Rapid simultaneous determination of 14 sulfonamides in wastewater by liquid chromatography tandem mass spectrometry
- 2 October 2007
- journal article
- Published by Wiley in Journal of Separation Science
- Vol. 30 (15) , 2360-2369
- https://doi.org/10.1002/jssc.200600539
Abstract
This paper describes a rapid method for the determination of 14 kinds of sulfonamides (SAs) in wastewater using SPE, and LC‐MS/MS with positive ESI (ESI(+)) and selected reaction monitoring (SRM) mode. The SPE was performed on an Oasis hydrophilic‐lipophilic‐balanced (HLB) cartridge. Chromatographic separation on a C18 column was achieved using a binary eluent containing methanol and water with 0.2% formic acid. Typical recoveries of the analytes ranged from 22.3 to 87.0% at a fortification level of 100 ng/L. The LODs in wastewater except sulfathiazole (3 ng/L) could be detected and quantified at levels as low as 1 ng/L. Finally, the method was applied to water from the municipal outlet and the aquaculture wastewater effluent. Sulfamethazine (SM2), sulfamethoxypyridazine (SMP), and sulfamethoxazole (SMZ) were most frequently found in wastewater in a concentration range between 1.2 and 31.7 ng/L.Keywords
Funding Information
- National Natural Scientific Fund of the People's Republic of China (40376035 and 40576051)
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