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organic carbon nitrogen

organic carbon nitrogen, Total:23 items.

In the international standard classification, organic carbon nitrogen involves: Soil quality. Pedology, Water quality, Farming and forestry, Analytical chemistry.

British Standards Institution (BSI), organic carbon nitrogen

• BS ISO 23400:2021 Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soils at field scale
• 20/30399864 DC BS ISO 23400. Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soil at field scale
• BS EN ISO 20236:2021 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN_b) and dissolved bound nitrogen (DN_b) after high temperature catalytic oxidative combustion

International Organization for Standardization (ISO), organic carbon nitrogen

• ISO 23400:2021 Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soils at field scale
• ISO 21793:2020 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved boun
• ISO 20236:2018 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
• ISO/CD 20236 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
• ISO/DIS 20236:2023 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion

Association Francaise de Normalisation, organic carbon nitrogen

• NF ISO 23400:2021 Lignes directrices pour la détermination des stocks de carbone organique et d'azote et de leurs variations dans les sols minéraux à l'échelle d'une parcelle
• NF T90-236*NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
• NF EN ISO 20236:2021 Qualité de l'eau - Dosage du carbone organique total (COT), carbone organique dissous (COD), azote lié total (TNb) et azote lié dissous (DNb) après combustion catalytique oxydante à haute température

Danish Standards Foundation, organic carbon nitrogen

• DS/ISO 23400:2021 Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soils at field scale

European Committee for Standardization (CEN), organic carbon nitrogen

• EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
• prEN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

未注明发布机构, organic carbon nitrogen

• BS EN ISO 20236:2021(2022) Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion

ES-UNE, organic carbon nitrogen

• UNE-EN ISO 20236:2022 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, organic carbon nitrogen

• GB/T 19143-2017 Analytical method of element for carbon,hydrogen ,oxygen and nitrogen in rock organics

AT-ON, organic carbon nitrogen

• OENORM EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

German Institute for Standardization, organic carbon nitrogen

• DIN EN ISO 20236:2023 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN) and dissolved bound nitrogen (DN) after high temperature catalytic oxidative combustion (ISO 20236:2018)
• DIN EN ISO 20236:2023-10 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO/DIS 2023...

Professional Standard - Forestry, organic carbon nitrogen

• LY/T 1237-1999 Determination of organic matter in forest soil and calculation carbon-nitrogen ratio

Professional Standard - Commodity Inspection, organic carbon nitrogen

• SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals

Hunan Provincial Standard of the People's Republic of China, organic carbon nitrogen

• DB43/T 2264-2021 Determination of the main elements of organic matter carbon, hydrogen, oxygen, nitrogen, sulfur adsorption separation - thermal conductivity method

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