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Determination of Nitrate Nitrogen Spectrophotometric Method

Determination of Nitrate Nitrogen Spectrophotometric Method, Total:6 items.

The international standard classification for "Determination of Nitrate Nitrogen Spectrophotometric Method" includes: Water quality .

The Chinese standard classification for "Determination of Nitrate Nitrogen Spectrophotometric Method" includes: Analysis methods for toxic substances in water , Environmental Quality Standard for atmosphere, water and soil .


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 - Urban Construction

  • CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
  • CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method

Professional Standard - Environmental Protection

  • HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry

Professional Standard - Water Conservancy

  • SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)