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dc.contributor.authorParameshwara, P.-
dc.contributor.authorKarthikeyan, J.-
dc.contributor.authorShetty, A.N.-
dc.contributor.authorShetty, P.-
dc.date.accessioned2020-03-31T08:35:21Z-
dc.date.available2020-03-31T08:35:21Z-
dc.date.issued2005-
dc.identifier.citationIndian Journal of Chemical Technology, 2005, Vol.12, 6, pp.727-729en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/11600-
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 1-propane thiol 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 lead nitrate solution at pH 5-6 (hexamine buffer) using xylenol orange as the indicator. A 0.8% aqueous solution of 1-propane thiol is then added to displace EDTA from the Hg(II)-EDTA complex. The released EDTA is titrated with standard lead nitrate solution as before. Reproducible and accurate results are obtained for 4-85 mg of mercury(II), with relative error less than 0.23% and coefficient of variation not more than 0.41%. The effects of various ions were studied. The method is used for the analysis of mercury(II) in its synthetic alloy mixtures and also in complexes.en_US
dc.titleIndirect complexometric determination of mercury(II) using 1-propane thiol (PT) as a selective masking agenten_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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