Abstract
The high-performance liquid chromatographic analysis of some simple carbonyl compounds as their 3-methylbenzothiazolone derivatives was studied. The detection was performed by means of an ultraviolet-visible spectrophotometric detector. All compounds except formaldehyde gave two isomers of the type E and Z. The derivatization was quantitative only for formaldehyde, acetaldehyde and benzaldehyde. The chromatographic conditions were optimized to solve the problem due to the presence of two isomers. The low detection limits obtained for these compounds make this method a competitive alternative to dinitrophenylhydrazine and lutidine methods.
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