GB/T 12690.19-1990

Rare-earth metals and their oxides--Determination of iron content--110-phenanthroline spectrophotometric method

NORMA vydána dne 30.12.1990

Anglicky a čínsky -
Elektronické PDF (5175.70 CZK)

The information about the standard:

Designation standards: GB/T 12690.19-1990
Note: NEPLATNÁ
Publication date standards: 30.12.1990
Country: Chinese technical standard
Kategorie: Technické normy GB