Luminescent reaction testing

Details Luminescent reaction testing Luminescent reaction testing

1976-02-19

1977-03-22

Reese, Robert M.

Chemistry: physical processes

Physical processes

Crystallization

23230B, 195127, 356 36, 250361R, C12K 110, G01N 3316, G21H 500

Patent

active

040134180

ABSTRACT:
An improved apparatus for testing a sample by means of luminescent reaction to detect reactive materials therein. A ribbon of filter material, which may be translucent or opaque, is provided to filter the sample and to carry the residue to a reaction position. A translucent surface is provided to carry a reagent to the reaction position. Both surfaces are brought into mutual contact in the optical vicinity of a photodetector, which thereby detects the resulting luminescent reaction to provide an indication of the quantity of reactive material present in the sample. An improved pinion roller advances the ribbon of filter material in a reliable fashion. In an alternative embodiment, the ribbon of filter material is used without the translucent surface.

REFERENCES:
patent: 3690832 (1972-09-01), Plakas
patent: 3940250 (1976-02-01), Plakas et al.

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