Integral reagent dispenser

Details Integral reagent dispenser Integral reagent dispenser

1982-11-15

1985-05-07

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

206219, 422 82, 422100, 422 63, 436 53, G01N 100, G01N 3508

Patent

active

045157537

ABSTRACT:
The integral reagent dispenser disclosed comprises a reagent dispenser component provided with a reagent dispenser well having an opening adapted to present a liquid reagent for withdrawal therethrough and means to position a lens of liquid immiscible with said reagent between the reagent and the opening of said well. For example, the dispenser can have suitable dimensions and an inner surface which combine with the wetting characteristics of the reagent to form a concave reagent meniscus suitable to reliably position a lens of immiscible liquid thereon. The lens so formed is centrally located by the concave shape of the meniscus. Preferably, the reagent dispenser further includes an integrally associated source of reagent.

REFERENCES:
patent: 3432275 (1969-03-01), Unger
patent: 3449081 (1969-06-01), Hughes
patent: 3713779 (1973-01-01), Sirago et al.
patent: 3986834 (1976-10-01), Steinbrink
patent: 4121466 (1978-10-01), Reichler et al.
patent: 4332768 (1982-06-01), Berglund
patent: 4357301 (1982-11-01), Cassaday et al.

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