作　　者： ; ; ; ; ; ; ; ;

机构地区： 中国广州分析测试中心

出　　处： 《理化检验（化学分册）》 2010年第8期938-939,942,共3页

摘　　要： 提出了顶空气相色谱-质谱联用法测定洗浴用品及原材料中1,4-二氧杂环己烷残留量的方法。采用选择离子监测模式,以质荷比m/z43,58,88的特征离子进行定性分析;以质荷比m/z88的特征离子进行定量检测。1,4-二氧杂环己烷的质量浓度在500 mg.L-1以内与其峰面积呈线性关系,检出限（3S/N）为0.5 mg·kg^-1。加标回收率为92.8%-105.5%,相对标准偏差（n=6）为2.50%-6.35%。 Gas chromatography with head-space sample introduction and hyphenated with mass spectrometry（HS-GC-MS） was applied to the determination of 1,4-dioxane in toiletries and their raw materials.Qualitative analysis was performed by using the SIM mode with m/z 43,58 and 88 as characteristic ions,and quantitative analysis was performed with m/z 88 as characteristic ion.Linear relationship between values of peak area and mass concentration of 1,4-dioxane was kept in the range within 500 mg·L^-1,with detection limit（3S/N）of 0.5 mg·kg^-1.Values of recovery obtained by standard addition method were in the range of 92.8%-105.5%,with RSD′s（n=6） in the range of 2.50%-6.35%.

关 键 词： 顶空气相色谱 质谱法 洗浴用品 原材料 二氧杂环己烷

领　　域： [理学] [理学]