High background radiation places and spatial distribution of uranium in groundwater of monazite placer deposit in Kanniyakumari district, Tamil Nadu, India

被引：11

作者：

Raja, V ^{[1
]}

Sahoo, Sunil Kumar ^{[2
]}

Sreekumar, K. ^{[3
]}

Neelakantan, M. A. ^{[1
]}

机构：

[1] Natl Engn Coll, Chem Res Ctr, Kovilpatti 628503, Tamil Nadu, India

[2] Bhabha Atom Res Ctr, Hlth Phys Div, Mumbai 400085, Maharashtra, India

[3] Indian Rare Earth Ltd, Hlth Phys Unit, Manavalakurichi 629252, Tamil Nadu, India

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 328卷 / 03期

关键词：

Dose assessment; Monazite deposits; Saturation Index; Uranium in groundwater; Water Quality Index; KANYAKUMARI DISTRICT; DRINKING-WATER; QUALITY; CONTAMINATION; MECHANISMS;

D O I：

10.1007/s10967-021-07727-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The present investigation deals with gamma radiation survey and analysis of uranium in groundwater samples collected from the Kanniyakumari district. It reveals that gamma dose rate varies from 58 to 3880 nSv/h (mean 276 nSv/h) and uranium concentration varies from <= 0.2 to 10 mu g/L (median 0.4 mu g/L) in the pre-monsoon and <= 0.2 to 14.9 mu g/L (median 0.2 mu g/L) in the post-monsoon seasons. The present study shows that Manavalakurichi and Indranagar junctions have high background radiation due to the monazite placer deposits. The alkaline and reductive nature of groundwater minimizes the leaching of uranium from these monazite placer deposits.

引用

页码：925 / 939

页数：15

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