GB 5751-1986
Replaced
GB/T 12937-2008
Active
National standards
GB/T 12937-2008 Terms relating to coal petrology
GB/T 12937-2008 Terms relating to coal petrology
Basic Information
Standard Code:
GB/T 12937-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nCoal rock
ICS Name:
\nCoal
Publish Date:
2008-09-18
Implement Date:
2009-04-01
Pages:
21 pages
Scope
This standard specifies the related terms and concepts of macroporous, microporous, and analytical methods for the study of lignite coal petrology. This standard is applicable to lignite, bituminous coal, and anthracite.
Development Information
Replace the following standards
Adopt standards
ISO 7404-1:1994
Related Standards
GB 481-1993
abolished_transferred
GB 481-1993 Sampling method of coal sample for production
GB/T 15223-1994
Replaced
GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method
GB/T 15224.1-1994
Replaced
GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal
GB/T 15224.2-1994
Replaced
GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal
GB/T 15224.3-1994
Replaced