Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1000, Issue 1-2, Pages 693-709Publisher
ELSEVIER
DOI: 10.1016/S0021-9673(03)00495-3
Keywords
switching valve; liquid chromatography; comprehensive two-dimensional; polymers; copolymers
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The need for and the emergence of comprehensive two-dimensional liquid chromatographic separations of synthetic polymers are reviewed in this paper. LCXSEC is shown to be a particularly valuable two-dimensional technique in this domain. An improved (symmetrical) configuration based on a single 10-way switching valve is described. The use of LCXSEC to understand and optimize one-dimensional separations is illustrated, as well as the potential of the technique for the separation and characterization of functional polymers and copolymers. (C) 2003 Elsevier Science B.V. All rights reserved.
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