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Quantitation of alcohol ethoxylate surfactants in environmental samples by electrospray mass spectrometry
Author(s) -
Evans K. A.,
Dubey S. T.,
Kravetz L.,
Evetts S. W.,
Dzidic I.,
Dooyema C. C.
Publication year - 1997
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/s11746-997-0216-8
Subject(s) - electrospray , chemistry , chromatography , mass spectrometry , thermospray , electrospray mass spectrometry , effluent , alcohol , liquid chromatography–mass spectrometry , analytical chemistry (journal) , tandem mass spectrometry , selected reaction monitoring , organic chemistry , environmental science , environmental engineering
This report describes a method for obtaining the concentrations of the total and individual alcohol ethoxylate (AE) species in sewage treatment plant (STP) effluents by using electrospray liquid chromatography/mass spectrometry (LC/MS). This is a more advantageous method for quantitative analysis of AE in environmental matrices as compared with a previous thermospray LC/MS method. This new method is more sensitive, uses less solvents, utilizes a deuterated internal standard blend [C 13 D 27 O(CH 2 CH 2 O) n H, where n varies from 0 to 21 with an average of n =9], which corresponds more closely to the AE, and it is a more robust instrumental technique. In this report, we document the results for validation of the electrospray LC/MS method by spike recovery of AE from STP effluent and influent samples.
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