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How to measure organic nitrogen
How to measure organic nitrogen, Total:85 items.
In the international standard classification, How to measure organic nitrogen involves: Fertilizers, Paper and board, Analytical chemistry, Burners. Boilers, Occupational safety. Industrial hygiene, Organic chemicals, Farming and forestry, Water quality, Products of the textile industry, Soil quality. Pedology, Textile fibres, Tobacco, tobacco products and related equipment.
PL-PKN, How to measure organic nitrogen
HU-MSZT, How to measure organic nitrogen
Association Francaise de Normalisation, How to measure organic nitrogen
- NF U42-191:2019 Fertilizers - Nitrogenous fertilizers containing synthetic organic nitrogen - Determination of the types of nitrogen
- XP U42-730*XP CEN/TS 17771:2022 Organic and organo-mineral fertilizers - Determination of the nitrogen content
- XP CEN/TS 17771:2022 Engrais organiques et organo-minéraux - Détermination de la teneur en azote
- NF U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
- 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
- NF EN ISO 10695:2000 Qualité de l'eau - Dosage de certains composés organiques azotés et phosphorés sélectionnés - Méthodes par chromatographie en phase gazeuse
- NF T90-121*NF EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods
- 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
RU-GOST R, How to measure organic nitrogen
- GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
- GOST 26716-1985 Organic fertilizers. Methods for determination of ammonium nitrogen
- GOST 17444-1976 Reagents. Methods for determination of parent substance of organic nitrogen bearing compounds and salts of organic acids
- GOST 13301-1967 Organic chemical products. Method of test for microdetermination of nitrogen
- GOST 17444-2016 Reagents. Methods for determination of main substance of nitrogen containing organic compounds and salts of organic acids
- GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
Professional Standard - Agriculture, How to measure organic nitrogen
- NY/T 297-1995 Determination of Total Nitrogen in Organic Fertilizers
BE-NBN, How to measure organic nitrogen
- NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
European Committee for Standardization (CEN), How to measure organic nitrogen
- FprCEN/TS 17771-2021 Organic and organo-mineral fertilizers - Determination of the nitrogen content
- CEN/TS 17771:2022 Organic and organo-mineral fertilizers - Determination of the nitrogen content
- 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)
- EN ISO 10695:2000 Water Quality - Determination of Selected Organic Nitrogen and Phosphorus Compounds - Gas Chromatographic Methods ISO 10695: 2000
ES-UNE, How to measure organic nitrogen
- UNE-CEN/TS 17771:2022 Organic and organo-mineral fertilizers - Determination of the nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
- 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)
British Standards Institution (BSI), How to measure organic nitrogen
- PD CEN/TS 17771:2022 Organic and organo-mineral fertilizers. Determination of the nitrogen content
- BS 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
- BS ISO 23400:2021 Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soils at field scale
- BS EN ISO 10695:2000 Water quality. Determination of selected organic nitrogen and phosphorus compounds. Gas chromatographic methods
- 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
German Institute for Standardization, How to measure organic nitrogen
- DIN CEN/TS 17771:2022-07 Organic and organo-mineral fertilizers - Determination of the nitrogen content; German version CEN/TS 17771:2022
- 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 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000); German version EN ISO 10695:2000
- DIN EN ISO 10695:2000-11 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000); German version EN ISO 10695:2000
- 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...
Taiwan Provincial Standard of the People's Republic of China, How to measure organic nitrogen
- CNS 12590-1989 Method of Test for Organic Nitrogen in Paper and Paperboard
Hebei Provincial Standard of the People's Republic of China, How to measure organic nitrogen
- DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, How to measure organic nitrogen
- GB/T 41733-2022 Standard test method for determination of carbon residue of organic heat transfer fluids—Nitrogen charge method
- GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
- GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content
- GB/T 18412.5-2008 Textiles.Determination of the residues of pesticides.Part 5: Organic nitrogen pesticides
- GB/T 13595-2004 Tobacco and tobacco products Determination of pyrethroids,organophosphorus and nitrogen-containing pesticides residues
- GB/T 42490-2023 Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry
Occupational Health Standard of the People's Republic of China, How to measure organic nitrogen
- GBZ/T 160.78-2004 Methods for determination of organic nitrogen pesticides in the air of workplace
- GBZ/T 160.29-2004 Methods for determination of inorganic nitrogen compounds in the air workplace
CZ-CSN, How to measure organic nitrogen
- CSN 50 0393-1986 Determination of the content of or- ganic nitrogen in páper and paper- board
- CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
Professional Standard - Chemical Industry, How to measure organic nitrogen
- HG/T 4103-2009 Chemical reagent.General method for the determination of organic nitrogen compounds
Inner Mongolia Provincial Standard of the People's Republic of China, How to measure organic nitrogen
- DB15/T 1458-2018 Method for Determination of pH Value, Organic Acid and Ammonia Nitrogen in Silage
Professional Standard - Forestry, How to measure organic nitrogen
- LY/T 1237-1999 Determination of organic matter in forest soil and calculation carbon-nitrogen ratio
Tianjin Provincial Standard of the People's Republic of China, How to measure organic nitrogen
- DB12/T 1023-2020 Determination of total nitrogen content in organic fertilizers Dumas combustion method
International Organization for Standardization (ISO), How to measure organic nitrogen
- 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
- ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas-chromatographic methods
- ISO 23400:2021 Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soils at field scale
- ISO 20921:2019 Textiles — Determination of stable nitrogen isotope ratio in cotton fibres
- 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
未注明发布机构, How to measure organic 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
CU-NC, How to measure organic nitrogen
- NC 93-01-120-1988 Standards System for Envirorment Protection. Hydrosphere. Determination of Ammo-nial and Organic Nitrogen
RO-ASRO, How to measure organic nitrogen
- STAS 10204-1975 ORGANIC DYESTUFF DYIED TEXTILES Determination of colour fastness to nitrogen oxides
AT-ON, How to measure organic 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)
- ONORM M 6621-1994 Water analysis — Determination of selected organi? nitrogen and phosphorus Compounds, in particular pesticides, by gas chromatography after solid-liquid-extraction
American Society for Testing and Materials (ASTM), How to measure organic nitrogen
- ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
- ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
- ASTM E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
Korean Agency for Technology and Standards (KATS), How to measure organic nitrogen
- KS I ISO 10695:2006 Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
- KS I ISO 10695:2021 Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas chromatographic methods
- KS I ISO 10695-2006(2016) Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
KR-KS, How to measure organic nitrogen
- KS I ISO 10695-2021 Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas chromatographic methods
US-CFR-file, How to measure organic nitrogen
- CFR 2-180.430-2014 Grants and agreements. Part180:Omb guidelines to agencies on governmentwide debarment and suspension (nonprocurement). SubpartD:Responsibilities of federal agency officials regarding transactions. Section180.430:How do I check to see if a person is exclud
- CFR 40-60.5417-2013 Protection of Environment. Part60:Standards of performance for new stationary sources. Section60.5417:What are the continuous control device monitoring requirements for my storage vessel or centrifugal compressor affected facility?
NL-NEN, How to measure organic nitrogen
- NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
- NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
- NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
- NEN 6641-1983 Sludge - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
- NEN 6622-1988 Sludge - Determination of sand and other acidinsoluble material, and the fraction with a partiele size greater than 0,1 mm - Gravimetric method
Danish Standards Foundation, How to measure organic nitrogen
- DS/EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods
- DS/ISO 23400:2021 Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soils at field scale
Hunan Provincial Standard of the People's Republic of China, How to measure organic nitrogen
- DB43/T 2264-2021 Determination of the main elements of organic matter carbon, hydrogen, oxygen, nitrogen, sulfur adsorption separation - thermal conductivity method
Professional Standard - Commodity Inspection, How to measure organic nitrogen
- SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals
Lithuanian Standards Office , How to measure organic nitrogen
- LST EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000)
AENOR, How to measure organic nitrogen
- UNE-EN ISO 10695:2000 WATER QUALITY. DETERMINATION OF SELECTED ORGANIC NITROGEN AND PHOSPHORUS COMPOUNDS. GAS CHROMATOGRAPHY METHODS. (ISO 10695:2000)
Yunnan Provincial Standard of the People's Republic of China, How to measure organic nitrogen
- DB53/T 917-2019 Determination methods of carbon-nitrogen ratio, self-heating, ammonium-nitrate ratio and germination index in organic fertilizer maturity