论文部分内容阅读
建立了学生用塑料书套中6种常见邻苯二甲酸酯(PAEs)类增塑剂的快速检测方法。以二氯甲烷为萃取溶剂,通过超声萃取对样品中的PAEs进行提取,随后采用气相色谱-质谱联用法(GC-MS)进行检测。结果表明:市售聚氯乙烯(PVC)材质书套中普遍检出了高浓度PAEs,其主要成分为邻苯二甲酸二(2-乙基)己酯(DEHP)。该检测方法提取效率高,线性范围较宽,回收率高且重现性好。
A rapid test method for 6 kinds of common phthalate ester (PAEs) plasticizers in plastic book cover for students was established. PAEs were extracted by ultrasonic extraction with dichloromethane as extraction solvent, followed by gas chromatography-mass spectrometry (GC-MS). The results showed that high concentrations of PAEs were commonly detected in commercially available polyvinyl chloride (PVC) book covers. The main component was di (2-ethylhexyl) phthalate (DEHP). The detection method has the advantages of high extraction efficiency, wide linear range, high recovery rate and good reproducibility.