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xiajourney

金虫 (小有名气)

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10楼: Originally posted by 竹水月 at 2016-01-27 12:13:03
换跟PEG的色谱柱试试,前段时间做过乙酸丁酯和其它几种溶剂,分离效果不错的

我用过了 不行 高浓度的还可以 浓度太低就不行了

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11楼2016-01-30 08:13:44
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xiajourney

金虫 (小有名气)

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8楼: Originally posted by zhanyz at 2016-01-26 22:58:18
通常情况是浓度高不好分开。不知道什么柱子,因为含大量水,若水先出峰,则会严重影响后面的峰。...

对 是水的浓度大 掩盖了酯的峰

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12楼2016-01-30 08:14:59
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