Germanium
Germanium, Total:4 items.
The international standard classification for "Germanium" includes: Chemical analysis , Coals , Metalliferous minerals .
The Chinese standard classification for "Germanium" includes: Basic standards and general methods , Coal analysis methods , Precious metal ore .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 37211.3-2022 Method for chemical analysis of metal germanium—Part 3: Determination of trace impurity elements content—Glow discharge mass spectrometry
- GB/T 14352.24-2022 Methods for chemical analysis of tungsten ores and molybdenum ores—Part 24: Determination of germanium conten—Inductively coupled plasma mass spectrometry
- GB/T 41042-2021 Guidance for utilization and classification of content of valuable elements in coal
- GB/T 42518-2023 Bismuth germanate (BGO) crystal—Chemical analysis of trace elements—Glow discharge mass spectrometry
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