Liquid purification or separation – With means to add treating material – Chromatography
Patent
1979-04-05
1980-10-14
Adee, John
Liquid purification or separation
With means to add treating material
Chromatography
55197, B01D 1508
Patent
active
042280087
ABSTRACT:
The present disclosure relates to a chromatographic device for the simultaneous collection and evaporation of sequential volatile non-aqueous eluates. The device integrates collection and evaporation steps by continuously feeding the collected eluate directly to an evaporation vessel via a column delivery tube. As the solvent is evaporated from the evaporation vessel, eluate is continuously fed to said vessel, thereby eliminating the need for manual transfer and reducing the chances of contamination. The device increases the surface area available for evaporation, allows for the evaporation of volumes of solvent greater than the capacity of the evaporation vessel and allows for as much as a 5-fold reduction in the time necessary to carry out the chromatography and evaporation procedure.
REFERENCES:
patent: 3427788 (1969-02-01), Caael et al.
patent: 3608276 (1971-09-01), Bloomer
patent: 3925207 (1975-12-01), Scaiba
patent: 3954617 (1976-05-01), Ishimatsu
patent: 4042499 (1977-08-01), Aamstan
Grew Raymond E.
Karol Robert J.
Adee John
Callwood James H.
Gould George M.
Hoffmann-La Roche Inc.
Saxe Jon S.
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