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GB/T 47077-2026: Test method for available alkali content of mineral admixtures
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Test method for available alkali content of mineral admixtures
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Standard similar to GB/T 47077-2026 GB/T 14685 | GB/T 41054 | GB/T 31387 | GB/T 46064 | GB/T 31245 | Basic data | Standard ID | GB/T 47077-2026 (GB/T47077-2026) | | Description (Translated English) | Test method for available alkali content of mineral admixtures | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q13 | | Classification of International Standard | 91.100.30 | | Word Count Estimation | 14,187 | | Date of Issue | 2026-01-28 | | Date of Implementation | 2026-08-01 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 47077-2026: Test method for available alkali content of mineral admixtures---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 91.100.30
CCSQ13
National Standards of the People's Republic of China
Test method for effective alkali content of mineral admixtures
Published on 2026-01-28
Implemented on August 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of contents
Preface III
1.Scope 1
2 Normative References 1
3.Terms and Definitions 1
4.Principle 2
5.Test conditions 2
6.Reagents and Materials 2
7.Instruments and Equipment 3
8.Sample Preparation 4
9.Experimental Steps 4
10.Experimental Data Processing 5
11 Test Report 6
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 involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the China Building Materials Federation.
This document is under the jurisdiction of the National Technical Committee on Standardization of Cement Products (SAC/TC197).
This document was drafted by. China Academy of Building Research Co., Ltd., Suzhou Concrete and Cement Products Research Institute Co., Ltd., and China Railway Construction Corporation.
Group Co., Ltd., China Water Resources and Hydropower Ninth Engineering Bureau Co., Ltd., Wuhan University of Technology, Southeast University, Yangtze River Science Research Institute of Yangtze River Water Resources Commission
Institute, China Academy of Railway Sciences Group Co., Ltd., China Northwest Municipal Engineering Design & Research Institute Co., Ltd., Lanzhou University of Technology, Tongji University
Southwest University of Science and Technology, Tsinghua University, Highway Research Institute of the Ministry of Transport, Wenzhou Xintiankun Environmental Protection Technology Co., Ltd., China Power Construction Corporation
Group East China Survey and Design Institute Co., Ltd., China Building Materials Academy Co., Ltd., and CCCC Second Harbor Engineering Co., Ltd.
Company, Jiangxi Huaheng Engineering Testing Co., Ltd., Handan Deyu Renewable Resources Utilization Co., Ltd., Guangdong Guangwu Concrete Products Co., Ltd.
Hebei Century Inspection and Certification Co., Ltd., China Railway Beijing Engineering Bureau Group Testing Co., Ltd., China Water Resources and Hydropower Fifth Engineering Bureau Co., Ltd.
Xinjiang Uygur Autonomous Region Institute of Water Resources and Hydropower Research, China Railway Fourth Bureau Group Co., Ltd., Hebei Agricultural University, State Power Investment Corporation Engineering Co., Ltd.
Limited Liability Company, China Harbour Engineering Company Limited, Beijing Tianshan High-Tech Wind Power Equipment Co., Ltd., Wuhan University, CSSC Offshore & Marine Engineering Wind Power Co., Ltd.
Limited Liability Company, China Building Materials Innovation Technology Research Institute Co., Ltd., Hefei University of Technology Engineering Testing and Inspection Co., Ltd., Chongqing Housing and Urban-Rural Development Bureau
It includes a Technology Development Center (Chongqing Building Energy Conservation Center), Jianyan Building Materials Co., Ltd., and Tsinghua University Shenzhen International Graduate School.
This document was drafted by. Xia Jingliang, Yu Feng, Leng Faguang, Lu Jue, Ren Longfang, Xie Yongjiang, Li Beixing, Huang Jing, Zhang Yunsheng, Lü Xingdong, and Wang Jikai.
Wang Jing, Li Kang, Jiang Zhengwu, Han Feng, Zhou Zhengrong, Zhao Shangchuan, Zhang Duanju, Xie Guoshuai, Ren Qiang, Zhang Yu, Wei Kai, Gao Chunyong, Yi Ruoyu, Wu Hao
Wang Junjie, Jiang Jun, Peng Ruihong, Tan Xiaojun, Wang Huaiyi, Wu Han, Qiu Yafeng, Ling Benchun, Zhou Shuni, Sun Yunlong, Liang Di, Jin Hui, Chong Chuanlai
Jiang Fangxin, Feng Zhuqing, Yang Xuchao, Wang Aimin, Wang Junchao, Peng Ruiting, Zhou Yang, Luo Jian, Huang Liwei, Yang Guiquan, Wu Bin, Chen Yonghua, Wang Yongming
Meng Zhiliang, Zhang Fengshuang, Zhou Chunhong, Liu Haichao, Song Qiulei, He Yang, Yang Tingli, Xu Li, Xu Zhiyang, Li Li, Liu Lin, Ma Xinxin, Si Yuhua
Liu Linpeng, Wang Yang, Hu Yang, Li Binbin, Liu Hui, Gao Yong, Wang Xiaoying.
Test method for effective alkali content of mineral admixtures
1 Scope
This document describes the principle, test conditions, reagents and materials, instruments and equipment, sample preparation, and test procedures for the effective alkali content test of mineral admixtures.
Test procedures, test data processing, and test reports.
This document applies to the determination of the effective alkali content that can be dissolved in mineral admixtures in cement-based materials.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 622-2006 Chemical Reagents - Hydrochloric Acid
GB/T 679-2002 Chemical Reagents - Ethanol (95%)
GB 1253 Working Standard Reagent Sodium Chloride
GB/T 1914 Chemical Analysis Filter Paper
GB/T 6003.1 Technical requirements and inspection of test sieves - Part 1.Metal wire woven mesh test sieves
GB/T 6682-2008 Specifications and test methods for water used in analytical laboratories
GB 8076 Concrete Admixtures
GB 10736 Working Standard Reagent Potassium Chloride
GB/T 12806-2011 Laboratory Glassware - Single-mark volumetric flasks
GB/T 12808-2015 Laboratory Glassware - Single-mark Pipettes
GB/T 15724 Laboratory Glassware Beakers
HG/T 4101 Chemical Reagent Phenolphthalein
JB/T 10058 Technical Conditions for Flame Photometers
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
mineral admixture
A powder with one or more oxides such as silicon, aluminum, and calcium as its main components, possessing a certain fineness, which can be added to concrete to adjust its properties.
Coal ash, granulated blast furnace slag powder, silica fume, steel slag powder, granulated electric furnace phosphorus slag powder, copper slag powder, and natural pozzolanic materials.
3.2
The total amount of potassium and sodium ions in the liquid phase in a cement-based cementitious material system in a free state.
Note. Values are expressed as calculated based on Na₂O = 0.658K₂O.
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