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Rotating disk electrode studies in cryolitic melts

✍ Scribed by J.M. Tellenbach; D. Landolt

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
414 KB
Volume
33
Category
Article
ISSN
0013-4686

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✦ Synopsis

A rotating disk electrode assembly for use in cryolitic melts at 1020" K is described. The electrodes press-fitted into a boron nitride insulation are made of tungsten plated with gold or of titanium diboride. The performance of the rotating disk system is tested by measuring limiting currents for Mn* + reduction on gold at rotation rates up to 1600 RPM. The rate ofaluminium loss from a titanium diboride cathode is measured as a function of rotation rate and found to be mass transport controlled.

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