4L色谱纯梯度级乙腈
- 产地:中国大陆
- 供应商:北京诺特莱斯生物科技有限公司
- 供应商报价:电议
- 标签:4L色谱纯梯度级乙腈,生物试剂,生化试剂,供应4L色谱纯梯度级乙腈,北京诺特莱斯生物科技有限公司
| 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% |