ISO 4940:1985Withdrawn

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

Aciers et fontes — Dosage du nickel — Méthode par spectrométrie d'absorption atomique dans la flamme

This edition has been replaced by ISO 4940:2025.

Abstract / scope

The method is applicable to nickel contents between 0.002 % (m/m) and 0.5 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests, and Annex B represents the precision data graphically.

Life cycle

Replaced by

ISO 4940:2025PublishedSteel and cast iron — Determination of nickel content — Flame atomic absorption spectrometric methodInternational Standard · Published 25 Jul 2025 · ISO/TC 17/SC 1