Sample Certificate of Analysis
93%
Sample COA. Lot-specific COAs ship with each order.
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 91.8 – 94.2 % | 93 % | Titration |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic & Antimony (as As) | ≤ 0.01 ppm | 0.01 ppm | ICP-MS |
| Chloride (Cl) | ≤ 0.2 ppm | 0.05 ppm | ICP |
| Color (APHA/Hazen) | ≤ 100 APHA | 3 APHA | Spectrophotometry |
| Heavy Metals (as Pb) | ≤ 5 ppm | 2 ppm | ICP-MS (as Pb) |
| Iron (Fe) | ≤ 50 ppm | 1 ppm | ICP-MS |
| Mercury (Hg) | ≤ 5 ppm | 0.01 ppm | ICP-MS |
| Nitrate (NO3) | ≤ 0.5 ppm | 0.1 ppm | ICP |
| Residue/Non-volatile | ≤ 0.01 % | 0 % | Residue on Ignition |
| Specific Gravity @20°C | 1.825 – 1.835 g/mL | 1.8245 g/mL | Hydrometer @ 25°C |
| Sulfite (SO3) | ≤ 50 ppm | 11.5 ppm | ICP |
| Turbidity | ≤ 50 NTU | 1 NTU | EPA 180.1 |
Generated . Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.