This standard specifies the determination methods of gas chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry for 405 pesticides (see Appendix A) residues in grains. This standard applies to the determination of 405 pesticide residues in rice, millet, black rice, corn, barley, wheat, oats and other grains. The method detection limit of this standard is 0.0002mg/kg~0.3000mg/kg (see Appendix A).
GB/T 19649-2005 history
2006GB/T 19649-2006 Method for the determination of 475 pesticides and related chemicals residues in grains GC-MS method
2005GB/T 19649-2005 Method for determination of 405 pesticides residues in grains-GC-MS and LC-MS-MS method
GB/T 19649-2005 Method for determination of 405 pesticides residues in grains-GC-MS and LC-MS-MS method was changed to GB/T 20770-2006 Method for the determination of 372 pesticides and related chemicals residues in grains LC-MS-MS method.