Liquid chromatography/mass spectrometry of fatty acids as their anthrylmethyl esters

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Abstract

The mass spectra of a series of saturated and unsaturated fatty acids have been recorded as their anthrylmethyl esters using a liquid chromatographic mass spectrometric interface. The spectra show an intense peak for the aromatic nucleus, and a molecular ion. The liquid chromatographic/mass spectrometric separation was performed on a reverse phase column using a solvent system of acetone + acetonitrile. While a complete separation of the fatty acids known to occur in man was not achieved, the recognition of all of these acids is possible using a scanning mode or by ion monitoring.

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