Answers are grounded in this paper and cite their sources.
Article N-Hydroxy Compounds as New Internal Standards for the 31P-NMR Determination of Lignin Hydroxy Functional Groups was published on April 25, 2001 in the journal Holzforschung (volume 55, issue 3).
No takes yet. Share an insight, caveat, or question.
Zawadzki et al. (2001) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: