GB/T 19224-2003
Determining the relative degree of oxidation in bituminous coal (English Version)
- Standard No.
- GB/T 19224-2003
- Language
- Chinese, Available in English version
- Release Date
- 2003
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2018-04
- Replace By
- GB/T 19224-2017
- Latest
- GB/T 19224-2017
- Scope
- This standard specifies the method summary, reagents and materials, instruments and equipment, measurement steps, result calculation and method precision for determining the relative oxidation degree of bituminous coal based on the chromaticity of the bituminous coal alkali extraction solution. This standard applies to bituminous coal for coking. This standard is only applicable to the determination of the degree of oxidation of coking bituminous coal oxidized under natural conditions.
GB/T 19224-2003 history
- 2017 GB/T 19224-2017 Determination of the relative degree of oxidation in bituminous coal
- 2003 GB/T 19224-2003 Determining the relative degree of oxidation in bituminous coal