看的一本书中说：“Increasing pressure increases the retention K of the sample in the stationary phase. The sample has a longer period to interact with the column and to improve separation.” 为什么载气压力增大，会使得样品与柱的作用时间变长，保留值K增大啊？ 怎么理解这句话啊？
2楼能否讲的再详细些啊。加大压力难道不会使流速增大吗？接触时间变短吗？
补充：GC CONTROL VARIABLES 1.Stationary phase chemistry…… 2.…… …… 6.Carrier Gas Pressure：Increasing pressure increases the retention K of the sample in the stationary phase. The sample has a longer period to interact with the column and to improve separation.In systems offering programmable electronic pressure control, this variable offers real potential as a gradient control variable in methods development. 7.……
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