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Phenomenon of dual‐ and single‐retention behaviors of solutes and its validation by computational simulation in linear programmed temperature gas chromatography
Author(s) -
Wu Liejun,
Duan Xiaojuan,
Liu Chuanyu,
Zhang Guangxiang,
Li Qing X.
Publication year - 2016
Publication title -
journal of separation science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.72
H-Index - 102
eISSN - 1615-9314
pISSN - 1615-9306
DOI - 10.1002/jssc.201670141
Subject(s) - chemistry , isothermal process , dual (grammatical number) , alkyl , gas chromatography , chromatography , retention time , analytical chemistry (journal) , thermodynamics , organic chemistry , art , literature , physics
J. Sep. Sci. 2016, 39, 2785–2795 DOI: 10.1002/jssc.201600236 This cover picture depicts explicit recognitions of dual‐ and single‐retention behaviors of solutes caused by initial temperature (To) and heating rate (rT) in programmed temperature gas chromatography (PTGC). The retention affected by To follows an exponential isothermal model. When To becomes negligible and rT solely dominates, the retention explicitly obeys a cubic equation model in the singlemodel region. Coexistence of both To and rT influences causes dual retention behaviors in the dual model region. Such dual and single retention behaviors were well demonstrated with five homologue series of n‐alkanes, 1‐alkenes, 1‐alkyl alcohols, alkyl benzenes and fatty acidmethyl esters. Thiswork presents a framework for further advancement of PTGC theory and practices.