The determination of protactinium by coprecipitating with organic precipitate and re extracting

Hongqi Yin; Guanlian Jin; Jiwen Cao

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The determination of protactinium by coprecipitating with organic precipitate and re extracting

更新时间：2022-08-16

- The determination of protactinium by coprecipitating with organic precipitate and re extracting
- Nuclear Techniques Vol. 05, Issue 4, (1982)
- 作者机构：
  
  北京铀矿地质研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：04 May 1980，
  
  Published：1982-08
- 稿件说明：
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Hongqi Yin, Guanlian Jin, Jiwen Cao. The determination of protactinium by coprecipitating with organic precipitate and re extracting[J]. Nuclear techniques, 1982, 05(4): 7-11,16.
DOI：

Hongqi Yin, Guanlian Jin, Jiwen Cao. The determination of protactinium by coprecipitating with organic precipitate and re extracting[J]. Nuclear techniques, 1982, 05(4): 7-11,16. DOI：

摘要

在6

盐酸体系中，钽试剂与Ti（Ⅳ）生成黄色沉淀，可定量载带Pa（Ⅴ）。将沉淀溶于1%钽试剂—氯仿中，再用0.25

F溶液从有机相中反萃取，即可得放化纯的Pa。取反萃液制源测定α计数，从而计算出

231

Pa含量。

Abstract

A yellow precipitate

formed by adding BPHA (N-benzoyl-N-phenylhydroxylamine) into Ti (IV) solution containing trace amount of Pa (V)

can carry almost completely Pa (V) from 6 N hydrochloric acid. The precipitate is dissolved in 1% of BPHA in chloroform. By re-extracting with 0.25 M NH

F from the organic phase a good radiochemical purity can be obtained. The protactinium content is determined by counting activity.

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Keywords

references

D. A. Collins et al ., J. Inorg. Nucl. Chem ., 24 , 441 （ 1962 ）.

Б. Φ. Mясодов и др ., Ж.А.Х ., 18 , 596 （ 1963 ）.

NAS-NS 3016 .

A. E. Eлизарова и др ., Pадuoxuмия , 6 , 3 , 375 （ 1964 ）.

J. W. Arden , AERE - AM -90 .

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