GB/T 13840-1992
Abolished
GB/T 25933-2010
Active
National standards
GB/T 25933-2010 High-purity gold
GB/T 25933-2010 High-purity gold
Basic Information
Standard Code:
GB/T 25933-2010
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Precious metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2010-12-23
Implement Date:
2011-09-01
Pages:
5 pages
Scope
This standard specifies the requirements for high-purity gold, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates, and the contents of purchase orders.
This standard applies to gold produced by refining processes with a total impurity content of less than 10×10−6.
Development Information
Referenced Standards
GB/T 25934.1-2010 Methods for chemical analysis of high purity gold—Part 1:Ethyl acetate extraction separation-inductively coupled plasma-atomic emission spectrometry—Determination of impurity elements contents
GB/T 25934.2-2010 Methods for chemical analysis of high purity gold—Part 2:Inductively coupled plasma mass spectrometry-standard enter emendation-inner standard method—Determination of impurity elements contents
GB/T 25934.3-2010 Methods for chemical analysis of high purity gold—Part 3:Ethylether extraction separation-inductively coupled plasma-atomic emission spectrometry—Determination of impurity elements contents
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