Abstract
The electrochemical electron-transfer rate constants for the reduction of Ni(IV), Mo(V) and W(V) dithiocarbamates were measured at a platinum electrode in acetone with the current-reversal chronopotentiometric method in the temperature range −20 to +2°. From these measurements the activation energies were determined, Δ G ≠ at 293 K, being 26, 25 and 24 kJ mol −1 respectively for these compounds. The electronic device used is also described and consists of a galvanostat, a comparator and measuring circuit and a digital programmer.
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