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Determination of nine benzotriazole UV stabilizers in environmental water samples by automated on-line solid phase extraction coupled with high-performance liquid chromatography-tandem mass spectrometry
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.ORCID iD: 0000-0002-5729-1908
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.
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2014 (English)In: Talanta: The International Journal of Pure and Applied Analytical Chemistry, ISSN 0039-9140, E-ISSN 1873-3573, Vol. 120, p. 158-166Article in journal (Refereed) Published
Abstract [en]

A method using automated on-line solid phase extraction coupled with a high-performance liquid chromatography-tandem mass spectrometry system was developed for the determination of emerging benzotriazole UV stabilizers (BZTs) in different environmental water matrices including river water, sewage influent and effluent. Water sample was injected directly and the analytes were preconcentrated on a Polar Advantage II on-line SPE cartridge. After cleanup step the target BZTs were eluted in back flush mode and then separated on a liquid chromatography column. Experimental parameters such as sample loading flow rate, SPE cartridge, pH value and methanol ratio in the sample were optimized in detail. The method detection limits ranged from 0.21 to 2.17 ng/L. Recoveries of the target BZTs at 50 ng/L spiking level ranged from 76% to 114% and the inter-day RSDs ranged from 1% to 15%. The optimized method was successfully applied to analyze twelve water samples collected from different wastewater treatment plants and rivers, and five BZTs (UV-P, UV-329, UV-350, UV-234 and UV-328) were detected with concentrations up to 37.1 ng/L. The proposed method is simple, sensitive and suitable for simultaneous analysis and monitoring of BZTs in water samples.

Place, publisher, year, edition, pages
Elsevier, 2014. Vol. 120, p. 158-166
Keywords [en]
On-line solid phase extraction, HPLC–MS/MS, Benzotriazole UV stabilizers, Water matrices
National Category
Environmental Sciences Analytical Chemistry
Identifiers
URN: urn:nbn:se:oru:diva-38401DOI: 10.1016/j.talanta.2013.10.041ISI: 000331917700022PubMedID: 24468355Scopus ID: 2-s2.0-84896123174OAI: oai:DiVA.org:oru-38401DiVA, id: diva2:765033
Note

Sponsors:

National Natural Science Foundation Grant(s): 21207140  20890110  20621703 

National Basic Research Program of China Grant(s): 2009CB421605 

Available from: 2014-11-21 Created: 2014-11-07 Last updated: 2018-06-11Bibliographically approved

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Wang, Thanh

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