2 edition of Quantitative p13sC NMR of lignins -- methoxyl:aryl ratio found in the catalog.
Quantitative p13sC NMR of lignins -- methoxyl:aryl ratio
John R Obst
1987 by Forest Products Laboratory, Forest Service, U.S. Dept. of Agriculture in Madison, Wis .
Written in English
|Statement||by John R. Obst and Lawrence L. Landucci|
|Contributions||Landucci, Lawrence L, Forest Products Laboratory (U.S.)|
|The Physical Object|
|Pagination||p. 87-92 :|
|Number of Pages||92|
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Further support for the structural scheme comes from a comparison of the 13C-NMR spectrum of natural beech lignin and a 13C-NMR spectrum calculated for. Ahvazi BC, Argyropoulos DS Quantitative detection of carbonyl groups in technical and native lignins using 19F NMR spectroscopy.
Proc 9th Int Symp Wood and Pulping Chemistry, Poster Presentations, June 9–12,Montreal, Canada, 7: 1–5 Google Scholar. C nuclear magnetic resonance method was used to determine the methoxyl:aryl ratios of softwood and hardwood lignins, and to calculate the syringyl:guaiacyl ratio of hardwood lignins.