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DETERMINATION OF C2-C12 ALDEHYDES IN WATER BY SPME ARROW ON-FIBER DERIVATIZATION AND GC/MS
EP23801
Poster Title: DETERMINATION OF C2-C12 ALDEHYDES IN WATER BY SPME ARROW ON-FIBER DERIVATIZATION AND GC/MS
Submitted on 05 Feb 2016
Author(s): Peter Egli, Beat Schilling, Guenter Boehm, Kai Schueler
Affiliations: 1 BGB Analytik AG, Lettenstrasse 97, 8134 Adliswil, Switzerland; 2 CTC Analytics AG, Industriestrasse 20, 4222 Zwingen, Switzerland
This poster was presented at HTC-14
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Poster Information
Abstract: The method employing a SPME Arrow allows for the quantitation of water samples down to 50 ng/L for most of
the described aldehydes with good precision. A previous publication applying traditional standard SPME fibers and GC/MS achieved sensitivities down to 120-340 ng/L in spiked samples for C1, C3-C5 (ref. 3).
Blank water samples as well as the samples of the higher aldehydes contain C2 (acetaldehyde) and other contaminants
in amounts high enough to hamper the analysis at levels below 50 ng/L.
The sensitivity of the method could be increased further by applying selected reaction monitoring (SIM).
The robustness of the PAL SPME Arrow allowed for the uninterrupted analysis of several hundred samples with one single SPME Arrow.
Summary: A method applying SPME Arrow extraction and on-fiber derivatization for the quantitation of C2-C12 aldehydes in water by GC/MS is described.References: [1] Sampling and Determination of Formaldehyde Using SPME with On-Fiber Derivatization.
P. Martos, J. Pawliszyn; Anal. Chem. 1998, 70, 2311-2320.
[2] Determination of aldehydes in drinking water using penta-fluorobenzylhydroxylamine derivatization and solid-phase microextraction.
F.Ventura, B. Cancho, M. T. Galceran; J. Chromatogr. A. 2002, 943, 1-13.
[3] Analysis of aldehydes in water by solid-phase microextraction with on-fiber derivatization.
S.W. Tsai, C.M. Chang; J. Chromatogr. A. 2003, 1015, 143.
[4] Evaluation of solid-phase microextraction methods for the determination of trace concentration aldehydes in aqueous solution.
J. Beranek, A. Kubatova; J. Chromatogr. A. 2008, 1209, 44-54.
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