Method for measuring the size of objects in a fluid medium

Details Method for measuring the size of objects in a fluid medium Method for measuring the size of objects in a fluid medium

1986-06-17

1988-09-06

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

356318, 356335, 2504591, G01N 2164, G01N 2165, G01N 1502

Patent

active

047688793

ABSTRACT:
A method for determining the size of moving objects present in a transparent or translucent fluid medium comprises illuminating a zone of the suspension with monochromatic light, collecting scattered light having a wavelength characteristic of the objects or of the medium, and measuring the intensity and variations in intensity of the collected light. The data thus obtained may be compared with data obtained from corresponding measurements of corresponding mediums containing corresponding objects of known size.

REFERENCES:
patent: 3887812 (1975-06-01), Hirschfeld
patent: 4408880 (1983-10-01), Tsuj et al.
patent: 4573761 (1986-03-01), McLachlan
Journal of Polymer Science, pt. C, "Particle Size Distribution by Flow Ultramicroscopy", Davidson et al., pp. 235-255, 1971, No. 35.

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