| Expiration date | Exp 12 months from mfg date |
| Evaporation residue | 1ppm max |
| Filtered through 0.2 µm filter | To pass test |
| Fluorescence as quinine at 254 nm | 1ppb max |
| Fluorescence as quinine at 365 nm | 1ppb max |
| Gradient at 210 nm | 2mAU max |
| Gradient at 254 nm | 0.5mAU max |
| LC/MS Purity (p-nitrophenol) | 50ppb max |
| LC/MS Purity (reserpine) | 50ppb max |
| Metals, suitable for LC/MS | Passes test |
| UV Abs. at 200 nm | 0.01AU max |
| UV Abs. at 210 nm | 0.01AU max |
| UV Abs. at 220 nm | 0.01AU max |
| UV Abs. at 230 nm | 0.01AU max |
| UV Abs. at 240 nm | 0.01AU max |
| UV Abs. at 250 nm | 0.005AU max |
| UV Abs. at 270 nm | 0.005AU max |
| UV Abs. at 400-280 nm | 0.005AU max |
| UV Cut-off | 190nm max |
