2008•Trace Elements ScienceRequires access

Determination of the Content of 4 Trace Elements in Gynositemma pentaphyllum Makino by Microwave Digestion-ICP-AES

Yilin Wang

Abstract

The samples were digested by HNO3-H2O2 in a microwave system,and then ICP-AES was applied to the determination of some trace elements in Gynositemma pentaphyllum Makino.The results showed the content in the sample was degression according to iron,manganese,zinc and copper. The relative standard deviation was 1.0%~3.8%,and the recovery was in the rang 88%~97%.The method is simple and practical.

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Key concepts: Microwave digestion, Inductively coupled plasma atomic emission spectroscopy, Relative standard deviation, Manganese, Chemistry, Zinc, TRACE (psycholinguistics), Copper