Separation and identification of phenolic acids and related compounds by gas chromatography and fourier transform infrared spectroscopy
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Phenolic acids and related compounds were separated by gas chromatography using three separate columns. One of these columns was coupled to a Fourier transform infrared spectrometer. The trimethylsilyl derivatives could be separated and identified by comparing the relative retention times of the three different columns. However, where there was overlap, the accompanying infrared data clearly distinguished between the questionable derivatives, thus enabling characterization of all derivatives.
Key wordsPhenolic acids gas chromatography Fourier transform spectroscopy
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