Determination of 7 nipagin ester preservatives in leather by ultra performance liquid chromatography-tandem mass spectrometry coupled with gel permeation chromatographic clean-up
Abstract:A novel method has been developed for the rapid separation and determination of 7 nipagin ester preservatives in leather by ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) coupled with gel permeation chromatographic (GPC) clean-up. Nipagin ester preservatives in leather were extracted by ultrasonic extraction with methanol. The extract was dried by a rotavapor and purified by GPC, then redissolved in the solvent of methanol-water (1 : 1, v/v). The chromatographic analysis was perf… Show more
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