ISO 4940:2025
ISO 4940:2025 Steel and cast iron - Determination of nickel content - Flame atomic absorption spectrometric method
standard byInternational Organization for Standardization , 07/01/2025
standard byInternational Organization for Standardization , 07/01/2025
This document specifies a flame atomic absorption spectrometric method (FAAS) for the determination of nickel content in steel and cast iron.
u000bThe method is applicable to nickel contents in the range of 0,002% (mass fraction) to 0,5% (mass fraction).