The determination of the linear alkylbenzene sulfonate isomers in water samples by gas-chromatography/mass spectrometry

A number of 20 compounds of linear alkylbenzene sulfonates (LASs) family were identified by electron impact mass spectrometry (EI-MS) in water samples collected from wastewater treatment plants (WWTP). This paper presents the mass spectra of 20 compounds, the proposed mechanism of formation of the d...

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Veröffentlicht in:	Journal of Chromatography A 2011-01, Vol.1218 (2), p.343-349
Hauptverfasser:	Moldovan, Zaharie, Avram, Veronica, Marincas, Olivian, Petrov, Plamen, Ternes, Thomas
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Alkylbenzene Analytical chemistry Applied sciences Aquatic pollutants Benzenesulfonates - analysis Benzenesulfonates - chemistry Chemistry Chromatographic methods and physical methods associated with chromatography Compartments Derivatives Diagnostic systems Electron impact Exact sciences and technology Gas chromatographic methods Gas Chromatography-Mass Spectrometry - methods GC/MS system Isomerism Isomers LASs isomers Mass spectrometry Mass spectroscopy Other wastewaters Pollution Profile ion chromatogram Sulfonates Wastewaters Water Pollutants, Chemical - analysis Water Pollutants, Chemical - chemistry Water treatment and pollution Zeolites - chemistry
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Zusammenfassung:	A number of 20 compounds of linear alkylbenzene sulfonates (LASs) family were identified by electron impact mass spectrometry (EI-MS) in water samples collected from wastewater treatment plants (WWTP). This paper presents the mass spectra of 20 compounds, the proposed mechanism of formation of the diagnostic ions obtained by EI-MS and the distribution of individual isomers in water samples collected from compartments of WWTP. The individual isomers from four homolog series C 10-, C 11-, C 12- and C 13-LAS were analyzed as methyl derivatives.
ISSN:	0021-9673 1873-3778
DOI:	10.1016/j.chroma.2010.11.043