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dc.contributor.authorKarthikeyan, J.-
dc.contributor.authorParameshwara, P.-
dc.contributor.authorShetty, A.N.-
dc.date.accessioned2020-03-31T08:35:21Z-
dc.date.available2020-03-31T08:35:21Z-
dc.date.issued2008-
dc.identifier.citationIndian Journal of Chemical Technology, 2008, Vol.15, 5, pp.493-496en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/11603-
dc.description.abstractA complexometric method for the determination of mercury(II) in presence of other metal ions is described based on the selective masking action of 3-acetyl-2-thiohydantoin towards mercury(II). Mercury(II) present in a given sample solution is first complexed with an excess of EDTA and the unreacted EDTA is titrated against standard lead nitrate solution at pH 5-6 (hexamine buffer) using xylenol orange as the indicator. A 0.5% solution of 3-acetyl-2- thiohydantoin is then added to displace EDTA from the Hg(II)-EDTA complex. The released EDTA is estimated. Reproducible and accurate results are obtained for 3.96-80 mg of mercury(II) with relative error less than 0.25% and coefficient of variation not more than 0.38%. The effects of various ions were studied. The method is used or the analysis of mercury in its synthetic mixtures of ions and in complexes.en_US
dc.titleIndirect complexometric determination of mercury(II) using 3-acetyl-2-thiohydantoin as a selective masking agenten_US
dc.typeArticleen_US
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