- Standard No.
- HJ 195-2023
- Language
- Chinese, Available in English version
- Release Date
- 2023
- Published By
- Professional Standard - Agriculture
- Latest
-
HJ 195-2023
- Replace By
-
HJ/T 195-2005
- Scope
- This standard specifies the gas phase molecular absorption spectrometry method for the determination of ammonia nitrogen in water. This standard is applicable to the determination of ammonia nitrogen (measured in N) in surface water, groundwater, domestic sewage, industrial wastewater and seawater. The detection limit of the method is 0.02 mg/L, and the lower determination limit is 0.08 mg/L.
HJ 195-2023 history
- 2023 HJ 195-2023 Determination of ammonia nitrogen in water quality by gas phase molecular absorption spectrometry
HJ 195-2023 Determination of ammonia nitrogen in water quality by gas phase molecular absorption spectrometry was changed to HJ/T 195-2005 Water quality - Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry.