涂层织物中7种邻苯二甲酸酯类增塑剂的GC-MS测试方法

Determination of seven kinds of phthalate acid esters in coated textiles by GC-MS

针对涂层织物，采用气相色谱-质谱（GC—MS）检测技术，对纺织品中7种邻苯二甲酸酯类增塑剂（PAEs）的含量进行测试研究．通过索氏提取和固相萃取净化样品，经总离子流图确证、定性和定量离子分析，建立了纺织品中PAEs含量的Gc—Ms测试方法．结果表明：7种PAEs工作曲线线性关系良好，线性相关系数为0．9958-0．9999．方法定量限为23～274μg／L，试样加标回收率为96．2％～100．9％，相对标准偏差为1．10％-6．87％之间；该方法简便快捷，灵敏度高，定量准确，用该方法在儿童防水涂层织物、防水油布中检出PAEs的含量超过0．1％．

Seven kinds of phthalate acid esters （PAEs） plasticizer content in coated textiles are tested by using GC-MS de-tection technique. Through the procedure of soxhlet extraction, solid phase extraction sample, total ion current confirmatory, qualitative and quantitative ion analysis, GC-MS detection for PAEs content in textiles is devel-oped. The results show that the linear relationship for the calibration curves of 7 kinds of PAEs using this method is good, the linear correlation coefficient is 0.995 8-0.999 9, the limits of quantification are 23-274 μg/L, the standard addition recoveries is 96.2%-100.9% , and the relative standard deviation is 1.10% -6.87%. The method is simple, fast, high sensitivity and quantitative accuracy. This method is used to detect PAEs in baby waterproof coated fabrics, then the results showed that baby waterproof coated fabrics and tarpaulins contain more than 0.1% PAEs.