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Dioctyltin and tributyltin detection at trace levels in water and beverages by capillary gas chromatography with flame photometric detection

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Abstract

A simple chromatographic procedure has been developed for the sensitive determination of dioctyltin and tributyltin compounds in water and beverages. Dioctyltin and tributyltin react with NaBH4 at pH 5 to produce volatile hydrides which can be quantitatively extracted into CH2Cl2. The corresponding dioctyltin hydride derivative is identified by HPLC-ES-MS and measured by flame photometric detection using the quartz surface-induced tin emission. Detection limits of less than 0.7 pg of tributyltin and 10 pg of dioctyltin were achieved. Results showed that up to 9.5 ng/mL levels of dioctyltin were present in beverages.

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Authors and Affiliations

  1. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O.Box 2871, Beijing, 100085, P.R. China e-mail: gbjiang@mail.rcees.ac.cn, , , , , , CN

    G. B. Jiang, F. Z. Xu & F. J. Zhang

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  1. G. B. Jiang
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  2. F. Z. Xu
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  3. F. J. Zhang
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Received: 20 July 1998 / Revised: 26 August 1998 / Accepted: 28 August1998

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Jiang, G., Xu, F. & Zhang, F. Dioctyltin and tributyltin detection at trace levels in water and beverages by capillary gas chromatography with flame photometric detection. Fresenius J Anal Chem 363, 256–260 (1999). https://doi.org/10.1007/s002160051184

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  • DOI: https://doi.org/10.1007/s002160051184

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