摘要
比较了水萃取-气相色谱法和水/三氯甲烷2次萃取-气相色谱-质谱法在检测皮革中,N,N-二甲基甲酰胺(DMF)过程中的特点,对2种方法的回收率、准确度、检出限、检测过程时间等指标进行了评价。结果表明:气相色谱法简单快速,检测过程时间小于1h,检测限能够满足标准要求,但气相色谱-质谱法在定性确证中具有不可替代的作用。
The characteristics of Gas chromatography ( GC ) and Gas chromatography with mass spectrometry ( GC - MS ) in the detection of Dimethyl Formamide (DMF) in leather were compared with. Parameters of the two methods including recovery, accu- racy, detection limit, testing process time were evaluated. The results show that the GC method is simple and quick, whose detec- tion limit meets the requirement of standards with testing process time less than ih. However, the GC - MS method is more relia- ble for the qualitative confirmation of DMF.
出处
《中国皮革》
CAS
北大核心
2013年第17期14-16,共3页
China Leather
基金
国家质检总局科研项目(2011IK262)