General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 29422-2012
Scope
This standard specifies the treatment methods for heavy metals barium, chromium, mercury, copper, waste acid and waste alkali in cement chemical analysis waste liquid. This standard is applicable to the wastes discharged during the chemical analysis of cement.
GB/T 29422-2012 history
2012GB/T 29422-2012 Methods for dealing with the waste solution of chemical analysis of cement