Abstract
Present work reports the electrochemical diffusion coefficient (EDC) values of ferri-cyanide ions in an electrolytic system frequently used in mass transfer measurements. The measurement methods were the combination of the electrochemical limiting current technique and the rotating disk system. The EDCs of ferri-cyanide ions in the aqueous electrolytic solutions supported with K2CO3 were measured in a temperature range of (288.15 to 308.15) K. Then, the electrolytic solutions in a wide range of Schmidt numbers (1060–145 000) were prepared by adding glycerol into the electrolytic solution supported with K2CO3. The EDCs of ferri-cyanide in these electrolytic solutions were measured. Furthermore, the density and the viscosity of all of the prepared solutions were also determined.
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