Monitoring of selected non-ionic surfactants in river water by liquid chromatography-tandem mass spectrometry

Journal of Environmental Management
Joanna ZembrzuskaZenon Lukaszewski

Abstract

Alcohol ethoxylates (AEs) are a significant component of the non-ionic surfactant (NS) flux discharged into surface water. Due to the polydispersity of the majority of NS, they are easily recognizable by their 'fingerprints', i.e. a series of mass peaks which differ by m/z = 44, namely the m/z of a single oxyethylene subunit. Dodecanol ethoxylates (C12EOx) represent AEs from both renewable and petrochemical sources. Therefore, C12Ex are suitable fingerprints of NS in the aquatic environment. The aim of this work was to develop an LC-MS/MS method suitable for AE monitoring in river water. River water samples taken from the River Warta in Poznan (Poland) were extracted with ethyl acetate, evaporated, reconstituted in the mobile phase and processed by the LC - Multistage MS procedure (LC-MS/MS) using optimum multiple reaction monitoring (MRM). The method of multiple standard additions was used for the evaluation of each AE fingerprint concentration. The concentration of C12EOx having 2-9 oxyethylene subunits was determined. Standards for higher C12EOx are not yet available. The developed method offers an LOD of between 1 and 9 ng L(-1), and is suitable for the monitoring of NS fingerprints in river water. The range of C12EO2-9 con...Continue Reading

References

Oct 9, 2001·The Science of the Total Environment·M FuerhackerR Haberl
Aug 27, 2003·European Journal of Mass Spectrometry·Magdalena FrańskaRafał Frański
Jul 20, 2005·Ecotoxicology and Environmental Safety·Thomas W Federle, Nina R Itrich
Jan 28, 2006·Ecotoxicology and Environmental Safety·S E BelangerD Zeller
Jul 20, 2007·Biodegradation·Agnieszka Zgoła-GrześkowiakZenon Lukaszewski

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Citations

Apr 3, 2016·The Science of the Total Environment·Joanna ZembrzuskaZenon Lukaszewski
Nov 16, 2019·Applied Microbiology and Biotechnology·Dorota CierniakŁukasz Chrzanowski
Dec 29, 2020·Carbohydrate Polymers·Marziyeh MofradiMehrorang Ghaedi
Jan 1, 2021·Advances in Colloid and Interface Science·Phillip JohnsonValerie J Pinfield
Nov 23, 2021·The Science of the Total Environment·Lena SchinkelMichael Berg

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