气相色谱质谱法测定橡胶制品中的2,2′-亚甲基双-(4-甲基-6-叔丁基苯酚)  

Determination of 2,2′-methylenebis(4-methyl-6-tert-butylphenol)in Rubber by Gas Chromatography-mass Spectrometry

作　　者：余奕东[1] 林家耀 YU Yi-dong;LIN Jia-yao(Guangzhou Branch,SGS-CSTC Standards Technical Services Co.,Ltd.,Guangdong Guangzhou 510700,China)

机构地区：[1]通标标准技术服务有限公司广州分公司,广东广州510700

出　　处：《广州化工》2023年第9期112-114,共3页GuangZhou Chemical Industry

摘　　要：建立2,2′-亚甲基双-(4-甲基-6-叔丁基苯酚),即抗氧剂2246,在橡胶制品中的气相色谱质谱法。样品用二氯甲烷∶正己烷(1∶1)超声萃取,气相色谱质谱检测。结果表明,抗氧剂2246的质量浓度在1~50 mg/L范围内与峰面积的线性相关系数为0.9993,方法检出限为14 mg/kg,平均加标回收率为97%~113%,相对标准偏差为2%~3%。该方法分析时间短、精密度好,适用于橡胶制品中抗氧剂2246的快速检测。The method for determination of 2,2'-methylenebis(4-methyl-6-tert-butylphenol),also named as antioxidant 2246,in rubber by GC-MS.A sample wass extracted by ultrasonic in dichloromethane∶hexane(1∶1)and GC-MS.The results showed that the mass concentration of antioxidant 2246 had a good linear relationship with the chromatographic peak area in the range of 1~50 mg/L,its correlation coefficient was 0.9993.The method detection limit was 14 mg/kg,the average of recoveries ranges from 97%to 113%,the relative standard deviation was 2%~3%.This method can separate the target compound in short time with good precision.It is very suitable for the rapid determination of antioxidant 2246 in rubber.

关 键 词：抗氧剂2246 2 2′-亚甲基双-(4-甲基-6-叔丁基苯酚) 气相色谱质谱法 

分 类 号：O656.31[理学—分析化学]