Chemistry: physical processes – Physical processes – Crystallization
Patent
1973-11-23
1976-12-07
Wolk, Morris O.
Chemistry: physical processes
Physical processes
Crystallization
23259, 23253R, 23232C, 73 231, 210 31C, B01D 1508, G01N 3104, G01N 3106
Patent
active
039960170
ABSTRACT:
A chromatographic system including cassettes, each containing a separating column which is connected at each of its ends to a coupling piece having both of its ends in the form of conical surfaces on the outside of the cassettes. These conical coupling surfaces may be connected to complementary-shaped conical fittings in a fluid-tight manner to connect the inlet and outlet ends of the column of the chromatographic instrument lines such as, for example, the sample injector, stream splitter, backflushing inlet and outlet lines, detector and auxiliary gas flows. A special connection fitting allows the direct connection of the conical coupling surfaces of two column-containing cassettes, as well as connection to other parts of the chromatograph between the columns. Thus, the separating column cassettes may be utilized as components of various relatively simple and complex chromatographic systems.
REFERENCES:
patent: 3167396 (1965-01-01), Staunton et al.
patent: 3443416 (1969-05-01), Webb
patent: 3527567 (1970-09-01), Philyaw et al.
patent: 3682315 (1972-08-01), Haller
patent: 3897679 (1975-08-01), Guild
Lab Crest Chromatographic Columns, Cat. No. 80A270, 10/6/66.
Marcus Michael S.
Wolk Morris O.
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