Abstract
As a method of rapid separation, high voltage electrophoresis (H.V.E.) was applied to analyze various ionic species of Ru (III) and Ru (IV) present in solutions. Change of the ionic forms in solution after preparation, and as well as their ultimate equilibrium state, were investigated in chloride media. In a similar manner, the effect of complexing agents, i.e. lactic acid, oxalic acid and nitrilo-triacetic acid, on the ionic forms of Ru(III) and Ru(IV) were surveyed. The results obtained were as follows. 1. Various ionic species of ruthenium coexisting in a dilute hydrochloric acid solution separated into four or five zones of migration in the case of Ru (III) and six or seven zones in the case of Ru (IV), after periods depending on their mobility. 2. Using an equilibrated sample, it was found that the ionic species practically did not change during a separation time of 5 to 18 min. Consequently, one can follow the kinetic changes of the ionic species if the reaction rate is not too high for neglecting r...
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