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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
KeywordBasic Compounds Hydrophobicity Reversed-phase Eluents Silica Silicon Oxynitride
Source PublicationJOURNAL OF SEPARATION SCIENCE
2016-10-01
DOI10.1002/jssc.201600738
Volume39Issue:20Pages:3860-3867
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Analytical
WOS KeywordRETENTION ; COLUMNS ; SOLUTES ; HPLC ; NITRIDATION ; OVERLOAD ; MCM-41 ; MODEL
AbstractUnbonded 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.
Language英语
WOS IDWOS:000389045100002
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/150416
Collection中国科学院大连化学物理研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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