M | 40 |
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m.p | 318 °C |
Appearance | White to off-white pearls |
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Identification A | Passes EP/BP test |
Identification B | Passes EP/BP/USP test |
Assay (T, Total alkalinity) | 97.0-100.5%w/w |
Carbonate (CO3) | max. 1.0%w/w |
Appearance of solution | Clear & colorless (10% solution) |
Insoluble substances and organic matter | Passes USP test |
Chloride (Cl) | max. 0.005% |
Heavy metals (as Pb) | max. 0.002% |
Iron (Fe) | max. 0.001% |
Potassium (K) | Passes USP test |
Sulfate (SO4) | max. 0.005% |
Phosphate (PO4) | max. 0.001% |
pH (0.01% in water) | 11-14 |