Process for characterizing suspensions of small particles

Details Process for characterizing suspensions of small particles Process for characterizing suspensions of small particles

1985-09-09

1987-12-01

Willis, Davis L.

Optics: measuring and testing

By particle light scattering

With photocell detection

250524, 356336, 364525, 364555, G01N 2153

Patent

active

047100257

ABSTRACT:
An apparatus and process are described for the characterization and/or identification of suspensions of microparticles based upon the measurement of certain optical observables produced as the suspension is illuminated by a beam of light, or other electromagnetic radiation. Selected observables calculated from the scattered radiation detected by a plurality of detectors surrounding the thus-illuminated suspension are then used to recall specific maps, from a computer memory means, one for each observable. The common overlap region of said map yields characterizing or identifying particle suspension physical parameters.

REFERENCES:
patent: 3770351 (1973-11-01), Wyatt
patent: 3901602 (1975-08-01), Gravatt, Jr.
patent: 4070113 (1978-01-01), Frazer et al.
patent: 4173415 (1979-11-01), Wyatt
patent: 4548500 (1985-10-01), Wyatt et al.

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