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dc.contributor.authorKarthikeyan, J.-
dc.contributor.authorParameshwara, P.-
dc.contributor.authorNityananda, Shetty, A.-
dc.contributor.authorShetty, P.-
dc.date.accessioned2020-03-31T08:35:21Z-
dc.date.available2020-03-31T08:35:21Z-
dc.date.issued2006-
dc.identifier.citationJournal of the Serbian Chemical Society, 2006, Vol.71, 3, pp.269-275en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/11599-
dc.description.abstractA complexometric method for the determination of mercury(II) in presence of other metal ions, based on the selective masking action of ethanethiol towards mercury(II) is described. Mercury(II) present in a given sample solution is first complexed with an excess of EDTA and the unreacted EDTA is titrated against zinc sulphate solution at pH 5-6 (hexamine buffer) using xylenol orange as the indicator. An excess of a 0.3 % solution of ethanethiol is then added to displace EDTA from the Hg(II)-EDTA complex. The released EDTA is titrated with a standard zinc sulphate solution. Reproducible and accurate results are obtained for 4-85 mg of mercury(II) with a relative error of less than 0.46 % and coefficient of variation of not more than 0.47 %. The effects of the presence of various ions were studied. The method can be used for the analysis of mercury in its synthetic alloy mixtures and also in complexes.en_US
dc.titleIndirect complexometric determination of mercury(II) in synthetic alloys and complexes using ethanethiol as a selective masking agenten_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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