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General method for the determination of total carbon content and total organic carbon content in inorganic chemical products
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Basic data
| Standard ID | GB/T 45967-2025 (GB/T45967-2025) |
| Description (Translated English) | General method for the determination of total carbon content and total organic carbon content in inorganic chemical products |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | G10 |
| Classification of International Standard | 71.060.01 |
| Word Count Estimation | 10,186 |
| Date of Issue | 2025-08-01 |
| Date of Implementation | 2026-02-01 |
| Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China |
GB/T 45967-2025: General method for the determination of total carbon content and total organic carbon content in inorganic chemical products
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT45967-2025
ICS 71.060.01
CCSG10
National Standard of the People's Republic of China
Total carbon and total organic carbon content in inorganic chemical products
General method for determination
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Preface
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.
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 by the China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Technical Committee on Chemical Standardization (SAC/TC63).
This document was drafted by. CNOOC Tianjin Chemical Research and Design Institute Co., Ltd., Shenzhen Aikort Testing Co., Ltd., Quzhou Huayou
Cobalt New Materials Co., Ltd., Henan Xinlianxin Fertilizer Testing Co., Ltd., Huarong Chemical Co., Ltd., GEM Co., Ltd., Taixing
Smelter Co., Ltd., Huarong Chemical (Chengdu) Co., Ltd., Changzhou Qingliu Environmental Protection Technology Co., Ltd., Jiangxi Nuclear Industry Xingzhong New Materials Co., Ltd.
Company, Jena Analytical Instruments (Shanghai) Co., Ltd., Jinsheng Ocean Technology Co., Ltd., Hubei Yihua Chemical Co., Ltd., East China Normal University
Fan University.
The main drafters of this document are. An Xiaoying, Peng Yihua, Li Yan, Luo Yanli, Luo Xiaorong, Xu Kaihua, Liu Houchuan, Zhang Hongliang, Han Xiaogang, Long Changjiang,
Wang Yuemin, Zhang Datang, Guo Rui, He Yan, Cheng Bosen, Li Gang, Zhang Kun, Gu Lingling, Gu Xueqiang, Ma Zhenfa, Cai Ruiqian, Sun Shuming, Ding Ling, and Gong Chuangzhou.
Total carbon and total organic carbon content in inorganic chemical products
General method for determination
Warning. Some of the reagents used in this document are corrosive. Be careful when handling. If they splash on your skin or eyes, use water immediately.
If the patient is seriously ill, please seek medical attention immediately. The personnel using this document should have the practical experience of regular laboratory work.
There may be safety issues. Users are responsible for taking appropriate safety and health measures and ensuring that the conditions stipulated by relevant national laws and regulations are met.
1 Scope
This document specifies the general provisions, sampling and sample preparation for the determination of total carbon and total organic carbon content in inorganic chemical products, and describes the measurement procedures.
The principle of the determination method, the determination method of total carbon and total organic carbon content, and the precision and accuracy of the determination method are given.
This document applies to the determination of total carbon and total organic carbon content in inorganic chemical products.
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 to
This document.
GB/T 6678 General Principles for Sampling of Chemical Products
HG/T 3696.3 Preparation of standard solutions, preparations and products for chemical analysis of inorganic chemical products Part 3.Preparations and products
Preparation
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Total carbon content
The total amount of carbon contained in a substance.
3.2
The total amount of carbon in organic form contained in a substance.
4 General Provisions
The reagents and water used in this document, unless otherwise specified, refer to high-grade pure reagents (or reference reagents) and carbon dioxide-free water.
of water.
...
