Industrial chemicals · Taylor, TXCertificate of AnalysisSample Certificate of Analysis
Sulfuric Acid 50% - Electrolyte Grade
50%
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Sample COA. Lot-specific COAs ship with each order.
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 49 – 51 % | 50 % | Titration |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic & Antimony (as As) | ≤ 0.0052 ppm | 0 ppm | ICP-MS |
| Chloride (Cl) | ≤ 0.1 ppm | 0.03 ppm | ICP |
| Color (APHA/Hazen) | ≤ 10 APHA | 5 APHA | Spectrophotometry |
| Heavy Metals (as Pb) | ≤ 0.52 ppm | 0 ppm | ICP-MS (as Pb) |
| Iron (Fe) | ≤ 0.1 ppm | 0 ppm | ICP-MS |
| Mercury (Hg) | ≤ 2.6 ppm | 0.78 ppm | ICP-MS |
| Nitrate (NO3) | ≤ 0.26 ppm | 0.08 ppm | ICP |
| Residue/Non-volatile | ≤ 0.01 % | 0 % | Residue on Ignition |
| Specific Gravity @20°C | 1.39 – 1.5185 g/mL | 1.395 g/mL | Hydrometer @ 25°C |
| Sulfite (SO3) | ≤ 5.2 ppm | 3 ppm | ICP |
| Turbidity | ≤ 1 NTU | 0.3 NTU | EPA 180.1 |
Generated . Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.