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GB/T 45010-2024: Homogeneous electrodialysis membrane
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GB/T 45010-2024: Homogeneous electrodialysis membrane

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Homogeneous electrodialysis membrane Homogeneous electrodialysis membrane ICS 07.060; 23.100.60 CCS J 77 National Standard of the People's Republic of China Released on 2024-11-28 2025-06-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface ... Ⅲ 1 Scope ... 1 2 Normative references ... 1 3 Terms and Definitions ... 1 4 Classification and coding ... 2 4.1 Classification ... 2 4.2 Encoding ... 2 5 Technical requirements ... 3 5.1 Appearance ... 3 5.2 Performance Indicators 3 6 Test methods ... 3 6.1 Test conditions 3 6.2 Sampling 3 6.3 Appearance ... 4 6.4 Relative thickness deviation ... 4 6.5 Surface resistance ... 5 6.6 Number of migrations ... 5 6.7 Explosive Strength 6 6.8 Water pressure difference permeability coefficient 6 6.9 Water Concentration Difference Permeability Coefficient ... 8 6.10 Dialysis coefficient of solute concentration difference 9 7 Inspection Rules ... 10 7.1 Inspection categories ... 10 7.2 Factory Inspection 10 7.3 Type inspection 10 7.4 Batch Grouping Rules 11 7.5 Judgment Rules 11 8 Marking, packaging, transportation and storage ... 11 8.1 Logo 11 8.2 Packaging ... 11 8.3 Transportation 11 8.4 Storage 11 Appendix A (Informative) Thickness Relative Deviation Test Point Distribution Diagram ... 12 Appendix B (Informative) Surface resistance and migration number test description ... 13 B.1 Schematic diagram of electrochemical performance test cell ... 13 B.2 Schematic diagram of membrane fixture ... 14 B.3 Standard potential difference E0 ... 14 Appendix C (Informative) Burst Strength Test Instructions ... 15 Appendix D (Informative) Water Pressure Difference Permeability Coefficient Test Instructions ... 16 D.1 Schematic diagram of water pressure difference permeability test device ... 16 D.2 Linear fitting example of water pressure difference permeability test ... 17 Appendix E (Informative) Water Concentration Difference Permeability Coefficient Test Instructions ... 18 E.1 Schematic diagram of water concentration difference permeability test device ... 18 E.2 Example of linear fitting for water concentration difference permeability test ... 18 Appendix F (Informative) Solute Concentration Difference Dialysis Coefficient Test Instructions ... 19 F.1 Schematic diagram of the solute concentration difference dialysis coefficient test device ... 19 F.2 Example of linear fitting for solute concentration difference dialysis coefficient test ... 19 References ... 20

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed and coordinated by the National Technical Committee for Separation Membranes Standardization (SAC/TC 382). This document was drafted by. Shandong Tianwei Membrane Technology Co., Ltd., Anhui Zhongke Xinyang Membrane Technology Co., Ltd., Zhejiang Jinmo Environmental Technology Co., Ltd. Ltd., University of Science and Technology of China, Hangmo Technology Development Group Co., Ltd., Guangdong Xintailong Environmental Protection Group Co., Ltd., Weifang Vocational College Institute of Science and Technology, Qingdao University of Science and Technology, Guangzhou Institute of Advanced Technology, Hohai University, Hebei University of Technology, Hangzhou Jiangrongdao Environmental Technology Co., Ltd., Tibet OriginWater Environmental Technology Co., Ltd., Sinopec (Beijing) Chemical Research Institute Co., Ltd., Shandong Marine Chemical Science Research Institute Institute, Fujian Yanrun Membrane Environmental Protection Technology Co., Ltd., Hangzhou Kerui Environmental Energy Technology Co., Ltd., Hangzhou Lanran Technology Co., Ltd., Zhejiang University of Technology, Zhejiang Zhicheng Environmental Resources Technology Co., Ltd., China Power Construction Group East China Survey and Design Institute Co., Ltd., Hebei Sen Si Environmental Technology Co., Ltd., Ecological Environment Research Center of Chinese Academy of Sciences, Jinhua Jinqiu Environmental Protection Water Treatment Co., Ltd., Shenzhen Shenshui Water Treatment Co., Ltd. Consulting Co., Ltd., Zhejiang Baichen Low Carbon Technology Co., Ltd., Shanghai Sanji New Materials Technology Co., Ltd., Laizhou Lianyou Jinhao New Materials Co., Ltd., Jiangsu Yifengpan Environmental Protection Technology Co., Ltd., Harbin Institute of Technology Water Resources National Engineering Research Center Co., Ltd., Guangdong Wen Yang Environmental Technology Co., Ltd., China Construction Hailong Technology Co., Ltd., Ordos Yongsheng Wastewater Treatment Co., Ltd., Jinke Environmental Co., Ltd. Company, Jiangsu Rongsheng Electronics Co., Ltd., Beijing Huateyuan Technology Co., Ltd., Quzhou Lanran New Materials Co., Ltd., Beijing Junyi Technology Co., Ltd. Co., Ltd., Tianjin Polytechnic University. The main drafters of this document are. Fu Rongqiang, Lian Wenyu, Wang Xiaolin, Xu Yinong, Xu Tongwen, Zhang Xiaoli, Wang Hanyi, Ou Hongsen, Zhang Li, Zhang Yang, Wang Xi, Li Yi, Ji Zhiyong, Wang Daxin, Xie Peng, Zhang Xinmiao, Liu Zhaoming, Liu Fen, Tan Yuanqing, Ye Hailin, Shen Jiangnan, Shi Xiaolin, Zhu Shuang, Zhang Jianqing, Tian Binghui, Wang Bin, Huo Guoyou, Wang Binghui, Lou Youyi, Fang Qiongyi, Li Kan, Wu Chuandong, Ye Weibing, Luo Haichuan, Ma Yonghong, Liu Mu, Chen Jianjun, Li Tianyu, Liao Qiao, Zhang Mo, Wang Haitao, Ma Lanyun, Guo Feng, Liao Junbin, Zhang Jianzhong, Li Zehua, Chang Na, and Gong Haichen. Homogeneous electrodialysis membrane

1 Scope

This document specifies the classification and coding, technical requirements, test methods, inspection rules, and marking, packaging, and transportation of homogeneous electrodialysis membranes. and storage. This document applies to the research, development, production and application of homogeneous electrodialysis membranes. This document does not apply to monovalent selective anion membranes, monovalent selective cation membranes, hydrogen ion blocking anion membranes and hydroxide ion blocking cation membranes.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB/T 4456 Polyethylene blown film for packaging GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 9174 General technical requirements for general cargo transport packaging GB/T 9969 General principles for instructions for use of industrial products GB/T 12464 Ordinary wooden box

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Homogeneous ion exchange membrane An ion exchange membrane with uniform cross-sectional structure, uniformly distributed chemical composition, and functional groups and membrane matrix connected by chemical bonds. 3.2 Homogeneous ion exchange membranes for electrodialysis processes. 3.3 anion exchange membrane anion membrane The membrane body fixed group is positively charged and can selectively pass anions. [Source. GB/T 20103-2006, 3.1.3, modified] 3.4 Cation exchange membrane Cation membrane The membrane body fixed group is negatively charged and can selectively pass cations. [Source. GB/T 20103-2006, 3.1.2, modified] ...