Assay of an alpha solid waste drum using passive neutron counting

被引：0
|
作者：
Sivakumar, P. [1 ]
Govindan, P. [1 ]
Ananthasivan, K. [1 ]
机构：
[1] Indira Gandhi Ctr Atom Res, Reproc Grp, Kalpakkam 603102, Tamil Nadu, India
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2022年 / 331卷 / 09期
关键词：
Drum monitoring; Alpha waste; Passive neutron counting; NONDESTRUCTIVE ASSAY; SYSTEM;
D O I：
10.1007/s10967-022-08400-3
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A passive neutron based assaying system for plutonium bearing solid wastes has been designed and developed. The assaying of the plutonium in the drum containing the wastes is determined by as positioned and by rotating the drum to 180 degree and average counts are obtained. The average counts were used for deriving the counting statistics. This system was calibrated with plutonium typically obtained in fast reactor fuel reprocessing facilities with known isotopic compositions. The minimum detection limit has been estimated to be 35 mg. It has been determined that a gamma background of up to 2000 mR/h can be tolerated without loss of accuracy.
引用
收藏
页码：3857 / 3864
页数：8
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