Separation and determination of perfluorinated carboxylic acids using capillary zone electrophoresis with indirect photometric detection.

Full Abstract

Perfluorinated carboxylic acids (PFCAs) belong to anthropogenic fluoroorganic compounds that have been detected in the natural environment and living organisms including humans. A capillary zone electrophoretic method with indirect UV detection using 2,4-dinitrobenzoic acid (2,4-DNBA) as a chromophore probe has been developed for analysis of PFCAs (C6-C12) in water. Optimal analyte resolution and detection sensitivity was obtained with 50 mM Tris solution of pH 9.0 and 50% methanol as a background electrolyte (BGE). The baseline separation of C6-C12 PFCAs was obtained within 20 min with detection limits in the range from 0.6 to 2.4 ppm.

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Author information

Author/s: Wójcik, Lena (L); Korczak, Katarzyna (K); Szostek, Bogdan (B); Trojanowicz, Marek (M);

Affiliation: Department of Chemistry, Warsaw University, Pasteura 1, 02-093 Warsaw, Poland.

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Journal of chromatography. A (J Chromatogr A), published in Netherlands. (Language: eng)

Reference: 2006-Sep; vol 1128 (issue 1-2) : pp 290-7

Dates: Created 2006/09/04; Completed 2006/12/04;

PMID: 16837005, status: MEDLINE (last retrieval date: 12/26/2008)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Carboxylic Acids - analysis; chemistry; isolation & purification
Electrophoresis, Capillary - methods
Fluorocarbons - analysis; chemistry; isolation & purification
Hydrogen-Ion Concentration

Hydrogen-Ion Concentration
Spectrophotometry, Ultraviolet - methods
Time Factors
Water - chemistry

Associated Chemicals: Carboxylic Acids (0) ; Fluorocarbons (0) ; Water (7732-18-5)

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