GB/T 13840-1992
Abolished
GB/T 23517-2009
Replaced
National standards
GB/T 23517-2009 Ruthenium on activated carbon catalyst
GB/T 23517-2009 Ruthenium on activated carbon catalyst
Basic Information
Standard Code:
GB/T 23517-2009
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Precious metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2009-04-08
Implement Date:
2010-02-01
Pages:
9 pages
Scope
This standard specifies the requirements, test methods, inspection rules, and markings for ruthenium carbon, as well as its packaging, transportation, storage, and the content of purchase orders (or contracts).
This standard applies to ruthenium carbon used in fine chemicals, pharmaceuticals, environmental remediation, and other hydrogenation reduction processes.
Development Information
Superseded by the following standards
Referenced Standards
GB/T 10722-2003 Carbon black—Determination of total and external surface area by nitrogen adsorption
GB/T 10722-2014 Carbon black—Determination of total and external surface area—Nitrogen adsorption test method
YS/T 562-2009 Method for chemical analysis of precious metals alloys—Platinum-ruthenium alloys—Determination of ruthenium content—Thiourea spectrophotometry
YS/T 562-2006 Method for chemical analysis of platinum-ruthenium alloys
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