Industrial chemicals · Taylor, TXCertificate of AnalysisSample Certificate of Analysis
Ammonium Hydroxide 29% ACS Grade
ACS Grade · 29%
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Sample COA. Lot-specific COAs ship with each order.
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 28.5 – 29.5 % | 29 % | Titration |
| Appearance | — | — | Visual Inspection |
| Arsenic (As) | ≤ 0.01 ppm | 0.01 ppm | ICP-MS |
| Chloride | ≤ 1 ppm | 0 ppm | Ion chromatography |
| Copper (Cu) | ≤ 0.5 ppm | 0.2 ppm | ICP-MS |
| Heavy Metals (as Pb) | ≤ 0.5 ppm | 0.05 ppm | ICP-MS (as Pb) |
| Lead (Pb) | ≤ 0.5 ppm | 0.2 ppm | ICP-MS |
| Manganese (Mn) | ≤ 0.5 ppm | 0.2 ppm | ICP-MS |
| Nitrate | ≤ 2 ppm | 1 ppm | Per specification |
| Residue on Evaporation | ≤ 20 ppm | 5 ppm | Evaporation |
| Sodium (Na) | ≤ 5 ppm | 2 ppm | ICP-MS |
| Specific Gravity @20°C | 0.897 – 0.902 g/mL | 0.89 g/mL | Hydrometer @ 25°C |
| Sulfate | ≤ 2 ppm | 1 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.