Supported by the Research Project for Postgraduate Students of Minzu University of China in 2015;Scientific and Technological Cooperation Planning Project of Guizhou Province(QKJ LH[2015]7265)~~
In the study, the contents of 5 trace elements including Fe, Cu, Mg, Mn and Ca were directly analyzed by flame atomic absorption spectroscopy in Gu- oshangye. The sample was subjected to microwave digestion with HNO3 ...