Spectroscopic photometer for flow through sample absorption

Details Spectroscopic photometer for flow through sample absorption Spectroscopic photometer for flow through sample absorption

1986-08-19

1989-04-18

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

356320, 356411, G01J 342, G01J 3427

Patent

active

048221686

ABSTRACT:
An analyzing apparatus provided with a spectroscopic photometer, in which light emitted by a deuterium lamp enters a flow cell; light transmitted by the flow cell is divided into two light beams by means of a beam splitter, one of which is received by a detecting element for sample measurement and the other of which is received by a detecting element for monitoring through a filter transmitting only light in a predetermined wavelength region, which is not essentially absorbed by the sample; and a signal processing device compares the output signal of the detecting element for sample measurement with that of the detecting element for monitoring and effects necessary operations.

REFERENCES:
patent: 2734418 (1956-02-01), Enns
patent: 4030828 (1977-06-01), Sonobe et al.
patent: 4279511 (1981-07-01), Maute et al.
patent: 4367041 (1983-01-01), Webb, Jr. et al.
patent: 4557601 (1985-12-01), Kuroishi et al.

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