Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Phosphoric Acid 5% Food Grade
Food · 5%
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 Phosphoric Acid 5% Food Grade. Source-record results are reference values, not measurements for your lot.
- Assay specification
- 4.5 - 5.5 %
- Grade
- Food
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (H3PO4) | 4.5 - 5.5 % | 5.0 % | — |
| Identification (phosphate) | Positive test for phosphate | Passes test | FCC phosphate identification tests |
| Mercury (Hg) | 0.06 ppm Hg | 0.0012 ppm | Cold-vapour AAS (EPA 245.1) |
| Arsenic (As) | 0.18 mg/kg max | 0.0059 mg/kg | — |
| Cadmium (Cd) | 0.18 mg/kg max | 0.0029 mg/kg | — |
| Chlorides (Cl) | 0.96 ppm max | 0.088 ppm | — |
| Fluoride (F) | 0.59 mg/kg max | 0.12 mg/kg | — |
| Iron (Fe) | 0.6 ppm max | 0.12 ppm | — |
| Lead (Pb) | 0.19 mg/kg max | 0.0029 mg/kg | — |
| Sulfate (SO4) | 6.8 ppm max | 1.2 ppm | — |
| Color (maximum) | 10 APHA Units max | 0.29 APHA | — |
| Composition | 5 % phosphoric acid in deionized water, by weight | Conforms | By formulation; confirmed by specific gravity |
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.