Particulate compositions of rare earth oxide and method of makin
Phosphonamides, process for producing the same, and use thereof
Precipitation process
Preparation of ABO.sub.3 compounds from mixed metal aromatic coo
Process for preparing fused solid of europium halide
Process for preparing fused solid of europium halide
Process for purifying rare-earth compositions using fractional s
Process for recovering highly pure rare earth oxides from a wast
Process for recovering metal values such as scandium, iron and m
Process for recovering rare earth metal from oxide ore by concen
Process for recovering scandium from waste material
Process for separation of the lanthanides
Process for separation of the rare earths by solvent extraction
Process for the recovery of metals from used nickel/metal/rare e
Process for the recovery of substantially radium free calcium su
Process for the recovery of valuable metals, particularly rare e
Process for the separating of rare earths
Process for the separation of gadolinium isotopes
Process to remove rare earth from IFR electrolyte
Processing of rare earth ores