期刊
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
卷 91, 期 12, 页码 1166-1177出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/03067310903524848
关键词
booster biocides; Diuron; TCMTB; Irgarol 1051; Dichlofluanid; SPE; LC-MS/MS; the Canary Islands
资金
- Spanish Ministry of Education and Science [CTM2006/06503]
- Puerto Rico and Mogan port management
A solid phase extraction (SPE) technique for seawater samples coupled to quantification using liquid chromatography tandem-mass spectrometry (LC-MS/MS) is described to quantify relevant antifouling booster biocides of ecotoxicological concern (Diuron, TCMTB, Irgarol 1051 and Dichlofluanid). The optimised methodology provides a sensitive, easy to use and efficient analytical procedure with detection limits in the range of between 0.1 and 0.2 ng L-1 and appropriate reproducibility (with analytical standard deviations of less than 10%). Spiked recoveries for all compounds exceeded 72%. The method was tested through a thorough monitoring regime of commercial port and marinas on the island of Gran Canaria (off the north-west coast of Africa) over a period of several months in 2008. Results provide the first data for antifouling booster biocides in the Canary Islands. Concentrations of Diuron and Irgarol 1051 in samples ranged between 2 and 195 ng L-1 and 2 and 146 ng L-1, respectively. TCMTB and Dichlofluanid were not detected.
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