| 高精度Lu—Hf同位素测定的新技术与新方法 |
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| 引用本文： | 凌文黎,程建萍.高精度Lu—Hf同位素测定的新技术与新方法[J].地质科技情报,1998,17(3):85-90. |
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| 作者姓名： | 凌文黎 程建萍 |
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| 作者单位： | 中国地质大学 |
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| 摘 要： | 综述了Ｌｕ－Ｈｆ同位素体系的基本地质地球化学特征，对比了Ｌｕ－Ｈｆ同位素现有的分析方法，并介绍了包括化学流程在内的应用多接收器双耦合等离子体质谱仪（ＭＣ－ＩＣＰ－ＭＳ）进行高精度和高准确度，Ｌｕ－Ｈｆ同位素分析的原理和测试过程，列举了部分最新地质应用成果。
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| 关 键 词： | 新技术 化学分离 地质应用 镥 铪 同位素测定 |
NEW METHOD AND NEW TECHNIQUE FOR THE HIGH PRECISION CHRONOLOGY OF Lu Hf ISOTOPES |
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| Ling Wenli,Cheng Jianping.NEW METHOD AND NEW TECHNIQUE FOR THE HIGH PRECISION CHRONOLOGY OF Lu Hf ISOTOPES[J].Geological Science and Technology Information,1998,17(3):85-90. |
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| Authors: | Ling Wenli Cheng Jianping |
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| Abstract: | This paper introduces a new analytical method of Lu Hf isotopes using MC ICP MS as well as its optimized chemical treatment.After a brief summary on the basic geochemical features of Lu Hf isotopic system,the available analytical methods of Lu Hf isotope are summarized and compared.Then the dominant characteristics and principles of MC ICP MS along with a special designed chemical preparation of Lu Hf separation are illustrated in detail,an application example from Alps orogenic belt is introduced also. |
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| Keywords: | Lu Hf isotopic system new method and new technique MC ICP MS chemical separation geological application |
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