Chromatographic NMR with size exclusion chromatography stationary phases

Joyce, Rebecca E and Day, Iain J (2012) Chromatographic NMR with size exclusion chromatography stationary phases. Journal of Magnetic Resonance, 220 (1). pp. 1-7. ISSN 1090-7807

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Abstract

Chromatographic NMR describes the use of stationary phases or solvent additives, such as polymers, to modify the diffusion properties of analyte molecules and thereby improve the observed resolution in the diffusion domain. This paper demonstrates similar ideas using size exclusion chromatographic media and characterises the changes in the observed diffusion coefficient using a series of polymer molecular weight reference standards of known polydispersity. The results are interpreted in terms of a simple description of the size exclusion phenomena.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Subjects: Q Science > QD Chemistry > QD0071 Analytical chemistry
Depositing User: Iain Day
Date Deposited: 09 Nov 2012 14:40
Last Modified: 09 Nov 2012 14:40
URI: http://sro.sussex.ac.uk/id/eprint/42077
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