Indirect monitoring of internal exposure in the decommissioning of a nuclear power plant in Spain

被引：14
|
作者：
Robredo, LM [1 ]
Navarro, T [1 ]
Sierra, I [1 ]
机构：
[1] CIEMAT, Internal Dosimetry, E-28040 Madrid, Spain
来源：
APPLIED RADIATION AND ISOTOPES | 2000年 / 53卷 / 1-2期
关键词：
plutonium; americium; indirect bioassay; internal dosimetry;
D O I：
10.1016/S0969-8043(00)00151-2
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The experimental procedure used for the indirect measurement of internal exposure of workers involved in the first step of the decontamination of a nuclear power plant which is being decommissioned is presented. The establishment of decontamination and decommissioning programs is currently in progress at the nuclear power plant and monitoring procedures to assess workers' exposure have also been implemented. Due to the presence of transuranics, the monitoring program includes the analysis of excreta samples. An analytical method for the determination of plutonium (Pu) and americum (Am) in urine samples was developed. The radiochemical separation is based on the coprecipitation of transuranics and sequential isolation of Pu and Am by anion exchange and extraction chromatography. Finally, electrodeposited sources are prepared and counted by alpha-spectrometry. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：345 / 350
页数：6
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