YS/T 1781.3-2025Chemical analysis methods of high-temperature shape memory alloys - Part 3: Determination of cobalt, copper, chromium, iron, niobium, and nickel contents - Inductively-coupled plasma atomic emission spectrometric method (English PDF)
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
April 10, 2025
Implementation date
November 1, 2025
Scope
YS/T 1781.3-2025 (Chemical analysis methods of high-temperature shape memory alloys - Part 3: Determination of cobalt, copper, chromium, iron, niobium, and nickel contents - Inductively-coupled plasma atomic emission spectrometric method) is available as an English-translated PDF.
YS/T 1781.3-2025 — This standard specifies a method for determining the content of cobalt, copper, chromium, iron, niobium, and nickel in high-temperature shape memory alloys using inductively coupled plasma atomic emission spectrometry (ICP-AES).
This document applies to the determination of the content of cobalt, copper, chromium, iron, niobium, and nickel in high-temperature shape memory alloys.
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Document preview — YS/T 1781.3-2025
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 15
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies a method for determining the content of cobalt, copper, chromium, iron, niobium, and nickel in high-temperature shape memory alloys using inductively coupled plasma atomic emission spectrometry (ICP-AES). This document applies to the determination of the content of cobalt, copper, chromium, iron, niobium, and nickel in high-temperature shape memory alloys. The determination range (mass fraction) for cobalt, copper, chromium, iron, and niobium is 0.0050%�C0.50%, and the determination range (mass fraction) for nickel is 1.00%�C10.00%.
Document data
International classification (ICS): 77.120.99.
Chinese classification (CCS): H15.
Estimated length of the Chinese original: 20,245 words.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.
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Related Standards
YS/T 1781.1-2025 — Chemical Analysis of High-Temperature Shape Memory Alloys - Part 1: Determination of Palladium Content - Dimethylglyoxime Gravimetric Method
YS/T 1781.2-2025 — Chemical Analysis of High-Temperature Shape Memory Alloys - Part 2: Determination of Nickel Content - Dimethylglyoxime Gravimetric Method
YS/T 1781.4-2025 — Chemical Analysis of High-Temperature Shape Memory Alloys - Part 4: Determination of Trace Impurity Elements - Inductively-Coupled Plasma Mass Spectrometry
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