Determination of nitrate nitrogen by ultraviolet spectrophotometry

Determination of nitrate nitrogen by ultraviolet spectrophotometry, Total:18 items.

In the international standard classification, Determination of nitrate nitrogen by ultraviolet spectrophotometry involves: Water quality, General methods of tests and analysis for food products, Meat, meat products and other animal produce, Fertilizers, Soil quality. Pedology, Vocabularies, Inorganic chemicals.

Professional Standard - Water Conservancy, Determination of nitrate nitrogen by ultraviolet spectrophotometry

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

Professional Standard - Environmental Protection, Determination of nitrate nitrogen by ultraviolet spectrophotometry

• HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry
• HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of nitrate nitrogen by ultraviolet spectrophotometry

• GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
• GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
• GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
• GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
• GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
• GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates
• GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid

Professional Standard - Agriculture, Determination of nitrate nitrogen by ultraviolet spectrophotometry

• NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer
• NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method

中華人民共和國(guó)環(huán)境保護(hù)部, Determination of nitrate nitrogen by ultraviolet spectrophotometry

• GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
• GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid

YU-JUS, Determination of nitrate nitrogen by ultraviolet spectrophotometry

• JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

Group Standards of the People's Republic of China, Determination of nitrate nitrogen by ultraviolet spectrophotometry

• T/QAS 035-2021 Determination of nitrate in brine by ultraviolet spectrophotometry
• T/QAS 082.3-2022 Chemical Analysis of Rock Salt and Glauber's Salt Part 3: Determination of Nitrate by Ultraviolet Spectrophotometry

NL-NEN, Determination of nitrate nitrogen by ultraviolet spectrophotometry

• NEN 6581-1985 Rain water - UV-photometric determination of nitrate content

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