GB 5751-1986
Replaced
GB/T 20475.4-2012
Active
National standards
GB/T 20475.4-2012 Classification for content of harmful elements in coal—Part 4:Mercury
GB/T 20475.4-2012 Classification for content of harmful elements in coal—Part 4:Mercury
Basic Information
Standard Code:
GB/T 20475.4-2012
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Solid fuel mine
ICS Name:
\nCoal
Publish Date:
2012-12-31
Implement Date:
2013-10-01
Pages:
4 pages
Scope
This standard specifies the classification, naming, and designation of coal based on the range of its dry basis mercury content (w(Hgd)), as well as the requirements for mercury content in the production, processing, and utilization of coal.
This standard applies to coal exploration, production and processing, sales, and utilization.
Development Information
Same series standard
Referenced Standards
GB 474-1996 Preparation of coal sample
GB/T 474-2008 Method for preparation of coal sample
GB 475-1996 Sampling for commercial coal
GB/T 475-2008 Method for manual sampling of commercial coal
GB 482-1995 Sampling of coal in seam
GB/T 482-2008 Sampling of coal seams
GB/T 16659-1996 Determination of mercury in coal
GB/T 16659-2008 Determination of mercury in coal
GB/T 16659-2024 Determination of mercury of coal
GB/T 19494.1-2004 Mechanical sampling of coal—Part 1:Method for sampling
GB/T 19494.1-2023 Mechanical sampling of coal—Part 1:Method for sampling
GB/T 19494.2-2004 Mechanical sampling of coal—Part 2:Method for sample preparation
GB/T 19494.2-2023 Mechanical sampling of coal—Part 2:Method for sample preparation
MT/T 988-2006 MT/T 988-2006 Constant Speed Trackless Truck
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