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DETotal Nitrogen and Ammonia Nitrogen
Total Nitrogen and Ammonia Nitrogen, Total:206 items.
In the international standard classification, Total Nitrogen and Ammonia Nitrogen involves: Photography, Fertilizers, Wastes, Construction materials, Water quality, Analytical chemistry, Milk and milk products, Animal feeding stuffs, Soil quality. Pedology, Coals, Wind turbine systems and other alternative sources of energy.
SCC, Total Nitrogen and Ammonia Nitrogen
- NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- BS DD CEN/TS 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- DIN EN 15750 E:2009 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
- AENOR UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- NS-EN 15476:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Devarda
- SN-CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- DANSK DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
- SN-CEN/TS 15476:2006 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Devarda
- DANSK DS/ISO 15604:2020 Fertilizers – Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- DANSK DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- DANSK DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- SN-CEN/TS 15559:2007 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Arnd
- NS-EN 15604:2009 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- 08/30179332 DC BS EN 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- SN-CEN/TS 15560:2007 Fertilizers — Determination of total nitrogen in calcium cyanamide nitrate free
- AENOR UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- NS-EN 15559:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Arnd
- AENOR UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- NS-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- NS-EN 15558:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Ulsch
- DANSK DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- BS DD CEN/TS 15750:2006 Fertilizers. Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- DANSK DS/EN 15560:2009 Fertilizers – Determination of total nitrogen in calcium cyanamide nitrate free
- SN-CEN/TS 15558:2007 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Ulsch
- DIN EN ISO 15604 E:2019 Draft Document - Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen (ISO 15604:2016); German and English version prEN ISO 15604:2019
- 08/30179304 DC BS EN 15476. Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
- 08/30179319 DC BS EN 15559. Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
- NS-EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- 08/30179316 DC BS EN 15558. Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch
- DANSK DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
- NS-EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
- AENOR UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
- SN-CEN/TS 15561:2007 Fertilizers — Determination of total nitrogen in calcium cyanamide containing nitrates
- DANSK DS/EN 15561:2009 Fertilizers – Determination of total nitrogen in calcium cyanamide containing nitrates
- DANSK DS/ISO 25475:2020 Fertilizers – Determination of ammoniacal nitrogen
- 08/30179322 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
- SN-CEN/TS 15475:2006 Fertilizers — Determination of ammoniacal nitrogen
- NS 4746:1975 Water analysis - Determination of ammonia-nitrogen
- NS-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
- DIN EN 15560 E:2021 Draft Document – Fertilizers – Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
- NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
Association Francaise de Normalisation, Total Nitrogen and Ammonia Nitrogen
German Institute for Standardization, Total Nitrogen and Ammonia Nitrogen
- DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
- DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
- DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
- DIN EN 15559:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version EN 15559:2009
- DIN EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; English version of DIN EN 15558:2009-06
- DIN EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
- DIN EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; English version of DIN EN 15559:2009-06
- DIN EN 15476:2009-04 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; German version EN 15476:2009
- DIN EN 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
- DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
- DIN EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; English version of DIN EN 15476:2009-04
- DIN EN 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
- DIN CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version CEN/TS 15559:2007
- DIN EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- DIN EN 15475:2009-04 Fertilizers - Determination of ammoniacal nitrogen; German version EN 15475:2009 / Note: To be replaced by DIN EN ISO 25475 (2019-06).
- DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
- DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
- DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
- DIN EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; English version of DIN EN 15604:2009-06
- DIN EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen; English version of DIN EN 15475:2009-04
- DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
- DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
- DIN CEN/TS 15562:2007 Fertilizers - Determination of cyanamide nitrogen; German version CEN/TS 15562:2007
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Total Nitrogen and Ammonia Nitrogen
- GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
Spanish Association for Standardization (UNE), Total Nitrogen and Ammonia Nitrogen
- UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- UNE-CEN/TS 15604:2008 EX Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- UNE-CEN/TS 15476:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- UNE-EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
- UNE-CEN/TS 15559:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
- UNE-CEN/TS 15558:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- UNE-CEN/TS 15560:2007 EX Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- UNE-EN 15560:2024 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- UNE-EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
- UNE-CEN/TS 15561:2007 EX Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
- UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
- UNE-CEN/TS 15475:2007 EX Fertilizers - Determination of ammoniacal nitrogen
- UNE-EN 15561:2024 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
Lithuanian Standards Office , Total Nitrogen and Ammonia Nitrogen
- LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- LST EN 15476-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- LST EN 15558-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- LST EN 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- LST EN 15559-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
- LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- LST EN 15475-2009 Fertilizers - Determination of ammoniacal nitrogen
- LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
Danish Standards Foundation, Total Nitrogen and Ammonia Nitrogen
- DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
- DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
- DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
- DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
- DS 224:1975 Water analysis. Determination of ammonia-nitrogen
- DS 241:1988 Water quality. Ammonium-nitrogen. Distillation and titration method
GOSTR, Total Nitrogen and Ammonia Nitrogen
- GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
European Committee for Standardization (CEN), Total Nitrogen and Ammonia Nitrogen
- PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
- EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
British Standards Institution (BSI), Total Nitrogen and Ammonia Nitrogen
- BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- BS DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- DD CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
- BS DD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- DD CEN/TS 15559:2007 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
- BS DD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
- 14/30313910 DC BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- BS EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- BS DD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
- 21/30442087 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
- BS EN 15560:2023 Inorganic fertilizers — Determination of total nitrogen in calcium cyanamide nitrate free
- BS DD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
- DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
- BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
- BS EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
- 21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
- BS EN 15561:2023 Inorganic fertilizers — Determination of total nitrogen in calcium cyanamide containing nitrates
- BS DD CEN/TS 15562:2007 Fertilizers - Determination of cyanamide nitrogen
RU-GOST R, Total Nitrogen and Ammonia Nitrogen
- GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
- GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- GOST EN 15559-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
- GOST EN 15476-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
- GOST EN 15558-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch selon
- GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
- GOST EN 15475-2013 Fertilizers. Determination of ammoniacal nitrogen
- GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
- GOST EN 15562-2013 Fertilizers. Determination of cyanamide nitrogen
Standard Association of Australia （SAA）, Total Nitrogen and Ammonia Nitrogen
- AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
CEN - European Committee for Standardization, Total Nitrogen and Ammonia Nitrogen
- PD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
- PD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
- PD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
- PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
- PD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
- PD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample@ containing nitrogen as nitric@ ammoniacal@ urea and cyanamide nitrogen
- PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
RO-ASRO, Total Nitrogen and Ammonia Nitrogen
- SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
- STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen
GSO, Total Nitrogen and Ammonia Nitrogen
Korean Agency for Technology and Standards (KATS), Total Nitrogen and Ammonia Nitrogen
- KS M ISO 6851-2002(2017) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
- KS M ISO 6851-2022 Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
- KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
- KS M ISO 6851-2002(2022) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
BE-NBN, Total Nitrogen and Ammonia Nitrogen
- NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
PL-PKN, Total Nitrogen and Ammonia Nitrogen
Professional Standard - Chemical Industry, Total Nitrogen and Ammonia Nitrogen
Professional Standard - Business, Total Nitrogen and Ammonia Nitrogen
NL-NEN, Total Nitrogen and Ammonia 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
Group Standards of the People's Republic of China, Total Nitrogen and Ammonia Nitrogen
Professional Standard - Agriculture, Total Nitrogen and Ammonia Nitrogen
HU-MSZT, Total Nitrogen and Ammonia Nitrogen
International Organization for Standardization (ISO), Total Nitrogen and Ammonia Nitrogen
- ISO 15604:2016 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
- ISO 25475:2016 Fertilizers - Determination of ammoniacal nitrogen
Jilin Provincial Standard of the People's Republic of China, Total Nitrogen and Ammonia Nitrogen
- DB22/T 1995-2014 Determination of feed grade choline chloride content Kjeldahl method
- DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)
Hubei Provincial Standard of the People's Republic of China, Total Nitrogen and Ammonia Nitrogen
- DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry
VN-TCVN, Total Nitrogen and Ammonia Nitrogen
- TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
American Society for Testing and Materials (ASTM), Total Nitrogen and Ammonia Nitrogen
- ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
- ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
- ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
NO-SN, Total Nitrogen and Ammonia Nitrogen
- NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
Taiwan Provincial Standard of the People's Republic of China, Total Nitrogen and Ammonia Nitrogen
- CNS 3942-1976 Methods for Determination of Ammonia Nitrogen in Polluted and Waste Water
Professional Standard - Urban Construction, Total Nitrogen and Ammonia Nitrogen
- CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)
European Committee for Electrotechnical Standardization（CENELEC）, Total Nitrogen and Ammonia Nitrogen
- EN 61400-25-1:2007 Fertilizers - Determination of cyanamide nitrogen
- EN 61400-25-1:2017 Wind energy generation systems - Part 25-1: Communications for monitoring and control of wind power plants - Overall description of principles and models
Association of Official Analytical Chemists (AOAC), Total Nitrogen and Ammonia Nitrogen
- AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods
IN-BIS, Total Nitrogen and Ammonia Nitrogen