GB/T 223.70-1989

Methods for chemical analysis of iron, steel and alloy—The o-phenanthroline spectrophotometric method for the determination of iron content

NORMA vydána dne 31.3.1989

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The information about the standard:

Designation standards: GB/T 223.70-1989
Note: NEPLATNÁ
Publication date standards: 31.3.1989
Country: Chinese technical standard
Kategorie: Technické normy GB