Liquid purification or separation – With means to add treating material – Chromatography
Patent
1979-11-09
1981-09-15
Smith, William F.
Liquid purification or separation
With means to add treating material
Chromatography
55386, 422 70, C02F 168, G01N 3106
Patent
active
042896207
ABSTRACT:
An improved high pressure glass column for high performance liquid chromatography which comprises, both ends of the high pressure glass column on which flanges made of the same glass material are arranged, two column end fitting plugs which are made of a fluorine-contained resin and have a small bore for the effluent flow bored in their center, a piston part of a fitting plug inserted in the bore syringe part of the column end and a flange arranged to attach to the flange of the glass column tube, where the inside of the end of the piston part is formed with a conic shape and one or more narrow circled hollows are formed around the outlet of the piston part, two filters made of the fluorine-contained resin placed in between the both ends of the piston part of the fitting plug and the solvent material packed into the column, and two clips fitting and holding the two flanges of the column and the plugs.
REFERENCES:
patent: 3250395 (1966-05-01), Blume
patent: 3474908 (1969-10-01), Catravas
patent: 3791522 (1974-02-01), Eisenbeiss et al.
patent: 4131547 (1978-12-01), Michel et al.
Suoboda, Vratislav et al., Journal of Chromatography, 148 (1978), 75-77.
Konkol Chris
Smith William F.
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