Method for determining the onset of crystallization

Details Method for determining the onset of crystallization Method for determining the onset of crystallization

1984-12-04

1987-06-09

Wan, Gene

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2502222, G01N 2149

Patent

active

046722181

ABSTRACT:
A method for determining the onset of nucleation wherein a zone of a translucent fluid in which crystals may be formed is illuminated by a beam of light. When crystallization commences the crystals in the illuminated zone reflect and scatter light. Some of the scattered light is collected and transmitted to a light sensitive detector operable to generate a signal indicative of nucleation. Upon detection of nucleation either manual or automatic procedures may be instituted to modify the crystallization process in an appropriate manner.

REFERENCES:
patent: 3695763 (1972-10-01), Shiuh

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