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ISO 4940:1985

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

Publication date:   Dec 19, 1985

General information

90.92 Standard to be revised   Jul 3, 2023

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

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

NOW

PUBLISHED
ISO 4940:1985
90.92 Standard to be revised
Jul 3, 2023

REVISED BY

IN_DEVELOPMENT
ISO/CD 4940