Sample Certificate of Analysis
69%
Sample COA. Lot-specific COAs ship with each order.
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay | 68 – 70 % | 69 % | Titration/Gravimetric |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic | ≤ 0.01 ppm | 0 ppm | Per specification |
| Chloride | ≤ 0.05 ppm | 0 ppm | Ion chromatography |
| Color (APHA) | ≤ 10 APHA | 3 APHA | ASTM D1209 |
| Heavy Metals | ≤ 0.5 ppm | 0 ppm | ICP |
| Iron | ≤ 0.1 ppm | 0 ppm | ICP |
| Residue on Evaporation | ≤ 2 ppm | 0.6 ppm | Evaporation |
| Specific Gravity @20°C | 1.408 – 1.413 g/mL | 1.41 g/mL | Hydrometer @ 25°C |
| Sulfate | ≤ 0.2 ppm | 0 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.