GB/T 1998-1980
abolished_transferred
T/NAIA 0171-2022
Active
Group standards
T/NAIA 0171-2022 Road tunnel air purification coal-quality activated carbon
T/NAIA 0171-2022 Road tunnel air purification coal-quality activated carbon
Price:
$ 20.00
Basic Information
Standard Code:
T/NAIA 0171-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Solid fuel
Publish Date:
2022-11-28
Implement Date:
2022-11-29
Scope
Main technical content: This document specifies the technical requirements, test methods, inspection rules, and packaging, transportation, and storage for coal-based activated carbon used for air purification in highway tunnels. This document is applicable to coal-based activated carbon used for treating toxic and harmful components in the air of highway tunnels.
Development Information
Related Standards
GB/T 4511.1-1984
Replaced
GB/T 4511.1-1984 Coke—Determination of show porosity
GB/T 4511.3-1984
Replaced
GB/T 4511.3-1984 Coke—Determination of apparent relative density and total porosity
GB/T 4511.4-1984
Replaced
GB/T 4511.4-1984 Coke—Determination of true relative density
GB/T 8729-1988
Replaced
GB/T 8729-1988 Foundry coke
GB/T 9977-1988
Replaced