Ytterbium Sulfate, also Ytterbium Sulphate is applied to glass, ceramic, and numerous fiber amplifier and fiber optic technologies, high purity grades are widely applied as a doping agent for garnet crystals in lasers a important colourant in glasses and porcelain enamel glazes. Ytterbium Sulfate is a moderately water and acid soluble Ytterbium source for uses compatible with Sulfates.Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the Hydrogens with a metal.