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10楼: Originally posted by 如果暖日 at 2016-05-04 12:37:28
为什么会这样呢?与进样量有什么关系呢?我的峰图也这样,前沿,拖尾因子才0.7左右,我还没找到解决方法呢...

他说的还是让人有些怀疑,20UL定量换怎么能进40、60ul呢?手动进样应该是满环进样。只能小于定量环体积。应该不是20ul的环。之所以如他所说,应该是溶剂效应,他用的溶剂强于流动相,进样体积大就会出现这种情况。在UPLC上,这种情况更易发生。你的峰形差,原因太多,你只能逐步排查。流动相体系,色谱柱,溶剂,进样量等,都可能影响。
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11楼2016-05-04 21:36:22
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