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Determination of aliphatic aldehydes in waters by high-performance liquid chromatography

✍ Scribed by F. Van Hoof; A. Wittocx; E. Van Buggenhout; J. Janssens

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
345 KB
Volume
169
Category
Article
ISSN
0003-2670

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✦ Synopsis

A method is described for the determination of linear aldehydes (C,-C,) in waters. Aldehydes are extracted into n-pentane after derivatization with 2,4-dinitrophenylhydrazine and quantified by reversed-phase high-performance liquid chromatography with detection at 365 nm. With a 250-ml sample, the limit of detection is 1 fig 1-l for the C,-C, aldehydes. The method is directly applicable to surface waters and drinking water. Analysis of different surface waters, treated water and a humic acid solution after ozonization showed that C,-C, aldehydes predominated, their concentration increasing with increasing ozone dosage.

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