Measurement of krypton-85 in water by absorption in polycarbonates

被引：12
|
作者：
Mitev, K. [1 ]
Pressyanov, D. [1 ]
Dimitrova, I. [1 ]
Georgiev, S. [1 ]
Boshkova, T. [1 ]
Zhivkova, V. [2 ]
机构：
[1] St Kliment Ohridski Univ Sofia, Dept Atom Phys, Sofia 1164, Bulgaria
[2] Kozloduy NPP, Dept Radiochem, Kozloduy 3320, Bulgaria
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 603卷 / 03期
关键词：
(85)Kr; Krypton in water; polycarbonates; Makrofol; Makrolon; MAKROFOL; RN-222;
D O I：
10.1016/j.nima.2009.02.027
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This article describes a method for quantitative measurements of (85)Kr in water by absorption in polycarbonates. The method is based on exposure of polycarbonate samples in water and uses the high absorption ability to noble gases of some polycarbonates like Makrofol(R) and Makrolon(R) for sampling (85)Kr from the water. After the exposure, the radiation emitted from the samples is measured by gross beta counting or gamma spectrometry. The results from the conducted experiments demonstrate a very good linear correlation between the measured signal and the activity concentration of (85)Kr in the water. A possible practical application of the method is to monitor (85)Kr concentration in water in at-reactor pools and wet spent fuel storage facilities. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：491 / 494
页数：4
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