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液相柱子整个进了空气该怎么办

更新时间: 2020-09-22 00:00:00     

液相柱子进空气有三种解决办法,具体方法如下:

1、用纯甲醇,或者纯乙腈,小流速0.2ml每min到0.4ml每min冲洗过夜;

2、如果有铁架台,让色谱柱大头朝上,就是流动相由下方流入,由上方流出,然后再接入废液,一般气泡比较轻,容易往上面走;

3、也可以考虑用异丙醇冲洗,不过异丙醇对色谱柱的填料可能会有一定的伤害,所以需要慎重。

关键词: 液相 柱子 整个 空气 怎么办

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