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Complexation of mercury(II) with 1-Phenyl-2,3-dimethylpyrazoline-5-thione in 0.1 mol/L HNO3 at 273–338 K


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Abstract

The complexation of mercury(II) with 1-phenyl-2,3-dimethylpyrazoline-5-thione is studied by means of potentiometry in 0.1 mol/L HNO3 at 273–338 K. The composition of the complexes is determined and their stepwise stability constants are calculated. A pattern is found in altering the stepwise stability constants as the temperature and number of attached 1-phenyl-2,3-dimethylpyrazoline-5-thione molecules rise.

About the authors

N. S. Beknazarova

Tajik National University

Email: sash65@mail.ru
Tajikistan, Dushanbe, 734025

Dzh. O. Shoalifov

Tajik National University

Email: sash65@mail.ru
Tajikistan, Dushanbe, 734025

A. A. Amindzhanov

Tajik National University

Email: sash65@mail.ru
Tajikistan, Dushanbe, 734025

S. M. Safarmamadov

Tajik National University

Author for correspondence.
Email: sash65@mail.ru
Tajikistan, Dushanbe, 734025

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