Salinomycin and monensin were added to eggs and chicken meat, and samples were taken and analyzed for residues by HPLC.

• 试验采用在鸡蛋和鸡肉中分别添加一定量已知浓度的2种药物，分别经上述4种加工方法处理后，取样提取、净化，用高效液相色谱法测定其残留量。