Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Ammonium 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 Ammonium 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 |
| Arsenic (As) | ≤ 0.0069 ppm | 0 ppm | ICP-MS |
| Calcium (Ca) | ≤ 1 ppm | 0.3 ppm | ICP-MS |
| Carbonate | ≤ 10 ppm | 7 ppm | Titration |
| Chloride | ≤ 0.3448 ppm | 0 ppm | Ion chromatography |
| Copper (Cu) | ≤ 0.3448 ppm | 0.14 ppm | ICP-MS |
| Heavy Metals (as Pb) | ≤ 0.3448 ppm | 0.03 ppm | ICP-MS (as Pb) |
| Iron | ≤ 5 ppm | 2 ppm | ICP |
| Lead (Pb) | ≤ 0.3448 ppm | 0.14 ppm | ICP-MS |
| Manganese (Mn) | ≤ 0.3448 ppm | 0.14 ppm | ICP-MS |
| Phosphate (PO4) | ≤ 1 ppm | 0.3 ppm | ICP |
| Potassium (K) | ≤ 1 ppm | 0.3 ppm | ICP-MS |
| Residue on Evaporation | ≤ 14 ppm | 3 ppm | Evaporation |
| Sodium (Na) | ≤ 3.4483 ppm | 1.38 ppm | ICP-MS |
| Sulfate | ≤ 1.3793 ppm | 0 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.