Convertible dual beam differential spectrofluorometer and absorp

Details Convertible dual beam differential spectrofluorometer and absorp Convertible dual beam differential spectrofluorometer and absorp

1977-11-11

1979-05-08

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

250461R, 356324, 356246, G01J 330, G01J 110

Patent

active

041533690

ABSTRACT:
A dual beam differential spectrophotometer using a rotating chopper wheel having reflective transparent, and opaque sectors transmits light alternately through standard and sample material cells for comparison. Diffuse reflectors insertable in the material cells permit the apparatus to be used either as a differential spectrofluorometer or as a differential absorption meter.

REFERENCES:
patent: 3854050 (1974-12-01), Peterson et al.
patent: 3886363 (1975-05-01), Ohnishi et al.
patent: 3891853 (1975-06-01), Kremen et al.
patent: 3936190 (1976-02-01), Ohnishi et al.
Durham, III et al., IBM Technical Disclosure Bulletin vol. 19, No. 4, Sep. 1976, pp. 1351-1354.

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