GB/T 23986.2-2023 English PDFUS$769.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 23986.2-2023: Paints and varnishes - Determination of volatile organic compounds (VOC) and/or semi volatile organic compounds (SVOC) content - Part 2: Gas-chromatographic method Status: Valid
Basic dataStandard ID: GB/T 23986.2-2023 (GB/T23986.2-2023)Description (Translated English): (Standards for Electronic Announcements of Listed Companies - Part 1: Classification of Announcements) Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A11 Classification of International Standard: 03.060 Word Count Estimation: 14,183 Date of Issue: 2023-10-23 Date of Implementation: 2023-10-23 Older Standard (superseded by this standard): JR/T 0021-2004 Issuing agency(ies): People's Bank of China GB/T 23986.2-2023: Paints and varnishes - Determination of volatile organic compounds (VOC) and/or semi volatile organic compounds (SVOC) content - Part 2: Gas-chromatographic method---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. ICS 87:040 CCSG50 National Standards of People's Republic of China Replace GB/T 23986-2009 Paints and Varnishes Volatile Organic Compounds (VOCs) and/or or semi-volatile organic compounds (SVOC) content Determination Part 2: Gas Chromatography (ISO 11890-2:2020,MOD) Published on 2023-11-27 and implemented on 2024-06-01 State Administration for Market Regulation Released by the National Standardization Administration Committee Table of contentsPreface III Introduction VI 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Principle 4 5 Required information 4 6 instruments 4 6:1 Gas Chromatograph 4 6:2 Column box 5 6:3 Detector 5 6:4 Capillary Column 5 6:5 Analyze system performance indicators 5 6:6 Qualitative analysis equipment 5 6:7 Syringe 6 6:8 Data processing 6 6:9 Sample vial 6 6:10 Gas filter 6 6:11 Gas 6 7 Reagents 6 7:1 General 6 7:2 Internal Standard 6 7:3 Alternative calibrators 7 7:4 Markers 7 7:5 Performance Indicators Compound 7 7:6 Calibrator 7 7:7 Extraction solvent 7 8 Test Step 7 8:1 Sampling 7 8:2 Analysis 7 8:3 Calibration 8 8:4 Quality Assurance 9 8:5 Gas Chromatography Conditions 9 8:6 Density 9 8:7 Moisture content 9 9 Data Analysis 9 9:1 Integration and Qualification of Compounds 9 9:2 Classification of compounds 11 10 Quantitative determination of compound content 12 10:1 General 12 10:2 Quantitative determination of compound content 14 11 Calculation of VOC content and SVOC content 15 11:1 General 15 11:2 Method 1: VOC content and/or SVOC content (mass fraction) of “ready-to-use” products 15 11:3 Method 2: VOC content and/or SVOC content of “ready-to-use” products, expressed in grams per liter (g/L)15 11:4 Method 3: VOC content and/or SVOC content of “ready-to-use” products after deducting water, expressed in grams per liter (g/L)16 11:5 Method 4: VOC content and/or SVOC content of “ready-to-use” products after deducting water and exempted compounds, in grams per liter (g/L) means 16 11:6 Method 5: VOC content and/or SVOC content (mass fraction) of "ready-to-use" products after deducting water 17 12 Data evaluation and final result calculation18 13 Precision18 13:1 General 18 13:2 Repeatability limit r 18 13:3 Reproducibility limit R 18 14 Test Report 18 Appendix A (informative) Thermal unstable product information 19 A:1 Thermal decomposition of matrix resulting from the analytical methods in Chapter 819 A:2 Example 1: Polyurethane dispersion 19 A:3 Example 2: Polymethacrylate 20 A:4 Example 3: Silicone 20 A:5 Example 4: 1-dodecanol 22 Appendix B (Informative) Examples of Gas Chromatography Method Conditions 23 B:1 Example of gas chromatography conditions 1 23 B:2 Example of gas chromatography conditions 2 23 Appendix C (Normative) Non-exhaustive list of VOC, SVOC and NVOC compounds24 Appendix D (informative) Comparative test results to determine precision data 29 Reference 31ForewordThis document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document is GB/T 23986 "Volatile organic compounds (VOC) and/or semi-volatile organic compounds in paints and varnishes" Determination of (SVOC) Content》Part 2: GB/T 23986 has released the following parts: ---Part 2: Gas Chromatography: This document replaces GB/T 23986-2009 "Determination of Volatile Organic Compounds (VOC) Content in Paints and Varnishes by Gas Chromatography" "Law", compared with GB/T 23986-2009, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Changed the “scope” (see Chapter 1, Chapter 1 of the:2009 edition); b) Added “semi-volatile organic compounds”, “non-volatile organic compounds”, “semi-volatile organic compounds content” and “internal standards” Terms and definitions of “substitute calibrator”, “marker”, “retention time”, “extraction solvent”, “main peak”, “secondary peak” and “reagent” (see Section 3 Chapter); change "to be tested" to "to be used" (see 3:7, 3:4 of the:2009 version); c) Changed the “principle” (see Chapter 4, Chapter 4 of the:2009 edition); d) Changed “required supplementary information” to “required information” and changed the corresponding content (see Chapter 5, Chapter 5 of the:2009 edition and Appendix A); e) "Gas Chromatograph" (see 6:1, 6:1 and 6:2 of the:2009 edition), "Detector" (see 6:3, 6:4 of the:2009 edition), "Gas Chromatograph" (see 6:3, 6:4 of the:2009 edition), "Glass "Slim tube column" (see 6:4, 6:5 in the:2009 edition), "Qualitative analysis equipment" (see 6:6, 6:6 in the:2009 edition); "Analysis system" was added "Performance indicators of the system" (see 6:5) and "Data processing" (see 6:8); deleted "Graph recorder" (see 6:8 in the:2009 version) and "Integrator" (see 6:9 of the:2009 edition); f) "Standard compound" was changed to "calibrator", and the corresponding requirements were changed (see 7:6, 7:2 of the:2009 version), and the "internal standard" was changed: "substance" (see 7:2, 7:1 of the:2009 edition), "marker" (see 7:4, 7:4 of the:2009 edition), "extraction solvent" (see 7:7,:2009 edition of Version 7:3); Added "General Principles" (see 7:1), "Substitute Calibrants" (see 7:3), and "Performance Index Compounds" (see 7:5); g) Change "Quantitative determination of compound content" to "Data collection for sample measurement", and change the corresponding requirements (see 8:2:2,:2009 9:7 of the:2009 edition), changed "Sampling" (see 8:1, Chapter 8 of the:2009 edition) and "Sample Preparation" (see 8:2:1, Chapter 8 of the:2009 edition) 9:6), "Calibration" (see 8:3, 9:5 of the:2009 edition), "Gas Chromatography Conditions" (see 8:5, 9:3 of the:2009 edition), "Moisture content" (See 8:7, 9:2 of the:2009 version); Added "Quality Assurance" (see 8:4); h) Added "Data Analysis" (see Chapter 9); i) Added "Quantitative determination of compound content" (see Chapter 10); j) Added the calculation formulas for VOC content and SVOC content (see 11:6); k) Changed "Representation of results" to "Data evaluation and calculation of final results", and changed the corresponding content (see Chapter 12,:2009 version of Chapter 11); l) "Precision" has been changed (see Chapter 13, Chapter 12 of the:2009 edition); m) Changed the "Test Report" (see Chapter 14, Chapter 13 of the:2009 edition): This document is modified using ISO 11890-2:2020 "Volatile organic compounds (VOC) and/or semi-volatile organic compounds in paints and varnishes" Determination of compound (SVOC) content Part 2: Gas chromatography method: Compared with ISO 11890-2:2020, this document has made the following structural adjustments: ---6:1:1 corresponds to 6:1 in ISO 11890-2:2020; ---6:1:2 corresponds to 6:1:1 in ISO 11890-2:2020; ---6:1:3 corresponds to 6:1:2 in ISO 11890-2:2020; ---6:1:4 corresponds to 6:1:3 in ISO 11890-2:2020; ---Changed the format of the detector description in 6:3 to column items; ---Appendix A corresponds to Appendix B in ISO 11890-2:2020; ---Appendix B corresponds to Appendix C in ISO 11890-2:2020; ---Appendix C corresponds to Appendix A in ISO 11890-2:2020: The technical differences between this document and ISO 11890-2:2020 and their reasons are as follows: --- Added the method of measuring moisture content in coatings using ISO 23168 (see 8:7), increasing the success rate of widespread use in my country's coatings industry methods to improve the applicability of this document; ---Added sample weighing accuracy requirements (see 8:2:1) to improve the operability of this document; ---Added the calculation method of VOC content and/or SVOC content (mass fraction) of "ready-to-use" products after deducting water (see 11:6), adapt to the usage habits of relevant fields in my country to improve the applicability of this document: The following editorial changes have been made to this document: ---A description of the method has been added to the scope; ---Standardizes the presentation of long-chain alkane compounds in this document; --- Added Note 3 in 8:7, optimized the precision, and explained the simplified processing of trace moisture content in the extraction solvent; ---Changed the item number in 9:1; ---Changed the editorial error in Figure 4, changing "VOC markers < TR ≤VOC markers" to "VOC markers < TR ≤SVOC markers”; ---Deleted the "%" in "in" of formula (4) and formula (5); ---The error in the unclear expression of the acetonitrile extraction solution component ratio in Figure B:3 of ISO 11890-2:2020 has been changed, and the "correct" error has been changed: "Hexane: acetonitrile = 4:1" was changed to "n-hexane: acetonitrile = 4:1 (volume ratio)" (see Figure A:3); ---Changed the description of the column oven temperature program in the chromatographic conditions of 1-dodecanol in ISO 11890-2:2020B:4, replacing "initial temperature 50℃, constant temperature for 5min, increase to:200℃ and 320℃ at 5℃/min and 20℃/min, keep for 7min and 0min" change It is "initial temperature 50℃, constant temperature for 5min, rise to:200℃ at a heating rate of 5℃/min, and maintain for 7min; or initial temperature 50°C, constant temperature for 5 minutes, rise to 270°C at a heating rate of 20°C/min, hold for 0 minutes"; changed the editing of the final temperature of the column oven If there is a sexual error, change the final temperature of the column oven from "320℃" to "270℃"; if there is an error of changing the detector temperature condition, change "and" to "270℃": "or" (see A:5); ---Changed the format of chromatographic conditions in ISO 11890-2:2020 Appendix B and Appendix C to listed items; changed the split ratio Description, change it to note (see Appendix A and Appendix B); ---Add a description indicating the terms represented in Table D:1 in Appendix D, and change "determine the precision of this test method" to "Determine the precision of this test method (see Table D:1)"; changed the editorial error in Appendix D, replacing "3 VOCs" Change to "3 or 4 VOCs": Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by China Petroleum and Chemical Industry Federation: This document is under the jurisdiction of the National Coatings and Pigments Standardization Technical Committee (SAC/TC5): This document was drafted by: CNOOC Changzhou Paint Chemical Research Institute Co:, Ltd:, 3Tree Coatings Co:, Ltd:, Tianjin Dengta Paint Industrial Development Co:, Ltd:, Ningbo Xin'an Paint Co:, Ltd:, Zhuhai Hengce Technology Co:, Ltd:, Jiabaoli Chemical Group Co:, Ltd: Company, Dow Chemical (China) Investment Co:, Ltd:, Zhejiang Chaolang New Materials Co:, Ltd:, Zhejiang Yutong New Materials Co:, Ltd:, Shanghai Tu Materials Research Institute Co:, Ltd:, Guohengxin (Changzhou) Testing and Certification Technology Co:, Ltd:, Shanghai Customs Industrial Products and Raw Materials Testing Technology Center, A Xunobel Paint (Shanghai) Co:, Ltd:, Hubei Basit Technology Co:, Ltd:, Eastman (China) Investment Management Co:, Ltd:, Jiangsu Ambassador Su Tongfeng Paint Co:, Ltd:, Baoji Jishi Metal Detection Co:, Ltd:, Nippon Paint (China) Co:, Ltd:, Fujian Wan'an Shi Industry Group Co:, Ltd:, Meichao Group Co:, Ltd:, Runtai Chemical (Taixing) Co:, Ltd:, Chongqing Three Gorges Paint Co:, Ltd:, Shanghai Microprint Inspection Technology Group Co:, Ltd:, BASF (China) Co:, Ltd:, China Iron and Steel Group Zhengzhou Metal Products Research Institute Co:, Ltd:, China Shan Yongheng Detection Technology Co:, Ltd:, Shuangta Paint Technology Co:, Ltd:, Qingdao Vocational and Technical College, Shaanxi Baotashan Paint Co:, Ltd:, Shenzhen Feiyang Junyan New Materials Co:, Ltd:, Anhui Linghu Paint Co:, Ltd:, Zhonghua Paint (Xinfeng) Co:, Ltd:, SCS Standard Technology Technical Services (Tianjin) Co:, Ltd:, Biaogeda Precision Instrument (Guangzhou) Co:, Ltd:, Changzhou Engineering Vocational and Technical College, Guangdong Zhujiang Chemical Coatings Co:, Ltd:, Guangdong Banggu Chemical Technology Co:, Ltd:, AVIC Bermuda New Materials Technology Engineering Co:, Ltd:, and Yejian New Materials Co:, Ltd: Company, Zhuhai Flute Technology Co:, Ltd:, PPG Paint (Tianjin) Co:, Ltd:, Chuzhou Jinqiao Deke New Materials Co:, Ltd:, Yatu High-tech Material Co:, Ltd:, Changzhou Tianan Special Coating Co:, Ltd:, Hunan Commodity Quality Inspection Institute, Jiangsu Kexiang Anticorrosive Materials Co:, Ltd:, COSCO Kansai Paint (Shanghai) Co:, Ltd:, Dongguan Dabao Chemical Products Co:, Ltd:, Shengli Oilfield Deli Industrial Co:, Ltd: company: The main drafters of this document: Li Jinying, Ji Junhong, Cai Xuena, Ye Caiping, Peng Jufang, Jiang Xin, Liu Wenbin, Song Haiyan, Tang Lei, Liu Fengxian, Yang Qingwei, Ke Beibei, Liu Yan, Nan Xuan, Xu Jinbao, Xiao Tianyou, Yang Yaliang, Yang Yang, Dai Renxing, Yang Juan, Wu Ruilang, Jing Xionggang, Huang Wen, Yang Ping, Zhou Xiangling, Lu Haijin, Li Ruixiang, Li Guangdong, Liu Zhe, Huang Jionghui, Xu Wenbin, Chen Jie, Lu Wenwen, Yao Pei, Wu Zuogui, Wang Zhi, Hu Ying, Shi Liping, Su Na, Tian Qiao, Xue Meng, Yang Zhenbo, Shi Youliang, Shang Pei, Cai Yanru, Zhang Yue, Song Youyue, Ruan Weiming, Chen Jie, Liu Lingzhi, Zheng Guocheng, Pei Bei, Liu Chengtai, Liu Xin: The previous versions of this document and the documents it replaces are as follows: ---First published as GB/T 23986-2009 in:2009; ---This is the first revision:IntroductionThis document is one of a series of standards for the sampling and testing of coatings and their raw materials: This document describes the determination of volatile emissions from coatings and their raw materials: Volatile organic compound content (VOC) and semi-volatile organic compound content (SVOC): GB/T 23986 "Paints and varnishes "Determination of Volatile Organic Compounds (VOC) and/or Semi-Volatile Organic Compounds (SVOC)" aims to provide guidance for coatings and their raw materials in my country: The control of VOC and SVOC provides internationally accepted and reliable testing methods to promote the development of the coating industry in the direction of low pollution: It is planned to be composed of two Partial composition: ---Part 1: Gravimetric determination of VOC: GB/T 23985 is revised to GB/T 23986:1, which is applicable to the gravimetric determination of coatings: VOC content in materials: ---Part 2: Gas Chromatography: GB/T 23986 is revised to GB/T 23986:2, which is suitable for the determination of coatings by gas chromatography: VOC and/or SVOC content in the material: Paints and Varnishes Volatile Organic Compounds (VOCs) and/or or semi-volatile organic compounds (SVOC) content Determination Part 2: Gas Chromatography Warning---The use of this document may involve hazardous materials, operations, and equipment: This document is not intended to address all safety aspects associated with the use of question: Users of this document are responsible for taking appropriate steps to ensure the safety and health of personnel and to identify any other The applicability of his restrictions:1 ScopeThis document describes a method for the determination of VOC and/or SVOC content by gas chromatography: This document applies to applications where the expected VOC and/or SVOC content is greater than 0:01% (mass fraction) and less than or equal to 100% (mass fraction): Determination of VOC and SVOC content of several): When the VOC content is greater than 15% (mass fraction), the method specified in ISO 11890-1 is used for measurement: According to ISO 11890-1 The measured VOC content may be affected by SVOC: Therefore, when the system contains VOC and SVOC, this document should be used: (GB/T 23986:2) determination: When the VOC content is less than 0:1% (mass fraction), the headspace method described in ISO 17895 can also be selected: Determination: ISO 11890-1 and ISO 17895 cannot be used to determine SVOC content: Note 1: Some components of coatings and their raw materials may decompose during the analysis process, thereby producing artificial VOC and/or SVOC signals: Measuring paint When measuring VOCs and/or SVOCs of their raw materials, these signals are artifacts produced by the method and will not be taken into account (see Appendix A for examples): This method assumes that the volatile substance is water or organic matter, but there may also be other volatile inorganic substances: These inorganic substances may Other suitable methods need to be used for quantification and taken into account in calculations: The methods specified in this document do not apply to moisture content Determination: Note 2: If there are organic acids or organic bases and their corresponding salts in the coating and its raw materials, this method may be used due to changes in the acid-base balance: The results obtained by quantification are inaccurate:2 Normative reference documentsThe contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: (generalmethod)] Note: GB/T 6283-2008 Determination of moisture content in chemical products Karl Fischer method (general method) (ISO 760:1978, NEQ) oftestsamples) Note: GB/T 20777-2006 Inspection and preparation of paint and varnish samples (ISO 1513:1992, IDT) ty) Note 1: GB/T 6750-2007 Determination of density of paints and varnishes - Pycnometer method (ISO 2811-1:1997, IDT) Note 2: GB/T 21862:2-2008 Determination of density of paints and varnishes Part 2: Falling ball method (ISO 2811-2:1997, IDT) Note 3: GB/T 21862:3-2008 Determination of density of paints and varnishes Part 3: Vibration method (ISO 2811-3:1997, IDT) ...... |
