NY/T 761.2-2004
Method for Determination of Multiple Pesticide Residues in Vegetables and Fruits - Part 2: Method for Determination of Organochlorine and Pyrethroid Pesticide Residues in Vegetables and Fruits
蔬菜和水果中有机磷、有机氯、拟除虫菊酯和氨基甲酸酯类农药多残留检测方法 第2部分 蔬菜和水果中有机氯类、拟除虫菊酯类农药多残留检测方法
Catalogue
前言 → 1 范围 → 2 原理 → 3 试剂与材料 → 4 仪器设备 → 5 测定步骤 Foreword → 1 Scope → 2 Principle → 3 Reagents and Materials → 4 Instruments and Equipment → 5 Determination Procedure
Scope
This part specifies the gas chromatographic method for the determination of 22 organochlorine and pyrethroid pesticide residues including α-666, β-666, δ-666, o,p'-DDE, p,p'-DDE, o,p'-DDD, p,p'-DDD, o,p'-DDT, p,p'-DDT, iprodione, pentachloronitrobenzene, lindane, vinclozolin, dicofol, lambda-cyhalothrin, permethrin, fenvalerate, deltamethrin in vegetables and fruits. This part is applicable to the determination of the above 22 pesticide residues in vegetables and fruits.
本部分规定了蔬菜和水果中 α-666, β-666, δ-666, o,p'-DDE, p,p'-DDE, o,p'-DDD, p,p'-DDD, o,p'-DDT, p,p'-DDT, 异菌脲, 五氯硝基苯, 林丹, 乙烯菌核利, 三氯杀螨醇, 三氟氯氰菊酯, 氯菊酯, 氰戊菊酯, 溴氰菊酯等22种有机氯类、拟除虫菊酯类农药多残留气相色谱检测方法。本部分适用于蔬菜和水果中上述22种农药残留量的检测。
Keywords
Application Summary AI generated
This standard is primarily used by agricultural testing laboratories, food safety regulatory agencies, and fruit and vegetable producers. They apply it to detect residues of 22 organochlorine and pyrethroid pesticides in produce, ensuring compliance with safety regulations. Its importance lies in providing a unified and reliable testing method that helps safeguard food safety and consumer health.
这个标准主要被农业检测实验室、食品安全监管机构和果蔬生产加工企业使用。他们用它来检测蔬菜和水果中22种有机氯和拟除虫菊酯类农药的残留量，确保农产品符合安全标准。该标准的重要性在于它提供了一套统一、可靠的检测方法，有助于保障食品安全和消费者健康。
AI Summary AI generated
NY/T 761.2-2004 is a standard for the multi-residue determination of organochlorine and pyrethroid pesticides in vegetables and fruits. It specifies a gas chromatographic method for 22 pesticides including isomers of HCH, DDT and its metabolites, iprodione, etc. Samples are extracted with acetonitrile, cleaned up by solid-phase extraction, and injected into a dual-column GC system with electron capture detection. Quantification is performed using external standards. This standard is applicable to the detection of these pesticide residues in vegetables and fruits, providing a reliable technical basis for food safety monitoring.
NY/T 761.2-2004是蔬菜和水果中有机氯和拟除虫菊酯类农药多残留检测方法的标准。它规定了22种农药（如六六六异构体、滴滴涕及其代谢物、异菌脲等）的气相色谱检测方法。样品用乙腈提取，经固相萃取净化，用双塔自动进样器注入气相色谱仪，通过双毛细管柱分离和电子捕获检测器检测，外标法定量。该标准适用于蔬菜和水果中这些农药残留的检测，为食品安全监控提供了可靠的技术依据。
Key Sentences extracted from text
本部分规定了蔬菜和水果中α-666, β-666, δ-666, o,p'-DDE, p,p'-DDE, o,p'-DDD, p,p'-DDD, o,p'-DDT, p,p'-DDT, 异菌脲, 五氯硝基苯, 林丹, 乙烯菌核利, 三氯杀螨醇, 三氟氯氰菊酯, 氯菊酯, 氰戊菊酯, 溴氰菊酯等22种有机氯类、拟除虫菊酯类农药多残留气相色谱检测方法。
本部分适用于蔬菜和水果中上述22种农药残留量的检测。
样品中有机氯类、拟除虫菊酯类农药用乙腈提取, 提取液采用固相萃取技术分离、净化、浓缩后, 用双塔自动进样器同时将样品注入气相色谱的两个进样口, 组分经不同极性的两根毛细管柱分离, 电子捕获检测器(ECD)检测。
外标法定性、定量。
方法所用试剂, 凡未指明规格者, 均为分析纯; 水为蒸馏水。
This part specifies the gas chromatographic method for the determination of 22 organochlorine and pyrethroid pesticide residues including α-666, β-666, δ-666, o,p'-DDE, p,p'-DDE, o,p'-DDD, p,p'-DDD, o,p'-DDT, p,p'-DDT, iprodione, pentachloronitrobenzene, lindane, vinclozolin, dicofol, lambda-cyhalothrin, permethrin, fenvalerate, deltamethrin in vegetables and fruits.
This part is applicable to the determination of the above 22 pesticide residues in vegetables and fruits.
Organochlorine and pyrethroid pesticides in the sample are extracted with acetonitrile, the extract is separated, purified and concentrated by solid phase extraction technology, then the sample is simultaneously injected into two injection ports of the gas chromatograph using a dual-tower autosampler, the components are separated by two capillary columns of different polarity, and detected by an electron capture detector (ECD).
Qualitative and quantitative analysis is performed by external standard method.
All reagents used in the method, unless otherwise specified, are of analytical grade; water is distilled water.