Combination of Solid-Phase Micro-Extraction and Direct Analysis in Real Time-Fourier Transform Ion Cyclotron Resonance Mass Spectrometry for Sensitive and Rapid Analysis of 15 Phthalate Plasticizers in Beverages
作者:Mengxi Wu、Haoyang Wang、Guoqing Dong、Brian D. Musselman、Charles C. Liu、Yinlong Guo
DOI:10.1002/cjoc.201400564
日期:2015.2
A method for rapid identification and quantification of phthalate plasticizers in beverages was developed. A number of 15 phthalate plasticizers which covered all the phthalates concerned in the US Consumer Product Safety Improvement Act (CPSIA), European Union legislations and Chinese national standards (GB) were analyzed. By a combined solid‐phase micro‐extraction (SPME) and direct analysis in real
开发了一种快速鉴定和定量饮料中邻苯二甲酸酯类增塑剂的方法。分析了15种邻苯二甲酸酯增塑剂,它们涵盖了《美国消费品安全改进法》(CPSIA),欧盟立法和中国国家标准(GB)中所有与邻苯二甲酸酯有关的物质。通过固相微萃取(SPME)和实时质谱法(DART-MS)的直接分析相结合,邻苯二甲酸盐的浓度低于ng·mL -1可以在短时间内定性和定量分析血药浓度。傅立叶变换离子回旋共振质谱(FT-ICR-MS)自然提供的超高分辨率和准确的质量测量能力可最大程度地减少基质干扰,从而无需复杂的样品处理或复杂样品即可评估复杂基质中的邻苯二甲酸盐准备。定量限(LOQ)估计为0.3-5.0 ng·mL -1,低于欧盟法规(2007/19 / EC)在食品,饮料,食品包装中规定的最大残留限量(MRL)和玩具(0.3–30 ng·mL -1)。这种快速且易于使用的SPME-DART-FT-ICR-MS方法为饮料和水样