Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
NORM herausgegeben am 1.12.1981
Bezeichnung normen: ISO 619:1981-ed.2.0
Ausgabedatum normen: 1.12.1981
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
Description / Abstract: Method I is applicable to manganese ores having chromium contents less than 0.1 % (m/m), method II is applicable to manganese ores having chromium contents greater than 0.1 % (m/m). This second edition cancels and replaces the first edition (i.e. ISO 619-1975). Should be read in conjunction with ISO 4297.