ASSESSMENT OF HEAVY METAL CONCENTRATIONS IN PHYSICOCHEMICAL QUALITIES OF WATER, SEDIMENTS AND FISH FROM PERIYAR RIVER, KERALAP. NIMISHA AND S. SHEEBAAbstract The present study focuses on the lower reaches of the River Periyar which is highly polluted area. Water samples, sediment samples and Fish samples were taken for physico chemical analysis and heavy metals study for the period of January 2009 to December 2009 at four different stations of the river. Water quality parameters like Transparency, Temperature, pH , Dissolved oxygen, Carbon-dioxide, Alkalinity, Salinity, Nitrite, Nitrate, Phosphate, Silicate and Ammonia; the concentration of five heavy metals Viz. cadmium, copper, lead, zinc and chromium was studied during the period.
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