Distribution method and distribution device of mobile phases of chromatographic columns
A distribution method and a technology of a distribution device, which are applied in the field of mobile phase distribution in a chromatographic column, can solve the problems of reduced distribution uniformity, uneven initial fluid distribution, and influence on separation effect, so as to achieve easy clogging, easy cleaning and repeated use, The effect of simple structural design
Active Publication Date: 2010-01-27
BEIJING CHUANGXIN TONGHENG SCI & TECH
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The invention discloses a distribution method and a distribution device of mobile phases of chromatographic columns. The distribution method comprises the steps: adopting a circular distributor matched with a cross section for preparing a chromatographic column; divergently arranging distribution liquid paths of liquid phases outwards in a tree shape along the center on the distributor; installing a distribution hole on the end of each distribution liquid path of liquid phases, wherein the lengths from the center of the distributor to the same-specification distribution liquid paths of liquid phases of all the distribution holes are equal; evenly distributing the liquid phases from the center of the distributor along each distribution liquid path of liquid phases to each distribution hole; and then evenly distributing the liquid phases to fixed phases of chromatographic columns. The distribution method can effectively eliminate the defect that the residence times of the mobile phases on a distribution system have serious differences along with the increase of the diameters of the chromatographic columns, can realize the even initial distribution of the mobile phases entering the chromatographic columns and can not be influenced by the high-pressure transport of the mobile phases. The distribution device has the advantages of simple structural design, difficult blockage, easy washing and repeated use.
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