Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Phosphoric Acid 30% ACS Grade
ACS · 30%
Sample COA. Lot-specific COAs ship with each order.
Last reviewed 2026-08-27.
COA · Answer summary
Typical certificate of analysis for Phosphoric Acid 30% ACS Grade. Lot-specific results ship with every order.
- Assay (computed)
- 30.00%
- Grade
- ACS
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 29.5 – 30.5 % | 30 % | Titration |
| Arsenic & Antimony (as As) | ≤ 1 ppm | 0.1 ppm | ICP-MS |
| Calcium (Ca) | ≤ 20 ppm | 5 ppm | ICP-MS |
| Chloride (Cl) | ≤ 3 ppm | 1 ppm | ICP |
| Color (APHA/Hazen) | ≤ 10 APHA | 5 APHA | Spectrophotometry |
| Heavy Metals (as Pb) | ≤ 10 ppm | 2 ppm | ICP-MS |
| Iron (Fe) | ≤ 30 ppm | 5 ppm | ICP-OES |
| Magnesium (Mg) | ≤ 20 ppm | 5 ppm | ICP-MS |
| Manganese (Mn) | ≤ 0.5 ppm | 0.1 ppm | ICP-MS |
| Nitrate (NO3) | ≤ 5 ppm | 1 ppm | ICP |
| Potassium (K) | ≤ 50 ppm | 10 ppm | ICP-MS |
| Sodium (Na) | ≤ 250 ppm | 25 ppm | ICP-MS |
| Specific Gravity @20°C | 1.18 – 1.19 g/mL | 1.1805 g/mL | Hydrometer @ 20°C |
| Sulfate (SO4) | ≤ 30 ppm | 10 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.