COLUMN FOR LIQUID CHROMATOGRAPHY Russian patent published in 1994 - IPC

FIELD: measurement technology. SUBSTANCE: column has a pipe packed with sorbent to the ends of which are attached porous filters, a pipe holder which is of variable length and made up of two parts linked so as to be able to move relative to each other along the pipe. At the ends of the pipe are situated coupling nuts with nipples into which the ends are inserted. Flanges of the nipples are engageable with sealing members fixed to the parts of the holder. EFFECT: enlarged operating capabilities. 2 cl, 1 dwg