Absorption spectrophotometer

Details Absorption spectrophotometer Absorption spectrophotometer

G - Physics

01

N

73/55, 88/98

G01N 21/31 (2006.01)

Patent

CA 1119829

ABSORPTION SPECTROPHOTOMETER Inventor: Susan R. Popelka 3897 Grand Avenue Gurnee, Illinois 60031 ABSTRACT OF THE DISCLOSURE The present invention encompasses an absorption spectrophotometer comprising: a light source for irradiating a test sample; a means for focusing light from the light source to a location within the test sample; and a means for concentrating light transmitted through the test sample onto a beam splitting element which separates the light received into a test beam and a reference beam and directs the test beam through a first interference filter which passes light corresponding to an absorption band of the test sample to a first detector, and directs the reference beam through a second interference filter which passes a band of light outside the absorption band of the test sample to a second detector.

329074

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