Isolation and purification of protactinium-231

被引：15

作者：

Jerome, S. M. ^{[1
]}

Collins, S. M. ^{[1
]}

Happel, S. ^{[2
]}

Ivanov, P. ^{[1
]}

Russell, B. C. ^{[1
]}

机构：

[1] Natl Phys Lab, Teddington TW11 OLW, Middx, England

[2] Triskem Int, F-35170 Bruz, France

来源：

APPLIED RADIATION AND ISOTOPES | 2018年 / 134卷

关键词：

Protactinium; Extraction chromatography; Nuclear forensics; Radiochronometry; URANIUM;

D O I：

10.1016/j.apradiso.2017.07.051

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Protactinium-231 is one of the lesser known actinides, yet the measurement of this radionuclide is central to dating studies in both paleoclimate and nuclear forensics measurements; furthermore, it is important as the immediate parent nuclide of the Ac-227 decay chain. In this paper, we present the preparatory work for an upcoming CCRI(II) supplementary comparison of this radionuclide. The material used in this work was of poorly known provenance, and it was necessary to carry out a chemical purification of this material prior to use. A new extraction chromatography resin, TIC 400, which has been developed for the separation of Pa-231, was tested at NPL. The aims of the work were achieved; the recovery of Pa-231 was similar to 85%, the decay products were recovered in good yield (similar to 95%) and stable element impurities were removed.

引用

页码：18 / 22

页数：5

共 7 条

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