| Exceeds A.C.S. Specifications |
| Meets Reagent Specifications for testing USP/NF monographs |
| Assay (KI) min. 99.0 % |
| Insoluble Matter max. 0.005 % |
| Loss on Drying at 150 C max. 0.2 % |
| pH of 5% Solution at 25 C 6.0 - 9.2 |
| Chloride and Bromide (as Cl) max. 0.01 % |
| Phosphate (PO4) max. 0.001 % |
| Sulfate (SO4) max. 0.005 % |
| Barium (Ba) max. 0.002 % |
| Calcium (Ca) max. 0.002 % |
| Magnesium (Mg) max. 0.001 % |
| Sodium (Na) max. 0.005 % |
| Trace Impurities (in ppm): 1 |
| Iodate (IO3) max. 3 |
| Heavy Metals (as Pb) max. 5 |
| Iron (Fe) max. 2 |