JoVE Journal

Environment

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Improving Infrared Spectroscopy Characterization of Soil Organic Matter with Spectral Subtractions

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08:57 min

January 10th, 2019

January 10th, 2019

12,115 Views

0:04

Title

1:28

SOM Removal by Chemical Oxidation and High-temperature Combustion

3:26

DRIFT Spectroscopy

5:48

Results: Soil Organic Matter Characterization by FTIR

7:35

Conclusion

文字起こし

This method can help improve characterization of organic matter and environmental solid matrices, such as soils and sediments. The main advantage of this technique is that it can reduce mineral interferences in soil spectra that limit interpretati

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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.

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