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建立了禽蛋及其制品中4种苏丹红染料(苏丹红Ⅰ,Ⅱ,Ⅲ和Ⅳ)残留量的固相萃取/超高效液相色谱-串联质谱(UPLC-MS/MS)测定方法.样品经正己烷超声提取,上清液经苏丹红专用SPE柱净化,采用Waters CORTECSTM UPLC(R)C18(2.1 mm ×100 mm,1.7μm)柱以5 mmol/L乙酸铵溶液-0.2%甲酸和乙腈为流动相梯度洗脱分离,电喷雾电离(ESI)正离子多反应监测模式(MRM)进行测定,内标法定量.结果表明,苏丹红Ⅰ~Ⅳ在0.5 ~ 20μg/L范围内线性关系良好,相关系数均大于0.999;在低、中、高3个加标水平的平均回收率为80.0%~ 104.2%,相对标准偏差为4.2%~10.9%.方法的检出限(LOD)为0.26~0.35 μg/kg,定量下限(LOQ)为0.9~1.2 μg/kg.该方法操作简便、准确、快速、灵敏,可用于禽蛋和蛋制品中苏丹红染料的检测分析.
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分析测试学报
ISSN: 1004-4957
CN: 44-1318/TH
Year: 2015
Issue: 2
Volume: 34
Page: 171-176
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 8
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