Disequilibrium of 226Ra, 210Pb, and 210Po in groundwater and soil around the Singhbhum region of Jharkhand, India

被引：4
|
作者：
Molla, Samim [1 ]
Jha, S. K. [1 ,2 ]
Rana, B. K. [1 ,2 ]
Kulkarni, M. S. [1 ,2 ]
机构：
[1] Bhabha Atom Res Ctr, Div Hlth Phys, Mumbai 400085, Maharashtra, India
[2] Homi Bhabha Natl Inst, Mumbai 400094, Maharashtra, India
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 330卷 / 03期
关键词：
Ra-226; Pb-210; Po-210; Disequilibrium; Groundwater; Soil; URANIUM-MINE; SHEAR ZONE; RADIONUCLIDES; WATER; MOBILIZATION; POLONIUM; THORIUM; RADIUM; PLANTS;
D O I：
10.1007/s10967-021-08055-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Groundwaters and soils were analyzed to examine the equilibrium state of natural U-238 decay products (Ra-226, Pb-210, and Po-210) around the Singhbhum region, Jharkhand, India. Activity ratios of Pb-210/Ra-226, Po-210/Pb-210, and Po-210/Ra-226 in groundwater and soil indicate disequilibrium in both the matrices. The contour map of the radionuclides indicated heterogeneous distribution in the study area. Disequilibrium arises due to the high diffusion rate of Rn-222 from bedrock to the groundwater and subsequent production of Pb-210 and Po-210 in the aquifer, and high deposition rate of radon decay products on the soil.
引用
收藏
页码：1243 / 1254
页数：12
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