GC determination of butyltins in natural waters by flame photometric detection of hexyl derivatives with mass spectrometric confirmation |
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| Institution: | 1. University of Vienna, Department of Analytical Chemistry, Währingerstrasse 38, 1090, Vienna, Austria;2. University of Natural Resources and Life Sciences Vienna (BOKU), Department of Chemistry, Institute for Chemistry of Renewable Resources, Konrad-Lorenz-Straße 24, A-3430, Tulln, Austria;3. University of Perugia, Department of Pharmaceutical Sciences, Via Fabretti 48, 06123, Perugia, Italy;1. Programa de Pós-Graduação em Química Tecnológica e Ambiental, Escola de Química e Alimentos, Universidade Federal do Rio Grande, Av. Itália km 8, Campus Carreiros, Rio Grande, RS, 96203-900, Brazil;2. Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, 96203-900, Brazil;3. Departamento de Química, Universidade Federal de Santa Catarina, 88040-900, Trindade, Florianópolis, SC, Brazil;1. Unit of Immunology and Chronic Disease, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden;2. Division of Physiological Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden;3. Section of Vascular Surgery, Department of Surgery, Södersjukhuset, Institution of Clinical Science and Education, Karolinska Institutet, Stockholm, Sweden;4. Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden;5. Division of Emergency Medicine, Karolinska University Hospital, Sweden;1. Department of Inorganic and Analytical Chemistry, University of Szeged, H-6720 Szeged, Dóm tér 7, Hungary;2. Institute of Pharmaceutical Chemistry, University of Szeged, H-6720 Szeged, Eötvös u. 6, Hungary;3. Department of Analytical Chemistry, University of Vienna, Währingerstrasse 38, A-1090 Vienna, Austria;1. Department of Pharmaceutical Sciences, University of Perugia, Via Fabretti 48, 06123 Perugia, Italy;2. Department of Physics and Geology, University of Perugia, Via Pascoli 1, 06123 Perugia, Italy;3. Department of Analytical Chemistry, University of Vienna, Währinger Strasse 38, 1090 Vienna, Austria |
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| Abstract: | Butyltin compounds in the 1–100 ng Sn/Liter range are solvent extracted from estuarine waters and derivatized with n-hexyl magnesium bromide. This forms tetraalkyltins that are quantified by gas chromatography with flame photometric detection and confirmed by gas chromatography mass spectrometry. The n-hexyl derivatives of methyltin and butyltin species are easily separated, and quantified relative to an internal standard, tripentyltin chloride. |
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