... 99.9999% various purities of individual and co-precipitated Rare Earth chemicals, including Oxides, Acetates, Chloride, Carbonates, Hydroxides, ... Fluorides, Nitrates, Oxalates, totally covered 90% of Rare Earth products, applied widely in manufacturing tri-band phosphors, advanced ... we process individual Rare Earth oxides to a purity of 99.9999% for high-tech Rare Earth doped performance materials. ...