
Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron (II) sulphate titrimetric method
NORMA vydaná dňa 11.9.2002
Designation standards: GB/T 1506-2002
Note: NEPLATNÁ
Publication date standards: 11.9.2002
Country: Chinese technical standard
Kategória: Technické normy GB