Macroencapsulated sorbent element and process for using the same

Details Macroencapsulated sorbent element and process for using the same Macroencapsulated sorbent element and process for using the same

1976-08-03

1978-12-26

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

23230B, 55387, 422 69, 422 88, 210282, 23232R, 210502, 210DIG23, 210DIG24, B01D 1500, B01D 5302

Patent

active

041315448

ABSTRACT:
Described herein is a sorbent element, especially useful for removing matter from a liquid system, comprising particulate sorbent material such as charcoal, ion exchange resins and silicas, substantially loosely encapsulated within a porous filter membrane such as woven polypropylene or Teflon. A particular application of the encapsulated element is in the qualitative and quantitative analysis of drugs contained in biological samples. Sorption processes utilizing the novel sorbent element are also described, as well as apparatus for performing analytical techniques utilizing the sorbent element.

REFERENCES:
patent: 3252270 (1966-05-01), Pall et al.
patent: 3310176 (1967-03-01), Ziherl et al.
patent: 3327859 (1967-06-01), Pall
patent: 3507618 (1970-04-01), Murty
patent: 3519390 (1970-07-01), Dickey et al.
patent: 3743482 (1973-07-01), Eisentrant
patent: 3888250 (1975-06-01), Hill

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