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环境化学  2015 

加速溶剂萃取/气相色谱质谱法测定鱼类样品中的多环麝香

Keywords: 加速溶剂萃取(ASE),凝胶渗透色谱(GPC),多环麝香,鱼类样品,GC-MS

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Abstract:

建立了鱼类样品中5种多环麝香的分析方法.采用加速溶剂萃取(ASE)提取,经凝胶渗透色谱(GPC)以及中性氧化铝层析柱净化后,浓缩并定容洗脱液,用GC-SIM-MS进行检测.本方法对替代物标样荧蒽-d10的回收率为92.7%—112.9%.以六氯苯(13C)为内标,5种合成麝香的线性范围为1.0—1000.0ng·g-1.麝香的检出限为0.20—0.30ng·g-1(S/N=3).5种化合物的基质加标回收实验的平均回收率为89.6%—110.1%,RSD为3.2%—8.8%.方法准确,可用于实际样品的检测.

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