Abstract
This study investigates the electrochemical stability of the gold complex based on mercaptotriazole at an optimum pH of nine in the electrolyte with a gold concentration of 2.5 g dm−3. The stability of the complex was studied by visual monitoring and electrochemical characterization of electrolytes over a period of 1 year. Electrochemical characterization of the mercaptotriazole gold complex was performed using open circuit potential measurement, cyclic voltammetry, recording the polarization curves, pH, and conductivity of the electrolyte. Electrochemical characteristics and visual appearance of the mercaptotriazole gold complex at a pH ~ 9 were not significantly changed for one year, with no changes in its visual appearance. The results of this study are important for industrial applications in order to replace cyanide electrolytes with a stable organic complex.
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Ministry of Education, Science and Technological Development of the Republic of Serbia, contract numbers: 451-03-68/2022-14/200052; 451-03-68/2022-14/200135; 451-03-68/2022-14/200023; COST Action CA20130; India-Serbia Bilateral Scientific and Technological Cooperation: Recycling of valuable metals from discarded printed circuit boards.
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Dimitrijević, S.P., Dimitrijević, S.B., Ivanović, A. et al. Electrochemical stability of gold complex based on mercaptotriazole at optimal condition. Chem. Pap. 76, 7823–7832 (2022). https://doi.org/10.1007/s11696-022-02447-y
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DOI: https://doi.org/10.1007/s11696-022-02447-y