The MSPD-HPLC technigue used for assay of trace pirimicarb and amitraz in fruit and vegetable was discussed and the conditions of quantitative analysis investigated in detail.

• 试验将MSPD技术用于水果、蔬菜中抗蚜威和双甲脒残留物的高效液色谱分析,并对定量检测条件作了详细的研究。