图6. 样品2 中检测出的各目标物的色谱图
表2. 样品测试结果和方法的精密度
结论
本方法采用ThermoFisher 公司全新一代三重四级杆质谱TSQ8000 测定水产品中7 种多溴联苯醚的残留，样品提取率高，操作方便。仪器具有选择性好，线性范围宽，灵敏度高等优点。同时TSQ8000 提供的离子对扫描可以极大得去除假阳性的干扰，从而使检测结果更加准确。在复杂基质中，仪器的相对标准偏差（RSD, n=7）为2.29-5.58%。该分析测试方法中所涉及的7 种多溴联苯醚最低检测限为0.1 pg/ul。完全可以满足欧盟及各国对多溴联苯醚类物质的检测要求。
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