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18 August 1995 Fiber optic on-line color monitor for flowing powders
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Proceedings Volume 2622, Optical Engineering Midwest '95; (1995)
Event: Optical Engineering Midwest '95, 1995, Chicago, IL, United States
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.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. Gilbert Kaufman and James D. Slee "Fiber optic on-line color monitor for flowing powders", Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995);

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