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High performance liquid chromatographie separation of fatty imidazolines from their diamide hydrolysis derivatives
Author(s) -
Hampson James W.,
Bistline Raymond G.,
Linfield Warner M.
Publication year - 1983
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02662432
Subject(s) - chemistry , hydrolysis , chromatography , methanol , selectivity , acetic acid , fatty acid , phase (matter) , high performance liquid chromatography , lauric acid , elution , imidazoline receptor , organic chemistry , catalysis , medicine
A reverse‐phase high performance liquid Chromatographic method is described which separates long‐chain fatty dialkyl imidazolines from their corresponding diamide hydrolysis derivatives. This permits fol‐lowing the synthesis of these compounds and their storage stability. With a mobile phase of methanol/dilute acetic acid and a differential refractometer, both qualitative and quantitative analysis can be done quickly. Elution order follows chain length with the imidazo‐line eluting before the diamide. Capacity and selectivity factors are presented for the imidazoline‐diamide pairs from pelargonic to lauric acid.