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Issue 9, 2015
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Low-temperature precipitation for the determination of residual organotin compounds in plant oil using dispersive-solid phase extraction and gas chromatography-mass spectrometry

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Abstract

Considerable numbers of organotin compounds, which are widely used in people’s lives, have serious toxic effects to human health. In this paper, a simple, low-cost method for the simultaneous determination of four organotins in plant oil samples by gas chromatography-mass spectrometry (GC-MS) has been established for the first time. The method uses dispersive-solid phase extraction (d-SPE) clean-up after a low-temperature precipitation procedure, in situ derivatization with NaBEt4 and liquid–liquid extraction (LLE). The relevant experimental variables influencing the whole results were optimized; a good accuracy and precision were attained under the optimal conditions. The average recoveries obtained for analytes were in the range of 75.6–114.9% with a relative standard deviation (RSD) of 3.9–12.6%, and the limits of detection for each organotin ranged between 0.19 and 0.33 μg kg−1. Finally, these four organotins in different oil samples were detected using this method, which demonstrated the feasibility of our developed method in this study.

Graphical abstract: Low-temperature precipitation for the determination of residual organotin compounds in plant oil using dispersive-solid phase extraction and gas chromatography-mass spectrometry

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Publication details

The article was received on 05 Feb 2015, accepted on 26 Mar 2015 and first published on 27 Mar 2015


Article type: Communication
DOI: 10.1039/C5AY00325C
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Citation: Anal. Methods, 2015,7, 3685-3691
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    Low-temperature precipitation for the determination of residual organotin compounds in plant oil using dispersive-solid phase extraction and gas chromatography-mass spectrometry

    Y. Liu, Y. Ma, L. Guo, A. Yan, X. Mao and Y. Wan, Anal. Methods, 2015, 7, 3685
    DOI: 10.1039/C5AY00325C

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