Title: Apparatus for automatically purifying extracts of vegetable and animal specimens for the determination free from interference of traces of selected extract constituents

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.

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Inventors: Ebing, Winfried (1 Berlin 31, DT)
Pflugmacher, Jochen

Application Number: 394586
Filing Date: 1973-09-05
Publication_date: 1976-01-20
Assignee:
Primary Class(es): 422/109 422/261, 426/231, 426/331
Other Classes:
US Patent Ref:

3199956	Aug, 1965	Ferrari	23/267.
3424557	Jan, 1969	Skeggs	23/253.
3589868	Jun, 1971	Hozumi	23/253.
3607073	Sep, 1971	Stamm	23/232.
3669629	Jun, 1972	Paramonov	23/259.
3765461	Oct, 1973	Keck	23/259.
3794467	Feb, 1974	Adams et al.	23/253.
3811842	May, 1974	Diebler et al.	23/259.

Other Refs:
Primary Examiner: Scovronek, Joseph
Assistant Examiner:
Attorney: Smith, Jr.; John C.