Spectrophotometer

Details Spectrophotometer Spectrophotometer

1982-03-24

1984-11-27

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

G01J 342

Patent

active

044848153

ABSTRACT:
A double-beam spectrophotometer comprising a light source, a monochromator, optical means for causing the monochromatic light beam from the monochromator to alternately advance along a pair of optical paths, the axes of which intersect generally perpendicularly to each other, a pair of cells each disposed in one of the two optical paths, and a photoelectric detector disposed at or adjacent the point of intersection of the pair of optical paths.

REFERENCES:
patent: 2494440 (1950-01-01), Haynes
patent: 3516746 (1970-06-01), Shibata et al.
patent: 4283142 (1981-08-01), De Steur et al.

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