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题名: Correlation of the intercept and slope of the retention equation ln K ' = ln k '(w)-SC in MECC with the solvatochromic parameters of solutes
作者: Liu, Z;  Zou, HF;  Zhang, YK
关键词: micellar electrokinetic capillary chromatography ;  linear solvation energy relationships ;  organic modifiers ;  retention equation ;  intercept (In k '(w)) ;  slope (S)
刊名: JOURNAL OF CAPILLARY ELECTROPHORESIS
发表日期: 1997-07-01
卷: 4, 期:4, 页:173-180
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemistry & Molecular Biology ;  Electrochemistry
研究领域[WOS]: Biochemistry & Molecular Biology ;  Electrochemistry
英文摘要: The intercept (In k(w)') and slope (S) of the retention equation in k' = in k(w)'-SC in micellar electrokinetic capillary chromatography (MECC) have been studied through linear solvation energy relationships (LSER). it has been observed that the In k(w)' is dependent on the properties of micelle and solute but independent of the properties of organic modifier, while the slope (S) is related to the organic modifier and the solute. The LSER results show that the In k(w)' of solute is primarily determined by its molecular size and hydrogen bond acceptor (HBA) basicity, whereas the S of solute is primarily determined by its properties in terms of the type of organic modifier, of which molecular size is the most important factor. Additionally, the LSER results show that the interactions of micelle-water and water-organic modifier are also important factors for the retention of solute.
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ;  SOLVATION ENERGY RELATIONSHIPS ;  ELECTROKINETIC CAPILLARY CHROMATOGRAPHY ;  WATER PARTITION-COEFFICIENTS ;  REVERSED-PHASE SYSTEMS ;  MOBILE-PHASE ;  SOLVENT-STRENGTH ;  MOLECULAR-STRUCTURE ;  STATIONARY PHASES ;  GRADIENT ELUTION
语种: 英语
WOS记录号: WOS:000073959400005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142787
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Acad Sinica, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116011, Peoples R China

Recommended Citation:
Liu, Z,Zou, HF,Zhang, YK. Correlation of the intercept and slope of the retention equation ln K ' = ln k '(w)-SC in MECC with the solvatochromic parameters of solutes[J]. JOURNAL OF CAPILLARY ELECTROPHORESIS,1997,4(4):173-180.
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