Analysis of Lignin Aromatic Structure in Wood Based on the IR Spectrum

被引：64

作者：

Huang, Yu ^{[1
,2
]}

Wang, Linshan ^{[2
]}

Chao, Yuesheng ^{[2
]}

Nawawi, Deded Sarip ^{[3
]}

Akiyama, Takuya

Yokoyama, Tomoya

Matsumoto, Yuji

机构：

[1] Univ Tokyo, Grad Sch Agr & Life Sci, Dept Mat Sci, Wood Chem Lab,Bunkyo Ku, Tokyo 1138657, Japan

[2] Northeastern Univ, Sch Sci, Shenyang, Peoples R China

[3] Bogor Agr Univ, Dept Forest Prod, Bogor, Indonesia

来源：

JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY | 2012年 / 32卷 / 04期

关键词：

Lignin; syringyl/guaiacyl ratio; softwood; hardwood; IR spectroscopy; SPECIES VARIATION; HARDWOOD LIGNINS;

D O I：

10.1080/02773813.2012.666316

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

A total of 17 softwoods and 48 hardwoods were analyzed by IR spectroscopy to examine if syringyl ratio (syringyl/(syringyl+guaiacyl)) calculated from nitrobenzene oxidation products can be precisely expressed by area ratios of characteristic peaks of lignin in IR spectrum. Area ratio of two peaks is referred to as that of two wavenumber domains, represented by "wavenumber 1/ wavenumber 2." Examined peak area ratios were 1595/1509, 1509/1460, 1275/1220, 1130/1032, and 835/(855+815). Among these ratios, log(1595/1509) and log(1275/1220) showed significant linear relationship with the syringyl ratios with a correlation coefficient of 0.98 for all 65 woods. These two ratios could also be used to distinguish all the hardwoods from the softwoods.

引用

页码：294 / 303

页数：10

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