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dc.contributor.authorParameshwara, P.-
dc.contributor.authorKarthikeyan, J.-
dc.contributor.authorShetty, A.N.-
dc.contributor.authorShetty, P.-
dc.identifier.citationJournal of the Iranian Chemical Society, 2006, Vol.3, 2, pp.168-172en_US
dc.description.abstractA simple, rapid and selective complexometric method is proposed for the determination of mercury(II). Mercury(II) and other related metal ions are first complexed with an excess of EDTA and the surplus EDTA is back-titrated with a standard lead nitrate solution at pH 5.0-6.0 (hexamine buffer) using xylenol orange as an indicator. A 0.2% solution of 2-thiazolinethiol in acetone is then added to displace EDTA from the Hg(II)-EDTA complex. The released EDTA is titrated with a standard lead nitrate solution as before. Reproducible and accurate results are obtained in the range of 0.8 g 1-1 15.8 g -1 of mercury with a relative error less than 0.25% and a coefficient of variation (n = 6) not higher than 0.28%. The interference of various ions was studied and the method was employed for the analysis of mercury in its synthetic alloy mixtures and in complexes.en_US
dc.titleQuantitative complexometric determination of mercury(II) in synthetic alloys and complexes using 2-thiazolinethiol as a masking agenten_US
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