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Quantitative 31P NMR Analysis of Lignins and Tannins
JoVE Journal
Chemistry
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JoVE Journal Chemistry
Quantitative 31P NMR Analysis of Lignins and Tannins

Quantitative 31P NMR Analysis of Lignins and Tannins

DOI:
10.3791/62696-v

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05:57 min

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August 02, 2021

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, ,
1Department of Molecular Sciences and Nanosystems,Ca’ Foscari University of Venezia, 2Departments of Chemistry and Forest Biomaterials,North Carolina State University

Chapters

  • 00:05Introduction
  • 00:38Sample Pretreatment and NMR Sample Solution Preparation
  • 02:11NMR Analysis
  • 02:40NMR Spectrum Processing
  • 04:10Results: The Quantitative NMR Analysis of Derivatized Lignin and Tannin Samples
  • 05:15Conclusion

Summary

Automatic Translation

Automatic Translation

31P NMR is a powerful tool for the structural elucidation of polyphenols. This fast, easy, precise, quantitative, and highly reproducible analytical procedure, that allows for the quantification and differentiation of the different types of hydroxy, phenolic, and carboxylic groups in lignins and tannins has now become a routine analytical tool.

Tags

Keywords: 31P NMRQuantitative AnalysisLigninsTanninsHydroxyl GroupsSample PreparationTMDPNMR SpectroscopyFourier TransformationPhase CorrectionBaseline CorrectionSignal Calibration

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