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Strontium carbonate (SrCO3) is the carbonate salt of strontium that has the appearance of a white or grey powder. It occurs in nature as the mineral strontianite.
S 3698 (OTTO) Strontium carbonate, 99.995% Cas no 1633-05-2 - used for electronic applications. It is used for manufacturing CTV to absorb electrons resulting from the cathode.