建立了测定鸡组织与鸡蛋中氯苯胍残留的高效液相色谱法.试样用乙腈提取,经HLB固相萃取柱净化和流动相定容后,采用高效液相色谱法测定.以乙腈-0.05 mol/L NH4H2PO4缓冲液(6:4, v/v, pH 6.5)为流动相,流速为1.0 mL/min,于317 nm波长下检测.氯苯胍在10~1000 μg/L 范围内具有良好的线性关系;方法的检出限(信噪比为3)为10 μg/L,定量限(信噪比为10)为15 μg/kg;回收率为73.1%~88.7% .该法操作简便、快速、灵敏、准确,样品处理简便易行,适用于测定鸡组织与鸡蛋中残留的氯苯胍.
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