The determination of trace uranium and thorium by cascade pair counting

Huhou Li

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The determination of trace uranium and thorium by cascade pair counting

更新时间：2022-08-16

- The determination of trace uranium and thorium by cascade pair counting
- Nuclear Techniques Vol. 05, Issue 5, (1982)
- 作者机构：
  
  中国社会科学院考古研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：24 April 1981，
  
  Published：1982-10
- 稿件说明：
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Huhou Li. The determination of trace uranium and thorium by cascade pair counting[J]. Nuclear techniques, 1982, 05(5): 44-45.
DOI：

Huhou Li. The determination of trace uranium and thorium by cascade pair counting[J]. Nuclear techniques, 1982, 05(5): 44-45. DOI：

摘要

陶器和瓷器中所含铀和钍的量在大多数情况下是很少的，针对这一特点，选用级联α-对法测定微量铀和钍。方法的优点是简便易行，用无限厚源，制样比较简单；探测元件采用ZnS屏，加上一套测定α-粒子的装置，要求它能够区分总的α-计数和级联α-计数。

Abstract

The alpha emiter

216

Po has a half life of only 0.15 seconds comes immediately from

220

Rn. The number of cascade pairs was counted by a special equipment and the cascade pairs counting rate thus obtained was served as a measure of the thorium contents in the sample. The validity of results was comfirmed.

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references

Teh-Lung Ku , Ann. Rev. Earth and Planetery Sciences , 4 , 347 （ 1976 ）.

R. C. Turner et al . , Brit. J. Radiol . , 31 , 368 , 397 （ 1958 ）.

D. J. Huntley and A. G. Wintle , The use of α-scitillation counting for measuring 250 Tb and 231 Pa contents of ocean sediments, Simon Fraser University （1979） , PACT , 2 , 1978 , p. 115 .

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