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Characterization of the surface properties of Mg/Al oxides by the solvation parameter model
Zhang, ZP; Zhang, SG; Chen, JP; Liu, ZM; Liang, XM; Chen JP(陈吉平); Chen JP(陈吉平)
关键词Mg/al Oxide Solvation Parameter Normal-phase Reversed-phase
刊名JOURNAL OF CHROMATOGRAPHY A
2006-05-19
DOI10.1016/j.chroma.2006.02.069
1115期:1-2页:58-63
收录类别SCI
文章类型Article
部门归属1,8,18
项目归属103,803,1803
产权排名1;1
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]Biochemical Research Methods ; Chemistry, Analytical
研究领域[WOS]Biochemistry & Molecular Biology ; Chemistry
关键词[WOS]PERFORMANCE LIQUID-CHROMATOGRAPHY ; ENERGY RELATIONSHIPS ; STATIONARY PHASES ; BIOCHEMICAL PROCESSES ; OXYGEN VACANCIES ; MAGNESIUM-OXIDE ; MOBILE-PHASE ; MIXED OXIDES ; M-CRESOL ; RETENTION
英文摘要The oxides of different Mg/Al ratios (Mg/Al = 0, 0.1, 5, 10 and infinity) were prepared, and the characterization of these oxides was attempted by estimating characteristic interaction parameters based on the solvation parameter model. The magnitudes of the regression coefficients varied with the increase of Mg/Al ratio. For the oxide of Mg/Al = 0.1 and Al2O3, the contribution of these characteristic interactions for solutes' retention was similar to that of the common silica, and the dipolarity/polarizability (pi*), the solute hydrogen bond donating (all) and accepting (beta(H)(2)) abilities played an important role. Yet, the retention behavior at a higher Mg/Al ratio (Mg/Al = 5, 10 and MgO) drastically changes, and V-i/100 (the intrinsic molar volume), pi*, alpha(H)(2) and beta(H)(2) all favored the solutes retention. By comparison of the regression coefficients on various normal-phase (NP) and reversed-phase (RP) columns, a new model was developed to correlate the solute retention factors on Mg/Al = 5, 10 and MgO columns with the data of NP and PP columns. (c) 2006 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000237481400005
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/97715
专题中国科学院大连化学物理研究所
通讯作者Chen JP(陈吉平); Chen JP(陈吉平)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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GB/T 7714
Zhang, ZP,Zhang, SG,Chen, JP,et al. Characterization of the surface properties of Mg/Al oxides by the solvation parameter model[J]. JOURNAL OF CHROMATOGRAPHY A,2006,1115(1-2):58-63.
APA Zhang, ZP.,Zhang, SG.,Chen, JP.,Liu, ZM.,Liang, XM.,...&陈吉平.(2006).Characterization of the surface properties of Mg/Al oxides by the solvation parameter model.JOURNAL OF CHROMATOGRAPHY A,1115(1-2),58-63.
MLA Zhang, ZP,et al."Characterization of the surface properties of Mg/Al oxides by the solvation parameter model".JOURNAL OF CHROMATOGRAPHY A 1115.1-2(2006):58-63.
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