Ultraviolet transmittance analyzing method and instrument
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United States of America Patent
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Jul 13, 1999
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app pub date -
Sep 16, 1997
filing date -
Sep 16, 1997
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Abstract
An ultraviolet transmittance analyzer for fabrics, translucent packaging, sunscreen products and the like using an internally pulsed white-light illuminated integrating sphere, exiting sample and reference diffusely reflected beams, and applying them respectively to separate sample and reference spectrographs with light detector arrays.
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