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Extraction of yttrium and rare-earth elements from Arizona euxenite concentrate
Extraction of yttrium and rare-earth elements from a euxenite carbonate residue
Extraction of rare-earth elements from bastnaesite concentrate
Metathesis of bastnasite and solvent extraction of cerium
Extraction and separation of rare-earth elements in Idaho euxenite concentrate
Extraction of euxenite metal values by fusion with ammonium sulfate or ammonium bisulfate