Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Phosphoric Acid 85% USP Food Grade
Food Grade · 85%
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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 85% USP Food Grade. Lot-specific results ship with every order.
- Assay (computed)
- 85.00%
- Grade
- Food Grade
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 84.5 – 85.5 % | 85 % | Titration |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic & Antimony (as As) | ≤ 1 ppm | 0.5 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 3 ppm | 1 ppm | ICP-MS |
| Chloride (Cl) | ≤ 200 ppm | 50 ppm | ICP |
| Color (APHA/Hazen) | ≤ 20 APHA | 8 APHA | Spectrophotometry |
| Fluoride (F) | ≤ 10 ppm | 6 ppm | Ion Chromatography |
| Heavy Metals (as Pb) | ≤ 5 ppm | 2 ppm | ICP-MS (as Pb) |
| Iron (Fe) | ≤ 10 ppm | 5 ppm | ICP-MS |
| Lead (Pb) | ≤ 2 ppm | 0.1 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | 0.01 ppm | ICP-MS |
| Nitrate (NO3) | ≤ 5 ppm | 1.5 ppm | ICP |
| Residue/Non-volatile | ≤ 0.01 % | 0 % | Residue on Ignition |
| Specific Gravity @20°C | 1.686 – 1.051 g/mL | 1.6905 g/mL | Hydrometer @ 25°C |
| Sulfate (SO4) | ≤ 1500 ppm | 100 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.