ISO 4937:2024
International Standard
Current Edition
·
Approved on
02 December 2024
Steel and iron — Determination of chromium content — Potentiometric or visual titration method
ISO 4937:2024 Files
English
15 Pages
Current Edition
47.74 OMR
ISO 4937:2024 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.
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