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Determination of Sulphodimides Residues in Pig Muscles by High Performance Liquid Chromatography

Lin Hong-ying, Guiping Lu

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Abstract

Sulfonamides in pork sample were first extracted with acetonitrile after dehydration with anhydrous sodium sulfate,then purified from fats by extraction with n-hexane,and finally determined by HPLC with a UV detector at a wavelength of 270 nm.The lowest concentration of sulphodimides that could be detected was 5 μg/kg,and the recovery rate of sulphodimides was over 90% with relative error of less than 10%.A highly sensitive method for determination of sulphodimides residues in pig muscles by high performance liquid chromatography(HPLC).This method is fast,easy and accurate for determination of sulphodimides residues in pig muscles.

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What this paper is about

Sulfonamides in pork sample were first extracted with acetonitrile after dehydration with anhydrous sodium sulfate,then purified from fats by extraction with n-hexane,and finally determined by HPLC with a UV detector at a wavelength of 270 nm.The lowest concentration of sulphodimides that could be detected was 5 μg/kg,and the recovery rate of sulphodimides was over 90% with relative error of less than 10%.A highly sensitive method for determination of sulphodimides residues in pig muscles by high performance liquid chromatography(HPLC).This method is fast,easy and accurate for determination of sulphodimides residues in pig muscles.

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Available abstract

Sulfonamides in pork sample were first extracted with acetonitrile after dehydration with anhydrous sodium sulfate,then purified from fats by extraction with n-hexane,and finally determined by HPLC with a UV detector at a wavelength of 270 nm.The lowest concentration of sulphodimides that could be detected was 5 μg/kg,and the recovery rate of sulphodimides was over 90% with relative error of less than 10%.A highly sensitive method for determination of sulphodimides residues in pig muscles by high performance liquid chromatography(HPLC).This method is fast,easy and accurate for determination of sulphodimides residues in pig muscles.

Key concepts: Chromatography, High-performance liquid chromatography, Anhydrous, Chemistry, Extraction (chemistry), Acetonitrile, Hexane, Sodium sulfate

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