Analysis of water extracts from airborne dust samples by capillary isotachophoresis

Petra Sázelová, Václav Kašička, Dušan Koval, F. Kilár, Dietmar Knopp, Gabriel Peltre

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Application of capillary isotachophoresis (CITP) for the analysis of water extracts of the dust samples collected in different periods in air-filtration devices in Prague car traffic tunnels and in Parisian metro station is presented. The extracts were analyzed in cationic mode with a leading electrolyte (LE) of 10 mM KOH, 25 mM acetic acid, pH 4.4, and a terminating electrolyte (TE) of 10 mM β-alanine, adjusted to pH 4.4 with acetic acid, and in anionic mode with LE 10 mM HCl, 20 mM histidine, pH 5.8 and TE 10 mM 2-(N-morpholino)ethanesulphonic acid, pH 3.7. Extracted amounts of UV-absorbing substances, including pollen allergens and organic pollutants, the number of the found components and concentrations of some inorganic ions (e.g. Cl-, K+, Na+, Ca2+) in the dust samples were determined. It was found that the extracted amounts of anionic components and their number were much higher than those of cationic components. Significant differences have been found in the analyses of the extracts of different origin. Much more material and more components were present in the extracts of samples from the pollen-rich period than from the pollen-free period, especially in anionic CITP mode.

Original languageEnglish
Pages (from-to)303-309
Number of pages7
JournalJournal of Chromatography A
Volume990
Issue number1-2
DOIs
Publication statusPublished - Mar 21 2003

Fingerprint

Isotachophoresis
Dust
Electrolytes
Pollen
Water
Acetic Acid
Organic pollutants
Histidine
Alanine
Allergens
Tunnels
Railroad cars
Air
Ions
Equipment and Supplies

Keywords

  • Air analysis
  • Dust
  • Inorganic anions
  • Inorganic cations
  • Isotachophoresis
  • Pollen

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Analysis of water extracts from airborne dust samples by capillary isotachophoresis. / Sázelová, Petra; Kašička, Václav; Koval, Dušan; Kilár, F.; Knopp, Dietmar; Peltre, Gabriel.

In: Journal of Chromatography A, Vol. 990, No. 1-2, 21.03.2003, p. 303-309.

Research output: Contribution to journalArticle

Sázelová, Petra ; Kašička, Václav ; Koval, Dušan ; Kilár, F. ; Knopp, Dietmar ; Peltre, Gabriel. / Analysis of water extracts from airborne dust samples by capillary isotachophoresis. In: Journal of Chromatography A. 2003 ; Vol. 990, No. 1-2. pp. 303-309.
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