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Nitrate and nitrite nitrogen

Nitrate and nitrite nitrogen, Total:4 items.

In the international standard classification, Nitrate and nitrite nitrogen involves: Soil quality. Pedology, Water quality.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Nitrate and nitrite nitrogen

• GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
• GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen

Association Francaise de Normalisation, Nitrate and nitrite nitrogen

• NF EN ISO 13395:1996 Qualité de l'eau - Détermination de l'azote nitreux et de l'azote nitrique et de la somme des deux par analyse en flux (CFA et FIA) et détection spectrométrique
• NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.

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