Diffusion cell with filter screen

Details Diffusion cell with filter screen Diffusion cell with filter screen

1993-06-16

1994-03-22

Savage, Matthew O.

Liquid purification or separation

Diverse distinct separators

Including a filter

210319, 21032163, 73 6447, B01D 6508

Patent

active

052961397

ABSTRACT:
A diffusion cell to facilitate the automated removal of test aliquots of liquid from a receptor chamber of the diffusion cell so as to determine percutaneous absorption through a membrane of a donor media from a donor chamber into the receptor chamber of the diffusion cell. There is utilized a sampling port through which the test aliquot is to be removed, the removal being achieved by means of a sample tube. Within the receptor chamber is located a stirring device in the form of a helical coil which is to be rotated to achieve stirring and homogeneous mixing of the liquid within the receptor chamber. Mounted within the coil is a filter screen to prevent particulate matter over a certain size from entering the sample tube and clogging such.

REFERENCES:
patent: 4594884 (1986-06-01), Bondi et al.
patent: 5198109 (1993-03-01), Hanson et al.

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