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Proceedings Paper

Fiber optic on-line color monitor for flowing powders
Author(s): R. Gilbert Kaufman; James D. Slee
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Paper Abstract

A novel, working, fiber optic sensor is described which samples scattered light from a flowing white powder stream and monitors the yellowness with very high sensitivity and precision. The monitor does not make a primary measurement of color but is correlated to spectroscopic reflectance measurements of pressed pellets of the powder. It was specificaly developed for, and is used with, purified terephthalic acid, a monomer of polyester. It is, however, clearly applicable to any light scattering power or slurry.

Paper Details

Date Published: 18 August 1995
PDF: 6 pages
Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); doi: 10.1117/12.216824
Show Author Affiliations
R. Gilbert Kaufman, Technology Consulting (United States)
James D. Slee, Amoco Chemical Co. (United States)

Published in SPIE Proceedings Vol. 2622:
Optical Engineering Midwest '95
Rudolph P. Guzik, Editor(s)

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