超声萃取法萃取PVC软质薄膜中增塑剂的可行性

Feasibility of ultrasonic extraction method for extracting plasticizers from PVC soft films

分析了超声萃取法和索氏萃取法萃取PVC软质薄膜中增塑剂的优缺点。通过试验验证了超声萃取法用于气相色谱分析软质PVC薄膜中增塑剂含量和组成的样品前处理过程的可行性,并给出了最佳测试条件。

The advantages and disadvantages of ultrasonic extraction and Soxhlet extraction for extracting plasticizers from PVC soft films were analyzed.The feasibility of using ultrasonic extraction method to pretreat samples for the analysis of plasticizer content and composition in soft PVC film by gas chromatography was verified through experiments,and the optimal testing conditions were provided.