Method and apparatus for determining the degree of purity of a l

Details Method and apparatus for determining the degree of purity of a l Method and apparatus for determining the degree of purity of a l

1986-08-08

1987-12-01

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250575, 356435, 356442, G01N 1506

Patent

active

047106433

ABSTRACT:
Method and apparatus for monitoring the purity of a liquid in a container by passing a laser beam divided into two portions with the first portion passing through a pair of quartz windows with the liquid in a container therebetween, and the second portion being directed through the two windows and the liquid, the first portion being detected to detect the amount of solid particles in the liquid, and the second portion being detected to determine changes in refraction index to obtain a recording of the purity of the liquid.

REFERENCES:
patent: 3854878 (1974-12-01), Kiesow
patent: 3954342 (1976-05-01), Boeke
patent: 4099882 (1978-07-01), Andren et al.
patent: 4110044 (1978-08-01), Pettersson et al.
patent: 4468124 (1984-08-01), Berick

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