GB/T 17418.4-1998

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

NORMA vydána dne 17.6.1998

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The information about the standard:

Designation standards: GB/T 17418.4-1998
Note: NEPLATNÁ
Publication date standards: 17.6.1998
Country: Chinese technical standard
Kategorie: Technické normy GB