Determination of dimethyl fumarate in clay desiccant was developed by gas chromatography with MS detector.DB-5ms capillary column was applied and the selected monitoring ions(m/z)was 113 and 85.The ground desiccant wa...Determination of dimethyl fumarate in clay desiccant was developed by gas chromatography with MS detector.DB-5ms capillary column was applied and the selected monitoring ions(m/z)was 113 and 85.The ground desiccant was extracted by ultrasound enhanced acetic ether extraction.The quantitative test limit was 3 mg/kg.The recoveries were between 86.5% and 93.7%,and the Relative Standard Deviations were between 5.1 and 9.2%.The results presented that the method was simple,accurate and reliable for the test of dimethyl fumarate in clay desiccant.展开更多
文摘Determination of dimethyl fumarate in clay desiccant was developed by gas chromatography with MS detector.DB-5ms capillary column was applied and the selected monitoring ions(m/z)was 113 and 85.The ground desiccant was extracted by ultrasound enhanced acetic ether extraction.The quantitative test limit was 3 mg/kg.The recoveries were between 86.5% and 93.7%,and the Relative Standard Deviations were between 5.1 and 9.2%.The results presented that the method was simple,accurate and reliable for the test of dimethyl fumarate in clay desiccant.