Analysis item |
Standard requirements (%) |
SrSO4 content |
≥99.0 |
Barium sulfate (BaSO4) |
≤0.1 |
Calcium sulfate (CaSO4) |
≤0.08 |
Chloride (Cl) |
≤0.01 |
Calcium oxide (CaO) |
≤0.05 |
Iron (Fe) |
≤0.01 |
Sodium (Na) |
≤0.008 |
Potassium (k) |
≤0.005 |
Water content |
≤0.1 |
Appearance |
White fine powder |