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Separation behavior of basic compounds on unbonded silicon oxynitride and silica high-performance liquid chromatography stationary phases with reversed-phase eluents
Wan, Huihui1; Zhong, Hongmin1; Xue, Xingya2; Liang, Xinmiao2
关键词Basic Compounds Hydrophobicity Reversed-phase Eluents Silica Silicon Oxynitride
刊名JOURNAL OF SEPARATION SCIENCE
2016-10-01
DOI10.1002/jssc.201600738
39期:20页:3860-3867
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical
关键词[WOS]RETENTION ; COLUMNS ; SOLUTES ; HPLC ; NITRIDATION ; OVERLOAD ; MCM-41 ; MODEL
英文摘要Unbonded silicon oxynitride and silica high-performance liquid chromatography stationary phases have been evaluated and compared for the separation of basic compounds of differing molecular weight, pKa, and log D using aqueous/organic mobile phases. The influences of percentage of organic modifier, buffer pH, and concentration in the mobile phase on base retention were investigated on unbonded silicon oxynitride and silica phases. The results confirmed that unbonded silicon oxynitride and silica phases demonstrated excellent separation performance for model basic compounds and both the unbonded phases examined possessed a hydrophobic/adsorption and ion-exchange character. The silicon oxynitride stationary phase exhibited high hydrophilicity compared with silica with a reversed-phase mobile phase. An ion-exclusion-type mechanism becomes predominant for the separation of three aimed bases on the silicon oxynitride column at pH 2.8. Different from silicon oxynitride stationary phase, no obvious change for the retention time of three model bases on silica stationary phase at pH 2.8 can be observed.
语种英语
WOS记录号WOS:000389045100002
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/150416
专题中国科学院大连化学物理研究所
作者单位1.Dalian Univ Technol, Fac Chem Environm & Biol Sci & Technol, Analyt Ctr, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian, Peoples R China
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Wan, Huihui,Zhong, Hongmin,Xue, Xingya,et al. Separation behavior of basic compounds on unbonded silicon oxynitride and silica high-performance liquid chromatography stationary phases with reversed-phase eluents[J]. JOURNAL OF SEPARATION SCIENCE,2016,39(20):3860-3867.
APA Wan, Huihui,Zhong, Hongmin,Xue, Xingya,&Liang, Xinmiao.(2016).Separation behavior of basic compounds on unbonded silicon oxynitride and silica high-performance liquid chromatography stationary phases with reversed-phase eluents.JOURNAL OF SEPARATION SCIENCE,39(20),3860-3867.
MLA Wan, Huihui,et al."Separation behavior of basic compounds on unbonded silicon oxynitride and silica high-performance liquid chromatography stationary phases with reversed-phase eluents".JOURNAL OF SEPARATION SCIENCE 39.20(2016):3860-3867.
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