锆石Hf同位素组成的LA-MC-ICP-MS测定

被引:339
作者
耿建珍
李怀坤
张健
周红英
李惠民
机构
[1] 中国地质调查局天津地质矿产研究所
关键词
LA-MC-ICP-MS; 标准锆石; Hf同位素;
D O I
暂无
中图分类号
P597.3 [];
学科分类号
摘要
利用多接收器等离子体质谱仪(MC-ICPMS)和193nm准分子激光器联用技术,对GJ-1、Temora、91500和Mud Tank四个标准锆石的Hf同位素组成进行测试,并通过指数方法进行同质异位素干扰校正,测得它们的176Hf/177Hf比值分别为0.282006±24(n=159,2SD)、0.282684±46(n=20,2SD)、0.282305±32(n=20,2SD)和0.282509±25(n=48,2SD)。测定结果与文献报道的值在误差范围内一致。
引用
收藏
页码:1508 / 1513
页数:6
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