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gc-ms nei biao fa ce ding fang zhi pin zhong de fu ma suan er jia zuo can liu liang
Pages: 28-32
Year: Issue:  5
Journal: The Light & Textile Industries of Fujian

Abstract: 以丙二酸二乙酯(DEM)为内标,纺织品经乙酸乙酯超声萃取,上清液浓缩并定容后上机测试.同时采用四因素三水平正交设计法对超声萃取条件如溶剂体积、溶剂类型、萃取时间以及样品质量进行了优化.该方法的定量检测限为0.05 mg/kg,DMF在质量浓度0.005~5.0μg/mL范围内,线性相关系数为0.9998.0.05,0.1,0.5 mg/kg 3个水平加标回收率在81.5%~93.0%,相对标准偏差...
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