Direct recoil radon emanation from crystalline phases.: Influence of moisture content

被引：46

作者：

Barillon, R ^{[1
]}

Özgümüs, A

Chambaudet, A

机构：

[1] Inst Rech Subatom, F-67037 Strasbourg, France

[2] UFR Sci & Tech, Lab Microanal Nucl, F-35030 Besancon, France

来源：

GEOCHIMICA ET COSMOCHIMICA ACTA | 2005年 / 69卷 / 11期

关键词：

D O I：

10.1016/j.gca.2004.11.021

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

This paper is devoted to the study of the radon emanation coefficient vs. water mass fraction for mineral samples. Modeling is performed considering only the direct recoil phenomena and assuming planar pores with high lengths-to-width aspect ratios. Water is assumed either to fill the pore alternatively with air or to form a continuous film on the pore surface. This modeling is applied to uranium mine tailings for which the pore size distribution was experimentally measured. It enables a good description of the change of the experimental radon emanation coefficients with the moisture content of the studied samples. Copyright (c) 2005 Elsevier Ltd.

引用

页码：2735 / 2744

页数：10

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