Industrial chemicals · Taylor, TXCertificate of AnalysisSample Certificate of Analysis
Potassium Hydroxide Flakes ACS Grade
ACS Grade
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Sample COA. Lot-specific COAs ship with each order.
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 85 – 100 % | 99.6 % | Titration |
| Appearance | — | — | Visual Inspection |
| Carbonate | ≤ 2 % | 0.4 % | Titration |
| Chloride | ≤ 0.01 ppm | 0 ppm | Ion chromatography |
| Heavy Metals (as Pb) | ≤ 10 ppm | 3 ppm | ICP-MS (as Pb) |
| Iron | ≤ 5 ppm | 2 ppm | ICP |
| Nickel (Ni) | ≤ 4 ppm | 2 ppm | ICP-MS |
| Nitrogen | ≤ 20 ppm | 6 ppm | Kjeldahl / Chemiluminescence |
| Phosphate | ≤ 0.002 ppm | 0 ppm | Per specification |
| Sulfate | ≤ 0.005 ppm | 0 ppm | Ion chromatography |
Generated . Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.