
| Cov khoom tsom xam | Standard xav tau (%) |
| SrSO4 cov ntsiab lus | ≥99.0 |
| Barium sulfate (BaSO4) | ≤0.1 |
| Calcium sulfate (CaSO4) | ≤ 0.08 |
| Chloride (Cl) | ≤ 0.01 |
| Calcium oxide (CaO) | ≤ 0.05 |
| Hlau (Fe) | ≤ 0.01 |
| Sodium (Na) | ≤ 0.008 |
| Potassium (k) | ≤ 0.005 |
| Cov ntsiab lus dej | ≤0.1 |
| Qhov tshwm sim | Dawb hmoov zoo |