標準編號:	GB/T 5750.10-2023
中文名稱:	生活飲用水標準檢驗方法 第10部分：消毒副產(chǎn)物指標
英文名稱:	Standard examination methods for drinking water—Part 10: Disinfection by-products indices
中標分類:	C51    環(huán)境衛(wèi)生
行業(yè)分類:	GB    國家標準
ICS分類:	13.060 13.060     13.060
發(fā)布機構(gòu):	國家市場監(jiān)督管理總局 國家標準化管理委員會
發(fā)布日期:	2023-03-17
實施日期:	2023-10-1
標準狀態(tài):	valid
替代舊標準:	GB/T 5750.10-2006 生活飲用水標準檢驗方法 消毒副產(chǎn)物指標
翻譯語言:	英文
文件格式:	PDF
中文字符數(shù):	55000 字
翻譯價格(元):	5500.0
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/T1.1-202 "Standardization Work Guidelines Part 1 Structure and Drafting Rules for Standardization Documents". This document is part 10 of GB/T 5750 "Standard Test Methods for Drinking Water". GB/T 5750 has been published in 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: Microbial indicators. Part 13: Radioactive indicators. This document replaces GB/T 5750.10-2006 "Standard Test Methods for Drinking Water Disinfection Byproduct Indicators" and GB/T 5750.10-2006, 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 six test methods (see 13,2, 14.2, 15.3, 23.1, 23.2, 23.3). c) deleted methylene chloride and test methods (see 5.1 of the 2006 version. Please note that some of the contents of this document may relate to patents. The issuing authority of this document does not assume responsibility for identifying patents This document is 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 trichloromethane, trimethane, dichloromethane, monochlorodiammomethane, diammomethane, chloromethane, cyanogen chloride, formaldehyde, acetaldehyde, trichloroacetaldehyde, monochloroacetic acid, dichloroacetic acid, trichloroacetic acid, monoacetic acid, diacetic acid, 2,4,6-trichlorophenol. Chlorite, chlorate, oxalate, nitrosodimethylamine and trichloromethane in water (capillary column gas chromatography), formaldehyde, acetaldehyde, trichloroacetaldehyde (headspace gas chromatography), monochloroacetic acid (liquid-liquid extraction derivatization gas chromatography), dichloroacetic acid (liquid-liquid extraction derivatization gas chromatography), trichloroacetic acid (liquid-liquid extraction derivatization gas chromatography), 2,4,6-trichlorophenol (derivatization gas chromatography) ) chlorite (ion chromatography), chlorate (ion chromatography), oxalate (ion chromatography a hydroxide system eluate, ion chromatography a carbonate system eluate), nitrosodimethylamine (solid phase extraction gas chromatography mass spectrometry) determination method. This document applies to the determination of indicators of disinfection by-products in drinking water and (or) water sources 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 list) 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 5750.4-2023 standard test methods for drinking water Part 4: Sensory properties and physical indicators GB/T 5750.5-2023 standard test methods for drinking water Part 5: inorganic non-metallic indicators Part 8: organic indicators GB/T 5750.8-2023 standard test methods for drinking water GB / T 6682 analytical laboratory water specifications and test methods 3 Terms and definitions GB / T 5750.1 and GB / T 5750.3 defined terms and definitions apply to this document 4 Trichloromethane 4.1 Capillary column gas chromatography 5 Trimethoprim 5.1 Purge-trap gas chromatography-mass spectrometry By GB/T 5750.8-2023 in 4.2 described in the method of headspace capillary column gas chromatography 5.2 Determination by GB/T 5750.8-2023 in the method described in 4.3 6 Dichloromethane 6.1 purge trap gas chromatography mass spectrometry Determination by GB/T 5750.8-2023 in the method described in 4.2 6.2 Headspace capillary column gas chromatography According to GB/T 5750.8 a 2023 in the 4.3 description of the method of determination 7 Monochlorodioxin 7.1 Purge-trap gas chromatography-mass spectrometry According to GB/T 5750.8-2023 in the 4.2 description of the method of determination 7.2 Headspace capillary column gas chromatography According to GB/T 5750.8-2023 in the 4.3 described method to determine 8 Di-O-methane Blow-by-trap gas chromatography-mass spectrometry: determined by the method described in GB/T 5750.8-2023 4.2 9Chloromethane Blow-by-trap gas chromatography-mass spectrometry: determined by the method described in 4.2 of GB/T 5750.8-2023 10 Cyanuric chloride 10.1 Isonicotinic acid barbiturate spectrophotometric method 10.1.1 Minimum detectable mass concentration The minimum detectable mass of this method is 0.0 g. If a 10.0 mL water sample is taken, the minimum detectable mass concentration is 001 mg/L. This method is only used for the determination of cyanogen chloride in drinking water (disinfected with chlorinated disinfectants). 10.1.2 Principle Cyanuric chloride in water reacts with isonicotinic acid-barbituric acid reagent to produce a blue-purple compound, which is quantified colorimetrically at 600 nm. 11 Formaldehyde 11.14-amino-3-hydrazin-5-thio-1,24-trichloromethane (AHMT) spectrophotometric method 11.1.1 The minimum detection mass concentration of this method is 0.25g, if 5.0m water sample is taken for determination, the minimum detection mass concentration is 0.05mg/L. AHMT spectrophotometric method is highly selective, other aldehydes, such as acetaldehyde, propionaldehyde, n-butyl aldehyde, acrolein and benzaldehyde, etc. do not interfere with this method. 11.1.2 Principle Formaldehyde in water and AHMT (CHNS) condensation under alkaline conditions, after the oxidation of potassium periodate into 6-yl-S-triazabromo [4.3-b]-S-tetraazabenzene purple-red compound, its color shade is proportional to the formaldehyde content. 12 Acetaldehyde 12.1 Gas chromatographic method 12.1.1 Minimum detectable mass concentration The minimum detection mass of this method is acetaldehyde 12ng and propylene 0.95ng. If 50L water samples are taken directly into the sample, the minimum detection mass concentration is: acetaldehyde 0.3mg/L and acrolein 0.02mg / L. Under the selected chromatographic conditions, formaldehyde, propionaldehyde, acetone and butyraldehyde do not interfere with the determination 12.1.2 Principle Acetaldehyde and acrolein in water can be directly separated and determined by gas chromatography with hydrogen flame ionization detector, the peak order of acrolein awake and acetaldehyde 13 Trichloroacetaldehyde 13.1 headspace gas chromatography 13.1.1 Minimum detectable mass concentration The minimum detectable mass concentration of this method is 1pg/L. 14 Monochloroacetic acid 14.1 Liquid-liquid extraction derivatization gas chromatography 14.1.1 Minimum detectable mass concentration The minimum detectable mass of this method: monochloroacetic acid (MCAA), dichloroacetic acid (DCAA) trichloroacetic acid (TCAA) are 0.062ng, 0.025ng, 0.012ng. If 25mL of water samples are taken for determination, the minimum detectable mass concentrations are: 5.0g/L, 2.0g/L.1.0pg/L. 15 Dichloroacetic acid 15.1 Liquid-liquid extraction derivative gas chromatography Determination by the method described in 14.1 15.2 Ion chromatography - conductivity detection method Determination by the method described in 14.2 15.3 High performance liquid chromatography-tandem mass spectrometry 15.3.1 Minimum detection mass concentration The minimum detectable mass concentrations of dichloroacetic acid, trichloroacetic acid, orotate, chlorate and chlorite are 8.1pg/L, 10.0ug/L, 2.5ug/L, 20.0ug/L and 19.0g/L. This method is only used for the determination of dichloroacetic acid, trichloroacetic acid, orotate, chlorate and chlorite in domestic drinking water.

Foreword Introduction 1 Scope 2 normative reference documents 3 Terms and definitions 4 Trichloromethane 5 Trimethoprim 6 Dichloromethane 7 Monochlorodioxin 8 Di-O-methane 9Chloromethane 10 Cyanuric chloride 11 Formaldehyde 12 Acetaldehyde 13 Trichloroacetaldehyde 14 Monochloroacetic acid 15 Dichloroacetic acid

前言 本文件按照GB/T1.1-202《標準化工作導(dǎo)則第1部分標準化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定起草。 本文件是GB/T 5750《生活飲用水標準檢驗方法》的第10部分。GB/T 5750已經(jīng)發(fā)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(zhì)分析質(zhì)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(nóng)藥指標; 第10部分:消毒副產(chǎn)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 5750.10-2006《生活飲用水標準檢驗方法消毒副產(chǎn)物指標》與GB/T 5750.10-2006相比，除結(jié)構(gòu)調(diào)整和編輯性改動外，主要技術(shù)變化如下: a)增加了“術(shù)語和定義”(見第3章): b)增加了6個檢驗方法(見13,2、14.2、15.3、23.1、23.2、23.3); c)刪除了二氯甲烷及檢驗方法(見2006年版的5.1。 請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構(gòu)不承擔識別專利的責(zé)任本文件由中華人民共和國國家衛(wèi)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(shù)的推薦性國家標準與GB 5749《生活飲用水衛(wèi)生標準》配套,是GB 5749的重要技術(shù)支撐,為貫徹實施GB 5749,開展生活飲用水衛(wèi)生安全性評價提供檢驗方法。 GB/T 5750由13個部分構(gòu)成。 第1部分:總則。目的在于提供水質(zhì)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(zhì)量控制的基本原則、措施和要求。 第3部分:水質(zhì)分析質(zhì)量控制。目的在于提供水質(zhì)檢驗檢測實驗室質(zhì)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(yīng)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(yīng)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(yīng)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(yīng)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(yīng)檢驗方法。 第9部分:農(nóng)藥指標。目的在于提供農(nóng)藥指標的相應(yīng)檢驗方法。 第10部分:消毒副產(chǎn)物指標。目的在于提供消毒副產(chǎn)物指標的相應(yīng)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(yīng)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(yīng)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(yīng)檢驗方法 1范圍 本文件描述了生活飲用水中三氯甲烷、三澳甲烷、二氯一澳甲烷、一氯二澳甲烷、二澳甲烷、氯澳甲烷、氯化氰、甲醛、乙醛、三氯乙醛、一氯乙酸、二氯乙酸、三氯乙酸,一澳乙酸、二澳乙酸、2,4,6-三氯酚.亞氯酸鹽、氯酸鹽、澳酸鹽、亞硝基二甲胺和水源水中三氯甲烷(毛細管柱氣相色進法)、甲醛、乙醛、三氯乙醛(頂空氣相色譜法),一氯乙酸(液液萃取衍生氣相色譜法)二氯乙酸(液液取衍生氣相色譜法)、三氯乙酸(液液萃取衍生氣相色譜法),2,4,6-三氯酚(衍生化氣相色譜法)亞氯酸鹽(離子色譜法)、氯酸鹽(離子色譜法)、澳酸鹽(離子色譜法一氫氧根系統(tǒng)淋洗液、離子色譜法一碳酸鹽系統(tǒng)淋洗液)、亞硝基二甲胺(固相萃取氣相色譜質(zhì)譜法)的測定方法。 本文件適用于生活飲用水和(或)水源水中消毒副產(chǎn)物指標的測定 2規(guī)范性引用文件 下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)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(yīng)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(zhì)分析質(zhì)量控制 GB/T 5750.4-2023生活飲用水標準檢驗方法第4部分:感官性狀和物理指標 GB/T 5750.5-2023生活飲用水標準檢驗方法第5部分:無機非金屬指標第8部分:有機物指標GB/T 5750.8-2023生活飲用水標準檢驗方法 GB/T 6682分析實驗室用水規(guī)格和試驗方法 3術(shù)語和定義 GB/T 5750.1和GB/T 5750.3界定的術(shù)語和定義適用于本文件 4三氯甲烷 4.1毛細管柱氣相色譜法 5三澳甲烷 5.1吹掃捕集氣相色譜質(zhì)譜法 按GB/T 5750.8-2023中4.2描述的方法測定頂空毛細管柱氣相色譜法 5.2按GB/T 5750.8-2023中4.3描述的方法測定 6二氯一澳甲烷 6.1吹掃捕集氣相色譜質(zhì)譜法 按GB/T 5750.8-2023中4.2描述的方法測定 6.2頂空毛細管柱氣相色譜法 按GB/T 5750.8一2023中4.3描述的方法測定 7一氯二澳甲烷 7.1吹掃捕集氣相色譜質(zhì)譜法 按GB/T 5750.8-2023中4.2描述的方法測定 7.2頂空毛細管柱氣相色譜法 按GB/T 5750.8-2023中4.3描述的方法測定 8二澳甲烷 吹掃捕集氣相色譜質(zhì)譜法:按GB/T 5750.8-2023中4.2描述的方法測定 9氯甲烷 吹掃捕集氣相色譜質(zhì)譜法:按GB/T 5750.8-2023中4.2描述的方法測定 10氯化氰 10.1異煙酸巴比妥酸分光光度法 10.1.1最低檢測質(zhì)量濃度 本方法最低檢測質(zhì)量為0.0g。若取10.0mL水樣測定，則最低檢測質(zhì)量濃度為001mg/L。本方法僅用于生活飲用水(經(jīng)含氯消毒劑消毒處理)中氯化氰的測定。 10.1.2原理 水中氯化氰與異煙酸-巴比妥酸試劑反應(yīng)生成藍紫色的化合物,于600nm波長處比色定量 11甲醛 11.14-氨基-3-聯(lián)氨-5-硫基-1,24-三氯雜茂(AHMT)分光光度法 11.1.1最低檢測質(zhì)量濃度本方法最低檢測質(zhì)量為0.25g，若取5.0m水樣測定，則最低檢測質(zhì)量濃度為0.05mg/L。AHMT分光光度法選擇性高,其他醛類，如乙醛、丙醛、正丁醛、丙烯醛及苯甲醛等對本方法無干擾。 11.1.2原理 水中甲醛與AHMT(CHNS)在堿性條件下縮合后,經(jīng)高碘酸鉀氧化成6-基-S-三氮雜茂[4.3-b]-S-四氮雜苯紫紅色化合物，其顏色深淺與甲醛含量成正比。 12乙醛 12.1氣相色譜法 12.1.1最低檢測質(zhì)量濃度 本方法最低檢測質(zhì)量為乙醛12ng和丙烯0.95ng。若取50L水樣直接進樣,則最低檢測質(zhì)量濃度為:乙醛0.3mg/L和丙烯醛0.02mg/L。 在選定的色譜條件下，甲醛、丙醛、丙酮和丁醛等均不干擾測定 12.1.2原理 水中乙醛、丙烯醛可以直接用帶有氫火焰離子化檢測器的氣相色譜儀分離測定，出峰順序為丙烯醒和乙醛 13三氯乙醛 13.1頂空氣相色譜法 13.1.1最低檢測質(zhì)量濃度 本方法最低檢測質(zhì)量濃度為1pg/L。 14一氯乙酸 14.1液液萃取衍生氣相色譜法 14.1.1最低檢測質(zhì)量濃度 本方法最低檢測質(zhì)量:一氯乙酸(MCAA)、二氯乙酸(DCAA)三氯乙酸(TCAA)分別為0.062ng、0.025ng,0.012ng。若取水樣25mL水樣測定，則最低檢測質(zhì)量濃度分別為:5.0g/L,2.0g/L.1.0pg/L。 15二氯乙酸 15.1液液萃取衍生氣相色譜法 按14.1描述的方法測定 15.2離子色譜-電導(dǎo)檢測法 按14.2描述的方法測定 15.3高效液相色譜串聯(lián)質(zhì)譜法 15.3.1最低檢測質(zhì)量濃度 進樣量為25l.時，二氯乙酸、三氯乙酸、澳酸鹽、氯酸鹽和亞氯酸鹽的最低檢測質(zhì)量濃度為8.1pg/L、10.0ug/L、2.5ug/L、20.0ug/L和19.0g/L。本方法僅用于生活飲用水中二氯乙酸、三氯乙酸、酸鹽、氯酸鹽和亞氯酸鹽的測定