Published February 1980
| public
Journal Article
Determination of Low Molecular Weight Volatile Fatty Acids in Aqueous Samples
Chicago
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Abstract
An Ion-exchange/derivatization procedure is described for the determination of C_1-C_5 volatile fatty acids in a range of difficult aqueous matrices. The resulting p-bromophenacyl esters may be separated via either HPLC or GLC techniques depending on desired selectivity and sensitivity. Micromolar concentrations of these acids can be determined to better than ±0.20 μM within 95% confidence intervals. Sewage and marine sediment pore water analyses can be performed on small samples (<25 ml). Similarly, nanomolar determinations are possible in 1-4 L rainwater samples. The analytical method is rapid, economical, and lends itself to routine applications involving parallel determinations of other soluble compounds.
Additional Information
© 1980 American Chemical Society. Received for review September 17, 1979. Accepted November 5, 1979. The authors thank I. R. Kaplan and P. Doose for discussions on the early phases of the work, and W. J. North for advice and support. The aid of the Orange County Sanitation District and Greg Pamson are gratefully appreciated.Additional details
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