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Title: | Complexometric determination of mercury(II) by use of 4-amino-5-mercapto-3-propyl-1,2,4-triazole as replacing reagent |
Authors: | Gadiyar, H.R.A. Gadag, R.V. Gajendragad, M.R. |
Issue Date: | 1982 |
Citation: | Talanta, 1982, Vol.29, 11 SUPPL. 1, pp.941-942 |
Abstract: | A simple, rapid, and selective complexometric method is proposed for the determination of mercury(II). Mercury(II) is first complexed with excess of EDTA and the surplus EDTA is back-titrated (pH 5-6) with zinc sulphate solution, with Xylenol Orange as indicator. 4-Amino-5-mercapto-3-propyl-1,2,4-triazole is then added to displace EDTA from the Hg-EDTA complex and the released EDTA is titrated with zinc sulphate solution. Reproducible and accurate results are obtained in the range 1-40 mg of mercury, with a relative error of approximately 0.4%. 1982. |
URI: | http://idr.nitk.ac.in/jspui/handle/123456789/10297 |
Appears in Collections: | 1. Journal Articles |
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