Estimation of Aromatic Structure Contents in Hardwood Lignins from IR Absorption Spectra

被引：16

作者：

Derkacheva, O. Yu. ^{[1
]}

机构：

[1] St Petersburg State Technol Univ Plant Polymers, St Petersburg 198095, Russia

来源：

JOURNAL OF APPLIED SPECTROSCOPY | 2013年 / 80卷 / 05期

关键词：

lignin; infrared absorption spectrum; nuclear magnetic resonance; analytical dependence; EUCALYPTUS-GLOBULUS LIGNIN; WOOD; SYRINGYL; GUAIACYL; FEATURES; BEHAVIOR;

D O I：

10.1007/s10812-013-9825-1

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Results of an in-depth analysis of Fourier-transform IR absorption spectra of hardwood and softwood dioxane lignins were reported. Correlations between absorption band intensities in initial and second-derivative spectra and C-13 NMR spectroscopic data on the contents of guaiacyl and syringyl structural units were found. The found linear dependences enabled the contents of two types of phenylpropane units to be estimated in the range 0-100% with a relative error of a parts per thousand currency sign5%.

引用

页码：670 / 676

页数：7

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