Test item | Specification | |
Reagent grade | Pharmaceutical grade | |
Appearance | Conform | Conform |
Assay [SrCO3] /% | ≥99.0 | ≥97.0 |
Clarify degrees test | Conform | Conform |
Hydrochloric aci d insoluble, /% | ≤0.007 | ≤0.01 |
Chloride (Cl)/% | ≤0.001 | ≤0.002 |
Sulfate (SO4) /% | ≤0.01 | ≤0.02 |
Nitrate(NO3) /% | ≤0.015 | ≤0.06 |
Calcium and magnesium(Ca) /% | ≤0.05 | ≤0.05 |
Iron (Fe) /% | ≤0.001 | ≤0.002 |
Barium (Ba) /% | ≤0.05 | ≤0.2 |
Heavy metal(Pb) /% | ≤0.002 | ≤0.005 |