DZ/T 0064.70-1993
Groundwater quality inspection method - Determination of chemical oxygen demand by dichromate oxidation method (English Version)

Standard No.

DZ/T 0064.70-1993

Language

Chinese, Available in English version

Release Date

1993

Published By

Professional Standard - Geology

Status

Withdraw 2021-07

Replace By

DZ/T 0064.70-2021

Latest

DZ/T 0064.70-2021

Scope

This standard specifies the method for determination of chemical oxygen demand by dichromate oxidation method. This standard is applicable to the determination of chemical oxygen demand in severely polluted groundwater. The measurement results are expressed as oxygen mass concentration. The measurement range is 40~500mg/LCOD.

DZ/T 0064.70-1993 history

• 1970 DZ/T 0064.70-2021 Methods of Analytical Groundwater Quality Part 70: Determination of Oxygen Consumption by Potassium Dichromate Titration
• 1993 DZ/T 0064.70-1993 Groundwater quality inspection method - Determination of chemical oxygen demand by dichromate oxidation method