Geochemical speciation certified reference materials are mainly used for speciation analysis in regional geochemical survey and evaluation. Five soil samples for different soil types were prepared. This paper deals with the stability of the samples which seems to constitute the key problem in the standard material development and lists the certified values and uncertainties of 16 elements in soluble, exchangeable, carbonate bound, humic acid bound, iron and manganese oxides bound, strong organic matter bound and residual state. Moreover, The precisions of the certified values are also discussed.
刘妹, 顾铁新, 史长义, 鄢卫东, 鄢明才. 我国主要土壤类型元素地球化学形态成分标准物质研制[J]. 物探与化探, 2008, 32(5): 492-496,508.
LIU Mei, GU Tie-xin, SHI Chang-yi, YAN Wei-dong, YAN Ming-cai. THE PREPARATION OF GEOCHEMICAL SPECIATION CERTIFIED REFERENCE MATERIALS FOR MAIN SOIL TYPES OF CHINA. Geophysical and Geochemical Exploration, 2008, 32(5): 492-496,508.
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