Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Phosphoric Acid 15% Technical Grade
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Sample COA. Lot-specific COAs ship with each order.
Last reviewed 2026-05-20.
COA · Answer summary
Typical certificate of analysis for Phosphoric Acid 15% Technical Grade. Lot-specific results ship with every order.
- Assay (computed)
- 16.00%
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 14.5 – 15.5 % | 16 % | Titration |
| Arsenic & Antimony (as As) | ≤ 0.0882 ppm | 0.03 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 0.1765 ppm | 0.02 ppm | ICP-MS |
| Chloride (Cl) | ≤ 3.5294 ppm | 1.76 ppm | ICP |
| Color (APHA/Hazen) | ≤ 10 APHA | 5 APHA | Spectrophotometry |
| Fluoride (F) | ≤ 1.7647 ppm | 1.59 ppm | Ion Chromatography |
| Heavy Metals (as Pb) | ≤ 5 ppm | 1 ppm | ICP-MS (as Pb) |
| Iron (Fe) | ≤ 5 ppm | 0 ppm | ICP-MS |
| Lead (Pb) | ≤ 0.1765 ppm | 0.02 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1765 ppm | 0.02 ppm | ICP-MS |
| Nitrate (NO3) | ≤ 0.8824 ppm | 0.53 ppm | ICP |
| Residue on Evaporation | ≤ 50 ppm | 20 ppm | Evaporation |
| Specific Gravity @20°C | 1.074 – 1.1789 g/mL | 1.077 g/mL | Hydrometer @ 25°C |
| Sulfate (SO4) | ≤ 8.8235 ppm | 5.29 ppm | ICP |
Generated . Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.