2011•Food and Nutrition in ChinaRequires access

Determination of Copper in Tea by FAAS

Jing Song

Abstract

The content of copper in tea was determined by the method of flame atomic absorption spectrometry(FAAS) and the optimum conditions for the determination were studied thoroughly.Under the optimum conditions,results showed that the sample determined value and standard value of the method fit fairly well,RSD of the method was 0.49%,and recovery rate was 99.1%.So the method was suitable for the determination of dram amounts of Cu in tea samples.

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Key concepts: Copper, Recovery rate, Atomic absorption spectroscopy, Chemistry, Relative standard deviation, Chromatography, Analytical Chemistry (journal), Sample (material)