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Nitrate Nitrogen Determination Spectrophotometric Method

Nitrate Nitrogen Determination Spectrophotometric Method, Total:9 items.

In the international standard classification, Nitrate Nitrogen Determination Spectrophotometric Method involves: Water quality.

中华人民共和国环境保护部, Nitrate Nitrogen Determination Spectrophotometric Method

• 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

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Nitrate Nitrogen Determination Spectrophotometric Method

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

Professional Standard - Urban Construction, Nitrate Nitrogen Determination Spectrophotometric Method

• 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

Professional Standard - Water Conservancy, Nitrate Nitrogen Determination Spectrophotometric Method

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

YU-JUS, Nitrate Nitrogen Determination Spectrophotometric Method

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

Professional Standard - Environmental Protection, Nitrate Nitrogen Determination Spectrophotometric Method

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

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