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题名: Thermodynamics of basic compounds on novel stationary phase embed polar groups
作者: Huang Xiaojia;  Wang Junde
关键词: high performance liquid chromatography ;  stationary phase ;  thermodynamics ;  basic compounds
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2006-09-01
卷: 34, 页:S127-S130
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: The thermodynamis character of three basic probes and a neutral reference compound were investigated as a function of temperature using four novel high performance liquid chromatography columns that are amide-type, amine-type and ester-type stationary phases at both pH 3.0 and pH 7.0. The results showed that considerable differences of retention for bases at pH 3.0 might result from the existence of polar group in the long chain alkyl chain on the packing. The Delta H-0 values of four probes on four novel columns and a conventional C-8 column were calculated according the van Deemter curves. The separation results of basic samples on the novel columns and C-8 column shold amide-type and amine-type exceed ester-type and ether-type, but their all exceed conventional C-8 column according to absolute values of Delta H-0, correlation coefficient and practical separation.
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ;  SOLVENT STRENGTH ;  UREA GROUPS ;  COLUMN ;  TEMPERATURE ;  HPLC ;  RETENTION ;  SAMPLES
语种: 英语
WOS记录号: WOS:000244539600029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140136
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.Xiamen Univ, Environm Sci Res Ctr, Xiamen 361005, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Huang Xiaojia,Wang Junde. Thermodynamics of basic compounds on novel stationary phase embed polar groups[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2006,34:S127-S130.
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