Abstract:
建立了一种高效液相色谱-串联质谱(HPLC-MS/MS)快速测定鳗鲡中恩诺沙星、环丙沙星、氧氟沙星、诺氟沙星、噁喹酸、氟甲喹、磺胺二甲嘧啶、磺胺对甲氧嘧啶共8种喹诺酮类及磺胺类药物残留的分析方法。样品用磷酸盐缓冲液、1%甲酸-乙腈水溶液超声提取,提取物经脱脂、浓缩,定容。采用ACQUITY UPLC®BEH C18(2.1×100mm,1.7μm)色谱柱以5 mmol/L乙酸铵溶液-0.2%甲酸和乙腈为流动相梯度洗脱分离,电喷雾正电离(ESI+)模式电离,多反应监测模式(MRM)检测,内标法定量。结果表明,8种药物在0-100ug/kg浓度范围内线性关系良好(r2≥0.995);在5...
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Year: 2015
Language: Chinese
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