Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1216, Issue 51, Pages 8939-8946Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2009.10.062
Keywords
Poly(ethylene glycol); Preferential solvation; Hyphenated techniques; LC-MR
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Qualitative and quantitative comparison between liquid chromatography (LC) and LC coupled with Fourier transform infrared spectroscopy (LC-MR) to evaluate preferential solvation phenomenon of polymers in a mixed solvent has been performed. These studies show that LC-FTIR technique leads to detailed structural information without the requirement for determination of additional parameters for quantitative analysis except calibration. Appropriate experimental conditions for preferential solvation study have been established by variation of polymer concentration, molar mass and eluent content. (C) 2009 Elsevier B.V. All rights reserved.
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