Rapid analysis of six phthalate esters in wine by ultrasound-vortex-assisted dispersive liquid-liquid micro-extraction coupled with gas chromatography-flame ionization detector or gas chromatography-ion trap mass spectrometry.
作者： Giuseppe Cinelli , Pasquale Avino , Ivan Notardonato , Angela Centola , Mario Vincenzo Russo
DOI: 10.1016/J.ACA.2013.01.031
关键词: Analyte 、 Detection limit 、 Chemistry 、 Gas chromatography 、 Chromatography 、 Analytical chemistry 、 Wine 、 Enrichment factor 、 Extraction (chemistry) 、 Mass spectrometry 、 Phthalate
摘要: Abstract An Ultrasound-Vortex-Assisted Dispersive Liquid–Liquid Micro-Extraction (USVADLLME) procedure coupled with Gas Chromatography-Flame Ionization Detector (GC-FID) or Chromatography-Ion Trap Mass Spectrometry (GC-IT/MS) is proposed for rapid analysis of six phthalate esters in hydroalcoholic beverages (alcohol by volume, alc vol−1, ≤40%). Under optimal conditions, the enrichment factor analytes ranges from 220- to 300-fold and recovery 85% 100.5%. The limit detection (LOD) quantification (LOQ) are ≥0.022 μg L−1 ≥0.075 μg L−1, respectively. Intra-day inter-day precisions expressed as relative standard deviation (RSD), ≤8.2% ≤7.0%, whole methodology has demonstrated be simple, reproducible sensible determination trace red white wine samples.
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