Abstract
Due to the complex composition of metal working fluids (MWF) the determination of all individual compounds is sometimes difficult and very expensive. Today the widely used method for the quantification of airborne MWFs consists of a non specific IR analysis of their C-H valence bands. With a new design of sample cell this inexpensive technique was extended to a more detailed screening of the MWF composition, especially the detection of carbonyl compounds in MWFs and their aerosols and vapors. The screening method was evaluated for the determination of concentrations of the aldehyde nonanal and the ketone diacetone alcohol in air in laboratory experiments. In preliminary workplace studies the applicability of this method to the (semi-)quantitative determination of carbonyl compounds in airborne MWFs is shown. The screening method was found to be very useful, specially to detect alterations in the composition of the MWF due to industrial use.
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Received: 16 January 1997 / Revised: 9 April 1998 / Accepted: 14 April 1998
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Trapp, I., Famulok, T., Risse, U. et al. FTIR-screening of carbonyl compounds in metal working fluid aerosols. Fresenius J Anal Chem 362, 409–414 (1998). https://doi.org/10.1007/s002160051095
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DOI: https://doi.org/10.1007/s002160051095