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- Concentration of bastnaesite and other cerium ores
- Treatment tests of scheelite ores from California, Nevada, and Utah
- Concentration tests of selected California-Nevada manganese ores
- Concentration tests of California chromite ores
- Continuous electrowinning of cerium metal from cerium oxides
- Electrowinning and tapping of lanthanum metal
- Solid-state electromigration of impurities in cerium metal
- Direct electrolysis of rare-earth oxides to metals and alloys in fluoride melts
- Electrowinning misch metal from a treated bastnasite concentrate
- Electrotransport of impurities in rare-earth metals, using a pulsed current
- Recovery of mercury from cinnabar ores by electrooxidation :extraction plant amenability tests