Wyatt Technology Corporation

Steven T Monser

Gary R Janik

Douglas W Shepard

A capillary tube used to transfer a liquid sample into a detection cell following separation by a chromatographic system is modified by plugging or otherwise severely restricting its flow. Near its plugged end, said tube is drilled to provide a plurality of holes or ports perpendicular thereto and penetrating to the central flowing core of said tube so as to direct outflow from the tube perpendicularly therefrom. The outer diameter of this somodified capillary tube is selected to be of a size comparable to, though smaller than, the detection cell diameter into which it transfers the flowing sample. In this manner, fluid transferred into a detection cell by said modified capillary tube will be split into a plurality of smaller streams flowing outwardly therefrom and striking the adjacent detector cell walls almost immediately. Because of the close proximity of the emerging split streams to the walls of the detection cell, the eddies produced thereby will be very small and the contents of the detection cell will be homogenized rapidly.

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Santa Barbara, CA, United States of America

Steven T Monser