建立了测定调味品中15种工业合成染料的固相萃取-高效液相色谱法(SPE-HPLC).样品经甲醇-水(1∶1,v/v)超声提取、SPE柱净化后用HPLC进行分析,流动相为10 mmol/L乙酸铵溶液(含1%乙酸)和乙腈.实验结果表明15种工业合成染料的分离效果良好,回收率为84.6%～114.2%,相对标准偏差为0.9%～10.3%;检出限为0.05～0.18 mg/kg.该方法操作简单,结果准确,重现性好,可用于同时测定调味品中非法添加的15种工业合成染料.
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