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锆石Hf同位素组成的LA-MC-ICP-MS测定 被引量:237

Zircon Hf isotope analysis by means of LA-MC-ICP-MS
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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。 Hf isotopic compositions of four standard zircons,i.e.,GJ-1,Temora,91500 and Mud Tank,were analyzed using MCICPMS(Neptune) coupled with excimer laser ablation system(New Wave 193nm FX).The 176Hf/177Hf ratios obtained are 0.282006± 24(n=159,2SD) for GJ-1,0.282684±46(n=20,2SD) for Temora,0.282305±32(n= 20,2SD) for 91500,and 282509±25(n=48,2SD) for Mud Tank respectively.The results are in excellent agreement with the previously reported data.
出处 《地质通报》 CAS CSCD 北大核心 2011年第10期1508-1513,共6页 Geological Bulletin of China
基金 中国地质调查局项目<铪同位素测定标准物质的研制>(编号:1212010916068)
关键词 LA-MC-ICP-MS 标准锆石 HF同位素 LA-MC-ICP-MS standard zircon Hf isotope
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