超声萃取-GCMS法测定电子电气产品中的2-甲基-1-(4-甲硫基苯基)-2-吗啉基-1-丙酮含量

Determination of 2-methyl-1-(4-methylthiophenyl)-2-morpholinyl-1-propanone in Electronic and Electrical Products by Ultrasonic Extraction GCMS

本文以二氯甲烷为萃取溶剂,采用超声萃取-GCMS法测定电子电器产品中的2-甲基-1-(4-甲硫基苯基)-2-吗啉基-1-丙酮(光引发剂907)。结果表明:该方法能有效提取光引发剂907,检出限为50 mg/kg,加标回收率为99.9%,RSD<10%。方法简单快速,准确可靠,适用于电子电气产品中的光引发剂907测定。

2-methyl-1-(4-methylthiophenyl)-2-morpholinyl-1-propanone(photoinitiator 907) in electronic and electrical products was determined by ultrasonic extraction GCMS with dichloromethane as extraction solvent. The results showed that the method could effectively extract photoinitiator 907, the detection limit was50 mg/kg, the recovery rate was 99.9 %, RSD<10 %. The method is simple, rapid, accurate and reliable. It is suitable for the determination of photoinitiator 907 in electronic and electrical products.