GB 5751-1986
Replaced
GB/T 30043-2013
Active
National standards
GB/T 30043-2013 Coal direct liquefaction—Determination of softening point of liquefaction residue—Ring and ball apparatus
GB/T 30043-2013 Coal direct liquefaction—Determination of softening point of liquefaction residue—Ring and ball apparatus
Basic Information
Standard Code:
GB/T 30043-2013
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Coal analysis methods
ICS Name:
\nCoal
Publish Date:
2013-12-17
Implement Date:
2014-05-01
Pages:
7 pages
Scope
This standard specifies the terms and definitions, method outline, reagents and materials, instruments and equipment, measurement steps, method precision, and test reports for determining the softening point of coal liquefaction residues using the universal method.
This standard is applicable to coal direct liquefaction residues with a softening point of less than 220 °C.
Development Information
Referenced Standards
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