DETERMINATION OF MOLECULAR WEIGHT DISTRIBUTION OF ELECTRO-OXIDATIVE DEGRADATION PRODUCTS OF LIGNOSULFONATE BY GEL PERMEATION CHROMATOGRAPHY

机译：凝胶渗透色谱法测定木质磺酸盐的电氧化降解产物的分子量分布

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The molecular weights and molecular weight distributions of electro-oxidative degradation products of sodium lignosufonate were measured using a Waters ALC/GPC 244 apparatus comprising an Ultrahydrogel 250 column and a differential refractometer index detector. The influences of the eluents on the elution behaviors of the samples were discussed in this paper. It was confirmed that a dilute electrolyte solution could be used as the suitable eluents in isolating the components of the degradation products of lignosulfonate. The best results were obtained by using 0.05mol/L LiCl solution with a pH 6.5 as the eluent.

机译：使用包含Ultrahydrogel 250柱和差示折光率指数检测器的Waters ALC / GPC 244设备测量木质素磺酸钠的电氧化降解产物的分子量和分子量分布。本文讨论了洗脱液对样品洗脱行为的影响。证实了稀电解质溶液可用作分离木质素磺酸盐降解产物的组分的合适洗脱液。使用0.05 mol / L pH 6.5的LiCl溶液作为洗脱液可获得最佳结果。

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来源
《Fourth International Nonwood Fibre Pulping and Papermaking Conference (4th INWFPPC) (Secondary Fibre Processing Inclusive) Vol.1 Sep 18-21, 2000 Jinan, China》|2000年|p.338-343|共6页
会议地点 Jinan(CN);Jinan(CN)
作者
Li Jing; Chen Fangeng;
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作者单位

Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, CHINA;

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原文格式 PDF
正文语种 eng
中图分类轻工业、手工业;
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DETERMINATION OF MOLECULAR WEIGHT DISTRIBUTION OF ELECTRO-OXIDATIVE DEGRADATION PRODUCTS OF LIGNOSULFONATE BY GEL PERMEATION CHROMATOGRAPHY

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