A comparative study of hexavalent chromium estimation in drinking water by direct aspiration method and chelation extraction method Online publication date: Fri, 22-Feb-2019
by Mayur Panchal; Sandip Kumar Ghosh; Vincent Joaquim Braganza
International Journal of Environmental Technology and Management (IJETM), Vol. 21, No. 3/4, 2018
Abstract: With the development of industries, an increase in the discharge of toxic effluent has been observed which causes detrimental effects on living creatures and the environment. This study is mainly focused on estimation methods of hexavalent chromium in drinking water samples and their comparison. The study area is the state of Gujarat in India, and touches South Gujarat where industries have proliferated. In the present work, a comparative study has been done using two different methods for the estimation of hexavalent chromium in drinking water. The results show that chelation extraction method (CEM) is better as compared to direct aspiration method (DAM). Furthermore, we have established that the hexavalent chromium content in drinking water samples collected from the South Gujarat area is several folds higher as compared to the permissible limits suggested by Public Health Goal which is 0.02 ppb.
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