... of LED lamp4. high quality, low price A.Monochrome Powder PRODUCTDESCRIPTIONMOLECULAR FOMULAEMITTED COLORMAIN PEAK WAVELENGTHCOLOR COORDINATESRare Earth Red ... Red Powderyttrium oxide: Europium(Ⅲ)Y2O3:Eu3+, white powder, with a relative density of 5.05, belonging to cubic ... PowdeChlorine calcium borate: Europium(Ⅱ)Ca2B5O9Cl:Eu2+ , white powder, with a relative density of 2.11, work effectively under ...