摘要
本文研究了高效液相色谱-电喷雾离子阱质谱联用仪准确测定辣椒类食品中7种苏丹红类染料的分析方法。样品中的苏丹红类染料用有机溶剂乙腈提取．直接定容后进行色谱分析。质谱检测采用正离子电离方式。方法的线性范围为5．0～30μg／L，重现性RSD〈5．回收率为63．5％～106．8％。结果表明本方法具有操作简便、快速、准确等优点。
A method for determination of 7 kinds of Sudan dye in food by reversed-phase （RP） liquid chromatography-tandem mass spectrometry coupled with electro spray （LC- ESI-MS/MS） was developed. The sample was extracted by acetonitrile and analysed by LC- ESI-MS/MS. The linear range was 5.0～30μg/L. The average recoveries were 63.5%～ 106.8% and its relative standard deviation was lower than 5%. The method was sensitive, reliable, selective and reproducible.
出处
《质谱学报》
EI
CAS
CSCD
2006年第4期221-225,共5页
Journal of Chinese Mass Spectrometry Society
