Abstract
POLYESTER-TYPE partitioning media for the separation of mixtures of the methyl esters of long-chain saturated and unsaturated fatty acids by gas chromatography have recently been reported1,2,3. Some of these materials tend to ‘bleed’ excessively at the temperatures required for the separation of the fatty acid esters. In addition, polyesters from the same polyglycols and dibasic acids, when prepared in different laboratories, may have dissimilar properties since the average molecular weight, as well as the distribution of molecular weight in the final polymer mixture, is not adequately controlled.
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A Beckman GC-2 gas chromatograph was used.
The recorder was manufactured by Minneapolis-Honeywell, Brown Instrument Division, Philadelphia, Pennsylvania.
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HORNSTEIN, I., ELLIOTT, L. & CROWE, P. Gas Chromatographic Separation of Long-chain Fatty Acid Methyl Esters on Polyvinyl Acetate. Nature 184, 1710–1711 (1959). https://doi.org/10.1038/1841710a0
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DOI: https://doi.org/10.1038/1841710a0
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