2011•Unpublished venueRequires access

Determination of Pb, Cu and Mn in Some Traditional Chinese Medicines by Microwave-Assisted Extraction Followed by Flame Atomic Absorption Spectrometry

Zhuxing Tang, Qiaoling Wang, Ning Zhang

Abstract

Three mineral and trace elements (Pb, Cu and Mn) were determined in the herbs such as Astragalus, Lycium and Schisandr. Microwave digestion procedure was applied under optimized conditions for dissolution of medicinal herbs. Element concentrations in the medicinal herbs were determined by flame atomization atomic absorption spectrometry. The accuracy and precision were studied. The mineral and trace element content of medicinal herbs showed a wide variability.

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Key concepts: Microwave digestion, Extraction (chemistry), Atomic absorption spectroscopy, Chemistry, Dissolution, Trace element, Absorption (acoustics), Microwave