Manganese ores and concentrates — Determination of total iron content — Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
NORMA vydaná dňa 12.12.1985
Designation standards: ISO 7990:1985
Publication date standards: 12.12.1985
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Kategória: Technické normy ISO