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QuEChERS sample preparation in the simultaneous determination of diethylstilbestrol and ractopamine in food by gas-liquid chromatography

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Abstract

A simple and rapid method has been proposed for the determination of 1–25 μg/kg of diethylstilbestrol and β-adrenostimulator ractopamine in food by gas-liquid chromatography with an electron-capture detector. The extraction of the target components was performed by the QuEChERS method; the additional purification of the extract and preconcentration in the determination of diethylstilbestrol has been performed by dispersion liquid-liquid microextraction with tetrachloromethane. Recovery was 92–110% and preconcentration factor, 40. The time of analysis is 1.5–2 h; the relative standard deviation of the results of analysis does not exceed 10 %.

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Authors and Affiliations

  1. Federal Center for Animal Health, Yur’evetz, Vladimir, 600901, Russia

    V. G. Amelin, D. S. Korolev & A. V. Tret’yakov

  2. Vladimir State University, ul. Gor’kogo 87, Vladimir, 600000, Russia

    V. G. Amelin

Authors
  1. V. G. Amelin
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  2. D. S. Korolev
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  3. A. V. Tret’yakov
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Corresponding author

Correspondence to V. G. Amelin.

Additional information

Original Russian Text © V.G. Amelin, D.S. Korolev, A.V. Tret’yakov, 2015, published in Zhurnal Analiticheskoi Khimii, 2015, Vol. 70, No. 4, pp. 359–364.

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Amelin, V.G., Korolev, D.S. & Tret’yakov, A.V. QuEChERS sample preparation in the simultaneous determination of diethylstilbestrol and ractopamine in food by gas-liquid chromatography. J Anal Chem 70, 419–423 (2015). https://doi.org/10.1134/S1061934815040024

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  • DOI: https://doi.org/10.1134/S1061934815040024

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