Process for liquid-liquid sorbent extraction

Details Process for liquid-liquid sorbent extraction Process for liquid-liquid sorbent extraction

1974-09-23

1980-08-05

Hart, Charles N.

Chemistry: physical processes

Physical processes

Crystallization

210 21, 210 29, G01M 3100

Patent

active

042159946

ABSTRACT:
This invention relates to a process for extraction in which a sorbent wetted with one of two immiscible fluids exchanges the first fluid (nonpolar) for the second fluid (polar) and whereupon the first fluid extracts the desired substance(s) from the second fluid.

REFERENCES:
patent: 3452110 (1969-06-01), Cooley
patent: 3485592 (1969-12-01), Hathaway
patent: 3625652 (1971-12-01), Fujimoto et al.
Detection of Narcotic Drugs . . . Urine, Dole et al., JAMA, vol. 194, No. 4, Oct. 24, 1966.
Athin-Layer . . . Drug Abuse, Davidow et al., American Journal of Clinical Pathology, vol. 50, No. 6, 1968.

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