Sample Certificate of Analysis
USP Grade · 70%
Sample COA. Lot-specific COAs ship with each order.
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (GC) | 69.5 – 70.5 % | 69.5 % | GC |
| Acidity (as acetic) | ≤ 10 ppm | 6 ppm | Titration |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic (As) | ≤ 1 ppm | 0.5 ppm | ICP-MS |
| Color (APHA) | ≤ 5 APHA | 3 APHA | APHA |
| Lead (Pb) | ≤ 1 ppm | 0.5 ppm | ICP-MS |
| Residue on Evaporation | ≤ 50 ppm | 15 ppm | Evaporation |
| Specific Gravity @20°C | 0.783 – 0.787 g/mL | 0.785 g/mL | Hydrometer @ 25°C |
| Water (Karl Fischer) | ≤ 1 % | 0.5 % | Karl Fischer |
Generated . Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.