GB/T 3143-1982
Active
GB/T 22597-2014
Active
National standards
GB/T 22597-2014 Determination of chemical oxygen demand of reclaimed wastewater—Potassium dichromate method
GB/T 22597-2014 Determination of chemical oxygen demand of reclaimed wastewater—Potassium dichromate method
Basic Information
Standard Code:
GB/T 22597-2014
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods for water treatment agents
ICS Name:
Chemical analysis
Publish Date:
2014-12-05
Implement Date:
2015-05-01
Pages:
5 pages
Scope
This standard specifies the method for determining the chemical oxygen demand in recycled water.
This standard is applicable to the determination of the chemical oxygen demand (COD) in recycled water, with a measurement range of 5 mg/L to 100 mg/L (calculated in terms of O).
Development Information
Replace the following standards
Referenced Standards
GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
Related Standards
GB/T 4472-1984
Replaced
GB/T 4472-1984 General rule for determination of density and relative density for chemical products
GB/T 4946-1985
Replaced
GB/T 4946-1985 Terms of gas chromatography
GB/T 5274-1985
Replaced
GB/T 5274-1985 Gas analysis—Preparation of calibration gas mixtures—Weighing methods
GB/T 5831-1986
Replaced
GB/T 5831-1986 Determination of trace oxygen in the gases—Colorimetric method
GB/T 5832.2-1986
Replaced