GB/T 12690.1-2022

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1Determination of carbon and sulfur contents—High frequency-infrared absorption method

NORMA vydána dne 30.12.2022

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The information about the standard:

Designation standards: GB/T 12690.1-2022
Publication date standards: 30.12.2022
Country: Chinese technical standard
Kategorie: Technické normy GB