GB/T 3135-1982
abolished_transferred
YS/T 639-2007
Replaced
Industry standards-Non-ferrous metals
YS/T 639-2007 Pure molybdenum trioxide
YS/T 639-2007 Pure molybdenum trioxide
Basic Information
Standard Code:
YS/T 639-2007
Standard Type:
Industry standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Oxides, elemental substances
ICS Name:
Oxide
Publish Date:
2007-04-13
Implement Date:
2007-10-01
Pages:
5 pages
Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, storage, transportation, and contractual content for pure molybdenum trioxide.
This standard applies to pure molybdenum trioxide produced by the ammonium molybdate decomposition method and other methods.
Development Information
Superseded by the following standards
Related Standards
GB/T 3501-1983
Abolished
GB/T 3501-1983 Technical requirements of superfine ruthenium dioxide hydrate powder
GB/T 3502-1983
Abolished
GB/T 3502-1983 Technical requirements of super fine palladium oxide powder
GB/T 5236-1985
abolished_transferred
GB/T 5236-1985 Antimony trisulfide
GB/T 7315.1-1987
abolished_transferred
GB/T 7315.1-1987 Methods for chemical analysis of vanadium pentoxide—The potassium permanganate oxidation-ammonium ferrous sulfate titrimetric method for the determination of vanadium pentoxide content
GB/T 7315.2-1987
abolished_transferred