GB/T 13840-1992
Abolished
GB/T 23522-2009
Replaced
National standards
GB/T 23522-2009 Germanium renewable raw materials
GB/T 23522-2009 Germanium renewable raw materials
Basic Information
Standard Code:
GB/T 23522-2009
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
\nRare dispersed metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2009-04-08
Implement Date:
2010-02-01
Pages:
5 pages
Scope
This standard specifies the quality requirements, test methods, inspection rules, marking, packaging, transportation, storage, and the content of purchase orders (or contracts) for recycled germanium raw materials.
This standard applies to recycled germanium raw materials that can be recovered from the production, processing, and use of germanium, and are used as raw materials for the production of germanium tetrachloride.
Development Information
Superseded by the following standards
Referenced Standards
GB 20664-2006 Limitation concentration of natural radioactivity in non-ferrous metal ores and concentrates products
GB/T 23523-2009 Determination of germanium content in germanium renewable raw materials
GB/T 23513.2-2009 Chemical analysis methods for germanium concentrate—Part 2:Determination of arsenic content—Ferrous ammonium sulfate titration
GB/T 23513.5-2009 Chemical analysis methods for germanium concentrate—Part 5:Determination of silica content—Gravimetry
YS/T 300-2008 Germanium concentrates
YS/T 300-2015 Germanium concentrates
YS/T 422.1-2024 Chemical Analysis Methods for Chromium Carbide - Part 1: Determination of Chromium Content by Ammonium Ferrous Sulfate Titration Method
Related Standards
GB/T 15677-1995
Replaced
GB/T 15677-1995 Lanthanum metal
GB/T 3136-1995
abolished_transferred
GB/T 3136-1995 Tantalum powders
GB/T 3463-1995
Abolished
GB/T 3463-1995 Tantalum wires
GB/T 3628-1995
Replaced
GB/T 3628-1995 Tantalum and tantalum alloy foils
GB/T 16476-1996
Replaced