Pathlength-independent methods for optically determining material composition
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United States of America Patent
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Mar 7, 2006
Grant Date -
Sep 25, 2003
app pub date -
Dec 12, 2002
filing date -
Dec 14, 2001
priority date (Note) -
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Abstract
A method uses spectroscopy to determine an analyte concentration in a sample. The method includes producing an absorbance spectrum of the sample. The method further includes shifting the absorbance spectrum to zero in a wavelength region. The method further includes subtracting a water or other substance contribution from the absorbance spectrum.
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