Objavljen
ISO 4689-2:2017 specifies a combustion/titration method for the determination of the sulfur content of iron ores.
This method is applicable to sulfur contents between 0,002 % (mass fraction) and 0,25 % (mass fraction) in natural iron ores, iron ore concentrates, and agglomerates, including sinter products. The results are not affected by the presence of fluoride.
POVUČEN
ISO 4689-2:2015
OBJAVLJEN
ISO 4689-2:2017
90.93
Odluka o potvrđivanju standarda
24. 6. 2022.
Rude gvožđa – Određivanje sadržaja sumpora – Deo 2: Metoda sagorevanja/titracije
90.93 Odluka o potvrđivanju standarda