Maifanite is a nature medicinal stone used in many fields for long time. The research on it showed that there are many trace elements in maifanite. In this paper, 36 trace elements in maifanite were determined by outer cover electrode atomic emission spectrometry, and the determination conditions were studied systematically. The results show that the concentrafions of elements, which are beneficial to human health, are higher, and the elements harmful to people health such as As, Cd, Hg, Cr, and Pb are tiny in maifanite. The precision and the accuracy were also discussed.
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