GB/T 223.91-2021

Iron, steel and alloy—Determination of copper—2,2’-Biquinoline spectrophotometric method

NORMA vydána dne 20.8.2021

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The information about the standard:

Designation standards: GB/T 223.91-2021
Publication date standards: 20.8.2021
Country: Chinese technical standard
Kategorie: Technické normy GB