Causes for Variation in Bromide Concentration in Groundwater of a Granitic aquifer[/b][b][/b]
Journal Title: International Journal of Research in Chemistry and Environment (IJRCE) - Year 2013, Vol 3, Issue 2
Abstract
Groundwater quality is an important criterion to decide its use for domestic, agricultural and industrial use. This study was carried out with an aim to understand the spatiotemporal variation and sources of bromide in groundwater of a granitic formation in a part of Nalgonda district, Andhra Pradesh, India. Groundwater samples were collected from 46 wells every two months from March 2008 to January 2010. The bromide concentration in groundwater varied from below detection limit to 5.48 mg/l with an average of [/i]0.4 mg/l. Based on the acceptable daily intake of 6 mg/l of bromide by humans as given by World Health Organisation, the groundwater is safe for consumption. But based on the toxicity data from literature and the groundwater quality criterion of 1 mg/l, 8.27% of the groundwater samples were above the limit. Average bromide concentration of 3.07 mg/kg was measured in the five fertiliser samples collected from this area.[b] [/b]The sources of bromide in this region vary from the granitic rocks to fertilisers.[/i][i] [/i]
Authors and Affiliations
Brindha K , Elango L
Keywords
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