MSPD-HPLC法测定鲫鱼肌肉中辛硫磷残留

【作者】 石旺荣； 刘晓宇； 邱瑾； 郭静；

【机构】 华中农业大学食品科学技术学院；

【摘要】 建立了基质固相分散—高效液相色谱法测定鲫鱼肌肉中辛硫磷残留的检测方法。0.1g样品与0.5g无水硫酸钠和1.5g弗罗里硅土研磨均匀后装柱,以8ml丙酮进行洗脱,HPLC分析,外标法定量。方法检出限为0.015mg/kg,回收率>83%,相对标准偏差<6%。更多还原

【Abstract】 A method for the determination of phoxim in the muscle of Crucian Carp (Carassius auratus) was established with MSPD-HPLC.The sample was dispersed with 0.5g anhydrous sodium sulphate and 1.5g florisil and eluted with 25ml of acetone,and then analyzed by external reference method with HPLC.The limit of detection of phoxim was 0.015mg/kg,and the recoveries were greater than 83%,RSD was less than 6%.更多还原