顶空-气相色谱法测定烟用水基胶中乙酸乙烯酯的残留量
Physical Testing and Chemical Analysis Part B:Chemical Analysis(2015)
Abstract
采用顶空-气相色谱法测定烟用水基胶中乙酸乙烯酯的残留量.以N,N-二-甲基甲酰胺为基质校正剂、正丙醇为内标,通过顶空进样后,采用HP-VOC色谱柱分离,火焰离子化检测器(FID)检测.乙酸乙烯酯的质量浓度在0.51~50 mg·L-1范围内呈线性,方法的检出限(3S/N)为0.82 μg·g-1.万法用于不同烟用水基胶中乙酸乙烯酯残留量的测定,加标回收率在96.2%~101%之间,测定值的相对标准偏差(n=6)小于3%.
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