Secondary standardisation of 95mTc

被引：6

作者：

Harms, A ^{[1
]}

Baker, M ^{[1
]}

Jerome, SM ^{[1
]}

Pearce, AK ^{[1
]}

Woods, MJ ^{[1
]}

Woods, SA ^{[1
]}

机构：

[1] Natl Phys Lab, Teddington TW11 0LW, Middx, England

来源：

APPLIED RADIATION AND ISOTOPES | 2004年 / 60卷 / 2-4期

关键词：

technetium; niobium; Tc-95m; secondary standardisation; gamma-ray spectrometry; ionisation chamber;

D O I：

10.1016/j.apradiso.2003.11.076

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The radionuclide Tc-95m, which has a half-life of 61(2)days and emits a number of gamma-rays, may be used in radiochemical analysis as a yield tracer for the long-lived fission product Tc-99. In this work, we present (i) the production of Tc-95m via an (alpha, 2n) reaction with stable Nb-93 (a method which does not result in the production of any Tc-97m, Tc-98 or Tc-99), (ii) the chemical separation of Tc-95m from niobium via coprecipitation, liquid-liquid extraction and liquid chromatography, and (iii) the secondary standardisation of Tc-95m with high-resolution gamma-ray spectrometry and an ionisation chamber system. Crown Copyright (C) 2003 Published by Elsevier Ltd. All rights reserved.

引用

页码：553 / 555

页数：3

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