DB65/T 3950-2016
Water quality-Determination of anionic surfactants in water-Flow Injection-Spectrophotometric method (English Version)
- Standard No.
- DB65/T 3950-2016
- Language
- Chinese, Available in English version
- Release Date
- 2016
- Published By
- Xinjiang Provincial Standard of the People's Republic of China
- Latest
- DB65/T 3950-2016
- Scope
- This standard specifies the method principle, interference and elimination, reagents, instruments, samples, analysis steps, calculation and expression of analysis results, precision and accuracy, quality assurance and quality control for the determination of anionic synthetic detergents in water by flow injection online extraction. , precautions and other contents. This standard is applicable to the determination of anionic synthetic detergents in drinking water, surface water and domestic sewage. This standard uses sodium dodecylbenzene sulfonate as the standard, and the minimum detection mass concentration is 0.01mg/L. Substances that can react with methylene blue will interfere with this standard. Phenol, organic sulfur hydrochloric acid, sulfonates, phosphates, and large amounts of oxides (2000mg), nitrates (5000mg), thiocyanates, etc. can all cause high results.
DB65/T 3950-2016 history
- 2016 DB65/T 3950-2016 Water quality-Determination of anionic surfactants in water-Flow Injection-Spectrophotometric method
