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The aim of this work was the investigation of the dependence of the analytical signals of homogeneous AE homologues on liquid chromatography with tandem mass spectrometry conditions, as well as the separation of AEs from the water matrix and, on this basis, the development of an analytical procedure suitable for the determination of AEs in environmental samples. Homogeneous homologues containing dodecyl moiety and 2\u20139 oxyethylene subunits were investigated. The analytical signals of the investigated homologues were optimized in terms of concentration of ammonium acetate in the mobile phase (optimum 5 mM) and a column temperature (optimum 35\u00b0C) of the liquid chromatography with tandem mass spectrometry system. A separation of AEs from the water matrix by liquid\u2013liquid extraction (ethyl acetate, chloroform) or solid\u2010phase extraction (C<jats:sub>18<\/jats:sub>, styrene divinylbenzene, H\u2010RX) was investigated. In a model investigation, the best recoveries (&gt;90%) were obtained with a styrene divinylbenzene cartridge eluted with a 1:1 mixture of chloroform and methanol. However, much worse recoveries were obtained from the river water sample. Better results were obtained for liquid\u2013liquid extraction with ethyl acetate. Recoveries of 62\u201380% were obtained for homologues having 4\u20139 oxyethylene subunits, at the lowest spike.<\/jats:p>","DOI":"10.1002\/jssc.201301391","type":"journal-article","created":{"date-parts":[[2014,4,15]],"date-time":"2014-04-15T14:28:44Z","timestamp":1397572124000},"page":"1694-1702","source":"Crossref","is-referenced-by-count":12,"title":["Separation and determination of homogenous fatty alcohol ethoxylates by liquid chromatography with mulitstage mass spectrometry"],"prefix":"10.1002","volume":"37","author":[{"given":"Joanna","family":"Zembrzuska","sequence":"first","affiliation":[{"name":"Institute of Chemistry and Technical Electrochemistry Poznan University of Technology  Poznan Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Irena","family":"Budnik","sequence":"additional","affiliation":[{"name":"Institute of Chemistry and Technical Electrochemistry Poznan University of Technology  Poznan Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zenon","family":"Lukaszewski","sequence":"additional","affiliation":[{"name":"Institute of Chemistry and Technical Electrochemistry Poznan University of Technology  Poznan Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2014,5,15]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.trac.2011.02.015"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.3139\/113.110228"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0003-2670(00)86399-0"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01244392"},{"key":"e_1_2_8_6_1","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1515\/tsd-1972-090401","volume":"9","author":"Wickbold R.","year":"1972","journal-title":"Tenside Surf. 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