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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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