合作熱線
022-85685011
022-85685011
| 色譜級(jí) | HPLC | |
| 純度 | Purity(GC) | |
| 紅外光譜 | as n-Hexane | ≥95.0% |
| 蒸發(fā)殘?jiān)?/span> | as C6 Hydrocarbons | ≥99.5% |
| 水分 | Identity(IR) | Conforms（合格） |
| 酸度 | Residue on evaporating | ≤3mg/L |
| 堿度 | Water | ≤100ppm |
| 透過率 | Acidity | ≤0.0002meq/g |
| Alkalinity | ≤0.0002meq/g | |
| Transmission | ||
| -at 210nm | ≥50% | |
| -at 220nm | ≥85% | |
| -from 254nm | ≥98% | |
