Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of silicon content—Molybdenum blue spectrophotometric method, silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimetric method
STANDARD published on 12.10.2022
Designation standards: GB/T 5686.2-2022
Publication date standards: 12.10.2022
Country: Chinese technical standard
Category: Technical standards GB