Device for cyclically repeating a series of colorimetric analysi

Details Device for cyclically repeating a series of colorimetric analysi Device for cyclically repeating a series of colorimetric analysi

1976-10-18

1978-05-23

Evans, F. L.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

23253R, 356188, 356244, G01J 350

Patent

active

040907910

ABSTRACT:
A device for colorimetric analysis of samples comprises a plurality of groups of receptacles, means for bringing these groups successively to a testing station, and means for automatically performing a cycle of analysis on the receptacles of the group at that station. The analysis means includes a light source, a photodetector aligned therewith, and a plurality of filters. The receptacles of each group and respective filters are moved successively into alignment with the source and detector so that the contents of each receptacle are analyzed with the aid of the correct corresponding filter.

REFERENCES:
patent: 3748044 (1973-07-01), Liston
patent: 4004150 (1977-01-01), Natelson

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