Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 919, Issue 1, Pages 95-106Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0021-9673(01)00801-9
Keywords
porous graphitic carbon; polyglycerol fatty esters; polyglycerol fatty ethers; surfactants
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A liquid chromatographic method has been developed for the analysis of polyglycerol fatty esters and fatty ethers which are non-ionic surfactants. Two methods were compared using either octadecyl silica or porous graphitic carbon. The octadecyl silica system with a hydroorganic mobile phase enables to compare the hydrophobic behavior of the compounds. The porous graphitic carbon enables the separation of the diastereoisomers. Detection of these non-W-absorbing compounds was achieved by evaporative light scattering detection. Identification of isomers was performed by mass spectrometry. (C) 2001 Elsevier Science B.V. All rights reserved.
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