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Journal of Chromatography A, 1971
Volume 56, Pages 29-36
E.O. Umeh
The separation and determination of low-molecular-weight (C2—C10) straight-chain carboxylic acids in dilute aqueous solution by the gas chromatography of their p-bromophenacyl and P-phenylphenacyl esters
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http://dx.doi.org/10.1016/S0021-9673(00)97774-4