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ISO 4937:2024

Steel and iron — Determination of chromium content — Potentiometric or visual titration method ISO 4937:2024

Publication date:   Dec 2, 2024

General information

60.60   Standard published   Dec 2, 2024

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

This document specifies a method for the determination of chromium in steel and iron by potentiometric or visual titration.
The method is applicable to chromium contents between 0,25 % (mass fraction) and 35 % (mass fraction). If vanadium is present, the visual titration is applicable only to test portions containing less than 3 mg of vanadium.
NOTE   The visual titration can be applicable to test portion containing between 3 mg and 6 mg of vanadium.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4937:1986

NOW

PUBLISHED
ISO 4937:2024
60.60 Standard published
Dec 2, 2024




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