White crystalline powder | Complying |
Assay (T Argentometric) | 99.0-100.5%w/w |
Iodides (I) | <= 0.002% |
Bromide (Br) | <= 0.01% |
Chlolrate & Nitrate (as NO3) | <= 0.003% |
Sulfate (SO4) | <= 0.001% |
Barium (Ba) | Complying |
Heavy metals (as Pb) | <= 0.0005% |
Iron (Fe) | <= 0.0003% |
Calcium (Ca) | <= 0.002% |
Magnesium (Mg) | <= 0.001% |
Sodium (Na) | <= 0.005% |
Water insolubles | <= 0.005% |
pH (5% in water) | 5.4-8.6 |