碳骨架气相色谱法测定塑胶跑道中短链氯化石蜡  

Measurement of Short Chain Chlorinated Paraffins in Plastic Track with Carbon Skeleton Gas Chromatography

作　　者：郑煜 叶元坚 卢家俊 陈志 刘海燕 利剑飞 Zheng Yu;Ye Yuanjian;Lu Jiajun;Chen Zhi;Liu Haiyan;Li Jianfei(Guangzhou Quality Supervision and Testing Institute,Guangzhou 511447,China)

机构地区：[1]广州质量监督检测研究院,广东广州511447

出　　处：《山东化工》2020年第10期105-106,109,共3页Shandong Chemical Industry

基　　金：广东省质量技术监督局科技项目(2018CZ08)。

摘　　要：采用碳骨架-气相色谱法测定了塑胶跑道中的短链氯化石蜡。研究了催化氢化效率的影响因素,该方法有效分离了塑胶跑道原料及成品中不同链长的氯化石蜡在色谱检测时响应信号的相互干扰。结果表明:该方法检出限为1 g/kg,加标回收率在82.4%~97.2%之间,相对标准偏差(RSD,n=6)为3.4%~4.9%。A carbon skeleton gas chromatography has been used for determination of short-chain chlorinated paraffins(SCCPs)in plastic runways.The research focuses on influencing factors of catalytic hydrogenation efficiency.The method effectively separates the mutual interference of the response signals of chlorinated paraffin with different chain lengths in the raw materials and products of plastic runways.The results show that the detection limit is1 g/kg.The recovery rateof this method is in the range of 82.4%-97.2%,withrelative standard deviation(RSD,n=6)of 3.4%~4.9%.

关 键 词：短链氯化石蜡 碳骨架 气相色谱法 塑胶跑道 

分 类 号：O657.71[理学—分析化学]