Sample Certificate of Analysis
70%
Sample COA. Lot-specific COAs ship with each order.
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 69 – 71 % | 70 % | Titration |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic & Antimony (as As) | ≤ 0.0073 ppm | 0 ppm | ICP-MS |
| Chloride (Cl) | ≤ 0.15 ppm | 0.04 ppm | ICP |
| Color (APHA/Hazen) | ≤ 10 APHA | 5 APHA | Spectrophotometry |
| Heavy Metals (as Pb) | ≤ 0.73 ppm | 0 ppm | ICP-MS (as Pb) |
| Iron (Fe) | ≤ 0.15 ppm | 0 ppm | ICP-MS |
| Mercury (Hg) | ≤ 3.65 ppm | 1.09 ppm | ICP-MS |
| Nitrate (NO3) | ≤ 0.36 ppm | 0.11 ppm | ICP |
| Residue/Non-volatile | ≤ 0.01 % | 0 % | Residue on Ignition |
| Specific Gravity @20°C | 1.606 – 1.7059 g/mL | 1.611 g/mL | Hydrometer @ 25°C |
| Sulfite (SO3) | ≤ 7.3 ppm | 5 ppm | ICP |
| Turbidity | ≤ 1 NTU | 0.3 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.