HJ 1191-2021
Spectrophotometric method for the determination of water quality azide (English Version)
- Standard No.
- HJ 1191-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Professional Standard - Environmental Protection
- Latest
- HJ 1191-2021
- Scope
- This standard specifies a spectrophotometric method for the determination of azide in water. This standard is applicable to the determination of azide in surface water, groundwater, domestic sewage and industrial wastewater. When the sampling volume is 150 ml, the sample preparation volume is 100 ml, and a 10 mm optical path cuvette is used, the detection limit of the method is 0.08 mg/L (calculated as azide root), and the lower limit of determination is 0.32 mg/L ( Calculated as azide root).
HJ 1191-2021 Referenced Document
- HJ 164 Technical Specifications for Groundwater Environmental Monitoring
- HJ 91.1 Sewage Monitoring Technical Specifications
- HJ/T 91 Technical Specifications Requirements for Monitoring of Surface Water and Waste Water
HJ 1191-2021 history
- 2021 HJ 1191-2021 Spectrophotometric method for the determination of water quality azide
