GB/T 43486-2023Test method for protective agents for heating system (English PDF)

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting:

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 Chemical Standardization Technical Committee (SAC/TC63):

This document was drafted by: Anhui Puqing Environmental Protection Technology Co:, Ltd:, Shenzhen Zongheng Standard Technology Co:, Ltd:, Guangzhou Biwei Testing Technology Co:, Ltd:, Zhejiang Weipeng Refrigeration Equipment Co:, Ltd:, Suzhou Pengran Technology Co:, Ltd:, Shandong Linyi Sanfeng Chemical Co:, Ltd:, Shandong Provincial Product Quality Inspection Institute, Zhejiang Ruizhou Construction New Technology Co:, Ltd:, Zhuhai Gree Electric Co:, Ltd:, Dongguan North-South Inspection Certification Technology Co:, Ltd:, Shandong Oulansu Automotive Environmental Protection Technology Co:, Ltd:, Shanxi Sijian Group Co:, Ltd:, Shandong Aikeduo Thermal Technology Co:, Ltd:, Sinopec Nanjing Chemical Industry Research Institute Co:, Ltd:, Pony Testing Group Co:, Ltd:, Zhejiang Sailingte Pump Technology Co:, Ltd:

Company, China MCC22 Group Co:, Ltd:, CNOOC Tianjin Chemical Research and Design Institute Co:, Ltd:, Zhejiang Navas Industry and Trade Co:, Ltd:, Guangdong Provincial Boluo County Quality and Technical Supervision and Inspection Institute, Anhui Zhongzhike Standardization Research Institute Co:, Ltd:

The main drafters of this document: He Zongwen, Yang Xu, Zhao Mei, Wang Shipeng, Zhai Zhonghua, Liu Yingying, Zhang Junpeng, Shi Maoan, Zeng Fei, Guo Dingyun, Zhao Zhenying, Yang Fan, Zhuo Mingsheng, Wang Qinghao, Li Xuan, Wang Chenguang, Fan Xuefei, Li Zhiwei, Li Yang, Fan Wenbin, Zhang Pengying, Yan Jizhong, Wu Peng, He Mingwei, Wu Changde, Qin Lijuan, Luo Shengjia, Jiang Jiulong, Zhu Yongguang:

Heating system protective agent test method Warning: Some of the reagents used in this document are toxic or corrosive and should be handled with caution: If splashed on skin or eyes, remove immediately:

Rinse immediately with water: If severe, seek medical attention immediately: This document does not identify all possible safety issues: It is the user's responsibility to take appropriate safety precautions:

and health measures, and ensure compliance with the conditions stipulated in relevant national laws and regulations:

1 Scope

This document describes the pH value (25°C), density (25°C), total phosphorus content, nitrite content, and scale inhibition performance of the heating system protective agent:

and test methods for corrosion inhibition performance:

This document applies to the testing of protective agent products used in heating systems:

2 Normative reference documents

GB/T 601

GB/T 602

GB/T 603

GB/T 6682

GB/T 16632

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 It is composed of inorganic and organic scale inhibitors, metal preservatives and anti-microbial growth aids, etc:, which can prevent scale inside the heating system:

and corrosion-forming chemical treatments:

4 Test methods

4:1 General provisions Unless otherwise specified, the reagents and water used in this document are analytically pure reagents and grade three water in compliance with GB/T 6682: try Unless otherwise specified, the standard titration solutions, standard solutions, preparations and products used in the test shall comply with GB/T 601, GB/T 602, Preparation in accordance with GB/T 603: