GBT 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

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1、ICS67.060C53巧日中华人民共和国国家标准GB/T19649-2005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-MSmethod2005-02-04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···························，···········································

2、·········································⋯⋯工1范围·············································································································⋯⋯12规范性引用文件································································································⋯⋯13原理··························

3、·····················································································⋯⋯14试剂和材料··············································.............................................................15仪器··························································································

4、·，·················⋯⋯26试样制备与保存·····························································································⋯⋯27测定步骤··············，······················································································⋯⋯28结果计算·······················································

5、················································⋯⋯49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、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表····，·············⋯⋯30附录D(资料性附录)标准物质在小麦基质中选择离子监测GCMS图··························⋯⋯34附录E(资料性附录)LC-MS-MS测定的E组农药监测离子对、碰撞能量、去簇电压和保留时间·····，，·38附录F(资料性附录

7、)标准物质LC-MS-MS总离子流图·······················，················，·······⋯⋯40附录G(资料性附录)405种农药精密度数据表·········，，··············································⋯⋯41附录H(资料性附录)405种农药英文中文名称对照索引···········································⋯⋯53GB/T