Temperature influence on the electrode process in the presence of 6-thioguanine and surfactants

• Autorzy: Nosal-Wiercińska Agnieszka , Kaliszczak Waldemar , Martyna Marlena , Szabelska Anna , Gołębiowska Beata , Wiśniewska Małgorzata

Identyfikatory

DOI

10.37190/ppmp/124536

• Języki publikacji: EN

Abstrakty

EN

The measurements concerning the process of the electroreduction of Bi(III) ions in the presence of 6–thioguanine (6TG) and Triton X-100 as well as Tween 80 in the 2 mol·dm^-3 chlorates(VII) demonstrate a dependence of the process rate on temperature. The applied electrochemical techniques (DC polarography, cyclic and SWV voltammetry) allowed to determine the kinetic and thermodynamic parameters as well as their correlation with changes in kinetics of the electrode process. The catalytic activity of 6TG was confirmed by the decrease of overall enthalpies of activation. Different values of ∆𝐻^# and ∆𝑆^° for Bi(III) electroreduction in the presence of 6–thioguanine as well as Triton X-100 and Tween 80 suggest changes in kinetics of the electrode process towards inhibition.

Słowa kluczowe

EN

catalytic effect; Bi(III) electroreduction; 6-thioguanine; surfactants; thermodynamic parameters; kinetic parameters

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2020
• Tom: Vol. 56, iss. 6
• Strony: 14--21
• Opis fizyczny: Bibliogr. 22 poz., tab., wykr., wz.

Twórcy

autor

Nosal-Wiercińska Agnieszka

• Department of Analytical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland

autor

Kaliszczak Waldemar

• Department of Analytical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland

autor

Martyna Marlena

• Department of Analytical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland

autor

Szabelska Anna

• Department of Prosthetic Dentistry, Medical University of Lublin, Karmelicka 7 Sq, 20-081 Lublin, Poland

autor

Gołębiowska Beata

• Department of Pediatric Neurology, Medical University of Lublin, prof. A. Gebali 6 Sq, 20-093 Lublin, Poland

autor

Wiśniewska Małgorzata

• Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry Maria Curie-Sklodowska University in Lublin, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland

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