Characters:white powder. A cubic structure with rare earth sesquioxide. Density 3.864. Melting point 2403 ° C ± 20 ° C. Do not dissolve in water, soluble in hot acid. By ...
Characters: White amorphous powder or monoclinic system,tasteless. Insoluble in water. Soluble in hot hydrofluoric acid, sulfuric acid. Application: Ceramic, refractory,...
Characters: white powder, insoluble in water. Application: analytical reagent, the dehydration of organic solvents, adsorbent, organic reaction catalyst, abradant, refra...