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Cerium Production


Monazite (cerium lanthanum thorium neodymium yttrium phosphate) is the main source mineral. It also may be found in apatites. At alkali splitting a mixture of metal oxides is yielded, from which CeO2 is converting into (NH4)2[Ce(NO3)6]. The ammonium-cerium salt is extracted from other compounds by phosphoric ester (the ester of phosphoric acid), then it is analyzed at 180°C with output of pure cerium dioxide. After that CeO2 is converted into CeF3 which is electrolyzed into pure cerium.
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