Chromium ores — Determination of total iron content — Titrimetric method after reduction
NORMA vydaná dňa 7.11.1985
Označenie normy: ISO 6130:1985
Dátum vydania normy: 7.11.1985
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: 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.