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NMR investigations of stationary phases
Author(s) -
Albert Klaus
Publication year - 2003
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.200390028
Subject(s) - nuclear magnetic resonance spectroscopy , spectroscopy , chemistry , solid state nuclear magnetic resonance , characterization (materials science) , phase (matter) , stationary phase , analytical chemistry (journal) , chromatography , materials science , nuclear magnetic resonance , organic chemistry , nanotechnology , physics , quantum mechanics
An overview of the application of solid‐state and suspended‐state NMR spectroscopy for the characterization of stationary phases is given. Solid‐state 29 Si NMR spectroscopy reveals valuable information about the variety and quantity of the surface species formed in the modification reaction. Solid‐state 13 C NMR spectroscopy gives an insight into the dynamic properties of the immobilized ligands and ligand organization. With the help of 1 H and 13 C suspended‐state NMR spectroscopy, investigations can be performed in the presence of a mobile phase. Thus, the structural and dynamic properties of the stationary phase under real‐life chromatographic conditions can be derived from the NMR investigations. These findings can be directly correlated with the resulting chromatographic separation behaviour.