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Evaluation of the separation performance of polyvinylpyrrolidone as a virtual stationary phase for chromatographic NMR
Huang, Shaohua1; Wu, Rui2; Bai, Zhengwu2; Yang, Ying1; Li, Suying1; Dou, Xiaowei1
2014-09-01
Source PublicationMAGNETIC RESONANCE IN CHEMISTRY
Volume52Issue:9Pages:486-490
Abstract

Polyvinylpyrrolidone (PVP) was used as a virtual stationary phase to separate p-xylene, benzyl alcohol, and p-methylphenol by the chromatographic NMR technique. The effects of concentration and weight-average molecular weight (Mw) of PVP, solvent viscosity, solvent polarity, and sample temperature on the resolution of these components were investigated. It was found that both higher PVP concentration and higher PVP Mw caused the increase of diffusion resolution for the three components. Moreover, the diffusion resolution did not change at viscosity-higher solvents. Moreover, the three components showed different resolution at different solvents. As temperature increased, the diffusion resolution between p-xylene and benzyl alcohol gradually increased, and the one between p-xylene and p-methylphenol slightly increased from 278 to 298 K and then decreased above 298 K. It was also found that the polarity of the analytes played an important role for the separation by affecting the diffusion coefficient. Copyright (C) 2014 John Wiley & Sons, Ltd.

SubtypeArticle
KeywordNmr H-1 Chromatographic Nmr Polyvinylpyrrolidone Virtual Stationary Phase Diffusion Resolution
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1002/mrc.4102
WOS KeywordDIFFUSION-ORDERED SPECTROSCOPY ; NUCLEAR-MAGNETIC-RESONANCE ; LIQUID-CHROMATOGRAPHY ; MIXTURE COMPONENTS ; ORGANIC-SOLVENT ; SMALL MOLECULES ; RESOLUTION ; MICELLES ; RETENTION ; SIZE
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Spectroscopy
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Spectroscopy
WOS IDWOS:000340536400003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/6267
Collection公共实验室
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.Wuhan Inst Technol, Sch Chem & Environm Engn, Wuhan 430073, Peoples R China
Recommended Citation
GB/T 7714
Huang, Shaohua,Wu, Rui,Bai, Zhengwu,et al. Evaluation of the separation performance of polyvinylpyrrolidone as a virtual stationary phase for chromatographic NMR[J]. MAGNETIC RESONANCE IN CHEMISTRY,2014,52(9):486-490.
APA Huang, Shaohua,Wu, Rui,Bai, Zhengwu,Yang, Ying,Li, Suying,&Dou, Xiaowei.(2014).Evaluation of the separation performance of polyvinylpyrrolidone as a virtual stationary phase for chromatographic NMR.MAGNETIC RESONANCE IN CHEMISTRY,52(9),486-490.
MLA Huang, Shaohua,et al."Evaluation of the separation performance of polyvinylpyrrolidone as a virtual stationary phase for chromatographic NMR".MAGNETIC RESONANCE IN CHEMISTRY 52.9(2014):486-490.
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