Development of a neutron-activated concrete powder reference material

被引：17

作者：

Harms, Arvic ^{[1
]}

Gilligan, Chris ^{[1
]}

机构：

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

来源：

APPLIED RADIATION AND ISOTOPES | 2010年 / 68卷 / 7-8期

关键词：

Reference material; Neutron-activated concrete powder; Gamma-emitting radionuclides; Comparison; Homogeneity; Stability; TRITIUM;

D O I：

10.1016/j.apradiso.2009.11.031

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

In this paper, the development of a neutron-activated concrete powder reference material is described The material originated from core samples taken from a concrete bioshield of a decommissioned nuclear reactor which ceased operation almost 30 years ago after approximately 20 years of operation The assigned values, which were in the Bqg(-1) range, for the radionuclides in the material were determined by a 'consensus' method from measurements made by 33 organisations from 15 countries The measurements were made within a wider test exercise (the NPL Environmental Radioactivity Proficiency Test Exercise 2008). Assigned specific activity values were obtained for (60)Co, (133)Ba, (152)Eu and (154)Eu and indicative values were obtained for (3)H (total), (3)H (leachable), (14)C, (40)K, (55)Fe and (63)Ni. Crown Copyright (C) 2009 Published by Elsevier Ltd All rights reserved.

引用

页码：1471 / 1476

页数：6

共 12 条

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