Yanhe Tian

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A gas chromatography-mass spectrometry (GC-MS) method for the quantitative determination and confirmation of patulin in apple juice by tert-butyldimethylsilyl (TBDMS) derivatization was established. The sample was extracted with ethyl acetate-hexane and an aliquot of the supernatant was cleaned up using mixed-mode solid phase extraction (SPE) cartridge(More)
A method is presented for the quantitative determination and confirmation of cyanuric acid in infant formula by mixed-mode solid-phase extraction cartridge clean up-gas chromatography-mass spectrometry (GC-MS). Cyanuric acid was extracted from infant formula with an acetic acid solution at 84 degrees C. An aliquot of the supernatant was cleaned up using(More)
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