Determination method of nitrate nitrogen
Determination method of nitrate nitrogen, Total:13 items.
The international standard classification for "Determination method of nitrate nitrogen" includes: Water quality .
The Chinese standard classification for "Determination method of nitrate nitrogen" includes: Environmental Quality Standard for atmosphere, water and soil , Analysis methods for toxic substances in water .
Professional Standard - Environmental Protection
- HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
- HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
Hubei Provincial Standard of the People's Republic of China
- DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry
Ministry of Ecology and Environment of the People's Replublic of China
- GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid
Professional Standard - Urban Construction
- CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
Gosstandart of Russia
- GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
National Standardisation Body (ASRO)
- STAS SR ISO 7408:1993 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method
Danish Standards Foundation
- DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
Standards Norway
- NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
- NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
Swedish Institute for Standards
- SS 28133:1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
Yugoslav Association for Standardization
- JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
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