DL/T 502.22-2006
Analytical methods of steam and water in power plants Part.22: Determination of chemical oxygen demand (Potassium per-chlorate method) (English Version)

Standard No.

DL/T 502.22-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

Professional Standard - Electricity

Latest

DL/T 502.22-2006

Replace

DL 502-1992

Scope

This part of DL/T 502 specifies the method for determination of chemical oxygen consumption in boiler water and cooling water. The acidic method in this section is applicable to water samples with a chloride ion content less than 100 mg/L; the alkaline method is applicable to water samples with a chloride ion content greater than 100 mg/L.

DL/T 502.22-2006 Referenced Document

• DL/T 502.2 Analytical methods of steam and water in power plants Part 2: Sampling method for steam and water
• GB/T 6903 Analysis of water used in boiler and cooling system—General rule*， 2022-03-09 Update

DL/T 502.22-2006 history

• 0000 DL/T 502-2007
• 1992 DL 502-1992 Water and steam test methods for thermal power plants Determination of low turbidity

DL/T 502.22-2006 Analytical methods of steam and water in power plants Part.22: Determination of chemical oxygen demand (Potassium per-chlorate method) has been changed from DL 502-1992 Water and steam test methods for thermal power plants Determination of low turbidity.