Systematic study on the fusion sample preparation in X-ray fluorescence spectrometric analysis
LI Guo-hui1,LI Xiao-li2
1.Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000,China; 2.Tianjin Institute of Geology and Mineral Resources,Tianjin 300171,China
Abstract：The fusion sample preparation in X-ray fluorescence spectrometry (XRF) was systematically studied. The investigation contents included the selection of flux, oxidizing agent, sulfurizing agent, absorbing agent and releasing agent. The fusion preparation methods of several typical samples such as oxide, carbonate, sulfide, ferroalloy, graphite material and copper concentrate were proposed. The maintenance of platinum-gold crucible and cast mould was introduced. The problems and solving methods during the borate molten glass disc preparation were described in detail. Three types of fusion equipments and characteristics were introduced. The study had certain guiding significance to the fusion sample preparation in XRF analysis.
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