HJ 1189-2021 (English Version) PDF

Scope: This standard specifies a gas chromatography-mass spectrometry method for the determination of organophosphorus pesticides in water. This standard is applicable to dichlorvos, strophosphos, systemic phosphonate, phosphatide, phorate, terbuphos, diazinon, and fenfos in surface water, groundwater, seawater, domestic sewage and industrial wastewater. Phosphos, isopyrifosin, dimethoate, chlorzophos, chlorpyrifos methyl, phosphine, parathion methyl, chlorpyrifos, fenitrothion, malathion, parathion, bromithion, methyl Determination of 28 kinds of organophosphorus pesticides such as isosaphos, aminophos, Daofengsan, profenofos, difenfos, triazophos, pyrophos, and trichlorfon. When the sampling volume of surface water, groundwater and seawater is 1 L and the constant volume is 1.0 ml, the method detection limit of 28 organophosphorus pesticides is 0.3 μg/L ~ 0.6 μg/L, and the lower determination limit is 1.2 μg/L ~ 2.4 μg/L; when the sampling volume of domestic sewage and industrial wastewater is 100 ml and the constant volume is 1.0 ml, the method detection limit of 28 organophosphorus pesticides is 4 μg/L ~ 7 μg/L, and the lower limit of determination is 16 μg/L～28 μg/L. Please see Appendix A for details of the detection limit and lower limit of determination of the target compound in this standard.

HJ 1189-2021 Referenced Document

GB 17378.3 The specification for marine monitoring.Part3:Sample collection,storage and transportation
HJ 164 Technical Specifications for Groundwater Environmental Monitoring
HJ 442.3 Technical Specifications for Environmental Monitoring of Coastal Sea Areas Part III Water Quality Monitoring of Coastal Sea Areas
HJ 91.1 Sewage Monitoring Technical Specifications
HJ/T 91 Technical Specifications Requirements for Monitoring of Surface Water and Waste Water

2021 HJ 1189-2021 Determination of 28 Organophosphorus Pesticides in Water Quality by Gas Chromatography-Mass Spectrometry