The electrochemical reduction mechanism of [N,N′-1,2-phenylenebis(salicylideneiminato)]cobalt(II)

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Armando Gennaro ◽  
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Vol 79 (2) ◽  
pp. 173-178 ◽  
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pp. 46-53 ◽  
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Ebru Gökmeşe ◽  
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Muhammet Işıklan ◽  
Zeynel Kılıç

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1980 ◽  
Vol 11 (48) ◽  
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The electrochemical reduction process of ZnFe2O4 in NaCl-CaCl2 melts was studied. Thermodynamic analysis shows that the reduction process of ZnFe2O4 is carried out in multiple steps, and it is difficult to reduce Fe3+ to Fe in one step. Electrochemical tests revealed that the reduction process of ZnFe2O4 includes three steps: First, Fe3+ is reduced to Fe in two steps, then Zn2+ is reduced to Zn in one step. The reduction of Fe3+ on the Mo electrode is a reversible process controlled by diffusion, while the reduction of Zn2+ is an irreversible process controlled by diffusion. The influence of electrolysis voltage and temperature on the process of electric deoxidation has also been studied. It is indicated that properly increasing the temperature is conducive to the diffusion of oxygen ions, thereby increasing the deoxidation rate. With the gradual increase of voltage, the reduction process of ZnFe2O4 is ZnFe2O4 → FeO + ZnO → Fe + ZnO → Fe + Zn.


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