液相色谱-串联质谱法测定饲料中氟喹诺酮类药物

China Feed(2015)

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Abstract
本试验建立了饲料中氟喹诺酮类药物添加剂的液相色谱-串联质谱检测方法.样品经含1%甲酸的甲醇溶液提取,HLB固相萃取柱净化,0.22 μm滤膜过滤后用液相色谱-串联质谱检测法测定,外标法定量.该法适用于配合饲料、浓缩饲料、预混合饲料和鱼饲料等饲料中盐酸环丙沙星、恩诺沙星、诺氟沙星、氧氟沙星、甲磺酸达氟沙星、盐酸沙拉沙星含量的测定.6种药物的检测限为60.0 μg/kg,定量限为200.0 μg/kg.该方法步骤简单、易于操作,准确度、精密度和灵敏度高,符合我国对饲料中氟喹诺酮类药物含量检测要求.
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