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Title: An evaluation of antifouling booster biocides in Gran Canaria coastal waters using SPE-LC MS/MS
Authors: Sánchez Rodríguez, Álvaro
Ferrera, Zoraida Sosa 
Rodríguez, José Juan Santana 
UNESCO Clasification: 2301 química analítica
Keywords: Booster biocides
Irgarol 1051
Dichlofluanid, et al
Issue Date: 2011
Publisher: 0306-7319
Project: Estudio y Control Analitico de la Presencia de Diferentes Grupos de Contaminantes Orgánicos en Puertos Deportivos y Pesqueros de la Isla de Gran Canaria. 
Journal: International Journal of Environmental Analytical Chemistry 
Abstract: 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.
ISSN: 0306-7319
DOI: 10.1080/03067310903524848
Source: International Journal of Environmental Analytical Chemistry [ISSN 0306-7319], v. 91, p. 1166-1177
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