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YS/T 1781.4-2025Chemical Analysis of High-Temperature Shape Memory Alloys - Part 4: Determination of Trace Impurity Elements - Inductively-Coupled Plasma Mass Spectrometry (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 1781.4-2025 (Chemical Analysis of High-Temperature Shape Memory Alloys - Part 4: Determination of Trace Impurity Elements - Inductively-Coupled Plasma Mass Spectrometry) is available as an English-translated PDF.

YS/T 1781.4-2025 — This standard specifies a method for determining the content of chromium, manganese, iron, cobalt, zirconium, niobium, tin, antimony, lead, and bismuth in high-temperature shape memory alloys using inductively coupled plasma mass spectrometry (ICP-MS).

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Document preview — YS/T 1781.4-2025

National Standard of the People's Republic of China

ICS: 77.120.99
Classification: H 15

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies a method for determining the content of chromium, manganese, iron, cobalt, zirconium, niobium, tin, antimony, lead, and bismuth in high-temperature shape memory alloys using inductively coupled plasma mass spectrometry (ICP-MS). This document applies to the determination of the content of chromium, manganese, iron, cobalt, zirconium, niobium, tin, antimony, lead, and bismuth in high-temperature shape memory alloys, with a determination range (mass fraction) of 0.0005% to 0.010%.

Document data

International classification (ICS): 77.120.99.

Chinese classification (CCS): H15.

Estimated length of the Chinese original: 22,254 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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