Measurement of radium and radon in water using a combination technique of radon-emanation and pair-measurements methods

被引：5

作者：

Lee, Kil-Yong ^{[1
]}

Ko, Kyung-Seok ^{[1
]}

机构：

[1] Korea Inst Geosci & Mineral Resources, Geol Environm Res Div, 124 Gwahak Ro, Daejeon 34132, South Korea

来源：

APPLIED RADIATION AND ISOTOPES | 2021年 / 178卷

关键词：

Radium and radon; Simultaneous analysis; Radon-emanation; Pair-measurements; Combination technique; SUBMARINE GROUNDWATER DISCHARGE; PLASMA-MASS SPECTROMETRY; RA-226; ISOTOPES; RADIOACTIVITY; COEFFICIENT; SAMPLES;

D O I：

10.1016/j.apradiso.2021.109950

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Since Rn-222 is continuously generated by the decay of Ra-226, it is difficult to analyze Rn-222 in water containing Ra-226. To analyze Ra-226, a large amount of water is passed through a manganese fiber column to adsorb radium, and then radium delayed coincidence counting or gamma-ray spectroscopy is performed approximately four weeks later. A combination technique of radon-emanation and pair-measurement was tested to analyze Ra-226 and Rn-222 in water. Ra-226 and Rn-222 were accurately analyzed within approximately 8 d.

引用

页数：5

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