Determination of Lignin Content in Plant Materials Using Solid-State 13C NMR Spectroscopy

The article shows the possibilities of solid-state (СP MAS) 13 С NMR spectroscopy for determination of lignin content in a wide range of lignocellulosic materials: wood of various tree species and plant waste. The analysis is based on the use of the dependences of the integral intensity of 13 C NMR...

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Bibliographic Details
Published in:Polymer science. Series B 2021, Vol.63 (5), p.544-552
Main Authors: Kostryukov, S. G., Petrov, P. S., Kalyazin, V. A., Masterova, Yu. Yu, Tezikova, V. S., Khluchina, N. A., Labzina, L. Ya, Alalvan, D. Kh
Format: Article
Language:English
Subjects:
Biomedical materials
Carbon 13
Chemistry
Chemistry and Materials Science
Lignin
Lignocellulose
Natural Polymers
NMR spectroscopy
Polymer Sciences
Solid state
Spectrum analysis
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Summary:The article shows the possibilities of solid-state (СP MAS) 13 С NMR spectroscopy for determination of lignin content in a wide range of lignocellulosic materials: wood of various tree species and plant waste. The analysis is based on the use of the dependences of the integral intensity of 13 C NMR signals due to aromatic or methoxy carbon atoms of lignin on its percentage in mixtures with cellulose. The lignin content obtained by 13 С NMR spectroscopy is in good agreement with the published data and the results obtained using acid hydrolysis of the corresponding samples of lignocellulosic biomaterials.
ISSN:1560-0904
1555-6123
DOI:10.1134/S1560090421050067