GB/T 12690.19-1990

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

NORM herausgegeben am 30.12.1990

The information about the standard:

Designation standards: GB/T 12690.19-1990
Note: UNGÜLTIG
Publication date standards: 30.12.1990
Country: Chinese technical standard
Kategorie: Technische Normen GB