GB/T 19649-2005粮谷中405种农药多残留测定方法　气相色谱-质谱和液相色谱-串联质谱法.pdf

ICS 67.060 C 53 巧日 中 华 人 民 共 和 国 国 家 标 准 GB/T 19649-2005 粮谷中405种农药多残留测定方法 气相色谱一质谱和液相色谱一串联质谱法 Methodfordeterminationof405pesticidesresiduesingrains- GC-MSandLC-MS-MSmethod 2005-02-04发布 2005-08-01实施 中华人民共和国国家质量监督检验检疫总局 发 布 中 国 国家 标 准 化 管 理 委 员 会 GB/T19649-2005 目 次 前言 ···························，····················································································…… 工 1 范围 ·············································································································…… 1 2 规范性引用文件 ································································································…… 1 3 原理 ···············································································································…… 1 4 试剂和材料 ··············································1 5 仪器 ···························································································，·················…… 2 6试样制备与保存 ·····························································································……2 7 测定步骤 ··············，······················································································…… 2 8 结果计算 ·······································································································…… 4 9 精密度 ··········································，···········，·····························，·····················…… 5 附录A(资料性附录) 405种农药中英文名称、方法检出限、分组、溶剂选择和混合标准溶液浓 度表 ·，，·················································································…… 6 附录B(资料性附录)GC-MS测定的362种农药和内标化合物的保留时间、定量离子、定性离子 及定量离子与定性离子的丰度比值 ·············································…… 19 附录C(资料性附录) GC-MS测定的A,B,C,D四组农药选择离子监测分组