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2010•Xiandai yufang yixueRequires access

DETERMINATION OF MELAMINE IN DAIRY PRODUCTS BY HYDROPHILIC INTERACTION LIQUID CHROMATOGRAPHY

Liu Xiang-pin

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Abstract

[Objective] To establish a high performance liquid chromatographic method for the determination of melamine in dairy products.[Methods] The sample was extracted and purified with Oasis MCX solid phase extraction column.On HILIC column CH3CN-0.02mol / L NH4AC was applied as mobile phase,melamine was determined by PDA detector.[Results] The linear range of the method was 0.5μg / Ml-20μg / mL.The lowest detectable content was 0.5mg / kg.The recovery rate was 86%96%,and the relative standard deviation was 1.8%-8.0%.[Conclusion] The method is sensitive,accurate and repeatable,and is suitable for the determination of melamine in dairy products.

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What this paper is about

[Objective] To establish a high performance liquid chromatographic method for the determination of melamine in dairy products.[Methods] The sample was extracted and purified with Oasis MCX solid phase extraction column.On HILIC column CH3CN-0.02mol / L NH4AC was applied as mobile phase,melamine was determined by PDA detector.[Results] The linear range of the method was 0.5μg / Ml-20μg / mL.The lowest detectable content was 0.5mg / kg.The recovery rate was 86%96%,and the relative standard deviation was 1.8%-8.0%.[Conclusion] The method is sensitive,accurate and repeatable,and is suitable for the determination of melamine in dairy products.

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Available abstract

[Objective] To establish a high performance liquid chromatographic method for the determination of melamine in dairy products.[Methods] The sample was extracted and purified with Oasis MCX solid phase extraction column.On HILIC column CH3CN-0.02mol / L NH4AC was applied as mobile phase,melamine was determined by PDA detector.[Results] The linear range of the method was 0.5μg / Ml-20μg / mL.The lowest detectable content was 0.5mg / kg.The recovery rate was 86%96%,and the relative standard deviation was 1.8%-8.0%.[Conclusion] The method is sensitive,accurate and repeatable,and is suitable for the determination of melamine in dairy products.

Key concepts: Melamine, Chromatography, Chemistry, Relative standard deviation, Hydrophilic interaction chromatography, Recovery rate, Extraction (chemistry), High-performance liquid chromatography

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DETERMINATION OF MELAMINE IN DAIRY PRODUCTS BY HYDROPHILIC INTERACTION LIQUID CHROMATOGRAPHY — Research Paper | ScholarLens