Ferromanganese,ferromanganese-silicon,nitrogen-bearing ferromanganese and manganese metal—Determination of manganese content—Potentiometric method and titrimetric mothod after ammonium nitrate & perchloric acid oxidation
NORMA vydaná dňa 13.5.2008
Designation standards: GB/T 5686.1-2008
Note: NEPLATNÁ
Publication date standards: 13.5.2008
Country: Chinese technical standard
Kategória: Technické normy GB