Formula: NH4OH [NH3 in water]
Formula Weight: 35.05
CAS Number: 1336-21-6
Synonym(s): Ammonia Solution
| Assay (as NH3) | 28.0-30.0% |
| Aluminum (Al) | 0.3ppm max |
| Appearance | To pass test |
| Calcium (Ca) | 0.3ppm max |
| Carbon dioxide (CO2) | 0.002% max |
| Chloride (Cl) | 0.5ppm max |
| Chromium (Cr) | 0.3ppm max |
| Copper (Cu) | 0.1ppm max |
| Gold (Au) | 0.3ppm max |
| Heavy metals (as Pb) | 0.5ppm max |
| Iron (Fe) | 0.2ppm max |
| Lead (Pb) | 0.2ppm max |
| Magnesium (Mg) | 0.3ppm max |
| Manganese (Mn) | 0.2ppm max |
| Nickel (Ni) | 0.1ppm max |
| Nitrate (NO3) | 2ppm max |
| Phosphate (PO4) | 2ppm max |
| Potassium (K) | 0.3ppm max |
| Residue after ignition | 0.002% max |
| Sodium (Na) | 0.3ppm max |
| Substances reducing permanganate | To pass test |
| Sulfate (SO4) | 2ppm max |
| Tin (Sn) | 0.3ppm max |
| Titanium (Ti) | 0.3ppm max |
| Zinc (Zn) | 0.3ppm max |