该产品具有以下优点：
Ø 低紫外线吸收，确保最佳灵敏度；
Ø 严格控制非挥发性物质、游离酸、游离碱和水的含量至最低；
Ø 可用于荧光检测；
Ø 严格的梯度测试以检测干扰峰和基线漂移情况； | | Acetonitrile, ≥99.9% | | Water (by Karl Fisher) | ≤ 0.02% | | 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% | |
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