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Samarium(III) sulphate, 99.9% is a salt of the rare earth metal samarium with sulfuric acid. It forms as octahydrate yellow crystals.
S 1202 (OTTO) Samarium(III) sulphate, 99.9% Cas 13465-58-2 - used in laser applications and for its dielectric properties and in filter glass on Nd:YAG solid state lasers.