Tantalum and its oxides. Spectral method for determination of tungsten, calcium, cobalt, copper, molybdenum and natrium
STANDARD published on 1.1.1990
Designation standards: GOST 18904.8-89
Publication date standards: 1.1.1990
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Russian technical standard
Category: Technical standards GOST