The determination of Th and U by the extraction-liquid scintillation-α spectrtum analysis method

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The determination of Th and U by the extraction-liquid scintillation-α spectrtum analysis method

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- The determination of Th and U by the extraction-liquid scintillation-α spectrtum analysis method
- NUCLEAR TECHNIQUES Issue 1, (1994)
- 作者机构：
  
  中国科学院上海原子核研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： O657.62
- Published：01 January 1994
- 稿件说明：
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[1]何蔚瑜,李易好.用萃取液闪α谱分析法测定样品中的钍铀含量[J].核技术,1994(01):47-50.

The determination of Th and U by the extraction-liquid scintillation-α spectrtum analysis method[J]. Nuclear techniques, 1994, (1).
[1]何蔚瑜,李易好.用萃取液闪α谱分析法测定样品中的钍铀含量[J].核技术,1994(01):47-50. DOI：

The determination of Th and U by the extraction-liquid scintillation-α spectrtum analysis method[J]. Nuclear techniques, 1994, (1). DOI：

摘要

介绍了采用萃取液问与α谱分析相结合的方法来测定样品中的钍铀含量。结果表明：该法制样简便，对α粒子的探测效率为９８％，分析误差小于士５％，本底计数小于１０ｃｐｍ，最小可探测的样品量为５ｍｇ／Ｌ．

Abstract

A method for assaying Th and U by mixing extyaction agent and liquid scintillation combined with α spectrum analysis was introduced. The method has such advantages as simple sample preparation

high detection efficiency for α- particles（～ 98%） and low background counting（< 10 cpm）. The analytical error and the detection limit is < 5% and 5mg/l respectively.

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