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% |
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