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Solvation processes on phenyl‐bonded stationary phases—The influence of polar functional groups
Author(s) -
Bocian Szymon,
Skoczylas Magdalena,
Goryńska Izabela,
Matyska Maria,
Pesek Joseph,
Buszewski Bogusław
Publication year - 2016
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.201600799
Subject(s) - acetonitrile , adsorption , chemistry , solvation , polar , solvent , methanol , elution , phase (matter) , amide , chemical polarity , hydrogen bond , solvent effects , amine gas treating , organic chemistry , molecule , chromatography , physics , astronomy
A series of phenyl‐bonded stationary phases with incorporated polar functional groups was subjected to an adsorption investigation. Measurement of acetonitrile and methanol adsorption was obtained using the minor disturbance method. It was observed that adsorption of organic solvent strongly depends on the presence of polar functional groups in the bonded phases that influence the hydrophobicity and polarity of the stationary phase surface. Additionally, relative adsorption of acetonitrile and methanol confirms earlier observations, that the presence of amine and amide groups in the stationary phase changes the relative elution strength of organic solvents. The heterogeneous surface of the stationary phase makes it possible to observe the competitiveness of the water and organic solvent adsorption.