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Journal of Chemistry
Volume 2013, Article ID 609590, 3 pages
Research Article

Recovery of Hg(0) from the Aqueous Hg(I/II) Present in Analyte Solution after Quantitative Determination of Iron

1Department of Chemistry, Utkal University, Orissa, Bhubaneswar 751 004, India
2Department of Chemistry, North Orissa University, Orissa, Baripada 757 003, India

Received 6 June 2012; Accepted 23 July 2012

Academic Editor: Carmen Cabrera-Vique

Copyright © 2013 Suman K. Giri and Nigamananda Das. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


An easy and feasible approach to recover HgCl2, used in quantitative determination of iron values, as Hg(0) was described. Both Hg(I) and Hg(II), present in the solution after quantitative determination of iron, was completely reduced to Hg(0) by the addition of aluminium chips in more slightly excess than the stoichiometric amount. The purity of recovered Hg(0) was verified by comparing the value of density with pure mercury. This simple method may be useful to remove the mercury from other waste aqueous solutions before their discharge into the environment.