A simple method for activity determination of 134Cs and 137Cs in foodstuffs using NaI(Tl) scintillation spectrometer

被引：5
|
作者：
Yamada, T. [1 ]
Ishizu, H. [1 ]
Kawada, Y. [2 ]
机构：
[1] Japan Radioisotope Assoc, Bunkyo Ku, Tokyo 1138941, Japan
[2] Natl Inst Adv Ind Sci & Technol, Natl Metrol Inst Japan, Tsukuba, Ibaraki 3058568, Japan
来源：
APPLIED RADIATION AND ISOTOPES | 2013年 / 81卷
关键词：
Peak fitting technique; Peak area; Overlapping peaks; Least-squares fitting;
D O I：
10.1016/j.apradiso.2013.03.048
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A simplified peak fitting technique for the analysis of the overlapped pulse-height spectra of Cs-134 and Cs-137 gamma-rays obtained with a NaI(Tl) scintillation spectrometer was studied. In this analysis, nearly an upper half of 662 keV Cs-137 peak data was employed for fitting of the Gaussian peak using the least squares algorithm. Consistent results were obtained as compared with the reference value of test samples mixed with Cs-134 and Cs-137 standard solutions. (C) 2013 Elsevier Ltd. All rights reserved.
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页码：353 / 355
页数：3
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