Chlorine analysis using fiber optics

Details Chlorine analysis using fiber optics Chlorine analysis using fiber optics

1985-06-17

1987-03-03

Evans, F. L.

Optics: measuring and testing

By shade or color

Fluid color transmission examination

356414, 356418, 356419, G01N 2185

Patent

active

046472100

ABSTRACT:
For measurement of chlorine concentration in a process stream, an improved device is set forth measuring light transmission in a selected frequency range. The preferred embodiment uses a light source, a light filter and an optical fiber extending to a pipe or other vessel with flowing chlorine. The light is transmitted from a lens system to another lens system and into a second optical fiber. The second fiber extends to a measuring device.

REFERENCES:
patent: 3740155 (1973-06-01), Keller et al.
patent: 3864044 (1975-02-01), Lyshkow
patent: 3899688 (1975-08-01), Perieres
patent: 4152073 (1979-05-01), Zimmerman
patent: 4534651 (1985-08-01), Minikane
patent: 4567366 (1986-01-01), Shinohara
Hawes et al., Anal. Chem., vol. 23, No. 3, 3/16/51, p. 503.

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