| M | 56.11 |
|---|


| White to off-white flakes | Complying |
| Assay (T Total alkalinity) | >= 85.0%w/w |
| Carbonate (CO3) | <= 2.0%w/w |
| Chloride (Cl) | <= 0.01% |
| Iron (Fe) | <= 0.001% |
| Heavy metals (as Pb) | <= 0.001% |
| Phosphate (PO4) | <= 0.001% |
| Sulfate (SO4) | <= 0.003% |
| Sodium (Na) | <= 1.0% |
| Nickel (Ni) | <= 0.001% |
| Calcium (Ca) | <= 0.005% |
| Magnesium (Mg) | <= 0.002% |