STN 420621-21 (420621)

Chemical testing of non-ferrous metals and alloys. Chemical analysis of pure copper. Determination of silicon. Photometric method. Arbitration method

NORM herausgegeben am 1.6.1971

The information about the standard:

Designation standards: STN 420621-21
Classification mark: 420621
Catalog number: 61748
Note: UNGÜLTIG
Publication date standards: 1.6.1971
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN