GB/T 2022-1980
Replaced
GB/T 29422-2012
Active
National standards
GB/T 29422-2012 Methods for dealing with the waste solution of chemical analysis of cement
GB/T 29422-2012 Methods for dealing with the waste solution of chemical analysis of cement
Basic Information
Standard Code:
GB/T 29422-2012
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Cement
ICS Name:
Cement, gypsum, lime, and mortar
Publish Date:
2012-12-31
Implement Date:
2013-08-01
Pages:
6 pages
Scope
This standard specifies the treatment methods for heavy metals such as barium, chromium, mercury, and copper, as well as waste acid and waste alkali in the wastewater from cement chemical analysis.
This standard applies to the wastewater discharged during cement chemical analysis.
Development Information
Related Standards
GB/T 177-1985
Abolished
GB/T 177-1985 Test method for strength of hydraulic cement mortar
GB/T 6645-1986
Replaced
GB/T 6645-1986 Granulated electric furnace phosphorous slag used for cement production
GB/T 7897.1-1987
Replaced
GB/T 7897.1-1987 Test method of mechanical properties of mortar for ferrocement General principle
GB/T 7897.2-1987
Replaced
GB/T 7897.2-1987 Test method of mechanical properties of mortar for ferrocement Test of bending strength
GB/T 7897.3-1987
Replaced