GB 438-1977
Abolished
YB/T 4989-2022
Active
Industry standards-Black metallurgy
YB/T 4989-2022 Determination of Content of Coke Oven Gas and Coal Tar in Coal Tar by Spectrophotometry
YB/T 4989-2022 Determination of Content of Coke Oven Gas and Coal Tar in Coal Tar by Spectrophotometry
Basic Information
Standard Code:
YB/T 4989-2022
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Coal tar processing products
ICS Name:
Gas fuel
Publish Date:
2022-09-30
Implement Date:
2023-04-01
Scope
This document specifies the reagents and materials, instruments and equipment, testing procedures, test results, allowable deviations, and test reports for determining the content of coal tar in coke oven gas. This document is applicable to the determination of the content of coal tar in coke oven gas.
Development Information
Related Standards
GB/T 9169-1988
Replaced
GB/T 9169-1988 Jet fuels—Determination of thermal oxidation stability—JFTOT method
GB/T 12209.2-1990
Replaced
GB/T 12209.2-1990 Determination of naphthalene of gas in urban area—Gas chromatographic method
GB/T 12210-1990
Replaced
GB/T 12210-1990 Determination for ammonia of gas in urban area
GB/T 12211-1990
Replaced
GB/T 12211-1990 Determination of hydrogen sulfide of gas in urban area
GB/T 12574-1990
Replaced