GB 5751-1986
Replaced
T/CNCA 063-2024
Active
Group standards
T/CNCA 063-2024 Determination of true density of coal—Helium pycnometer
T/CNCA 063-2024 Determination of true density of coal—Helium pycnometer
Price:
$ 29.00
Basic Information
Standard Code:
T/CNCA 063-2024
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Coal analysis methods
ICS Name:
\nCoal
Publish Date:
2024-06-12
Implement Date:
2024-10-01
Pages:
12 pages
Scope
This document specifies the method outline, reagents and materials, instrumentation, preparation before measurement, measurement steps and requirements, result calculation, method precision, and test report for determining the true density of coal using the helium displacement method.
This document is applicable to the determination of the true density of anthracite, bituminous coal, and lignite.
Development Information
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