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A simple and rapid method for analyzing radon in coastal and ground waters using a radon-in-air monitor.

Abstract：

:We have developed a simple and portable technique for measuring moderately high levels of 222Rn (t1/2=3.8d) in natural waters such as coastal water, groundwater, and river water. The water sample is carefully collected in a glass bottle, and the sample bottle is connected to a radon-in-air monitor in a closed air-loop mode. By purging air through the sample, radon is emanated from the water until a chemical equilibration is obtained between the two phases. The radon in the air loop is determined using the radon-in-air monitor. Then, the radon in water is calculated by a radon-partitioning factor between water and air for a measured water temperature. This technique is especially convenient for determination of 222Rn in natural waters on field sites, since it eliminates the preparation of He gas, cold traps, and alpha-scintillation cells and counter, which are required for traditional radon emanation methods.

journal_name

J Environ Radioact

journal_title

Journal of environmental radioactivity

authors

Lee JM,Kim G

doi

10.1016/j.jenvrad.2006.05.006

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

219-28

issue

3

eissn

0265-931X

issn

1879-1700

pii

S0265-931X(06)00087-7

journal_volume

89

pub_type

杂志文章

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