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| Meets A.C.S. Specifications | ||
| Meets Reagent Specifications for testing USP/NF monographs | ||
| Appearance | Passes Test | Passes Test |
| Assay (HNO3) | 69.0 - 70.0 % | 69.60% |
| Arsenic (As) | 0.01 ppm max. | < 0.002 ppm |
| Color (APHA) | 10 max. | 5 |
| Specific Gravity at 60°/60°F | 1.416 - 1.420 | 1.418 |
| Residue after Ignition | 4 ppm max. | < 2 ppm |
| Trace Impurities (in ppm): | ||
| Chloride (Cl) | 0.1 max. | < 0.08 |
| Phosphate (PO4) | 0.2 max. | < 0.2 |
| Sulfate (SO4) | 0.5 max. | < 0.2 |
| Trace Impurities (in ppb): | ||
| Aluminum (Al) | 100 max. | < 15 |
| Arsenic and Antimony (as As) | 4 max. | < 2 |
| Boron (B) | 50 max. | < 4 |
| Cadmium (Cd) | Information Only | < 3 |
| Calcium (Ca) | 200 max. | < 20 |
| Chromium (Cr) | 100 max. | < 8 |
| Copper (Cu) | 50 max. | < 2 |
| Gold (Au) | 200 max. | < 3 |
| Heavy Metals (as Pb) | 100 max. | < 50 |
| Iron (Fe) | 100 max. | < 40 |
| Lead (Pb) | 100 max. | < 4 |
| Magnesium (Mg) | 100 max. | < 20 |
| Manganese (Mn) | 100 max. | < 4 |
| Mercury (Hg) | 5 max. | < 1 |
| Nickel (Ni) | 50 max. | < 3 |
| Potassium (K) | 300 max. | < 20 |
| Tin (Sn) | 200 max. | < 4 |
| Titanium (Ti) | 200 max. | < 15 |
| Zinc (Zn) | 200 max. | < 20 |
| For Laboratory, Research or Manufacturing Use | ||
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