液相色谱串联质谱法测定饲料中尼卡巴嗪的含量

Feed Industry(2013)

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Abstract
文中建立了一种用液相色谱串联质谱仪(LC-MS/MS)测定饲料中尼卡巴嗪(以DNC计)含量的检测方法。饲料经乙腈超声提取,离心,正己烷净化后,过0.22μm滤膜上机,内标法定量测定。试验结果表明,DNC浓度在10~1 000μg/l范围内呈良好的线性关系。当饲料中DNC含量在10μg/kg~1 mg/kg时,平均添加回收率为80%~110%,最低检测限为10μg/kg。本方法操作简便、快速,结果稳定、可靠,可满足饲料中尼卡巴嗪的含量检测。
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nicarbazin,feed,LC-MS/MS
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