Health risk assessment of fluoride with other parameters in ground water of Sikar city (India) |
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Authors: | Radhey Shyam and G S Kalwania |
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Institution: | (1) P. G. Department of Chemistry, S.K. Government College, Sikar, 332001, Rajasthan, India; |
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Abstract: | Geochemical processes are identified as controlling factors of groundwater chemistry, including chemical leaching and fluoride
contaminations. These geochemical processes are identified using characterization of the major physico-chemical parameters
of ground water from northern part of Sikar city. For this purpose, 15 ground water samples have collected and analyzed for
different water quality parameters, such as pH, EC, TDS, TH, TA, DO, calcium, magnesium, sodium, potassium, carbonate, bicarbonate,
chloride, nitrate, sulfate and fluoride with the help of standard methods recommended by American Public Health Association.
The analysis indicated that fluoride concentrations in four samples are at alarming state as compared to the World Health
Organization standards for drinking purposes, thereby suggesting the need for treatment and precautionary measures for use
of the particular ground water. The increased fluoride level in the ground water of Sikar city is due to the some geological
process such as dissolution of fluoride rich mineral (fluorspar) in the favorable environment. To classify the ground water
ability for different purposes various graphical plots like Piper tri-linear, Durov, Schoeller, Bar, Scatter diagrams have
been drawn. On the basis of physico-chemical, graphical and statistical analysis (Spearman’s Rank correlations), various dimension
of improving water quality for drinking purposes have also been suggested. |
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