2011•Journal of Hengshui UniversityRequires access

Determination of Copper in Glycyrrhiza by Graphite Furnace Atomic Absorption Spectrometry

Guang’en Xing

Abstract

Copper in glycyrrhiza was determinated by Graphite Furnace Atomic Absorption Spectrometry(GFAAS).Several conditions of GFAAS were selected.The results showed that the linear range of calibration curve was 20-100 ng.mL-1,the average recovery rate with standard addition mode was 99%,and the relative-standard deviations for the determination were no more than 1.66%.The method is simple,reliable and could be used for determination of practical samples.

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Key concepts: Graphite furnace atomic absorption, Copper, Calibration curve, Relative standard deviation, Analytical Chemistry (journal), Mass spectrometry, Chemistry, Graphite