Manganese metal, ferromanganese - silicon, ferromanganese and nitrogen - bearing ferromanganese - Determination of iron content - The ortho - phenanthrdine spectrophotometric method and the titanium trichloride - potassium dichromate titrimetric method
NORMA vydána dne 11.9.2007
Designation standards: GB/T 8654.1-2007
Publication date standards: 11.9.2007
Country: Chinese technical standard
Kategorie: Technické normy GB