Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Potassium Hydroxide (KOH) Technical Grade
Technical · 90.3%
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 (KOH) Technical Grade. Lot-specific results ship with every order.
- Assay (computed)
- 90.30%
- Grade
- Technical
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 90 – 90.3 % | 90.3 % | Titration |
| Appearance | — | — | Visual Inspection |
| Carbonate | ≤ 0.5 % | 0.4 % | Titration |
| Chloride | ≤ 50 ppm | 29 ppm | Ion chromatography |
| Heavy Metals (as Pb) | ≤ 5 ppm | 3 ppm | ICP-MS (as Pb) |
| Iron | ≤ 2 ppm | 2 ppm | ICP |
| Nickel (Ni) | ≤ 5 ppm | 2.9 ppm | ICP-MS |
| Sodium (Na) | ≤ 5750 ppm | 5000 ppm | ICP-MS |
| Sulfate | ≤ 10 ppm | 5 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.