微波消解—电感耦合等离子体发射光谱法同时测定生物样品中12种元素的方法

肖细炼, 刘杰, 魏立, 陈燕波, 杨小丽, 杨红梅

Simultaneous determination of 12 elements in biological samples using microwave digestion and inductively coupled plasma-optical emission spectrometry

XIAO Xi-Lian, LIU Jie, WEI Li, CHEN Yan-Bo, YANG Xiao-Li, YANG Hong-Mei

表3 标准物质各元素含量及校准曲线方程

Table 3 Contents of elements in reference materials and calibration curve equation

元素 标准物质含量/10-6 校准曲线方程 线性相关系数r GBW10014 GBW10023 GBW07604 GBW07602 Al 166 4900 1040 2140 y=34.19x+5.49 0.9997 Fe 98 1450 274 1020 y=419.96x+0.81 0.9998 Mg 2410 4000 6500 2870 y=439.13x+153.11 0.9996 Ca 700 1530 18100 22200 y=41846.75x+1526.05 0.9997 Na 10900 15500 200 11000 y=1900.91x+3174.82 0.9998 K 15500 33600 13800 8500 y=342.86x-11.92 0.9997 Mn 18.7 68.0 45.0 58.0 y=65343.68x+16.20 0.9999 P 4600 5850 1680 830 y=182.06x+1.42 0.9998 Ti 9.0 92.0 20.4 95.0 y=1605.31x+0.51 0.9995 Ba 12.0 10.4 26.0 19.0 y=28015.95x+122.45 0.9997 Sr 48 24 154 345 y=38969.35x+0.57 1.0000 Zn 26.0 28.0 37.0 20.6 y=14972.49x+39.51 0.9997