广州海关技术中心,广东 广州 510623
张子豪,高级工程师,研究方向:有机质谱分析,E-mail: zhang_ziho@126.com
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张子豪,刘莹峰,彭莹等.热解分离/气相色谱-质谱法测定再生苯乙烯类聚合物中13种替代型溴系阻燃剂[J].分析测试学报,2022,41(10):1536-1541.
ZHANG Zi-hao,LIU Ying-feng,PENG Ying,et al.Determination of Alternative Brominated Flame Retardants in Recycled Styrene Polymers by Pyrolysis/Gas Chromatography-Mass Spectrometry[J].Journal of Instrumental Analysis,2022,41(10):1536-1541.
张子豪,刘莹峰,彭莹等.热解分离/气相色谱-质谱法测定再生苯乙烯类聚合物中13种替代型溴系阻燃剂[J].分析测试学报,2022,41(10):1536-1541. DOI: 10.19969/j.fxcsxb.22030304.
ZHANG Zi-hao,LIU Ying-feng,PENG Ying,et al.Determination of Alternative Brominated Flame Retardants in Recycled Styrene Polymers by Pyrolysis/Gas Chromatography-Mass Spectrometry[J].Journal of Instrumental Analysis,2022,41(10):1536-1541. DOI: 10.19969/j.fxcsxb.22030304.
采用热解分离/气相色谱-质谱联用技术建立了再生苯乙烯类聚合物中13种常见替代型溴系阻燃剂(ABFRs)的快速测定方法。样品预先剪碎制成小颗粒,在热解炉中程序升温,使13种替代型溴系阻燃剂热解析出,通过ZB-5HT INFERNO石英毛细管柱(15 m × 0.25 mm × 0.10 µm)分离,选择离子监测模式(SIM)下进行质谱测定。在优化的热解及色谱-质谱条件下,13种目标物均在10~500 mg/kg范围内具有良好的线性关系,方法定量下限为3.2 ~ 10.5 mg/kg。样品加标回收率为85.3%~114%,相对标准偏差(RSD,,n ,= 6)不大于16%。该方法具有操作简便快速、灵敏度高及准确性好等优点,适用于再生苯乙烯类聚合物中替代型溴系阻燃剂的快速测定。
A pyrolysis/gas chromatography-mass spectrometry was established for the determination of alternative brominated flame retardants(ABFRs) in recycled styrene polymers in this paper.And the pyrolysis and chromatography-mass spectrometry conditions were optimized.Samples were crushed into small particles in advance.The 13 ABFRs were pyrolyzed out of polymers by programmed heating in the pyrolysis furnace,then separated on a ZB-5HT INFERNO column(15 m × 0.25 mm × 0.10 µm),and determined by mass spectrometry under selected ion monitoring(SIM) mode.There were linear relationships for the analytes in the range of 10-500 mg/kg,with limits of quantitation between 3.2 mg/kg and 10.5 mg/kg.The recoveries ranged from 85.3% to 114%,with relative standard deviations(RSDs,,n ,= 6) not more than 16%.This method was rapid,precise and convenient to operate,and was appropriate for the determination of ABFRs in recycled styrene polymers.
再生塑料苯乙烯聚合物替代型溴系阻燃剂热解分离气相色谱-质谱
recycled plasticstyrene polymersalternative brominated flame retardantspyrolysisgas chromatography-mass spectrometry
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