hrvatski

Istraživanje elektrodeponiranog rodija u lužnatoj otopini cikličkom voltametrijom i elektrokemijskom kvarc kristalnom mikrovagom

Surface electrochemical reactions on an electrodeposited rhodium electrode have been studied in 1 mol dm-3 NaOH solution by the use of cyclic voltammetry and electrochemical quartz crystal microbalance. An absence of a double- layer region in cyclic voltammogram shows that an immediate transition takes place from hydrogen ionization to surface oxidation. Under conditions of repetitive potential cycling, the oxide growth was obtained at the more positive potential than 0 V. The increase in weight of the cycled electrode in the oxide formation region shows an enhanced hydration of the layer and the presence of a higher rhodium oxide and/or hydroxide.

elektrokemijska kvarc kristalna mikrovaga; voltametrija; rodij; elektrodepozicija

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