Method and device for determining the quantity of dispersed soli

Details Method and device for determining the quantity of dispersed soli Method and device for determining the quantity of dispersed soli

1987-01-29

1988-09-27

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356442, G01N 1506

Patent

active

047744170

ABSTRACT:
A device and method are provided for determining the amount of solid material dispersed in a liquid. The device and method allow for the passage of a beam of light into the liquid containing the dispersed solid through the meniscus of a gas-liquid interface window which is formed. The meniscus is periodically or continuously renewed by a flow of gas. The scattering or transmission of the light through the liquid is then detected and provides a measurement of the amount of solid material dispersed in the liquid.

REFERENCES:
patent: 3627419 (1971-12-01), Thevenier
patent: 3734629 (1973-05-01), Griffiths
patent: 3906241 (1975-09-01), Thompson
patent: 4544840 (1985-10-01), Keller

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