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See Chinese contents: GB/T 223.54-2022 GB/T 223.54-2022: Iron, steel and alloy - Determination of nickel content - Flame atomic absorption spectrometric method
This document specifies the method for the determination of nickel content in steel and cast iron by the flame atomic absorption spectrometric method. This document is applicable to the determination of nickel content with a mass fraction of 0.002% ~ 5.0%.
