GB/T 2921-1982
Abolished
GB/T 4930-2008
Replaced
National standards
GB/T 4930-2008 Microbeam analysis—Electron probe microanalysis—Guidelines for the specification of certified reference materials(CRMs)
GB/T 4930-2008 Microbeam analysis—Electron probe microanalysis—Guidelines for the specification of certified reference materials(CRMs)
Basic Information
Standard Code:
GB/T 4930-2008
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Electrochemical, thermochemical, and optical analytical instruments
ICS Name:
Chemical reagents
Publish Date:
2008-04-11
Implement Date:
2008-10-01
Pages:
17 pages
Scope
This standard provides single-phase reference samples for electron probe analysis and stipulates that the reference samples shall only be used in microscopic analysis on flat polished surfaces. This standard does not include organic and biological reference samples.
Development Information
Replace the following standards
Superseded by the following standards
Referenced Standards
ISO 导则31:2000
Adopt standards
ISO 14595:2003
Related Standards
GB/T 2922-1982
Abolished
GB/T 2922-1982 Chemical reagents—Determination of specific surface area of solid supports used in chromatography
GB/T 3914-1983
Replaced
GB/T 3914-1983 Chemical reagents—The general rules of anodic stripping voltammetry
GB/T 673-1984
Replaced
GB/T 673-1984 Chemical reagent—Arsenic trioxide
GB/T 1263-1986
Replaced
GB/T 1263-1986 Chemical reagent—Disodium hydrogen phosphate dodecahydrate
GB/T 1292-1986
Replaced