Solid phase extraction plate

Details Solid phase extraction plate Solid phase extraction plate

1997-08-04

1999-05-25

Thornton, Krisanne

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422104, 436180, 436809, B01L 300

Patent

active

059067969

ABSTRACT:
A solid phase extraction plate includes a unitary tray having a plurality of spaced-apart discrete upstanding chambers molded therein with each chamber having a top opening and a bottom nozzle with downwardly tapering sidewalls extending between the top opening and the bottom nozzle. A plurality of solid phase extraction disks are provided and one secured in each of the plurality of chambers without the use of frits or retainer rings utilizing instead tapered sidewalls of the chamber for enabling a press fit of the disks therein.

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patent: 4927604 (1990-05-01), Mathus et al.
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patent: 5264184 (1993-11-01), Aysta et al.
patent: 5283039 (1994-02-01), Aysta
patent: 5403489 (1995-04-01), Hagen et al.
patent: 5417923 (1995-05-01), Bojanic et al.

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