Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Sodium Hydroxide 20% Technical Grade
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Sample COA. Lot-specific COAs ship with each order.
Last reviewed 2026-05-20.
COA · Answer summary
Typical certificate of analysis for Sodium Hydroxide 20% Technical Grade. Lot-specific results ship with every order.
- Assay (computed)
- 21.00%
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 19.5 – 20.5 % | 21 % | Titration |
| Carbonate | ≤ 0.04 % | 0 % | Titration |
| Chloride | ≤ 40 ppm | 29 ppm | Ion chromatography |
| Iron | ≤ 5 ppm | 0 ppm | ICP |
| Sulfate | ≤ 16 ppm | 4 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.