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ISO 4940:2025

Steel and cast iron — Determination of nickel content — Flame atomic absorption spectrometric method

Publication date:   Jul 25, 2025

General information

60.60   Standard published   Jul 25, 2025

ISO

ISO/TC 17/SC 1 Methods of determination of chemical composition

International Standard

77.080.01   Ferrous metals in general

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Scope

This document specifies a flame atomic absorption spectrometric method (FAAS) for the determination of nickel content in steel and cast iron.
The method is applicable to nickel contents in the range of 0,002 % (mass fraction) to 0,5 % (mass fraction).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4940:1985

NOW

PUBLISHED
ISO 4940:2025
60.60 Standard published
Jul 25, 2025