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地质通报  2011 

锆石Hf同位素组成的LA-MC-ICP-MS测定

, PP. 1508-1513

Keywords: LA-MC-ICP-MS,标准锆石,Hf同位素

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Abstract:

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MudTank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。

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