GC-MS/MS法同时测定塑料制品中15种多溴二苯醚的含量  

Simultaneous determination of 15 polybrominated diphenyl ethers in plastic articles by GC-MS/MS

作　　者：梁多多 伞桂艳 LIANG Duo-duo;SAN Gui-yan(Alxa Vocational&Technical College,Alxa 750306,China)

机构地区：[1]阿拉善职业技术学院

出　　处：《现代化工》2019年第12期237-242,247,共7页Modern Chemical Industry

基　　金：内蒙古教育厅自然科学基金项目(NJZC16548)

摘　　要：采用超声波、索氏、微波方式提取塑料制品中多溴二苯醚(PBDEs),经固相萃取柱净化,采用多反应监测方式(MRM)模式,建立了气相色谱三重四级杆串联质谱法(GC-MS/MS)同时测定塑料制品中15种PBDEs分析方法。结果表明,15种PBDEs的质量浓度在0.01~1.0μg/m L范围内与质谱响应值呈良好的线性关系,相关系数均大于0.9996;检出限在0.5~3.0μg/kg,定量限在1.7~10.0μg/kg;加标回收率在94.2%~100.5%,RSD为0.2%~5.0%。该法准确度高、精密度好,可为塑料制品中PBDEs测定提供分析方法。Polybrominated diphenyl ethers(PBDEs)in plastic articles are extracted by ultrasonic,soxhlet and microwave,and then purified by solid phase extraction column.Multiple reaction monitoring mode(MRM)is employed to set up a method for determining simultaneously fifteen kinds of polybrominated diphenyl ethers(PBDEs)in plastic articles by gas chromatography-triple quadrupole mass spectrometry(GC-MS/MS).The results show that the mass concentration of 15 kinds of PBDEs exhibits good linear relation with MS response value in the range of 0.01-1.0μg·mL-1,with correlation coefficients greater than 0.9996.The detection limits range from 0.5μg·kg-1 to 3.0μg·kg-1,and the quantitative limits range from 1.7μg·kg-1 to 10.0μg·kg-1;the recovery rates range from 94.2%to 100.5%,and the relative standard deviation is in the range of 0.2%-5.0%.This method shows high accuracy and precision,and can provide an analytical method for the determination of PBDEs in plastic articles.

关 键 词：塑料制品 气相色谱三重四级杆串联质谱法 多溴二苯醚 

分 类 号：O657.63[理学—分析化学]