Industrial chemicals · Taylor, TXCertificate of AnalysisSample Certificate of Analysis
Soda Ash
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Sample COA. Lot-specific COAs ship with each order.
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay | 99.5 – 100.5 % | 99.9 % | Titration/Gravimetric |
| Appearance/Odor | — | — | Visual Inspection |
| Chloride (Cl) | ≤ 0.1 % | 0 % | ICP |
| Heavy Metals (as Pb) | ≤ 5 ppm | 1.5 ppm | ICP-MS (as Pb) |
| Insoluble Matter | ≤ 0.05 % | 0.01 % | Gravimetric |
| Iron | ≤ 10 ppm | 3 ppm | ICP |
| Moisture | ≤ 0.4 % | 0.11 % | Karl Fischer |
| pH | 8 – 8.6 | 8.3 | pH Meter |
| Sulfate | ≤ 0.2 % | 0.02 % | ICP-MS |
Generated . Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.