Chemistry: physical processes – Physical processes – Crystallization
Patent
1973-09-05
1976-01-20
Scovronek, Joseph
Chemistry: physical processes
Physical processes
Crystallization
23259, 23267R, 23267MS, 426231, 426331, B01D 1100, G01N 3302, G01N 3316
Patent
active
039334376
ABSTRACT:
An automatically controlled apparatus for purifying extracts of vegetable and animal specimens for the determination free from interference of traces of selected extract constituents by a combined flushing and codistilling process of the extracts with solvents comprises for the reception of samples detachable sample coils through which an inert gas stream obtained from a source of supply and carrying a solvent flowing substantially continuously from a supply vessel is conducted and purifying tubes which are connected to said sample coils and extend through a stove and terminate in cooling coils in receivers.
REFERENCES:
patent: 3199956 (1965-08-01), Ferrari
patent: 3424557 (1969-01-01), Skeggs
patent: 3589868 (1971-06-01), Hozumi
patent: 3607073 (1971-09-01), Stamm
patent: 3669629 (1972-06-01), Paramonov
patent: 3765461 (1973-10-01), Keck
patent: 3794467 (1974-02-01), Adams et al.
patent: 3811842 (1974-05-01), Diebler et al.
Ebing Winfried
Pflugmacher Jochen
Scovronek Joseph
Smith, Jr. John C.
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