HJ 536-2009
Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry (English Version)
- Standard No.
- HJ 536-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Environmental Protection
- Latest
- HJ 536-2009
- Replace
- GB/T 7481-1987
HJ 536-2009 history
- 2009 HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry has been changed from GB/T 7481-1987 Water quality--Determination of ammonium--Spectrophotometric method with salicylic acid.