This paper summarizes the capillary column types of Agilent 7890 GC systemally,analysis of the reasons for column selection,notice of how to install,use,aging,etc,the aim is to improve efficiency,longer column life.%系统总结了安捷伦7890毛细管色谱柱种类,分析了色谱柱的选择标准,介绍了安装、使用、老化等色谱柱注意事项,目的是提高色谱柱的使用效率,延长色谱柱的使用寿命。
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