Determination of difluorodichloromethane in foamed polystyrene products used for food packaging materials

【摘要】建立了顶空气相色谱法快速测定食品包装用发泡聚苯乙烯成型品中二氟二氯甲烷分析方法。二氟二氯甲烷检出限为0.86 mg/kg，平均回收率为88.1-92.2%，相对标准偏差2.9%，该方法具有灵敏度高、易操作、可快速对样品中二氟二氯甲烷进行检测的特点。该方法满足测定食品包装用发泡聚苯乙烯成型品中二氟二氯甲烷要求。

Abstract：Established one method for Determination of difluorodichloromethane in foamed polystyrene products used for food packaging materials by HeadSpace-Chromatography,. Quantization limits of difluorodichloromethane is 0.86 mg/kg，Recovery is88.1-92.2%，RSD is 2.9%. This method has higher sensitivity, and simultaneously quickly test the amount of difluorodichloromethane in one sample, satisfied for Determination of difluorodichloromethane in foamed polystyrene products used for food packaging materials

【关键词】二氟二氯甲烷、顶空气相色谱法、发泡聚苯乙烯

Key Words: Difluorodichloromethane, Headspace-Gas Chromatography, Foamed Polystyrene

原文发表于《上海化工》2013（5）