Chemistry: physical processes – Physical processes – Crystallization
Patent
1975-11-12
1976-09-07
Reese, Robert M.
Chemistry: physical processes
Physical processes
Crystallization
250361C, G01N 2130, G01N 3316
Patent
active
039791815
ABSTRACT:
An improved apparatus for testing a sample by means of luminescent reaction to detecting reactive materials therein. A translucent ribbon of filter material 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 a region between two photodetectors, which thereby detect 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.
REFERENCES:
patent: 3690832 (1972-09-01), Plakas
Reese Robert M.
Vitatect Corporation
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