Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Sulfuric Acid 37% - Battery Acid Technical Grade
37%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.
COA · Answer summary
Sample specification reference for Sulfuric Acid 37% - Battery Acid Technical Grade. Source-record results are reference values, not measurements for your lot.
- Assay specification
- 36.5 - 37.5 % (w/w)
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (H2SO4) | 36.5 - 37.5 % (w/w) | 37.0 % | — |
| Appearance | Clear, colorless liquid | Passes test | — |
| Chloride (Cl) | 5 ppm max | 1.2 ppm | ASTM E223 (turbidimetric, AgNO3) |
| Manganese (Mn) | 0.5 ppm max | 0.02 ppm | ICP-OES |
| Arsenic (As) | 1 ppm max | 0.02 ppm | ICP-MS |
| Total heavy metals | 10 ppm max | 0.8 ppm | — |
| Iron (Fe) | 20 ppm max | 4 ppm | — |
| Mercury | 0.4 ppm max | 0.012 ppm | — |
| Nitrates (as NO3) | 40 ppm max | 0.8 ppm | — |
| Residue (Type I and Type II) | 40 ppm max | 6 ppm | — |
| Sulfur dioxide (SO2) | 20 ppm max | 4.8 ppm | — |
| sulfurous acid | 20 ppm max | 6 ppm | — |
| type i residue | 99 ppm max | 6 ppm | — |
| type ii residue | 199 ppm max | 6 ppm | — |
| Color, APHA | 50 max | 6 | — |
| Specific gravity (20 °C) | 1.275 - 1.285 | 1.280 | — |
| Composition | 37 % sulfuric acid in deionized water, by weight | Conforms | By formulation; confirmed by specific gravity |
| so2 | 20 ppm max | 4.4 ppm | — |
Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.