Objavljen
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.
POVUČEN
ISO 4937:1986
OBJAVLJEN
ISO 4937:2024
60.60
Standard objavljen
2. 12. 2024.
Čelik i gvožđe – Određivanje sadržaja hroma – Potenciometrijska ili vizuelna metoda titracije
60.60 Standard objavljen