GB 5751-1986
Replaced
GB/T 4633-2014
Active
National standards
GB/T 4633-2014 Determination of fluorine in coal
GB/T 4633-2014 Determination of fluorine in coal
Basic Information
Standard Code:
GB/T 4633-2014
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Coal analysis methods
ICS Name:
\nCoal
Publish Date:
2014-06-09
Implement Date:
2014-10-01
Pages:
9 pages
Scope
This standard specifies the method outline, reagents and materials, instrumentation and equipment, determination steps, result calculation, method precision, and test reports for determining the fluoride content in coal using the high-temperature combustion hydrolysis fluoride ion selective electrode (referred to as the fluoride electrode) method.
This standard is applicable to lignite, bituminous coal, and anthracite.
Development Information
Replace the following standards
Referenced Standards
GB/T 483-1998 General rules for analytical and testing methods of coal
GB/T 483-2007 General rules for analytical and testing methods of coal
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
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