Device for handling porous matrixes and an analysis apparatus co

Details Device for handling porous matrixes and an analysis apparatus co Device for handling porous matrixes and an analysis apparatus co

1987-12-10

1990-03-20

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422 63, 422 69, 422101, 422104, 436809, 435805, B01L 300, G01N 3506

Patent

active

049099922

ABSTRACT:
A device for handling porous solid matrixes (16) in analytic determinations of the type comprising at least one reaction step, which is performed in the very matrixes by absorption of a liquid phase therein, comprises a holder (1) and at least one matrix carrier (2), each of which can retain a matrix (16) while at the same time permitting liquid which surrounds the matrix carrier to substantially unobstructedly be absorbed by the matrix. The holder (1) is provided with at least one gripping body (11) projecting therefrom, each of which can detachably carry a corresponding matrix carrier (2), and at least one squeezing body (11), each of which can be pressed against the porous matrix for squeezing out liquid from the same.
An analysis apparatus comprises such a handling device, the holder (1) of which is carried by a driving mechanism in the apparatus, which driving mechanism has driving means for both horizontal and vertical displacement of the holder (1), so that matrix carriers (2) carried by the same can be moved horizontally between adjacent liquid containers (29, 29', 30) and vertically down into and up from selected liquid containers.

REFERENCES:
patent: 2789307 (1957-04-01), Sussman
patent: 3161905 (1964-12-01), Dryden
patent: 3560162 (1971-02-01), Mittleman
patent: 4200613 (1980-04-01), Alfrey et al.
patent: 4216562 (1980-08-01), Strahs
patent: 4438540 (1984-03-01), Senour
patent: 4483925 (1984-11-01), Noack

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