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The Mathematical Modeling for Salvarsane Electrochemical Determination over Cobalt Oxyhydroxide and Squaraine Dye

Volodymyr V. TkachUniversity of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801, Folhadela, Vila Real, PortugalTetiana V. MorozovaState Scientific Institution “Institute of Ecological Restoration and Development of Ukraine”, Environment Remediation Section, Mytropolite Vasyl Lypkivsky Str. 35, 01001 Kyiv, UkraineKushnir Marta VChernivtsi National University, 58001, Kotsyubynsky Str. 2, Chernivtsi, UkraineAndrii О. HlukhonetsNational Transport University, 02000, Omelianovych-Pavlenko Str. 1, Kyiv, UkraineSílvio C. de OliveiraInstitute of Chemistry. Federal University of Mato Grosso do Sul, 79074 – 460, Av. Sen. Felinto Müller, 1555, Vila Ipiranga, Campo Grande, MS, BrazilV.V. KryvetskyiBukovinian State Medical University, 58001, Teatralna Sq, 9, Chernivtsi, UkraineYana G. IvanushkoBukovinian State Medical University, 58001, Teatralna Sq, 9, Chernivtsi, UkraineMaryna G. BesplitnikBukovinian State Medical University, 58001, Teatralna Sq, 9, Chernivtsi, UkrainePetro I. Yagodynets´Chernivtsi National University, 58001, Kotsyubynsky Str. 2, Chernivtsi, UkraineAdriano O. da SilvaFederal University of the West of Pará, Juruti Campus, 68170 – 000, Rua Veríssimo de Souza Andrade, s/n, Juruti, PA, BrazilJarem R. GarciaState University of Ponta Grossa, Uvaranas Campus, Av. Gal. Carlos Cavalcanti, 4748, 84030-900, Ponta Grossa, PR, BrazilJosé Inácio Ferrão da Paiva MartinsEngineering Faculty of the University of Porto, 4200-465, Rua Dr. Roberto Frias, s/n, Porto, PortugalGennadiy TkachNational University of Life and Environmental Science of Ukraine, 03041, Heroiv Oborony Str, 15, Kyiv, UkraineOleg P. MelnykNational University of Life and Environmental Science of Ukraine, 03041, Heroiv Oborony Str, 15, Kyiv, UkraineOleksii O. MelnykNational University of Life and Environmental Science of Ukraine, 03041, Heroiv Oborony Str, 15, Kyiv, UkraineMaria V. MelnykNational University of Life and Environmental Science of Ukraine, 03041, Heroiv Oborony Str, 15, Kyiv, UkraineMaria João MonteiroUniversity of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801, Folhadela, Vila Real, PortugalZuhra Z. YakhshiyevaJizzakh State Pedagogical University, 130100, Sh. Rashidov Str., 4, Jizzakh, UzbekistanIryna G. PatsevaZhytomyr Polytechnic State University, 10005, Chudnivs’ka Str. 103, Zhytomyr, UkraineVitalina LukyanovaZhytomyr Polytechnic State University, 10005, Chudnivs’ka Str. 103, Zhytomyr, UkraineMykola P. KraskoZaporizhzhia State University of Medicine and Pharmacy, 69600, Mayakovsky Ave. 24, Zaporizhzhia, UkraineVira M. OdyntsovaZaporizhzhia State University of Medicine and Pharmacy, 69600, Mayakovsky Ave. 24, Zaporizhzhia, UkraineViktoriia O. KhrutbaNational Transport University, 02000, Omelianovych-Pavlenko Str. 1, Kyiv, Ukraine

2026

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Annotatsiya

In this work, for the first time, the theoretical evaluation of the possibility of electroanalytical detection of salvarsan, an antisyphilitic drug, is carried out. Cobalt oxyhydroxide, in its compound with the squarainic dye, is used as an electrode modifier. Through stability analysis, its efficiency in the Salvasano detection processes has been confirmed. The linearity of the dependence between the electrochemical parameter and the drug concentration is readily achieved and maintained. On the other hand, oscillatory and monotonic instabilities are observed in the system and are caused by the electrochemical stages' influence on the capacitance of the electrical double layer (DEL).

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DOI: 10.33263/lianbs152.078

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