Test device

Details Test device Test device

G - Physics

01

N

73/97

G01N 31/06 (1980.01)

Patent

CA 1144393

ABSTRACT OF THE DISCLOSURE A test device for filtering liquid samples is described. The device comprises telescoping top and bottom members defining a liquid reservoir therebetween, resilient means for biasing the members in the open position, one or more test wells in the top member with bottom openings covered with microporous memberanes, a coreactant immobilized on the membrane surfaces, and sorbent means between the members spaced from the membrane(s) in the open position but in contact therewith in the closed position. Liquids are passed through the membrane(s) into the sorbent means by depressing the members to the closed position.

399710

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