
| Item analisis | Keperluan piawai (%) |
| SrSO44 kandungan | ≥99.0 |
| Barium sulfat (BaSO4)4) | ≤0.1 |
| Kalsium sulfat (CaSO4)4) | ≤0.08 |
| Klorida (Cl) | ≤0.01 |
| Kalsium oksida (CaO) | ≤0.05 |
| Besi (Fe) | ≤0.01 |
| Natrium (Na) | ≤0.008 |
| Kalium (k) | ≤0.005 |
| Kandungan air | ≤0.1 |
| Rupa | Serbuk halus putih |