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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)
KeywordMg/al Oxide Solvation Parameter Normal-phase Reversed-phase
Source PublicationJOURNAL OF CHROMATOGRAPHY A
2006-05-19
DOI10.1016/j.chroma.2006.02.069
Volume1115Issue:1-2Pages:58-63
Indexed BySCI
SubtypeArticle
Department1,8,18
Funding Project103,803,1803
Contribution Rank1;1
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
WOS SubjectBiochemical Research Methods ; Chemistry, Analytical
WOS Research AreaBiochemistry & Molecular Biology ; Chemistry
WOS KeywordPERFORMANCE LIQUID-CHROMATOGRAPHY ; ENERGY RELATIONSHIPS ; STATIONARY PHASES ; BIOCHEMICAL PROCESSES ; OXYGEN VACANCIES ; MAGNESIUM-OXIDE ; MOBILE-PHASE ; MIXED OXIDES ; M-CRESOL ; RETENTION
AbstractThe 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.
Language英语
URL查看原文
WOS IDWOS:000237481400005
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/97715
Collection中国科学院大连化学物理研究所
Corresponding AuthorChen JP(陈吉平); Chen JP(陈吉平)
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
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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