基于液相色谱-串联质谱法纺织品中三氯生的普查分析

建立了液相色谱-串联质谱法（LC-MS/MS）测定五大类纺织品中三氯生的检测方法，并对市场上随机抽取的15种样品进行了普查分析。样品采用三氯甲烷超声提取，提取后的溶液经过滤、浓缩后，采用LC-MS/MS检测，选择离子模式（SIM）扫描，外标法定量。该方法的在0.01～0.5?g/mL范围内有很好的线性关系，线性方程为：y=3.5e4x-994，线性相关系数为0.9998，方法的测定低限为0.025 mg/L，平均回收率为85.6～107.2 %，相对标准偏差小于7.0%。在所有样品中仅有2个样品检出，表明在纺织品中仍会添加三氯生。

Survey analysisof triclosan in textiles by liquid chromatography - tandem mass spectrometry

The method for the determination triclosan in five major categories of textiles by liquid chromatography - tandem mass spectrometry (LC-MS/MS) was established, and 15 samples were randomly selected from the market for survey analysis. The method has good linear relationship in the range of 0.01-0.5 μ g/mL, linear equation is: y=3.5e4x-994, correlation coefficient was 0.9998, the determination of the lower limit was 0.025 mg/L, the average recovery rate was 85.6 - 107.2%, the relative standard deviation was less than 7%. Only 2 samples was detected in all samples, showed that in textiles had been add triclosan.