[Determination of melamine in cosmetics by hydrophilic interaction chromatography-tandem mass spectrometry].

Abstract

A method for the determination of melamine in cosmetics was developed by hydrophilic interaction chromatography-tandem mass spectrometry (HILIC-MS/MS). The sample was extracted in turn by aqueous solution of trichloroacetic acid and hexane, and then cleaned-up by the mixed-mode cation exchange (MCX) solid-phase extraction (SPE) cartridge. A ZIC-HILIC column… (More)

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