
Manganese ores--Determination of total iron content--Potassium dichromate titrimetric method and 110-phenanthroline spectrophotometric method
NORMA vydaná dňa 11.9.2002
Designation standards: GB/T 1508-2002
Publication date standards: 11.9.2002
Country: Chinese technical standard
Kategória: Technické normy GB