标准编号:	GB/T 5750.10-2023
中文名称:	生活饮用水标准检验方法 第10部分：消毒副产物指标
英文名称:	Standard examination methods for drinking water—Part 10: Disinfection by-products indices
中标分类:	C51    环境卫生
行业分类:	GB    国家标准
ICS分类:	13.060 13.060     13.060
发布机构:	国家市场监督管理总局 国家标准化管理委员会
发布日期:	2023-03-17
实施日期:	2023-10-1
标准状态:	valid
替代旧标准:	GB/T 5750.10-2006 生活饮用水标准检验方法 消毒副产物指标
翻译语言:	英文
文件格式:	PDF
中文字符数:	55000 字
翻译价格(元):	5500.0
交付时间:	付款后 1~5 个工作日

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《标准化工作导则第1部分标准化文件的结构和起草规则》的规定起草。 本文件是GB/T 5750《生活饮用水标准检验方法》的第10部分。GB/T 5750已经发布了以下部分: 第1部分:总则; 第2部分:水样的采集与保存; 第3部分:水质分析质量控制; 第4部分:感官性状和物理指标; 第5部分:无机非金属指标; 第6部分:金属和类金属指标; 第7部分:有机物综合指标; 第8部分有机物指标: 第9部分:农药指标; 第10部分:消毒副产物指标: 第11部分:消毒剂指标; 第12部分:微生物指标: 第13部分:放射性指标。 本文件代替GB/T 5750.10-2006《生活饮用水标准检验方法消毒副产物指标》与GB/T 5750.10-2006相比，除结构调整和编辑性改动外，主要技术变化如下: a)增加了“术语和定义”(见第3章): b)增加了6个检验方法(见13,2、14.2、15.3、23.1、23.2、23.3); c)删除了二氯甲烷及检验方法(见2006年版的5.1。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任本文件由中华人民共和国国家卫生健康委员会提出并归口。 引言 GB/T 5750《生活饮用水标准检验方法》作为生活饮用水检验技术的推荐性国家标准与GB 5749《生活饮用水卫生标准》配套,是GB 5749的重要技术支撑,为贯彻实施GB 5749,开展生活饮用水卫生安全性评价提供检验方法。 GB/T 5750由13个部分构成。 第1部分:总则。目的在于提供水质检验的基本原则和要求。 第2部分:水样的采集与保存。目的在于提供水样采集、保存、管理、运输和采样质量控制的基本原则、措施和要求。 第3部分:水质分析质量控制。目的在于提供水质检验检测实验室质量控制要求与方法 第4部分:感官性状和物理指标。目的在于提供感官性状和物理指标的相应检验方法 第5部分:无机非金属指标。目的在于提供无机非金属指标的相应检验方法 第6部分:金属和类金属指标。目的在于提供金属和类金属指标的相应检验方法 第7部分:有机物综合指标。目的在于提供有机物综合指标的相应检验方法 第8部分:有机物指标。目的在于提供有机物指标的相应检验方法。 第9部分:农药指标。目的在于提供农药指标的相应检验方法。 第10部分:消毒副产物指标。目的在于提供消毒副产物指标的相应检验方法 第11部分:消毒剂指标。目的在于提供消毒剂指标的相应检验方法 第12部分:微生物指标。目的在于提供微生物指标的相应检验方法 第13部分:放射性指标。目的在于提供放射性指标的相应检验方法 1范围 本文件描述了生活饮用水中三氯甲烷、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.亚氯酸盐、氯酸盐、澳酸盐、亚硝基二甲胺和水源水中三氯甲烷(毛细管柱气相色进法)、甲醛、乙醛、三氯乙醛(顶空气相色谱法),一氯乙酸(液液萃取衍生气相色谱法)二氯乙酸(液液取衍生气相色谱法)、三氯乙酸(液液萃取衍生气相色谱法),2,4,6-三氯酚(衍生化气相色谱法)亚氯酸盐(离子色谱法)、氯酸盐(离子色谱法)、澳酸盐(离子色谱法一氢氧根系统淋洗液、离子色谱法一碳酸盐系统淋洗液)、亚硝基二甲胺(固相萃取气相色谱质谱法)的测定方法。 本文件适用于生活饮用水和(或)水源水中消毒副产物指标的测定 2规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文件,仅该日期对应的版本适用于本文件;不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。 GB/T 5750.1生活饮用水标准检验方法第1部分:总则 GB/T 5750.3生活饮用水标准检验方法第3部分:水质分析质量控制 GB/T 5750.4-2023生活饮用水标准检验方法第4部分:感官性状和物理指标 GB/T 5750.5-2023生活饮用水标准检验方法第5部分:无机非金属指标第8部分:有机物指标GB/T 5750.8-2023生活饮用水标准检验方法 GB/T 6682分析实验室用水规格和试验方法 3术语和定义 GB/T 5750.1和GB/T 5750.3界定的术语和定义适用于本文件 4三氯甲烷 4.1毛细管柱气相色谱法 5三澳甲烷 5.1吹扫捕集气相色谱质谱法 按GB/T 5750.8-2023中4.2描述的方法测定顶空毛细管柱气相色谱法 5.2按GB/T 5750.8-2023中4.3描述的方法测定 6二氯一澳甲烷 6.1吹扫捕集气相色谱质谱法 按GB/T 5750.8-2023中4.2描述的方法测定 6.2顶空毛细管柱气相色谱法 按GB/T 5750.8一2023中4.3描述的方法测定 7一氯二澳甲烷 7.1吹扫捕集气相色谱质谱法 按GB/T 5750.8-2023中4.2描述的方法测定 7.2顶空毛细管柱气相色谱法 按GB/T 5750.8-2023中4.3描述的方法测定 8二澳甲烷 吹扫捕集气相色谱质谱法:按GB/T 5750.8-2023中4.2描述的方法测定 9氯甲烷 吹扫捕集气相色谱质谱法:按GB/T 5750.8-2023中4.2描述的方法测定 10氯化氰 10.1异烟酸巴比妥酸分光光度法 10.1.1最低检测质量浓度 本方法最低检测质量为0.0g。若取10.0mL水样测定，则最低检测质量浓度为001mg/L。本方法仅用于生活饮用水(经含氯消毒剂消毒处理)中氯化氰的测定。 10.1.2原理 水中氯化氰与异烟酸-巴比妥酸试剂反应生成蓝紫色的化合物,于600nm波长处比色定量 11甲醛 11.14-氨基-3-联氨-5-硫基-1,24-三氯杂茂(AHMT)分光光度法 11.1.1最低检测质量浓度本方法最低检测质量为0.25g，若取5.0m水样测定，则最低检测质量浓度为0.05mg/L。AHMT分光光度法选择性高,其他醛类，如乙醛、丙醛、正丁醛、丙烯醛及苯甲醛等对本方法无干扰。 11.1.2原理 水中甲醛与AHMT(CHNS)在碱性条件下缩合后,经高碘酸钾氧化成6-基-S-三氮杂茂[4.3-b]-S-四氮杂苯紫红色化合物，其颜色深浅与甲醛含量成正比。 12乙醛 12.1气相色谱法 12.1.1最低检测质量浓度 本方法最低检测质量为乙醛12ng和丙烯0.95ng。若取50L水样直接进样,则最低检测质量浓度为:乙醛0.3mg/L和丙烯醛0.02mg/L。 在选定的色谱条件下，甲醛、丙醛、丙酮和丁醛等均不干扰测定 12.1.2原理 水中乙醛、丙烯醛可以直接用带有氢火焰离子化检测器的气相色谱仪分离测定，出峰顺序为丙烯醒和乙醛 13三氯乙醛 13.1顶空气相色谱法 13.1.1最低检测质量浓度 本方法最低检测质量浓度为1pg/L。 14一氯乙酸 14.1液液萃取衍生气相色谱法 14.1.1最低检测质量浓度 本方法最低检测质量:一氯乙酸(MCAA)、二氯乙酸(DCAA)三氯乙酸(TCAA)分别为0.062ng、0.025ng,0.012ng。若取水样25mL水样测定，则最低检测质量浓度分别为:5.0g/L,2.0g/L.1.0pg/L。 15二氯乙酸 15.1液液萃取衍生气相色谱法 按14.1描述的方法测定 15.2离子色谱-电导检测法 按14.2描述的方法测定 15.3高效液相色谱串联质谱法 15.3.1最低检测质量浓度 进样量为25l.时，二氯乙酸、三氯乙酸、澳酸盐、氯酸盐和亚氯酸盐的最低检测质量浓度为8.1pg/L、10.0ug/L、2.5ug/L、20.0ug/L和19.0g/L。本方法仅用于生活饮用水中二氯乙酸、三氯乙酸、酸盐、氯酸盐和亚氯酸盐的测定