High purity substances. Method for concentration of microimpurities by extraction
NORMA vydána dne 1.7.1989
Designation standards: GOST 27868-88
Note: NEPLATNÁ
Publication date standards: 1.7.1989
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST