... Strontium CarbonateMolecular Formula:SrCO Relative molecular mass:147.63Physicochemical Properties:White powder.Relative density 3.70.Melting point 1497°C(under CO ... SrCO3),% ≥99.0Barium(Ba),% ≤0.03Calcium(Ca),% ≤0.03Iron(Fe),% ≤0.001Sulfate(SO4),% ≤0.01Moisture,% ≤0.2Chloride(Cl),% ≤0.002Pb,% ≤0.0005Mg,% ≤0.001Average granular size:1.84um ... -10660-89. 99% min High Purity Strontium Carbonate In Powder