ISO 4940:1985

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

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.