GB/T 14352.20-2021

Methods for chemical analysis of tungsten ores and molybdenum ores—Part 20:Determination of niobium,tantalum,zirconium,hafnium and 15 rare earth elements content—Inductively coupled plasma mass spectrometry

STANDARD published on 9.3.2021

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The information about the standard:

Designation standards: GB/T 14352.20-2021
Publication date standards: 9.3.2021
Country: Chinese technical standard
Category: Technical standards GB