標準編號:	GB/T 5750.9-2023
中文名稱:	生活飲用水標準檢驗方法 第9部分：農藥指標
英文名稱:	Standard examination methods for drinking water—Part 9: Pesticides indices
中標分類:	C51    環境衛生
行業分類:	GB    國家標準
ICS分類:	13.060 13.060     13.060
發布機構:	國家市場監督管理總局 國家標準化管理委員會
發布日期:	2023-03-17
實施日期:	2023-10-1
標準狀態:	valid
替代舊標準:	GB/T 5750.9-2006 生活飲用水標準檢驗方法 農藥指標
翻譯語言:	英文
文件格式:	PDF
中文字符數:	65000 字
翻譯價格(元):	5800.0
交付時間:	付款后 1~5 個工作日

Foreword This document is drafted in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1 Structure and starting rules for standardized documents This document is GB/T 5750 "Standard Test Methods for Drinking Water" Part 9. GB/T 5750 has issued the following parts Part 1: General Provisions. Part 2: the collection and preservation of water samples Part 3: Quality control of water quality analysis. Part 4: sensory properties and physical indicators Part 5: inorganic non-metallic indicators. Part 6: metal and metal-like indicators Part 7: organic composite indicators. Part 8: organic indicators. Part 9: Pesticide indicators. Part 10: Disinfection by-product indicators. Part 11: Disinfectant indicators. Part 12: Microbiological indicators. Part 13: Radioactive indicators This document replaces GB/T 5750.9-2006 "Standard Test Methods for Drinking Water Pesticide Indicators" compared with GB/T 5750.9-2006, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) increased the "terms and definitions" (see Chapter 3). b) the addition of nine test methods (see 8,3,12,2,13,4,14,2,21,2,25.1,36,1,36.2,41.1); c) the deletion of five test methods (see the 2006 version of 1.14.19.111.111.2). Please note that some of the contents of this document may involve patents. The issuing agency of this document does not assume responsibility for identifying patents This document was proposed and attributed by the National Health and Wellness Commission of the People's Republic of China. Introduction GB/T 5750 "Standard Test Methods for Drinking Water" as the recommended national standard for drinking water testing technology and GB 5749 "Drinking Water Sanitation Standards" supporting the important technical support of GB 5749, for the implementation of GB 5749, to carry out health and safety assessment of drinking water to provide test methods. GB / T 5750 consists of 13 parts. Part 1: General Provisions. The purpose is to provide the basic principles and requirements of water quality testing. Part 2: the collection and preservation of water samples. The purpose is to provide water samples collected, preservation, management, transport and sampling quality control of the basic principles, measures and requirements. Part 3: quality control of water quality analysis. The purpose is to provide water quality inspection and testing laboratory quality control requirements and methods Part 4: Sensory traits and physical indicators. The purpose is to provide sensory traits and physical indicators of the corresponding test methods Part 5: inorganic non-metallic indicators. The purpose is to provide inorganic non-metallic indicators of the corresponding test methods Part 6: Metals and metal-like indicators. The purpose is to provide metal and metal-like indicators of the corresponding test methods Part 7: Organic composite indicators. The purpose is to provide a comprehensive index of organic substances corresponding test methods Part 8: organic indicators. The purpose is to provide the corresponding test methods for organic indicators. Part 9: Pesticide indicators. The purpose is to provide the corresponding test methods for pesticide indicators. Part 10: Disinfection by-products indicators. The purpose is to provide the corresponding test methods for disinfection by-product indicators Part 11: Disinfectant indicators. The purpose is to provide the corresponding test methods for disinfectant indicators Part 12: Microbiological indicators. The purpose is to provide the corresponding test methods for microbial indicators Part 13: radioactive indicators. The purpose is to provide the corresponding test methods for radioactive indicators 1 Scope This document describes the domestic drinking water in DDT, six-six-six, lindane, parathion, methyl parathion, endosulfan, malathion, leuconazole, chlorothalonil, acephate, acephate vinegar, methomyl, 2,4-dichlorodiphenyl, coagulantan, poisonous cicada, coupons gozin, oxaliplatin, heptachlor, hexachlorobenzene, pentachlorophenol, fluorobenzoic vein, fluorfen dolphin, deltamethrin vein, fluorin yard vein, fluorobellic vein, chlorpyrifos vein, fluoropropoxy vein Diquat, chlorfenvinphos-methyl coolamide, liguron, metolachlor, chlorfenvinphos-methyl, methomyl cool, cyhalothrin vinegar, cyhalothrin, chlorfenvinphos-methyl, ethephon in water sources and the determination of DDT (capillary column gas chromatography), hexachlorobenzene, lindane (capillary column gas chromatography), parathion (capillary column gas chromatography), methyl parathion (capillary column gas chromatography), endosulfan, malathion ( capillary column gas chromatography), Ralston (capillary column gas chromatography), methomyl (high-pressure liquid chromatography-UV detector, spectrophotometry, high-pressure liquid chromatography-fluorescence detector), methomyl (liquid-liquid extraction gas chromatography), 24-drop (liquid-liquid extraction gas chromatography) diquat (capillary column gas chromatography) Dan (high performance liquid chromatography) poisonous death (liquid-liquid extraction gas chromatography), hidrozine (high performance liquid chromatography), Gan (high performance liquid chromatography) chlorine (liquid-liquid extraction gas chromatography) pentachlorophenol (derivatization gas chromatography, headspace solid-phase microtake gas chromatography) determination method This document applies to the determination of pesticide indicators in drinking water and (or) water source water 2 Normative reference documents The following documents constitute the essential provisions of this document through the normative references in the text. Among them, note the date of the reference document, only the date of the corresponding version applies to this document; do not note the date of the reference document, its latest version (including all the revision of the single) applies to this document. GB/T 5750.1 Standard test methods for drinking water Part 1: General Provisions GB/T 5750.3 Standard test methods for drinking water Part 3: Quality control of water quality analysis GB/T 5750.8-2023 Standard test methods for drinking water Part 8: organic matter indicators GB/T 5750.10-2023 Standard test methods for drinking water part 10: disinfection by-products indicators GB/ T6682 Analytical laboratory water specifications and test methods 3 Terms and definitions GB/T 5750.1GB/T 5750.3 defined terms and definitions apply to this document 4 DDT 4.1 Capillary column gas chromatography 4.1.1 Minimum detection mass concentration 5 solid-phase extraction gas chromatography-mass spectrometry Determination by the method described in GB/T 5750.8-2023 15.1 6Luxin Capillary column gas chromatography:Determination according to the method described in 4.1 6 Lindane Capillary column gas chromatography 6.1 Determination by the method described in 4.1 6.2 Solid phase extraction gas chromatography mass spectrometry Determination by the method described in 15.1 of GB/T 5750.8-2023 7 Parathion Capillary column gas chromatography 7.1 7.1.1 Minimum detectable mass concentration The minimum detectable mass of this method are: dichlorvos, 0.012ng; methomyl, 0.025ng; endosulfan, 0.025ng; leuconazole 0.025ng; methyl parathion, 0.025ng; malathion, 0,025ng; parathion, 0.025ng. If 250mL of water sample is taken after extraction, the minimum detectable mass concentrations are: dichlorvos. 0.05g/L; methomyl, 0.1g/L; endosulfan, 0.1g/L; leuconazole, 0.1g/L; methyl parathion, 0.1ug/L; malathion, 0.1ug/L; parathion, 0.1g/L. 7.1.2 Principle Trace organic phosphorus in water by dichloromethane extraction, concentration, quantitative injection into the chromatograph, each organic phosphorus in the column one by one separation, in turn in the flame photometric detector hydrogen-rich flame combustion, the emission of 526n wavelength of the characteristic light. The intensity of light is proportional to the amount of phosphorus contained, and this characteristic light is passed through a filter and detected by a photomultiplier tube for quantitative analysis. 8 Methyl parathion 8.1 Capillary column gas chromatography Determination by the method described in 7.1 8.2 solid-phase extraction gas chromatography-mass spectrometry Determination by GB/T 5750.8-2023 in the method described in 15.1 8.3 Liquid chromatography tandem mass spectrometry 8.3.1 Minimum detection mass concentration The minimum detectable masses of this method are as follows: nortriptyline, 0.002 ng; mantan, 0.003 ng; methyl parathion, 0.004 ng. When 20 l. water samples are directly injected for determination, the minimum detectable mass concentrations are as follows: nortriptyline, 0.10 g/L; mantan, 0.15 g/L; methyl parathion 0.20ug/L. The common coexisting ions and compounds in the water do not interfere with the determination of the 3 compounds This method is only used for the determination of domestic drinking water 8.3.2 Principle The water sample is filtered through a needle-type microporous membrane and fed directly into the sample, and detected by liquid chromatography tandem mass spectrometry with multiple reaction monitoring (MKM) method for the determination of 3 pesticides in domestic drinking water, namely aldicarb, atrazine and methyl parathion, and quantified by external standard method. 9 Internal absorption of phosphorus Capillary column gas chromatography: according to the method described in 7.1 to determine 10 Malathion 10.1 Capillary column gas chromatography Determination by the method described in 7.1 10.2 Solid phase extraction gas chromatography mass spectrometry Determination by the method described in 15.1 of GB/T 5750.8-2023 11 Loctite 11.1 Capillary column gas chromatography Determination according to the method described in 7.1 11.2 solid phase extraction gas chromatography mass spectrometry Determination by the method described in 15.1 of GB/T 5750.8-2023 12 Chlorothalonil 12.1 Solid-phase extraction gas chromatography-mass spectrometry Determination by the method described in GB/T 5750.8-2023 15.1 12.2 Capillary column gas chromatography 12.2.1 Minimum detection mass concentration The minimum detection mass of this method is 0.006ng, if 500L water samples are taken after treatment, the minimum detection mass concentration is 0.12ug / L. This method is only used for the determination of domestic drinking water. 13 methamphetamine 13.1 high performance liquid chromatography a - UV detector 13.1.1 Minimum detection mass concentration The minimum detection mass of this method is 2ng, if the 100mL water sample is taken to determine the minimum detection mass concentration of 0.01mg/L.,, 14 Ao cyanothrin vinegar 14.1 Solid phase extraction gas chromatography mass spectrometry Determination according to the method described in 15.1 of GB/T 5750.8-2023 15 Methoprene 15.1 Liquid-liquid extraction gas chromatography 15.1.1 Minimum detectable mass concentration The minimum detectable masses of this method are: methoprene, 0.1ng; 2,4-drops, 0.03ng. If a water sample of 00mL is taken after treatment, the minimum detectable mass concentrations are: methoprene, 0.5ug/L; 2,4-drops, .15ug/L.

Foreword Introduction 1 Scope 2 Normative reference documents 3 Terms and definitions 4 DDT 5 solid-phase extraction gas chromatography-mass spectrometry 6Luxin 6 Lindane 7 Parathion 8 Methyl parathion 9 Internal absorption of phosphorus 10 Malathion 11 Loctite 12 Chlorothalonil 13 methamphetamine 14 Ao cyanothrin vinegar 15 Methoprene

前言 本文件按照GB/T 1.1-2020《標準化工作導則 第1部分標準化文件的結構和起規則》的規定起草 本文件是GB/T 5750《生活飲用水標準檢驗方法》的第9部分。GB/T 5750已經發布了以下部分第1部分:總則; 第2部分:水樣的采集與保存 第3部分:水質分析質量控制; 第4部分:感官性狀和物理指標 第5部分:無機非金屬指標; 第6部分:金屬和類金屬指標 第7部分:有機物綜合指標; 第8部分:有機物指標: 第9部分:農藥指標; 第10部分:消毒副產物指標; 第11部分:消毒劑指標; 第12部分:微生物指標; 第13部分:放射性指標 本文件代替GB/T 5750.9-2006《生活飲用水標準檢驗方法農藥指標》與GB/T 5750.9-2006相比,除結構調整和編輯性改動外，主要技術變化如下: a)增加了“術語和定義”(見第3章): b)增加了9個檢驗方法(見8,3,12,2,13,4,14,2、21,2、25.1,36,1,36.2、41.1);c)刪除了5個檢驗方法(見2006年版的1.14.19.111.111.2)。 請注意本文件的某些內容可能涉及專利。本文件的發布機構不承擔識別專利的責任本文件由中華人民共和國國家衛生健康委員會提出并歸口。 引言 GB/T 5750《生活飲用水標準檢驗方法》作為生活飲用水檢驗技術的推薦性國家標準與GB 5749《生活飲用水衛生標準》配套,是GB 5749的重要技術支撐,為貫徹實施GB 5749,開展生活飲用水衛生安全性評價提供檢驗方法。 GB/T 5750由13個部分構成。 第1部分:總則。目的在于提供水質檢驗的基本原則和要求。 第2部分:水樣的采集與保存。目的在于提供水樣采集、保存、管理、運輸和采樣質量控制的基本原則、措施和要求。 第3部分:水質分析質量控制。目的在于提供水質檢驗檢測實驗室質量控制要求與方法 第4部分:感官性狀和物理指標。目的在于提供感官性狀和物理指標的相應檢驗方法 第5部分:無機非金屬指標。目的在于提供無機非金屬指標的相應檢驗方法 第6部分:金屬和類金屬指標。目的在于提供金屬和類金屬指標的相應檢驗方法 第7部分:有機物綜合指標。目的在于提供有機物綜合指標的相應檢驗方法 第8部分:有機物指標。目的在于提供有機物指標的相應檢驗方法。 第9部分:農藥指標。目的在于提供農藥指標的相應檢驗方法。 第10部分:消毒副產物指標。目的在于提供消毒副產物指標的相應檢驗方法 第11部分:消毒劑指標。目的在于提供消毒劑指標的相應檢驗方法 第12部分:微生物指標。目的在于提供微生物指標的相應檢驗方法 第13部分:放射性指標。目的在于提供放射性指標的相應檢驗方法 1范圍 本文件描述了生活飲用水中滴滴涕、六六六、林丹、對硫磷、甲基對硫磷、內吸磷、馬拉硫磷、樂果、百菌清、甲茶威、澳氰菊醋、滅草松、2,4-滴、敵敵畏、哄喃丹、毒死蟬、券去津、草甘騰、七氯、六氯苯、五氯酚、氟苯脈、氟蟲豚、除蟲脈、氟院脈、氟鈴脈、殺鈴脈、氟丙氧脈、敵草隆、氯蟲苯甲酷胺、利谷隆、甲氧隆、氯硝柳胺、甲氰菊酷、氯氟氰菊醋、氰戊菊、氯菊酷、乙草胺的測定方法和水源水中滴滴涕(毛細管柱氣相色譜法)、六六六、林丹(毛細管柱氣相色譜法)、對硫磷(毛細管柱氣相色譜法)、甲基對硫磷(毛細管柱氣相色譜法)、內吸磷、馬拉硫磷(毛細管柱氣相色譜法)、樂果(毛細管柱氣相色譜法)、甲茶威(高壓液相色譜法-紫外檢測器、分光光度法、高壓液相色譜法-熒光檢測器)、滅草松(液液取氣相色譜法)、24-滴(液液取氣相色譜法)敵敵(毛細管氣相色譜法)丹(高效液相色譜法)毒死(液液取氣相色譜法)、秀去津(高效液相色譜法)、甘牌(高效液相色譜法)氯(液液取氣相色譜法)五氯酚(衍生化氣相色譜法、頂空固相微取氣相色譜法)的測定方法 本文件適用于生活飲用水和(或)水源水中農藥指標的測定 2規范性引用文件 下列文件中的內容通過文中的規范性引用而構成本文件必不可少的條款。其中,注日期的引用文件,僅該日期對應的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用于本文件。 GB/T 5750.1生活飲用水標準檢驗方法第1部分:總則 GB/T 5750.3生活飲用水標準檢驗方法第3部分:水質分析質量控制 GB/T 5750.8-2023生活飲用水標準檢驗方法第8部分:有機物指標 GB/T 5750.10-2023生活飲用水標準檢驗方法第10部分:消毒副產物指標 GB/T6682分析實驗室用水規格和試驗方法 3術語和定義 GB/T 5750.1GB/T 5750.3界定的術語和定義適用于本文件 4滴滴涕 4.1毛細管柱氣相色譜法 4.1.1最低檢測質量濃度 5固相萃取氣相色譜質譜法 按GB/T 5750.8-2023中15.1描述的方法測定 6六六六 毛細管柱氣相色譜法:按4.1描述的方法測定 6林丹 毛細管柱氣相色譜法6.1 按4.1描述的方法測定 6.2固相萃取氣相色譜質譜法 按GB/T 5750.8-2023中15.1描述的方法測定 7對硫磷 毛細管柱氣相色譜法7.1 7.1.1最低檢測質量濃度 本方法最低檢測質量分別為:敵敵畏,0.012ng;甲拌磷,0.025ng;內吸磷,0.025ng;樂果0.025ng;甲基對硫磷,0.025ng;馬拉硫磷,0,025ng;對硫磷,0.025ng。若取250mL水樣萃取后測定則最低檢測質量濃度分別為:敵敵畏,0.05g/L;甲拌磷,0.1g/L;內吸磷,0.1g/L;樂果,0.1g/L;甲基對硫磷,0.1ug/L;馬拉硫磷,0.1ug/L;對硫磷,0.1g/L。 7.1.2原理 水中微量有機磷經二氯甲烷萃取、濃縮,定量注入色譜儀,各有機磷在色譜柱上逐一分離，依次在火焰光度檢測器富氫火焰中燃燒,發射出526n波長的特征光。光強度與含磷量成正比，此特征光通過濾光片,由光電倍增管檢測進行定量分析。 8甲基對硫磷 8.1毛細管柱氣相色譜法 按7.1描述的方法測定 8.2固相萃取氣相色譜質譜法 按GB/T 5750.8-2023中15.1描述的方法測定 8.3液相色譜串聯質譜法 8.3.1最低檢測質量濃度 本方法最低檢測質量分別為:去津,0.002ng;味喃丹,0.003ng;甲基對硫磷,0.004ng。取20l.水樣直接進樣測定時,最低檢測質量濃度分別為:秀去津,0.10g/L;喃丹,0.15g/L;甲基對硫磷0.20ug/L。 水中常見共存離子及化合物均不干擾該3種化合物的測定 本方法僅用于生活飲用水的測定 8.3.2原理 水樣經針式微孔濾膜過濾后直接進樣，以液相色譜串聯質譜的多反應監測(MKM)方式檢測生活飲用水中味喃丹、萎去津和甲基對硫磷3種農藥，外標法定量。 9內吸磷 毛細管柱氣相色譜法:按7.1描述的方法測定 10馬拉硫磷 10.1毛細管柱氣相色譜法 按7.1描述的方法測定 10.2固相萃取氣相色譜質譜法 按GB/T 5750.8-2023中15.1描述的方法測定 11樂果 11.1毛細管柱氣相色譜法 按7.1描述的方法測定 11.2固相萃取氣相色譜質譜法 按GB/T 5750.8-2023中15.1描述的方法測定 12百菌清 12.1固相萃取氣相色譜質譜法 按GB/T 5750.8-2023中15.1描述的方法測定 12.2毛細管柱氣相色譜法 12.2.1最低檢測質量濃度 本方法最低檢測質量為0.006ng，若取500L水樣經過處理后測定則最低檢測質量濃度為0.12ug/L。 本方法僅用于生活飲用水的測定。 13甲威 13.1高效液相色譜法一-紫外檢測器 13.1.1最低檢測質量濃度 本方法最低檢測質量為2ng,若取100mL水樣測定則最低檢測質量濃度為0.01mg/L。、 14澳氰菊醋 14.1固相萃取氣相色譜質譜法 按GB/T 5750.8-2023中15.1描述的方法測定 15滅草松 15.1液液萃取氣相色譜法 15.1.1最低檢測質量濃度 本方法最低檢測質量分別為:滅草松,0.1ng;2,4-滴,0.03ng。若取水樣00mL經處理后測定，則最低檢測質量濃度分別為:滅草松,0.5ug/L;2,4-滴,.15ug/L。