| Meets A.C.S. Specifications |
| Meets Reagent Specifications for testing USP/NF monographs |
| Assay (NaNO3) min. 99.0 % |
| Insoluble Matter max. 0.005 % |
| pH of 5% Solution at 25 C 5.5 - 8.3 |
| Calcium (Ca) max. 0.005 % |
| Chloride (Cl) max. 0.001 % |
| Sulfate (SO4) max. 0.002 % |
| Nitrite (NO2) max. 0.001 % |
| Magnesium (Mg) max. 0.002 % |
| Potassium (K) max. 0.02 % |
| Trace Impurities (in ppm): |
| Iodate (IO3) max. 5 |
| Phosphate (PO4) max. 5 |
| Heavy Metals (as Pb) max. 5 |
| Iron (Fe) max. 2 |