GB 5751-1986
Replaced
GB/T 20475.5-2020
Active
National standards
GB/T 20475.5-2020 Classification for content of harmful elements in coal—Part 5:Fluorine
GB/T 20475.5-2020 Classification for content of harmful elements in coal—Part 5:Fluorine
Basic Information
Standard Code:
GB/T 20475.5-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Solid fuel mine
ICS Name:
\nCoal
Publish Date:
2020-03-06
Implement Date:
2020-10-01
Pages:
3 pages
Scope
This part of GB/T 20475 specifies the classification, naming, and designation of coal based on the fluorine content (w(Fd)) in the dry basis, as well as the sampling, preparation, and determination of coal samples.
This part is applicable to coal exploration, production and processing, sales, and utilization.
Development Information
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 4633-1997 Determination of fluorine in coal
GB/T 4633-2014 Determination of fluorine in 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 1034-2006 MT/T 1034-2006 Production Coal Sample Collection Method
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