Measuring Near Infra-Red Spectra Using a Demountable Nir Transmission Cell
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United States of America Patent
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Issued Date -
May 14, 2009
app pub date -
Mar 9, 2006
filing date -
Mar 16, 2005
priority date (Note) -
Abandoned
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Abstract
A process for measuring the NIR spectrum of a sample using a demountable NIR transmission cell of pathlength 2.5 mm or less, said process comprising: (a) measuring the etalon fringes that arise when NIR light passes through the NIR cell in the absence of a liquid sample, (b) using this to calculate the pathlength of the NIR cell (c) introducing the sample to be analyzed in to the NIR cell, and (d) measuring the NIR spectrum of the sample.
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