HJ 551-2009
Water quality.Determination of chlorin dioxide.Iodometric method (English Version)
- Standard No.
- HJ 551-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Environmental Protection
- Status
- 2016-08
- Replace By
- HJ 551-2016
- Latest
- HJ 551-2016
- Scope
- This standard specifies the continuous titration iodometric method for the determination of chlorine dioxide and chlorite in textile dyeing and finishing industrial wastewater. This method is suitable for the determination of chlorine dioxide and chlorite in the sub-bleaching process of the textile dyeing and finishing industry and in wastewater containing a large amount of chlorite. When the sampling volume is 100ml, the detection limit of chlorine dioxide is 0.27mg/L.
HJ 551-2009 history
- 2016 HJ 551-2016 Water quality-Determination of chlorine dioxide and chlorite-Continuous iodometric method
- 2009 HJ 551-2009 Water quality.Determination of chlorin dioxide.Iodometric method
