品牌:美国SMA
产品规格:4L
发货:3天内
发送询价
SMA HPLC级乙腈 4L/瓶
| 该产品具有以下优点: | |
| Acetonitrile ≥99.9% | |
| Water (by Karl Fisher) | ≤ 0.006% |
| Non-volatile matter | ≤ 0.0005% |
| Free acid (as CH3COOH) | ≤ 0.001% |
| Free alkali (as NH3) | ≤ 0.0002 % |
| Fluorescence at 254 nm | ≤ 1ppb |
| Fluorescence at 365 nm | ≤ 0.5ppb |
| Transmittance at 193 nm | ≥ 60% |
| Transmittance at 195 nm | ≥ 80% |
| Transmittance at 230 nm | ≥ 98% |
