GB/T 17418.4-1998

Methods for analysis of noble metals in geochemical samples—Determination of iridium content—Preconcentration by thiourea—Catalytic spectrophotometric method

NORM herausgegeben am 17.6.1998

The information about the standard:

Designation standards: GB/T 17418.4-1998
Note: UNGÜLTIG
Publication date standards: 17.6.1998
Country: Chinese technical standard
Kategorie: Technische Normen GB