Nitrate Nitrogen Determination Spectrophotometric Method
Nitrate Nitrogen Determination Spectrophotometric Method, Total:6 items.
The international standard classification for "Nitrate Nitrogen Determination Spectrophotometric Method" includes: Water quality .
The Chinese standard classification for "Nitrate Nitrogen Determination Spectrophotometric Method" includes: Environmental Quality Standard for atmosphere, water and soil , Analysis methods for toxic substances in water .
Professional Standard - Environmental Protection
- HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
中华人民共和国环境保护部
- GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
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
Professional Standard - Water Conservancy
- SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)
Professional Standard - Urban Construction
- CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
- CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
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