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建立了测定粮食及肉制品中24种禁用工业染料的超高效液相色谱-串联质谱法.样品经甲醇、乙腈提取后,过WAX固相萃取柱净化.采用ACQUITY UPLC BEH C18分析柱分离,以l0 mmol/L乙酸铵-0.2%甲酸水溶液和甲醇-乙腈(7:3,v/v)为流动相梯度洗脱,多反应监测(MRM)模式测定.24种染料的相关系数R2均大于0.99,回收率在61%~116%之间,方法的精密度(RSD,n=6)小于13%,定量限在0.1~ 4.0 μg/kg.该方法灵敏度高,操作简单、高效,适合于粮食及肉制品中24种禁用工业染料的同时定量及确证分析.

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