Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Aluminum Sulfate 50%
50%
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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 Aluminum Sulfate 50%. Lot-specific results ship with every order.
- Assay (computed)
- 49.50%
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay | 49.5 – 50.5 % | 49.5 % | Titration/Gravimetric |
| Aluminum (Al) | ≤ 100000 ppm | 86250 ppm | ICP-MS |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic (As) | ≤ 7 ppm | 0.27 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 2 ppm | 0.15 ppm | ICP-MS |
| Chromium (Cr) | ≤ 20 ppm | 1.1 ppm | ICP-OES |
| Heavy Metals (as Pb) | ≤ 10 ppm | 3 ppm | ICP-MS (as Pb) |
| Insoluble | ≤ 0.25 % | 0.01 % | Per specification |
| Insolubles | ≤ 0.15 % | 0.1 % | Filtration |
| Iron | ≤ 0.35 % | 0.3 % | ICP |
| Lead (Pb) | ≤ 20 ppm | 1.1 ppm | ICP-MS |
| Loss on Drying | ≤ 12.5 % | 3.8 % | Loss on Drying |
| Mercury (Hg) | ≤ 2 ppm | 0.05 ppm | ICP-MS |
| Nickel (Ni) | ≤ 10 ppm | 0.6 ppm | ICP-OES |
| pH | 1.5 – 2.5 | 2.3 | pH Meter |
| Selenium (Se) | ≤ 10 ppm | 0.8 ppm | ICP-MS |
| Specific Gravity @20°C | 1.323 – 1.3352 g/mL | 1.33 g/mL | Hydrometer @ 25°C |
| Sulfate (SO4) | ≤ 25 ppm | 25 ppm | ICP |
| Tin (Sn) | ≤ 10 ppm | 0.02 ppm | ICP-MS |
◆ Bulk constituent — reported on the COA but excluded from the impurity sum used for mass-balance reconciliation.
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.