Sulfuric acid or sulphuric acid, known in antiquity as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with the molecular formula H2SO4. It is a colorless, odorless and viscous liquid that is miscible with water.
| Sulfuric Acid, ACS Reagent Grade | |
| Contains | | |
| H2SO4 CAS No. 7664-93-9 MW 98.08 | |
| Test | Specification | Result |
| Ammonium (NH4) | max 2 ppm | N/A |
| Appearance | Colorless liquid | N/A |
| Arsenic (As) | max 0.01 ppm | N/A |
| Assay | 95.0-98.0% | N/A |
| Chloride (Cl) | max 0.2 ppm | N/A |
| Color (APHA) | max 10 | N/A |
| Heavy Metals (as Pb) | max 1 ppm | N/A |
| Iron (Fe) | max 0.2 ppm | N/A |
| Mercury (Hg) | max 5 ppm | N/A |
| Nitrate (NO2) | max 0.5 ppm | N/A |
| Residue after Ignition | max 5 ppm | N/A |
| Substances reducing Permanganate (as SO2) | max 2 ppm | N/A |
Balances are calibrated regularly with weights certified traceable to the NIST national mass standard. All products are prepared according to master documents that assure manufacture according to validated methods. Batch records document traceability and production history for each lot manufactured.