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- Title
Analysis of lignins using <sup>31</sup>P benchtop NMR spectroscopy: quantitative assessment of substructures and comparison to high-field NMR.
- Authors
Araneda, Juan F.; Burton, Ian W.; Paleologou, Michael; Riegel, Susanne D.; Leclerc, Matthew C.
- Abstract
Lignin is quickly emerging as a biomass-derived source for the production of some crucial organic chemistry building blocks, typically obtained from unsustainable and non-renewable petroleum feedstocks. As a complex polymer, lignin characterization is often challenging due to its random structure and multitudes of different repeating substructures. Over the last 20 years, advances in our understanding and processing of lignin, as well as important work on its characterization using 31P NMR, have led to numerous publications highlighting the many potential uses of this material. With the emergence of highresolution benchtop NMR instruments, these types of analyses can now be accessed by many laboratories and industries that have historically not been able to take advantage of NMR due to cost or size constraints. Herein, we demonstrate that benchtop NMR is a viable technique for the 31P NMR analysis of lignin and compare our results to those obtained on a traditional high-field instrument.
- Subjects
LIGNIN structure; LIGNINS; NUCLEAR magnetic resonance spectroscopy; WOOD chemistry; SOFTWOOD
- Publication
Canadian Journal of Chemistry, 2022, Vol 100, Issue 11, p799
- ISSN
0008-4042
- Publication type
Article
- DOI
10.1139/cjc-2022-0041