pKa-values of guaiacyl and syringyl phenols related to lignin

被引：285
作者：
Ragnar, M
Lindgren, CT
Nilvebrant, NO
机构：
[1] Kungliga Tekniska Hogskolm, Inst Pappers Och Massatech, SE-10044 Stockholm, Sweden
[2] Kungliga Tekniska Hogskolan, Inst Pappers Och Massatekn Cellulosateknik, SE-10044 Stockholm, Sweden
[3] Skogsind Tekniska Forskningsinst, SE-11486 Stockholm, Sweden
来源：
JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY | 2000年 / 20卷 / 03期
关键词：
D O I：
10.1080/02773810009349637
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：
The literature relating to the pK(a)-values of guaiacyl- and syringyl-derived phenols has been thoroughly surveyed and summarized. In addition, the pK(a)-values of a number of guaiacyl, syringyl and other phenols related to lignin have been determined using a spectrophotometric method combined with multivariate evaluation. Differences and similarities between the acidities of a number of substances are extensively discussed. The pK(a)-value strongly affects the delignification during pulping, bleaching and leaching of lignin during pulp washing.
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页码：277 / 305
页数：29
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