Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Phosphoric Acid 50% Food Grade
Food · 50%
Sample COA. Lot-specific COAs ship with each order.
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.
COA · Answer summary
Typical certificate of analysis for Phosphoric Acid 50% Food Grade. Lot-specific results ship with every order.
- Assay (computed)
- 50.50%
- Grade
- Food
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 49 – 51 % | 50.5 % | Titration |
| Arsenic & Antimony (as As) | ≤ 1 ppm | 0.5 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 0.5882 ppm | 0.06 ppm | ICP-MS |
| Chloride (Cl) | ≤ 11.7647 ppm | 5.88 ppm | ICP |
| Color (APHA/Hazen) | ≤ 10 APHA | 5 APHA | Spectrophotometry |
| Fluoride (F) | ≤ 10 ppm | 5 ppm | Ion Chromatography |
| Heavy Metals (as Pb) | ≤ 5 ppm | 1 ppm | ICP-MS (as Pb) |
| Iron (Fe) | ≤ 5 ppm | 1 ppm | ICP-MS |
| Lead (Pb) | ≤ 0.5 ppm | 0.2 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | 0.05 ppm | ICP-MS |
| Nitrate (NO3) | ≤ 2.9412 ppm | 1.76 ppm | ICP |
| Residue on Evaporation | ≤ 50 ppm | 20 ppm | Evaporation |
| Specific Gravity @20°C | 1.333 – 1.337 g/mL | 1.335 g/mL | Hydrometer @ 20°C |
| Sulfate (SO4) | ≤ 29.4118 ppm | 17.65 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.