通过顶空装置将样品中的呋喃提取出来,以D4-呋喃作为内标物,HP-PLOT Q石英毛细管柱作为分析柱,采用气相色谱分离,质谱定性定量,建立了婴幼儿食品中呋喃的顶空气相色谱-质谱联用分析方法.方法的低浓度工作曲线的线性范围为10～70 ng,高浓度工作曲线的线性范围为50.0～400.0 ng,两条曲线的相关系数均为0.997.方法的定性检出限(S/N≥3)为3.8 ng/g,定量检出限(S/N≥10)为10.0 ng/g.不同基底样品中高低添加浓度的加标回收率为90.0%～98.4%,相对标准偏差均小于10%.
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