YS/T 928.3-2026Chemical analysis methods of nickel cobalt manganese ternary precursor - Part 3: Determination of nickel, cobalt and manganese contents - Na2EDTA titration method and inductively coupled plasma atomic emission spectrometry (English PDF)
镍钴锰三元前驱体化学分析方法 第 3 部分：镍、钴、锰含量的测定 Na2EDTA 滴定法和电感耦合等离子体原子发射光谱法
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Issued by
Ministry of Industry and Information Technology
Level / Type
Industry · Recommended
Issue date
April 15, 2026
Implementation date
November 1, 2026
Scope
YS/T 928.3-2026 is the English-translated version of 镍钴锰三元前驱体化学分析方法 第 3 部分：镍、钴、锰含量的测定 Na2EDTA 滴定法和电感耦合等离子体原子发射光谱法.
Part 3 of the series on chemical analysis of nickel cobalt manganese ternary precursors describes the determination of nickel, cobalt and manganese contents by two methods: the Na2EDTA titration method (method 1) and inductively coupled plasma atomic emission spectrometry (method 2). Method 1 determines the combined mass fraction of nickel, cobalt and manganese, and method 2 determines the mass fraction of each element. The measuring ranges are 60.00% to 75.00% for the combined content, 20.00% to 71.00% for nickel, 2.00% to 25.00% for cobalt and 2.00% to 25.00% for manganese.
It is used by precursor producers, by battery cathode material makers who buy the precursor, and by analytical laboratories. It is voluntary, as the /T in the code shows. It was approved by the Ministry of Industry and Information Technology, issued on 15 April 2026 and takes effect on 1 November 2026. It replaces YS/T 928.3-2013.
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Document preview — YS/T 928.3-2026
National Standard of the People's Republic of China
- ICS
- 77.120.40
- Classification
- H13
- Replacing
- YS/T 928.3-2013
Issued by: Ministry of Industry and Information Technology
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
YS/T 928.3-2026 is a recommended industry standard of the People's Republic of China in the Nonferrous Metals sector, approved and issued by the Ministry of Industry and Information Technology on 15 April 2026, with effect from 1 November 2026.
This edition replaces YS/T 928.3-2013.
Classification: ICS 77.120.40; CCS H13.
1 Scope
Part 3 of the series on chemical analysis of nickel cobalt manganese ternary precursors describes the determination of nickel, cobalt and manganese contents by two methods: the Na2EDTA titration method (method 1) and inductively coupled plasma atomic emission spectrometry (method 2). Method 1 determines the combined mass fraction of nickel, cobalt and manganese, and method 2 determines the mass fraction of each element. The measuring ranges are 60.00% to 75.00% for the combined content, 20.00% to 71.00% for nickel, 2.00% to 25.00% for cobalt and 2.00% to 25.00% for manganese.
It is used by precursor producers, by battery cathode material makers who buy the precursor, and by analytical laboratories. It is voluntary, as the /T in the code shows. It was approved by the Ministry of Industry and Information Technology, issued on 15 April 2026 and takes effect on 1 November 2026. It replaces YS/T 928.3-2013.
Remaining clauses in the full document
- 2 Normative references
- 3 Terms and definitions
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of YS/T 928.3
| Edition | Title | Revision | Status |
|---|---|---|---|
| YS/T 928.3-2026 | Chemical analysis methods of nickel cobalt manganese ternary precursor - Part 3: Determination of nickel, cobalt and manganese contents - Na2EDTA titration method and inductively coupled plasma atomic emission spectrometry | current edition | Current |
| YS/T 928.3-2013 | Chemical analysis methods of nickel cobalt manganese ternary precursor - Part 3: Determination of nickel, cobalt and manganese contents - Na2EDTA titration method and inductively coupled plasma atomic emission spectrometry | previous edition | In force until 1 November 2026 |
This page sells the current edition, YS/T 928.3-2026. Earlier editions are listed for reference only.
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Related Standards
YS/T 928.1-2013 — Methods for chemical analysis of nickel cobalt manganese composite hydrogenoxide. Part 1: Determination of chloride ion contents. Silver chloride turbidimetry
YS/T 928.2-2013 — Methods for chemical analysis of nickel cobalt manganese composite hydrogenoxide. Part 2: Determination of nickel cntents. Dimethylglyoxime gravimetric
YS/T 928.3-2013 — Methods for chemical analysis of nickel cobalt manganese composite hydrogenoxide. Part 3: Determination of nickel, cobalt, manganese content. Inductively coupled plasma atomic emission spectromertric
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YS/T 928.3-2026
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