Chemical and Materials Engineering | Article | Published 2020-10-10

THE INFLUENCE OF TOXIC AND ECOLOGICALLY HARMFUL COMPONENTS ON THE ENVIRONMENT

Authors:

Zuhra Yaxshiyeva

Keywords: ecotoxicants, heavy toxic metals, amperometric titration, industrial waste.

Abstract

This work presents the optimization of conditions for titration of lead, mercury and tungsten ions with two indicator electrodes, solutions of DDTK (diethyldithiocarbamic acid) Na and (DDTK) 2Pb. The influence of the following factors on the course and results of titration was studied: the magnitude of the external voltage applied to the indicator electrodes, the nature and concentration of the background electrolyte, the addition of an inert solvent, various foreign cations, interfering anions, a number of complexing compounds and other factors.

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