- Standard No.
- DL/T 502.21-2006
- Language
- Chinese, Available in English version
- Release Date
- 2006
- Published By
- Professional Standard - Electricity
- Latest
-
DL/T 502.21-2006
- Replace
-
DL 502-1992
- Scope
- This part of DL/T 502 specifies the method for determination of residual chlorine in boiler water and cooling water. This section is applicable to the determination of water samples with residual chlorine content in boiler water and cooling water between 0.01 mg/L and 2.00 mg/L.
DL/T 502.21-2006 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 502.21-2006 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 502.21-2006 Analytical methods of steam and water in power plants.Part 21: Determination of chlorine residual (Colorimetric method) has been changed from DL 502-1992 Water and steam test methods for thermal power plants Determination of low turbidity.