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dc.contributor.authorShetty, P.-
dc.contributor.authorNityananda, Shetty, A.-
dc.date.accessioned2020-03-31T08:18:53Z-
dc.date.available2020-03-31T08:18:53Z-
dc.date.issued2004-
dc.identifier.citationIndian Journal of Chemical Technology, 2004, Vol.11, 2, pp.163-165en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/10306-
dc.description.abstractA selective complexometric method is described for the determination of mercury(II) using sodium metabisulphite as a masking reagent. An excess of EDTA is added to mercury(II) solution containing associated diverse metal ions and the surplus EDTA is back titrated at pH 5-6 (hexamine buffer) with standard zinc sulphate solution using xylenol orange as indicator. An aqueous solution of sodium metabisulphite is then added to displace EDTA selectively from Hg-EDTA complex and the released EDTA is then titrated against the same standard zinc sulphate solution. Reproducible and accurate results are obtained in the range 4-100 mg of mercury with a relative error ? 0.26% and coefficient of variation ?0.40%. The method is useful for the analysis of mercury in complexes and alloy samples.en_US
dc.titleComplexometric method for the determination of mercury using sodium metabisulphite as selective masking reagenten_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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