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Improving Infrared Spectroscopy Characterization of Soil Organic Matter with Spectral Subtractions

DOI :

10.3791/57464-v

January 10th, 2019

January 10th, 2019

11,858 Views

1Department of Crop Sciences, University of Illinois Urbana-Champaign, 2Department of Land, Air and Water Resources, University of California Davis, 3Central Great Plains Resources Management Research, USDA ARS

SOM underlies many soil functions and processes, but its characterization by FTIR spectroscopy is often challenged by mineral interferences. The described method can increase the utility of SOM analysis by FTIR spectroscopy by subtracting mineral interferences in soil spectra using empirically obtained mineral reference spectra.

Tags

Infrared Spectroscopy

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