| TEST | SPECIFICATION |
| Meets ACS Reagent Chemical Requirements |
| For Laboratory,Research,or Manufacturing Use |
| ACS - Assay (as NH₃) | 28.0 - 30.0 % |
| Appearance | Passes Test |
| ACS - Carbon Dioxide (CO₂) | <= 0.002 % |
| ACS - Pyridine | Passes Test |
| ACS - Residue after Ignition | <= 0.002 % |
| ACS - Substances Reducing Permanganate | Passes Test |
| ACS - Specific Gravity at 60°/60°F | 0.896 - 0.902 |
| Trace Impurities - Arsenic (As) | <= 3.000 ppm |
| Chloride (Cl) | <= 0.5 ppm |
| Trace Impurities - Heavy Metals (as Pb) | <= 0.5 ppm |
| Nitrate (NO₃) | <= 2 ppm |
| Phosphate (PO₄) | <= 2 ppm |
| Total Sulfur (as SO₄) | <= 2 ppm |
| Determine by Flame Photometry & ICP - Aluminum (Al) | <= 0.100 ppm |
| Determine by Flame Photometry & ICP - Barium (Ba) | <= 0.100 ppm |
| Determine by Flame Photometry & ICP - Beryllium (Be) | <= 0.010 ppm |
| Determine by Flame Photometry & ICP - Bismuth (Bi) | <= 0.010 ppm |
| Determine by Flame Photometry & ICP - Boron (B) | <= 0.050 ppm |
| Determine by Flame Photometry & ICP - Cadmium (Cd) | <= 0.100 ppm |
| Determine by Flame Photometry & ICP - Calcium (Ca) | <= 0.100 ppm |
| Determine by Flame Photometry & ICP - Chromium (Cr) | <= 0.050 ppm |
| Determine by Flame Photometry & ICP - Cobalt (Co) | <= 0.050 ppm |
| Determine by Flame Photometry & ICP - Copper (Cu) | <= 0.050 ppm |
| Determine by Flame Photometry & ICP - Gallium (Ga) | <= 0.500 ppm |
| Determine by Flame Photometry & ICP - Germanium (Ge) | <= 0.500 ppm |
| Determine by Flame Photometry & ICP - Gold (Au) | <= 0.500 ppm |
| Determine by Flame Photometry & ICP - Iron (Fe) | <= 0.100 ppm |
| Determine by Flame Photometry & ICP - Lead (Pb) | <= 0.2 ppm |
| Determine by Flame Photometry & ICP - Lithium (Li) | <= 0.050 ppm |
| Determine by Flame Photometry & ICP - Magnesium (Mg) | <= 0.100 ppm |
| Determine by Flame Photometry & ICP - Manganese (Mn) | <= 0.050 ppm |
| Determine by Flame Photometry & ICP - Mercury (Hg) | <= 0.500 ppm |
| Determine by Flame Photometry & ICP - Molybdenum (Mo) | <= 0.010 ppm |
| Determine by Flame Photometry & ICP - Nickel (Ni) | <= 0.500 ppm |
| Determine by Flame Photometry & ICP - Potassium (K) | <= 0.100 ppm |
| Determine by Flame Photometry & ICP - Silicon (Si) | <= 0.100 ppm |
| Determine by Flame Photometry & ICP - Silver (Ag) | <= 0.050 ppm |
| Determine by Flame Photometry & ICP - Sodium (Na) | <= 0.500 ppm |
| Determine by Flame Photometry & ICP - Strontium (Sr) | <= 0.100 ppm |
| Determine by Flame Photometry & ICP - Thallium (Tl) | <= 0.050 ppm |
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