Platinum-iridium catalyzed titanium anode. I. Properties and use in chlorate electrolysis
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The use of dimensionally stable titanium anodes activated with Pt, Ir or ruthenium oxide for electrolytic chlorate production has been investigated. Simultaneous measurements were made of the amount of noble metal at the surface and of electrode activity, as functions of time of electrolysis at constant current and temperature. After more than 400 days of operation, an electrode with 7 g m−2 of surface of noble metals exhibits good polarization characteristics as well as freedom from corrosion of the coating.
Source:Journal of Applied Electrochemistry, 1975, 5, 2, 155-158
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