Document Detail


Assessment of groundwater corrosiveness for unconfined aquifer system at Kalpakkam.
MedLine Citation:
PMID:  18205023     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Groundwater samples from the shallow unconfined aquifer were collected from fifteen borewells in Kalpakkam nuclear plant site and were analysed for various physico-chemical parameters. The pH, temperature, salinity, TDS and EC were measured in the field. The borewell samples were analysed in the laboratory for Ca(2+), Mg(2+), Na(+), Cl(-), CO(2-)(3), HC(O-)(3), N(O-)(3) and SO(2-)(4). The Piper Trilinear diagram showed that majority of the borewell samples fall in Na - Cl +SO(4) type and Na - CO(3)+HCO(3) type. The Cl: HCO3 ratio of some borewell samples are categorized under injuriously contaminated to highly injurious type. The higher salinity levels encountered in some borewells emphasized the need for better understanding of groundwater corrosiveness. Accordingly, the Langeliar saturation Index (SI), Aggressivity index (AI) and Larson ratio (LnR) were evaluated for assessing the corrosive nature of the groundwater. The saline water incursion in the southern part of the study area increased the ionic concentration of Cl(-) and [Formula: see text] that made the groundwater corrosive.
Authors:
P Sasidhar; S B Vijay Kumar
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-01-17
Journal Detail:
Title:  Environmental monitoring and assessment     Volume:  145     ISSN:  0167-6369     ISO Abbreviation:  Environ Monit Assess     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-09-08     Completed Date:  2009-01-02     Revised Date:  2009-05-11    
Medline Journal Info:
Nlm Unique ID:  8508350     Medline TA:  Environ Monit Assess     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  445-52     Citation Subset:  IM    
Affiliation:
Safety Research Institute, Atomic Energy Regulatory Board, Kalpakkam 603102, India. sasidhar@igcar.gov.in
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MeSH Terms
Descriptor/Qualifier:
Corrosion*
India
Water / chemistry*
Chemical
Reg. No./Substance:
7732-18-5/Water

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