熔融制样—X射线荧光光谱法测定小取样量地球化学样品中的主量元素

赵红坤, 郝亚波, 田有国, 高祥照, 刘亚轩

The application of melting sample preparation-X ray fluorescence spectrometry to measuring a small amount of soil certified reference material

Hong-Kun ZHAO, Ya-Bo HAO, You-Guo TIAN, Xiang-Zhao GAO, Ya-Xuan LIU

表4 校准曲线线性范围及相关系数

Table 4 Calibration linear range and the correlation coefficient

组分 线性范围 校准曲线相关系数r SiO2 32.69~88.89 0.9973 Al2O3 2.84~29.26 0.9993 TFe2O3 1.46~18.76 0.9999 MgO 0.12~3.4 0.9998 CaO 0.1~8.27 1.0000 Na2O 0.039~8.99 0.9997 K2O 0.125~4.31 0.9996 Mn 218~1780 09989 P 166~1520 09979 Ti 1270~20200 0.9997