Optics: measuring and testing – By shade or color – Fluid color transmission examination
Patent
1977-06-02
1979-06-26
Evans, F. L.
Optics: measuring and testing
By shade or color
Fluid color transmission examination
356414, G01J 350
Patent
active
041591798
ABSTRACT:
An improved Colorimeter which can be used to analyze samples in either a stationary mode (e.g. in a test tube) or in a flow-through mode wherein the sample flows through the apparatus. The Colorimeter is equipped with means to direct the illuminating radiation selectively to either mode of sample.
REFERENCES:
patent: 3010798 (1961-11-01), Whitehead et al.
patent: 3503683 (1970-03-01), Isreeli et al.
Evans F. L.
Field Lawrence I.
The Baltimore Spice Company
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