Spectrophotometric method for hg(ii) determination in aqueous environment using zinc-dithizonate complex

Authors

Ahmad, Musa Ahmad
Marsom Elya Sufliza
Hamzah Harun

Abstract

This article described the use of zinc-dithizonate for spectrophotometric determination of Hg(II) in aqueous environment. Zinc dithizonate was found to react selectively with Hg(II) to give a reddish yellow complex with optimum absorbance at pH 1.0. This complex was found to be useful for spectrophotometric determination of aqueous Hg(II) in the concentration range of 1.0 - 12.0 ppm. This method was also found to be reproducible with calculated relative standard deviation, RSD of 1.08%. At 1:1 mole ratio, interfering ions such as CH COO·, Pb2+ and Ag+ were found to interfere at degree 3 of interference of more than 10.0%.

Publication Date

11-15-2017

Recommended Citation

Ahmad, Ahmad, Musa; Sufliza, Marsom Elya; and Harun, Hamzah (2017) "Spectrophotometric method for hg(ii) determination in aqueous environment using zinc-dithizonate complex," ASEAN Journal on Science and Technology for Development: Vol. 18: No. 1, Article 5.
DOI: https://doi.org/10.29037/ajstd.194
Available at: https://ajstd.ubd.edu.bn/journal/vol18/iss1/5