| M | 56.11 |
|---|


| Identification A | Complying |
| Identification B | Complying |
| White to off-white flakes | Complying |
| Appearance of solution | Complying |
| Assay (T Total alkalinity) | >= 85.0%w/w |
| Carbonate (CO3) | <= 2.0%w/w |
| Chloride (Cl) | <= 0.005% |
| Heavy metals (as Pb) | <= 0.001% |
| Iron (Fe) | <= 0.001% |
| Phosphate (PO4) | <= 0.002% |
| Sodium (Na) | <= 1.0% |
| Sulfate (SO4) | <= 0.005% |
| pH (0.01% in water) | 10.5-14.0 |
| Solub. (10% in Water) Clear, colorless | Complying |