Analytical photometer, in particular multi-channel, applied to a

Details Analytical photometer, in particular multi-channel, applied to a Analytical photometer, in particular multi-channel, applied to a

1985-11-19

1988-02-02

Evans, F. L.

Optics: measuring and testing

By shade or color

Fluid color transmission examination

356427, G01N 2127

Patent

active

047226064

ABSTRACT:
In an analytical photometer, in particular multi-channel, for the simultaneous analysis of a multiplicity of samples, the light source provided is a flash tube for producing light pulses in which a permanent preionization discharge is maintained and the light energy is derived by optical fibres to be sent to optical systems where the beam is divided into an analysis beam which travels through the sample and a reference beam, both finally delivered to photodetectors. Both the divided beams pass through identical filtering systems for selection of a narrow spectral band of relevance for analytical purposes.

REFERENCES:
patent: 3599002 (1971-08-01), Beutelspacher et al.
patent: 3807874 (1974-04-01), Gropper
patent: 4312593 (1982-01-01), Baker et al.
patent: 4329062 (1982-11-01), Haar et al.
patent: 4406547 (1983-09-01), Aihara
patent: 4482251 (1984-11-01), Saylor
patent: 4652137 (1987-03-01), Calzi
Jauch, J. Physc. F: Sci. Instrum., vol. 12, No. 12, Dec. 1979, pp. 1171-1175.

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