White crystalline solid | Complying |
Assay (T dry) | 99.5-100.5% |
Barium (Ba) | Complying |
Bromide (Br) | <= 0.01% |
Calcium (Ca) | <= 0.002% |
Chlolrate & Nitrate (as NO3) | <= 0.003% |
Heavy metals (as Pb) | <= 0.0005% |
Iodides (I) | <= 0.002% |
Iron (Fe) | <= 0.0002% |
Magnesium (Mg) | <= 0.001% |
pH (5% in water at 25°) | 5.0-9.0 |
Phosphate (PO4) | <= 0.0005% |
Potassium (K) | <= 0.005% |
Sulfate (SO4) | <= 0.004% |
Water insolubles | <= 0.005% |