COMPARISON OF REVERSED-PHASE CHROMATOGRAPHIC SYSTEMS WITH PRINCIPAL COMPONENT AND CLUSTER-ANALYSIS

被引：14
作者：
FORGACS, E
机构：
[1] Central Research Institute for Chemistry, Hungarian Academy of Sciences, 1525 Budapest
来源：
ANALYTICA CHIMICA ACTA | 1994年 / 296卷 / 03期
关键词：
CHROMATOGRAPHY; PRINCIPAL COMPONENT ANALYSIS; CLUSTER ANALYSIS; NONIONIC SURFACTANTS;
D O I：
10.1016/0003-2670(94)80241-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The separation of ethoxylated 1,1,3,3-tetramethylphenyl surfactants was investigated by reversed-phase liquid chromatography (RP-LC) using various supports (C-1, C-2, C-6, C-8, C-18, polyethylene-coated silica, and polyethylene-coated alumina) and with reversed-phase thin-layer chromatography (RP-TLC) using impregnated silica and alumina supports. The retention data matrix was evaluated both by principal component analysis and cluster analysis. The retention characteristics of both polyethylene-coated supports were similar to those of C,, and the retention capacity of RP columns for surfactants increased with the increasing length of the covalently bonded hydrocarbon chain. Both multivariate mathematical statistical methods gave similar results and adequate separation was performed with the RP-LC and RP-TLC systems.
引用
收藏
页码：235 / 241
页数：7
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