Taiwan Provincial Standard of the People's Republic of China
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CNS 3752-1981
Scope
This standard is applicable to the testing method of chemical oxygen demand (CODcr) of factory wastewater, household sewage, river sewage, and other sewage.
CNS 3752-1981 history
1981CNS 3752-1981 Method of Test for Chemical Oxygen Demand (CODcr) in Water (Patassium Dichromate Method)