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Determination of total nitrogen by UV spectroscopy

Determination of total nitrogen by UV spectroscopy, Total:9 items.

In the international standard classification, Determination of total nitrogen by UV spectroscopy involves: Water quality, Vocabularies, Soil quality. Pedology, Fertilizers, Environmental protection.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of total nitrogen by UV spectroscopy

• GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
• GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method

Professional Standard - Environmental Protection, Determination of total nitrogen by UV spectroscopy

• HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
• HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry
• HJ/T 42-1999 Stationary source emission.Determination of nitrogen oxide.Ultraviolet spectrophotometric method

中华人民共和国环境保护部, Determination of total nitrogen by UV spectroscopy

• GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method

Professional Standard - Water Conservancy, Determination of total nitrogen by UV spectroscopy

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

Professional Standard - Agriculture, Determination of total nitrogen by UV spectroscopy

• NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method

Danish Standards Foundation, Determination of total nitrogen by UV spectroscopy

• DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection

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