Determination of benzimidazoles residue markers in chicken tissue by high performance liquid chromatography
Zou You, Linzhi Shao, Yingxuan Wu
Abstract
Zou You, Linzhi Shao, Yingxuan Wu
Abstract
摘要: 建立了高效液相色谱同时测定鸡肉、鸡肝脏和鸡肾脏中11种苯并咪唑类药物残留标志物的方法。样品采用乙腈提取,经正己烷脱脂后以MCX固相萃取小柱净化,净化液浓缩处理后采用Atlantis T3色谱柱分离,以甲醇-1%(v/v)乙酸水溶液为流动相进行梯度洗脱,紫外检测波长为292 nm,外标法定量检测。目标化合物在25~1000 μg/L范围内线性良好,定量限为50 μg/kg;在不同添加水平下目标化合物的回收率为70.91%~103.21%,相对标准偏差为1.48%~10.08%(n=6),精密度和准确度均符合要求,能够满足鸡组织中苯并咪唑类药物残留标志物的检测要求。
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摘要: 建立了高效液相色谱同时测定鸡肉、鸡肝脏和鸡肾脏中11种苯并咪唑类药物残留标志物的方法。样品采用乙腈提取,经正己烷脱脂后以MCX固相萃取小柱净化,净化液浓缩处理后采用Atlantis T3色谱柱分离,以甲醇-1%(v/v)乙酸水溶液为流动相进行梯度洗脱,紫外检测波长为292 nm,外标法定量检测。目标化合物在25~1000 μg/L范围内线性良好,定量限为50 μg/kg;在不同添加水平下目标化合物的回收率为70.91%~103.21%,相对标准偏差为1.48%~10.08%(n=6),精密度和准确度均符合要求,能够满足鸡组织中苯并咪唑类药物残留标志物的检测要求。
Key concepts: Chromatography, Residue (chemistry), Chemistry, Detection limit, High-performance liquid chromatography, Analyte, Calibration curve, Acetic acid