Lower sealing means for chromatographic column

Details Lower sealing means for chromatographic column Lower sealing means for chromatographic column

1980-05-20

1982-01-05

Turk, Arnold

Liquid purification or separation

With means to add treating material

Chromatography

73 611C, G01N 3108

Patent

active

043092861

ABSTRACT:
An improved lower sealing means for a chromatographic column including a disc of phase separation paper transversely disposed within the column at its bottom portion and a flanged retaining ring in contact with the paper disc at its periphery and sealingly engaging the interior walls of the column. Preferably, both the column and the retaining ring are formed of polyolefin material.

REFERENCES:
patent: 3539300 (1970-11-01), Stone
patent: 3682321 (1972-07-01), Smith
patent: 3815752 (1974-06-01), Hoffman et al.
patent: 4155846 (1979-05-01), Novak et al.
patent: 4162979 (1979-07-01), Wahlefeld et al.
patent: 4168147 (1979-09-01), Acuff

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