Apparatus for measuring fine particles in liquid

Details Apparatus for measuring fine particles in liquid Apparatus for measuring fine particles in liquid

1988-04-28

1991-11-26

Willis, Davis L.

Optics: measuring and testing

By particle light scattering

With photocell detection

250576, G01N 2153

Patent

active

050678140

ABSTRACT:
An improved apparatus for measuring fine particles in a liquid includes a nozzle for spouting water from within one end of a cell towards an opposite end thereof. An incident light beam traverses the spouted water to scatter light towards a light detection system exteriorly of the cell. The detection system includes a stop for excluding scattered light from being detected and which resulted from fine particles outside a central portion of the spouted liquid.

REFERENCES:
patent: 4178103 (1979-12-01), Wallace
patent: 4226532 (1980-10-01), Berber et al.
McFadyen et al., "An Automatic Flow Ultramicroscope for Submicron Particle Counting and Size Analysis", J. Colloid & Interfare Sci., vol. 45, No. 3, pp. 573-583, 12/73.

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