NBN 438-1957
Determination of manganese content in steel and pig iron. Ammonium sulfate method

Standard No.

NBN 438-1957

Release Date

1957

Published By

BE-NBN

Latest

NBN 438-1957

NBN 438-1957 history

• 1957 NBN 438-1957 Determination of manganese content in steel and pig iron. Ammonium sulfate method