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首页> 外文期刊>Geochemical Journal >Evaluation of a rapid,effective sample digestion method for trace element analysis of granitoid samples containing acid-resistant minerals: Alkali fusion after acid digestion
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Evaluation of a rapid,effective sample digestion method for trace element analysis of granitoid samples containing acid-resistant minerals: Alkali fusion after acid digestion

机译:评估一种快速有效的样品消解方法,以分析含有耐酸性矿物的花岗岩样品中的痕量元素:酸消解后的碱熔

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摘要

Alkali fusion after acid digestion method (AFAD) was used for determination by ICP-MS of twenty-five trace elements (Rb, Sr,Y, Zr,Nb, Cs, Ba, Hf,Pb, Th,U, and rare earth elements) in four silicate reference materials (JG-la, JG-2, and JG-3 granitoids and JB-2 basalt) from the Geological Survey of Japan (GSJ). Results were compared with those obtained by acid digestion (AD) method. Our results are in excellent agreement with previously reported data obtained by fusion methods. The reproducibility of replicate analyses is better than 5% (1 σ) for all the elements, except Rb, Cs, and Pb in JG-2.
机译:ICP-MS采用酸消解法(AFAD)后的碱熔法测定了25种微量元素(Rb,Sr,Y,Zr,Nb,Cs,Ba,Hf,Pb,Th,U和稀土元素)来自日本地质调查局(GSJ)的四种硅酸盐参考材料(JG-1a,JG-2和JG-3花岗岩和JB-2玄武岩)。将结果与通过酸消化(AD)方法获得的结果进行比较。我们的结果与以前通过融合方法获得的数据非常吻合。对于所有元素(JG-2中的Rb,Cs和Pb除外),重复分析的重现性均优于5%(1σ)。

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