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A simple and rapid procedure of simultaneous determination of diethylstilbestrol and bisphenol A in canned foods (1–250 and 0.5–125 µg kg-1, respectively), drinking water, alcoholic and no alcoholic beverages (0.25-50 µg L-1 and 0.1–25 µg L-1, respectively) by gas-liquid chromatography with a detector to capture electrons developed. Diethylstilbestrol and bisphenol A from food was extracted with acetonitrile by the method of QuEChERS. Further purification and concentration of the extract was carried dispersive liquid-liquid microextraction carbon tetrachloride. The duration of the analysis was 1–1.5 h, the relative standard deviation of the results of analysis does not exceed 0.1.

izvestiâ saratovskogo universiteta. novaâ seriâ. seriâ himiâ. biologiâ. èkologiâ

Combination of the QuEChERS with the Dispersive Liquid-liquid Microextraction and Derivatisation in the Determination Diethylstilbestrol and Bisphenol A in Products by Gas-liquid Chromatography