STUDY OF THE INFLUENCE OF SOME FACTORS ON THE INTERACTION PROCESS IN THE SYSTEMS К3[Fe(CN)6] – VOSO4·3H2O/NiSO4·7H2O – H2O AND К3[Fe(CN)6] – VOSO4·3H2O – NiSO4·7H2O – H2O

Message 2. IR spectroscopic study of the interaction products in the К3[Fe(CN)6] – VOSO4·3H2O– H2O system obtained in the range of 5–300 min.

Abstract

The effect of time on the composition of the interaction products in the K3[Fe(CN)6] – VOSO4·3H2O–Н2О system was studied. On the bases of IR spectroscopic analysis of products isolated from the studied system, it was established that complex formation processes occur in it with the formation of hydrated complexes of variable composition, and redox reactions, accompanied by the reorganization of the [FeIII(CN)6]3- → ion to the ion [FeII(CN)6]4- and transition V4+ → V5+. It was revealed that with an increase in the time of the interaction process over 60 minutes in the studied system, hydroxides of vanadium and iron are formed, and with longer interaction (over 180 minutes), iron hydroxide predominates in the products.

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