Objavljen
The method is applicable to chromium ores with iron content of 0,5 to 32 % (m/m). Should be read in conjunction with ISO 6629. Specifies principle, reagents, apparatus, sampling and samples, procedure and expression of results. Includes a warning to the dangers involved in the use of perchloric acid and hydrofluoric acid.
OBJAVLJEN
ISO 6130:1985
90.93
Odluka o potvrđivanju standarda
25. 3. 2022.
NAPUŠTEN
ISO/WD 6130
Rude i koncentrati - Rude hroma - Određivanje sadržaja ukupnog gvožđa - Volumetrijska metoda
95.99 Povučen