Appearance: White Amorphous Powder or Granular Standard of Production: HG/T2969 1999 Item Index sign (%) SrCO 3 ≥ 97.0 BaCO 3 ≤ 2.0 CaCO 3 ≤ 0.5 Na (as Na 2 O ) ≤ 0.3 Fe ( as Fe 2 O 3 ) ≤ 0.01 Cl ( as bCl ) ≤ 0.12 S ( as SO 4 ) ≤ 0.35 Moisture ≤ 0.3 Cr 2 O 3 ≤ 0.0005 Granularitygranular/APS(powder) As discussed Note: Strontium Carbonate is available with content and specifications required by customers in the form of granular and powder of different particle sizes. Use: SrCO 3 Granular is mainly used for producing Cathode Ray Tubes (CRTs) for colour TV and computer monitors while SrCO 3 Powder is applied to producing magnetic materials, coloured metal, fireworks, fluorescent glass and other strontium salt preparation. Paking: Plastic woven bags of net 25kg, moistureproof bag inside, or as requested.