| Meets A.C.S. Specifications |
| Meets Reagent Specifications for testing USP/NF monographs |
| Appearance (Colorless and free from suspended matter or sediment) | Passes Test |
| Assay (as NH3) | 28.0 - 30.0 % |
| Color (APHA) | max. 5 |
| Specific Gravity at 60 /60°F | 0.896 - 0.902 |
| Residue after Ignition | max. 0.001 % |
| Carbon Dioxide (CO2) | max. 0.002 % |
| Substances Reducing Permanganate | Passes Test |
| Trace Impurities (in ppm): |
| Chloride (Cl) | max. 0.5 |
| Nitrate (NO3) | max. 2 |
| Phosphate (PO4) | max. 0.4 |
| Total Sulfur (as SO4) | max. 1 |
| Trace Impurities (in ppb): |
| Aluminum (Al) | max. 200 |
| Arsenic and Antimony (as As) | max. 3000 |
| Barium (Ba) | max. 300 |
| Boron (B) | max. 50 |
| Chromium (Cr) | max. 100 |
| Copper (Cu) | max. 100 |
| Gold (Au) | max. 200 |
| Heavy Metals (as Pb) | max. 500 |
| Iron (Fe) | max. 100 |
| Lead (Pb) | max. 200 |
| Magnesium (Mg) | max. 200 |
| Manganese (Mn) | max. 100 |
| Nickel (Ni) | max. 100 |
| Tin (Sn) | max. 100 |
| Titanium (Ti) | max. 100 |
| Zinc (Zn) | max. 100 |