Spectroscopic determination of sucrose
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United States of America Patent
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Sep 27, 2011
Grant Date -
Aug 13, 2009
app pub date -
Oct 11, 2006
filing date -
Oct 13, 2005
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Expired
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Abstract
A method for determining sugar concentration using spectropolarimetry and multivariate regression modeling A set of fixed polarizers are used in association with a spectrometer, which enables the measurement of optical rotation as absorbance values over a range of wavelengths. The adverse effects of color within the samples is corrected by measuring a background level of absorbance that is not due to optical rotation and using this as a baseline. A regression model is then developed for predicting sugar concentration in unknown samples. This method is effective even if the sample is colored.
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