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Good_322

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[求助] 气相色谱测沼液中的有机酸

我想用HayeSep Q填充柱分析乙醇和有机酸体系, 乙醇有较好的峰型,有机酸拖尾严重。填料加2%H3PO3处理后,有机酸拖尾问题得到一定的改善,但是乙醇却不出峰了,基线上漂严重,要十几分钟后才能恢复基线值,大家帮忙分析一下是什么原因啊,是不是磷酸可以促进乙醇发生什么化学反应还是怎么回事啊。还有这个体系(水相)如果用FFPA柱分离,这种柱子使用寿命怎么样?
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