期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1359, 期 -, 页码 112-116出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2014.07.027
关键词
First and second generation silica monoliths; Pore size distribution; Stochastic theory; Inverse size-exclusion chromatography
资金
- European Union
- European Social Fund
- [TAMOP-4.2.2. A-11/1/KONV-2012-0065]
- [OTKA K 106044]
The mesopore structure (pore size and its distribution) for the first and second generations of silica-based monolithic columns was determined by inverse size-exclusion chromatography. The effect of pore size distribution was considered via the molecular theory of size-exclusion chromatography. The molecular theory of chromatography allows taking into account the kinetics of the pore ingress and egress processes, the heterogeneity of the pore sizes and polymer polydispersity. Besides, the mesopore structure, the characteristic domain sizes of the macropores present in the first and second generations of silica-based monolithic columns were also characterized. (C) 2014 Elsevier B.V. All rights reserved.
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