On the preparation of efficiency calibration standards for gamma-ray spectrometers

被引:14
作者
Taskaeva, M [1 ]
Taskaev, E [1 ]
Penev, I [1 ]
机构
[1] KOZLODUY NPP,KOZLODUY,BULGARIA
关键词
D O I
10.1016/S0969-8043(96)00096-6
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A procedure for preparation of low-activity efficiency calibration standards in different geometries and having different densities for gamma-ray spectrometers has been developed. Natural organic and inorganic materials are used as matrices. The densities of the matrices used vary from 0.4 to 1.5 g/cm(3). The activity distribution homogeneity in the matrix after preparation and after using them for 9 months was studied. The matrix stability to settling down and selfgrinding in the process of continued usage is examined. The standards have been prepared using certified mixed-nuclide gamma-ray standard solutions, containing Am-241, Cd-109, Ce-139, Co-57, Co-60, Cs-137, Hg-203, Sn-113, Sr-85 and Y-88 and mono-nuclide solution containing (210)pb from EUROSTANDARD, traceable to the Czech Metrological Institute. Copyright (C) 1996 Elsevier Science Ltd.
引用
收藏
页码:981 / 990
页数:10
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