Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1985-03-14
1988-02-23
Rosenberger, R. A.
Optics: measuring and testing
By particle light scattering
With photocell detection
356343, 356344, G01N 2100, G01N 2147, G01N 2151
Patent
active
047266813
ABSTRACT:
A method of monitoring the deflocculation of particles in a suspension, which particles, when deflocculated, are such that they can become aligned in an applied field, comprises applying a beam of radiation to a region of the suspension, applying a field to the region and detecting a change, if any, in radiation scattering properties of said region due to the aligning of deflocculated particles if any, of the suspension in the field, the method comprising applying such a field to such a region of a first sample of suspension whose degree of deflocculatin is desired to be monitored and applying such a field to such a region of a second sample of suspension, whose particles are known to be substantially fully deflocculated, detecting the change in radiation scattering properties of each region due to the field to produce a respective output indication, and comparing the indications to produce an indication related to the degree of deflocculation of the particles in the first suspension.
REFERENCES:
patent: 3692412 (1972-09-01), Chubb
patent: 4011044 (1977-03-01), Uzgiris
patent: 4113596 (1978-09-01), Treille et al.
patent: 4627727 (1986-12-01), Jennings et al.
E.C.C. International Limited
Klauber Stefan J.
Rosenberger R. A.
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