中国成年男子肺肝肾中15种超微量稀土元素的ICP-MS测定研究

Determination of 15 Micro-quantity Rare Earth Elements in Lung,Liver and Kidney for Chinese Adult Man by ICP-MS

在我国四个不同膳食类型地区,采集16例急死正常成年男子尸体的肺肝肾样品。样品经HNO_3+ HClO_4湿法消解后,以Re作为内标元素,直接用ICP-MS法测定人体肺肝肾中15种微量稀土元素。对国家一级标准物质人发GBW09101a分析,测得值与标准值吻合。

Human lung,liver and kidney samples were obtained in autopsy from 16 subjects died suddenly, Who were healthy, normal before death and lived in 4 different areas with different dietary types in China. The sampies were wet digested by HNO3 ＋ HClO4 before determination. The solution was directly amalyzed by ICP - MS for the determination of Sc, Y, La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er,Tm, Yb and Lu in human lung,liver and kidney with rhenium internal calibration. Certified reference material of human hair GBW09101 a was analysed by the described method. The results showed closed agreement with the reference values.