, Mercury (programming language), Detection limit, Hydride, Relative standard deviation, Analytical Chemistry (journal), Volumetric flow rate, Mass spectrometry