Connecting device for pneumatic and/or hydraulic circuits in col

Details Connecting device for pneumatic and/or hydraulic circuits in col Connecting device for pneumatic and/or hydraulic circuits in col

1981-12-04

1983-07-19

Adee, John

Liquid purification or separation

With means to add treating material

Chromatography

55386, B01D 1508

Patent

active

043942636

ABSTRACT:
The invention relates to a connecting device for fluid circuits in column chromatography. To ensure an inert connection without dead volumes, the device comprises a glass or fused silica thick-wall body with an inner capillary channel connected to the outside through radial holes. In such holes, metal or fused silica capillaries are inserted and each fixed by means of a coupling carrying a capillary set screw and a coupling fixing screw, with said screws acting on opposite positions of said body wall.

REFERENCES:
patent: 3119251 (1964-01-01), Bowers
patent: 3150517 (1964-09-01), Kuffer et al.
patent: 3922223 (1975-11-01), Burkhartsmeier
J. Chromatography, 91 (1974) 603-612, RIJKS et al., "Characterization of Hydrocarbons in Complex Mixtures by Two-Dimensional Precision Gas Chrom."
Chromatographia, vol. 10, No. 8, Aug. 1977, 473-477, Muller et al., "Experience and Problems with Capillary Glass Columns etc."
Siemens MP 44, 1979, 7-8.

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