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The effects of molecular collisions between the mobile phase and the solute in gas-solid chromatography
Zhang, Dali1; Ke, Jiajun2; Lu, Lizhu2
2015-10-01
Source PublicationJOURNAL OF SEPARATION SCIENCE
ISSN1615-9306
Volume38Issue:19Pages:3390-3396
Abstract

In chromatographic processes, molecular collisions between the mobile phase and the solute result in the transfer of kinetic energy. Based on these interactions, the relationship between the gauge pressure of the carrier gas at the column inlet and the partition frequency of the solute is derived; consequently, the relationship between the column temperature and partition frequency can be obtained. These relationships have been experimentally validated. The change in the peak shape described herein has been successfully explained using this relationship: the partition frequency was calculated from the theoretical plate number of a tailing peak. We propose a new mechanism for peak tailing using plate theory, which states that as the number of plates increases, the symmetry of the peak increases.

KeywordEnergy Transfer Flow Velocity Effect Molecular Collisions Peak Tailing Plate Theory
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/jssc.201500196
Indexed BySCI
Language英语
WOS KeywordLIQUID PARTITION CHROMATOGRAPHY ; LUMPED-FILM MODEL ; DIFFUSION
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical
WOS IDWOS:000362553600011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19640
Collection研究所(批量导入)
Affiliation1.Beijing Union Univ, Biochem Engn Coll, Beijing 100023, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Dali,Ke, Jiajun,Lu, Lizhu. The effects of molecular collisions between the mobile phase and the solute in gas-solid chromatography[J]. JOURNAL OF SEPARATION SCIENCE,2015,38(19):3390-3396.
APA Zhang, Dali,Ke, Jiajun,&Lu, Lizhu.(2015).The effects of molecular collisions between the mobile phase and the solute in gas-solid chromatography.JOURNAL OF SEPARATION SCIENCE,38(19),3390-3396.
MLA Zhang, Dali,et al."The effects of molecular collisions between the mobile phase and the solute in gas-solid chromatography".JOURNAL OF SEPARATION SCIENCE 38.19(2015):3390-3396.
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