Derivatization LC/MS for the Simultaneous Determination of Fatty Alcohol and Alcohol Ethoxylate Surfactants in Water and Wastewater Samples

A new LC/MS method has been developed for the simultaneous measurement, in water and wastewater samples, of all species contained in commercial samples of linear type of alcohol ethoxylate (AE) surfactants including fatty alcohols. The method requires derivatization of the terminal hydroxyl of each...

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Bibliographic Details
Published in:Environmental science & technology 2001-03, Vol.35 (6), p.1223-1230
Main Authors: Dunphy, Jocelyn C, Pessler, Daniel G, Morrall, Stephen W, Evans, K. Alex, Robaugh, David A, Fujimoto, Gordon, Negahban, Andre
Format: Article
Language:English
Subjects:
Alcohol
Alcohols - analysis
Analysis methods
Applied sciences
Chromatography, Liquid
Environmental Monitoring - methods
Exact sciences and technology
Fatty Alcohols - analysis
Mass Spectrometry
Measurement
Natural water pollution
Pollution
Raw materials
Sensitivity and Specificity
Sewage - chemistry
Surface-Active Agents - analysis
Surfactants
Waste Disposal, Fluid
Wastewaters
Water
Water Pollutants, Chemical - analysis
Water treatment
Water treatment and pollution
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Summary:A new LC/MS method has been developed for the simultaneous measurement, in water and wastewater samples, of all species contained in commercial samples of linear type of alcohol ethoxylate (AE) surfactants including fatty alcohols. The method requires derivatization of the terminal hydroxyl of each surfactant species with 2-fluoro-N-methylpyridinium p-toluenesulfonate, which imparts a permanent cationic charge, allowing all species including the fatty alcohols and those with only one ethoxylate to be effectively detected by electrospray MS. Detection limits of typically
ISSN:0013-936X
1520-5851
DOI:10.1021/es001491q