Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Potassium Hydroxide Flakes ACS Grade
ACS Grade · 86.8%
Sample COA. Lot-specific COAs ship with each order.
Last reviewed 2026-06-18 by Andre Taki, DOT Hazmat Specialist.
COA · Answer summary
Typical certificate of analysis for Potassium Hydroxide Flakes ACS Grade. Lot-specific results ship with every order.
- Assay (computed)
- 86.80%
- Grade
- ACS Grade
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 85 – 100.5 % | 86.8 % | Titration |
| Appearance | — | — | Visual Inspection |
| Calcium (Ca) | ≤ 50 ppm | 10 ppm | ICP-MS |
| Carbonate | ≤ 2 % | 0.7 % | Titration |
| Chloride | ≤ 100 ppm | 30 ppm | Ion chromatography |
| Heavy Metals (as Pb) | ≤ 10 ppm | 5 ppm | ICP-MS (as Pb) |
| Iron | ≤ 10 ppm | 2 ppm | ICP |
| Magnesium (Mg) | ≤ 20 ppm | 10 ppm | ICP-MS |
| Nickel (Ni) | ≤ 10 ppm | 2 ppm | ICP-MS |
| Nitrogen | ≤ 10 ppm | 5 ppm | Kjeldahl / Chemiluminescence |
| Phosphate | ≤ 5 ppm | 2 ppm | Per specification |
| Sodium (Na) | ≤ 500 ppm | 180 ppm | ICP-MS |
| Sulfate | ≤ 30 ppm | 10 ppm | Ion chromatography |
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.