通过对出口蔬菜中常见高频农药残留气相色谱-质谱测定所使用的提取溶剂、固相萃取柱吸附剂类型、淋洗液的种类和用量等主要因素进行优化和选择，系统确立了结合使用SAX/PSA净化剂等前处理方法和检测仪器的选择方法及其监测离子选择，明确了分析保护剂种类及配比，前处理技术好于GB/T19648-2006和多个实验室使用的方法。%Through the export of common high pesticide residues in vegetables by gas chromatography-mass spectrometry used in the extraction solvent , solid-phase extraction column sorbent type , the type and amount of eluent major factors such as optimization and selection , the system establishes the combined SAX / PSA purification agents pre-treatment methods and the choice of methods and instrumentation to monitor ion selective, clear protective agent type and ratio analysis, pre-processing technique is better than GB/T19648-2006 and multiple laboratory methods used.
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