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Method for Determination of Total Nitrogen in Wastewater

Method for Determination of Total Nitrogen in Wastewater, Total:494 items.

In the international standard classification, Method for Determination of Total Nitrogen in Wastewater involves: Water quality, Photography, Wastes, External water conveyance systems, Non-ferrous metals, Coals, Organic chemicals, Fertilizers, Analytical chemistry, Air quality, Milk and milk products, Soil quality. Pedology, Spices and condiments. Food additives, Animal feeding stuffs, Test conditions and procedures in general, Ferroalloys, Ferrous metals, General methods of tests and analysis for food products, Lubricants, industrial oils and related products, Edible oils and fats. Oilseeds, Inorganic chemicals, Fuels, Rubber, Beverages, Products of the chemical industry, Vocabularies, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Earthworks. Excavations. Foundation construction. Underground works, Farming and forestry, Construction materials, Radiation measurements, Leather technology, Pesticides and other agrochemicals, Metalliferous minerals, Sugar. Sugar products. Starch, Raw materials for rubber and plastics, Iron and steel products, Tea. Coffee. Cocoa, Non-metalliferous minerals, Protection against fire, Petroleum products in general.

PL-PKN, Method for Determination of Total Nitrogen in Wastewater

PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
PN C04576 ArkusZ02-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by titrimetric method
PN C04576 ArkusZ01-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by colorimetric method with Nessler reagent
PN C04576-10-1986 Water and waste water Tests for nitrogen Determination of nitrate nitrogen by potentiometric method with ion selective electrode
PN C04642-04-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of ammonium nitrogen by colorimetric method
PN C04576-07-1987 Water and waste water Tests for nitfogen Determination of nitrate by colorimetric method after reduction in cadmium column
PN C04576 ArkusZ06-1973 Water and waste waiter Tests for nitrogen Deterrninatian of nitrite by colo- rime?ric method with sulphanilic aicid and 1-naphty lamin?
PN C04596-02-1990 Water and waste water Tests for zinc Determination of zinc by zincon method
PN C04570-08-1987 Water and waste water Tests for metals by atomie absorption spectrometry Determination of total chromium
PN Z04092-05-1990 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen oxide, dioxide and total nitrogen oxides in waste gases (emission)
PN C04540-02-1990 Water and waste water Tests for pH, acidity and alkalinity Determination of minera? and total icidity and alkalinity by potentiometric titration method
PN C04545 ArkusZ03-1972 Wo?er and was?e water Tes?s for dissolved oxygen Determination of dissoked oxygen by Winkler method, azide modifikation
PN C04586-02-1990 Water and waste water Test for iron Determination of total and total dissolved iron by spectrophotometric method with bathophenanthroline Rang?: 0,002 H- 0,030 mg/l
PN C04633-02-1987 Water and waste water Test for carbon Determination of total inorganic and organie carbon unsing gas-chromatography method
PN C04555-1974 Water and waste water Determination of germanium by colorimetric method
PN C04587 ArkusZ02-1973 Water and waste water Tests for sodium Determination of sodium by titrimetric method
PN C04594-01-1988 Water and waste water Tests for arsenieDetermination of arsenie by method with AgDDTK
PN C04596-03-1990 Water and waste water Tests for zinc Determination of zinc by EDTA method
PN C04605-03-1992 Water and waste water Tests for aluminium Determination of aluminium by EDTA method
PN C04540-04-1991 Water and waste water Tests for pH, acidity and alkalinity Determination of pH, total acidity and alkalinity in waste water with great content of iron and aluminium
PN C04586 ArkusZ05-1973 Water and waste water Tests for iron Determination of total anddissolved iron by EDTA method Rang?: above 10 mg/l
PN C04590-02-1992 Water and waste water Tests for manganese Determination of manganese by permanganate method
PN C04590-03-1992 Water and waste water Tests for manganese Determination of manganese by formaldoxime method
PN C04540-03-1990 Water and waste water Tests for pH, acidity and alkalinity Determination of minera? and total acidity and alkalinity with titration indicator method
PN C04642-05-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of nitrite and the sum of nitrate and nitrite by colorimetric method
PN C04596-05-1992 Water and waste water Tests for zinc Determination of zinc by yoltammetry
PN C04567 ArkusZ07-1971 Water and waste water. Study of silica content. Determination of to- tal silica by gravimetric method
PN C04567 ArkusZ08-1971 Water and waste water Study of silica content Determination of total silica by colorimetric methods
PN C04611 ArkusZ04-1972 Water and waste water Tests for copper Determination of copper in boilers water flow cirkuits at thermal power stations by colorimetric method with sodium diethyldithiocarbamate Rang?: 0,001÷1,0 rag/l
PN C04554 ArkusZ03-1972 Wo?er and waste water Siudy of hardness De?ermina?ion of ?he fota I hardness by EDTA method Rang?: 0,357 mval/l and below
PN C04574-1991 Water and waste water. Determination of antimony by colorimetric method with rodamina B
PN C04595-02-1990 Water and waste water Test for lead Determination of lead by dithizone method
PN C04596-01-1990 Water and waste waterTests for zinc Determination ol zinc by dithizone method
PN C04605-02-1992 Water and waste water Tests for aluminium Determination of aluminium by method with eriochromocyamine R
PN C04627-02-1991 Water and waste water Tests for acrylonitryle Determination of acrylonitryle with mercaptoethanol method
PN C04604-09-1990 Water and waste water Tests for chromium Determination of chromium (VI) by semi-quantitative method with eolorimetric test

American Society for Testing and Materials (ASTM), Method for Determination of Total Nitrogen in Wastewater

ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
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 D5530-94(1998) Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM D5530-94(2003) Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM D5530-94(2009) Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM D5530-22 Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3590-02(2006) Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D5530-15 Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM D6556-00a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D6556-10 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-04 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D8193-18 Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbon (TPH) in Water and Wastewater with Solvent Extraction Using Non-Dispersive Mid-IR Transmission Spectroscopy
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D6556-07 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM E778-87(2004) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-87(1996) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM D6556-17 Standard Test Method for Carbon Black&x2014;Total and External Surface Area by Nitrogen Adsorption
ASTM D7678-17(2022) Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbons (TPH) in Water and Wastewater with Solvent Extraction using Mid-IR Laser Spectroscopy
ASTM D7678-17 Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbons (TPH) in Water and Wastewater with Solvent Extraction using Mid-IR Laser Spectroscopy
ASTM D6016-06(2012) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D6016-17 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D3228-20 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D6556-02 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-02a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D3228-19 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08(2019) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D6556-03 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6016-96 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-96(2001) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-06 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM E147-61(2017) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method
ASTM D3228-96 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-01 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-05 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2002)e1 Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM D3228-03 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2016) Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM D5468-02 Standard Test Method for Gross Calorific and Ash Value of Waste Materials
ASTM D4282-95(2001) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
ASTM D4282-95 Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
ASTM D6556-09 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-21 Standard Test Method for Carbon Black—Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-14 Standard Test Method for Carbon Blackmdash;Total and External Surface Area by Nitrogen Adsorption
ASTM D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D3228-08(2014) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D4282-15(2022) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
ASTM UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
ASTM D3223-91 Standard Test Method for Total Mercury in Water
ASTM D3223-17 Standard Test Method for Total Mercury in Water

Group Standards of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography

Korean Agency for Technology and Standards (KATS), Method for Determination of Total Nitrogen in Wastewater

KS M ISO 6851-2002(2017) 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
KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS M ISO 5315-2007(2012) Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS M ISO 5315:2007 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
KS M ISO 5315:2013 Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS D 2555-1995 Methods for determination of nitrogen in tantalum
KS D 2555-2015 Methods for determination of nitrogen in tantalum
KS I 3216-2022 Method for determination of polychlorinated biphenyl in industrial wastewater
KS I 3216-2010(2015) Method for determination of polychlorinated biphenyl in industrial wastewater
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS D 1811-1993 Methods for determination of nitrogen in iron and steel
KS D 2555-2020 Determination of nitrogen in tantalum
KS D 1811-2003(2018) Methods for determination of nitrogen in iron and steel
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 5663-2007(2017) Water quality－Determination of Kjeldahl nitrogen－Method after mineralization with selenuium
KS D 1811-2003 Methods for determination of nitrogen in iron and steel
KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS M 0029-1993 Methods for Determination of Mercaptan in Exhaust Gas
KS M 2304-2014 Method for determination of phosgene in exhaust gas
KS I ISO 11905-2-2008(2013) Water quality－Determination of nitrogen－Part 2：Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS D 0274-1993 Method of measuring nitrided case depth for iron and stee1
KS D 2530-2016 Methods for determination of nitrogen in titanium and titanium alloys
KS D 2573-1995 Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2573-2015 Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2573-2015(2020) Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2530-2021 Methods for determination of nitrogen in titanium and titanium alloys
KS I 3215-2008(2018) Testing method for pesticides of industrial water and waste water

British Standards Institution (BSI), Method for Determination of Total Nitrogen in Wastewater

BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS ISO 6851:2002 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
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 EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS EN 25663:1993 Water quality. Determination of Kjeldahl nitrogen. Method after mineralization with selenium
BS ISO 6853:2001 Photography. Processing waste. Determination of ammoniacal nitrogen (microdiffusion method)
BS EN 16168:2012 Sludge, treated biowaste and soil. Determination of total nitrogen using dry combustion method
BS DD CEN/TS 15104:2006 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
BS DD CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
BS ISO 6853:2002 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
BS EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
BS 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
BS ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
21/30426878 DC BS ISO 23697-2. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 2. Chromotropic acid based method
BS EN IEC 60695-7-2:2021 Tracked Changes. Fire hazard testing. Toxicity of fire effluent. Summary and relevance of test methods
PD IEC TS 60695-5-2:2021 Fire hazard testing. Corrosion damage effects of fire effluent. Summary and relevance of test methods
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS EN ISO 7393-3:2000 Water quality. Determination of free chlorine and total chlorine. Iodometric titration method for the determination of total chlorine
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods

GOSTR, Method for Determination of Total Nitrogen in Wastewater

GOST R 58596-2019 Soils. Methods for determination of total nitrogen
GOST 4151-1972 Drinking water. Method for determination of total hardness
GOST 27588-2020 Coke. Determination of total moisture
GOST 9853.1-1996 Sponge titanium. Method for determination of nitrogen

RO-ASRO, Method for Determination of Total Nitrogen in Wastewater

STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen
STAS 8911-1971 SURFACE AND WASTE WATERS Determination of total carbon dioxide
SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation
STAS 12200-1985 SLUDGES RESULTED FROM= SURFACE WATERS TREATMENT AND WASTE WATERS PURIFI- CATION Nitrogen content determination

VN-TCVN, Method for Determination of Total Nitrogen in Wastewater

TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
TCVN 4557-1988 Waste water.Method for the determination of the temperature
TCVN 4560-1988 Waste water.Method for determination of residue content
TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content
TCVN 3707-1990 Aquatic products.Method for the determination of amine ammonia nitrogen content
TCVN 4558-1988 Waste water.Metrods for the determination of colour and smell
TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content
TCVN 7245-2003 Health care solid waste incinerator.Determination method of nitrogen oxides (NOx) concentration in fluegas
TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
TCVN 6624-2-2000 Water quality.Determination of nitrogen.Part 1: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
TCVN 5255-2009 Soil quality.Method for the determination of bio-available nitrogen

Indonesia Standards, Method for Determination of Total Nitrogen in Wastewater

SNI 4146-2013
SNI 06-6989.14-2004 Water and waste water - Part 14: Test methods of dissolved oxygen by iodometry (azide modification)
SNI 1971-2011 Cara uji kadar air total agregat dengan pengeringan
SNI 6989.17-2009
SNI 6989.76-2011 Water and waste water - Part 76: Determination of total cyanide (CN-T) by ion selective electrode
SNI 06-6989.12-2004 Water and waste water - Part 12: Test methods of hardness of calcium (Ca) and magnesium (Mg) total by titrimetry methods
SNI 19-4794-1998 Test methods for pentachlorophenol in water and waste water
SNI 19-6036-1999 Test method for hydrogen peroxide (H2O2) in waste water
SNI 06-6989.28-2005 Water and wastewater - Part 28: Test methods of total organic carbon (TOC)

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, Method for Determination of Total Nitrogen in Wastewater

GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 34532-2017 Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 34500.3-2017 Chemical analysis methods for rare earth waste residue and waste water—Part 3: Determination of weak radioactivity（total activity of αandβ）

Jilin Provincial Standard of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Method for Determination of Total Nitrogen in Wastewater

GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 609-1988 Chemical reagent--General method for the determination of total nitrogen
GB/T 609-2006 Chemical reagent General method for the determination of total nitrogen
GB/T 609-2018 Chemical reagent.General method for the determination of total nitrogen
GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
GB/T 4918-1985 Waste water from manufacturing process--Determination of total nitro compounds--Spectrophotometric method
GB/T 4919-1985 Waste water from manufacturing process--Determination of total nitro compounds--Gas chromatographic method
GB 4919-1985 Determination of Total Nitro Compounds in Industrial Wastewater by Gas Chromatography
GB/T 19227-2008 Determination of nitrogen in coal
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 18856.12-2002 Test methods for quality of coal water mixture--Part 12: Determination of nitrogen of coal water mixture
GB/T 23952-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Distillation-acid-base titrations method
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB/T 27978-2011 Determination of the waste content in the raw mix of cement
GB/T 15555.8-1995 Solid waste--Determination of total chromium--Titrimetric method
GB/T 6730.24-1986 Methods for chemical analysis of iron ores--The arsenazo 3 photometric method for the determination of rare earth elements content
GB/T 10722-2003 Carbon black-Determination of total and external surface area by nitrogen adsorption
GB/T 10722-2014 Carbon black.Determination of total and external surface area.Nitrogen adsorption test method
GB 9170-1988 Determination method of total nitrogen content in lubricating oil and fuel oil (improved Kjeldahl method)
GB/T 9170-1988 Lubricating oils and fuel oils--Determination of total nitrogen--Modified kjeldahl method
GB/T 23772-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Nessler's reagent colorimetric method

RU-GOST R, Method for Determination of Total Nitrogen in Wastewater

GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
GOST 33045-2014 Water. Methods for determination of nitrogen-containing matters
GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST 4192-1982 Drinking water. Methods for determination of mineral nitrogen-containing matters
GOST 27588-1991 Hard coal coke. Method for determination of total moisture content
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 4011-1972 Driking water. Methods for determination of total iron
GOST 31958-2012 Water. Methods for determination of total and dissolved organic carbon
GOST R 55683-2013 Drinking water. Method for the determination of total chlorine in situ
GOST 32985-2014 Solid biofuels. Determination of carbon, hydrogen and nitrogen by instrumental methods
GOST R 54216-2010 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen by instrumental methods
GOST 13020.7-1985 Metallic chrome. Methods for determination of nitrogen
GOST 9853.1-1979 Sponge titanium. Method for the determination of nitrogen
GOST 31956-2012 Water. Methods for determination of chromium (VI) and total chromium
GOST 18164-1972 Drinking water. Method for determination of total solids content
GOST 14338.4-1982 Molybdenum. Methods for determination of nitrogen, oxygen and hydrogen
GOST 14339.4-1982 Tungsten. Methods for the determination of nitrogen, oxygen, hydrogen
GOST R 52991-2008 Water. Methods for determination of total and dissolved organic carbon
GOST R 52911-2008 Solid mineral fuels. Methods for determination of total moisture
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 29302-1992 Ammonium nitrate for industrial use. Method for determination of total nitrogen content (titrimetric) after distillation
GOST 24596.3-2015 Feed phosphates. Method for determination of nitrogen
GOST 2082.2-1981 Molibdenum concentrates. Method for the determination of total moisture and oil content
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)
GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content
GOST R ISO 7514-2012 Method for determination of total ash
GOST 28552-1990 Tea. Methods for determination of total, water-insoluble and water-soluble ash
GOST 23327-1998 Milk and milk products. Determination of mass part of total nitrogen by Kjeldahl method and determination of mass part of protein
GOST 23327-1978 Milk. Methods for determination of the total protein content

Japanese Industrial Standards Committee (JISC), Method for Determination of Total Nitrogen in Wastewater

JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS K 0170-3:2011 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-3:2019 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS H 1685:2000 Method for determination of nitrogen in tantalum
JIS K 0102:1998 Testing methods for industrial wastewater
JIS K 0102:2008 Testing methods for industrial wastewater
JIS K 0350-40-10:2002 Testing method for enumeration of total bacteria in industrial water and wastewater
JIS K 0400-44-40:2000 Water quality -- Determination of Kjeldahl nitrogen -- Method after mineralization with selenium
JIS K 0093:1995 Method for determination of polychlorinated biphenyl in industrial waste water
JIS Z 4513:1977 Measuring methods of beta radioactivity concentration of drain water
JIS H 1685:1976 Methods for determination of nitrogen in tantalum
JIS K 0128:1994 Testing method for pesticides of industrial water and waste water
JIS K 0106:2010 Methods for determination of chlorine in flue gas
JIS K 0081:2012 Method for determination of boron in flue gas
JIS G 1228:1997 Iron and steel -- Methods for determination of nitrogen content
JIS K 0128:2000 Testing methods for pesticides in industrial water and waste water
JIS H 1653:1991 Methods for determination of nitrogen in zirconium and zirconium alloys
JIS H 1612:1993 Methods for determination of nitrogen in titanium and titanium alloys
JIS B 7992:2002 Automated measuring systems for oxides of nitrogen in flue gas using non-extractive methods
JIS K 0450-20-10:2002 Testing method for alkyl phenols in industrial water and wastewater
JIS K 0450-50-10:2004 Testing method for benzophenone in industrial water and wastewater
JIS K 0450-20-10:2006 Testing method for alkyl phenols in industrial water and wastewater

Professional Standard - Urban Construction, Method for Determination of Total Nitrogen in Wastewater

CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method
CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
CJ 26.20-1991 Determination of Standard Total Chromium in Municipal Sewage Water Quality Inspection Method
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
CJ 26.5-1991 Municipal sewage water quality inspection method Standard gravimetric method for total solids

Association Francaise de Normalisation, Method for Determination of Total Nitrogen in Wastewater

NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
NF EN 16168:2012 Boues, biodéchets traités et sols - Détermination de la teneur totale en azote par combustion sèche
NF X31-036*NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method.
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
NF EN 15750:2010 Engrais - Détermination de la teneur en azote total des engrais ne contenant l'azote que sous forme nitrique, ammoniacale et uréique, selon deux méthodes différentes
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF T73-282*NF EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
NF EN 13716:2002 Agents de surface - Détermination de la teneur en azote total basique - Titrage potentiométrique
NF EN 25663:1994 Qualité de l'eau - Dosage de l'azote Kjeldahl - Méthode après minéralisation au sélénium
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.
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.

Hebei Provincial Standard of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

CZ-CSN, Method for Determination of Total Nitrogen in Wastewater

CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 65 0176 Cast.7-1979 Testing methods for tarch. Determination of nitrogen
CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides

SE-SIS, Method for Determination of Total Nitrogen in Wastewater

SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SIS SS 02 81 04-1991 Determination of organically bound chlorine in waste waters by the AOXmethod

Association of Official Analytical Chemists (AOAC), Method for Determination of Total Nitrogen in Wastewater

AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

German Institute for Standardization, Method for Determination of Total Nitrogen in Wastewater

DIN EN 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
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 38409-27:1992 German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of total bound nitrogen TN<(Index)b> (H 27)
DIN 38406-5:1983 German standard methods for the examination of water, waste water and sludge; cations (group E); determination of ammonia-nitrogen (E 5)
DIN 38406-5:1983-10 German standard methods for the examination of water, waste water and sludge; cations (group E); determination of ammonia-nitrogen (E 5)
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 51732:2014 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN 51732:2007 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN 13716:2003-05 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
DIN EN 25663:1993-11 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN 38402-11:1995 German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 11: Sampling of waste water (A 11)
DIN EN 25663:1993 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
DIN 38402-11:2009 German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 11: Sampling of waste water (A 11)
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 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
DIN 38402-16:1987 German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of sea water (A 16)
DIN 38402-15:1986 German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of flowing waters (A 15)
DIN 38412-37:1999-04 German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 37: Determination of the inhibitory effect of water on the growth of bacteria (Photobacterium phosphoreum cell multiplication inhibition test) (L...
DIN 38402-20:1987 German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of tidal waters (A 20)

Lithuanian Standards Office , Method for Determination of Total Nitrogen in Wastewater

LST EN 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
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 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
LST EN 13716-2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
LST 1611-2000 Confectionery. Methods for determination moisture and total solids content
LST EN 15216-2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods

Danish Standards Foundation, Method for Determination of Total Nitrogen in Wastewater

DS/EN 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
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/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DS/EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
DS/EN 25663:1994 Water quality-Determination of Kjeldahl nitrogen-Method after mineralization with selenium
DS/ISO 5663:1994 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 15216:2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
DS/ISO 29541:2011 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
DS/EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods

International Organization for Standardization (ISO), Method for Determination of Total Nitrogen in Wastewater

ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 6851:2001 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
ISO 6851:1987 Photography; Processing waste; Determination of total amino nitrogen; Microdiffusion Kjeldahl method
ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
ISO 6853:2001 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
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
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 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
ISO 6853:1987 Photography; Processing waste; Determination of ammoniacal nitrogen content; Microdiffusion method
ISO/TS 12902:2001 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
ISO/CD 29541:1976 Solid mineral fuels — Determination of total carbon, hydrogen and nitrogen content — Instrumental method

AENOR, Method for Determination of Total Nitrogen in Wastewater

UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
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 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
UNE-EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
UNE 77035:1983 WATER ANALYSIS METHODS IN INDUSTRIAL WASTES. DETERMINATION OF ACIDITY
UNE-EN 25663:1994 WATER QUALITY. DETERMINATION OF KJELDAHL NITROGEN. METHOD AFTER MINERALIZATION WITH SELENIUM. (ISO 5663:1984).
UNE-EN 15216:2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates

IN-BIS, Method for Determination of Total Nitrogen in Wastewater

Taiwan Provincial Standard of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

CNS 3822-1975 Method for Determination of Gross Alpha Radiation in Polluted and Waste Water.
CNS 3823-1975 Method for Determination of Gross Beta Radiation in Polluted and Waste Water.

YU-JUS, Method for Determination of Total Nitrogen in Wastewater

JUS H.G8.298-1987 Reagents. Oxaiic acid dihydrate. Determination of total nitrogen content. Colorimetric metbod
JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.261-1987 Reagents. Barium chloride dihydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method
JUS H.G8.064-1983 Reagents. Copper sulphate pentahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.280-1987 Reagents. lron(ll)sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.104-1984 Reagents. Potassium chloride. Determination of total nitrogen content. Colorimetric method
JUS H.G8.343-1988 Reagents. Zine chloride. Determination of total nitrogen content. Colorinetcic metbod
JUS H.G8.489-1991 Reagents. Potassium permanganate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.514-1991 Reagents. Potassium hydroxide. Determination of total nitrogen content. Colorimetric method

Professional Standard - Agriculture, Method for Determination of Total Nitrogen in Wastewater

NY/T 1977-2010 Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content
GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
水和废水监测分析方法 5.2.4-2003 Chapter 5 Water and Wastewater Biological Monitoring Methods Chapter 2 Bacteriological Determination in Water 4 Determination of Total Bacteria in Water (B)
水和废水监测分析方法 5.2.5-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter Two Bacteriological Determination in Water Five Determination of Total Coliform Bacteria in Water (B)
水和废水监测分析方法 5.2.9-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 2 Bacteriological Determination in Water 9. Rapid Determination of Total Coliforms in Water and Fecal Coliforms (C)
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation

海关总署, Method for Determination of Total Nitrogen in Wastewater

SN/T 5284-2021 Determination of banned azo dyes in textile processing wastewater

BE-NBN, Method for Determination of Total Nitrogen in Wastewater

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method
NBN T 03-056-1979 Ammonium nitrate for industrial use - Determination of total nitrogen content - Titrimetric method after distillation
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN 312-1953
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate

PH-BPS, Method for Determination of Total Nitrogen in Wastewater

PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method
PTS 86-1970 Method of Test for the Determination of Armoniacal Nitrogen

American National Standards Institute （ANSI), Method for Determination of Total Nitrogen in Wastewater

ANSI/PIMA IT4.47-1998 Photography (Processing) - Effluents - Determination of Total Amino Nitrogen - Microdiffusion Kjeldahl Method
ANSI/PIMA IT4.48-1998 Photography (Processing) - Effluents - Determination of Ammoniacal Nitrogen Content - Microdiffusion Method

ES-UNE, Method for Determination of Total Nitrogen in Wastewater

UNE-EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method (Endorsed by AENOR in October of 2012.)

未注明发布机构, Method for Determination of Total Nitrogen in Wastewater

BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content

NO-SN, Method for Determination of Total Nitrogen in Wastewater

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

Standard Association of Australia （SAA）, Method for Determination of Total Nitrogen in Wastewater

AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk

Ningxia Provincial Standard of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

DB64/T 1734-2020 Soil Hydrolyzable Nitrogen Determination Kjeldahl Method

European Committee for Standardization (CEN), Method for Determination of Total Nitrogen in Wastewater

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 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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
EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods

AT-ON, Method for Determination of Total Nitrogen in Wastewater

ONORM M 6248-1988 Water quality; determlnation of Kjeldabl nitrogen; method ajter mineralization with selenium

中华人民共和国环境保护部, Method for Determination of Total Nitrogen in Wastewater

GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method
GB 4918-1985 Waste Water from manufacturing process-Determination of total nitro compounds-Spectrophotometric method

Association of German Mechanical Engineers, Method for Determination of Total Nitrogen in Wastewater

VDI 2456-2004 Stationary source emissions - Reference method for determination of the sum of nitrogen monoxide and nitrogen dioxide - Ion chromatography method

Professional Standard - Environmental Protection, Method for Determination of Total Nitrogen in Wastewater

HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry
HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ 693-2014 Stationary source emission.Determination of nitrogen oxides.Fixed potential by electrolysis method
HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry
HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
HJ 692-2014 Stationary source emission.Determination of nitrogen oxides.Non-dispersive infrared absorption method
HJ 1132-2020 Portable UV Absorption Method for Determination of Nitrogen Oxide in Exhaust Gas from Stationary Pollution Sources
HJ 1191-2021 Spectrophotometric method for the determination of water quality azide

国家市场监督管理总局、中国国家标准化管理委员会, Method for Determination of Total Nitrogen in Wastewater

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method

Professional Standard - Coal, Method for Determination of Total Nitrogen in Wastewater

MT/T 742.1-1997 Determination of total chrominum in mine water
MT/T 743.1-1997 Determination of total phosphorus in mine water
MT/T 742.1-2011 Determination of total chrominum in mine water
MT/T 743.1-2011 Determination of total phosphorus in mine water
MT/T 744-1997 Determination of the gross αand grossβradioactivity of the groundwater in coal mines

NL-NEN, Method for Determination of Total Nitrogen in Wastewater

NEN 3235 7.5-1978 Test methods for waste water. Photometric determination of lead content
NEN 3235 7.2a-1978 Test methods for waste water. Photometric determination of chromium(VI)content
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 3235 10.1-1978 Test methods for waste water. Determination of gas production of sludg
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 6620-1986 Waste water and sludge Determination of the total residue on evaporation after drying and after ignition Gravimetric method
NEN 3235 8.3-1978 Test methods for waste water. Photometric rietermination of sulphide content
NEN 3235 9.1-1978 Test methods for waste water. Photometric determination of the content of phenols voiatile with water vapour
NEN 6660-1981 Waste water - Titrimetric determination of chloride content (mercurimetric)
NEN 3235 9.2.2-1978 Test methods for waste water. Gravimetric determination of oil and fat content. Direct extraction

ZA-SANS, Method for Determination of Total Nitrogen in Wastewater

SANS 579:2005 Coke - Determination of total moisture
SANS 589:2005 Hard coal - Determination of total moisture
SANS 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
SANS 12902:2007 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods

Professional Standard - Chemical Industry, Method for Determination of Total Nitrogen in Wastewater

HG/T 4552.1~4552.3-2013 Determination method of tin content in tin stripping wastewater (2013)
HG/T 3519-2003 Industrial circulating cooling water-Determination of Benzotriazole
HG 5-1519-1985 Determination method of benzotriazole in industrial circulating cooling water

PT-IPQ, Method for Determination of Total Nitrogen in Wastewater

NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method
NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method

中华人民共和国国家卫生和计划生育委员会, Method for Determination of Total Nitrogen in Wastewater

WS/T 88-1996 Method for determination of total fluorine in coal and soil.Combustion-bydrolysis-ion selective electrode method
GB/T 18204.28-2000 Method for determination of temperature in water of swimming place

KR-KS, Method for Determination of Total Nitrogen in Wastewater

KS D 1811-2003(2023) Methods for determination of nitrogen in iron and steel
KS I 3202-2023 Testing methods for total organic carbon in highly purified water

Professional Standard - Commodity Inspection, Method for Determination of Total Nitrogen in Wastewater

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion

Shandong Provincial Standard of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

DB37/T 2704-2015 Determination of nitrogen oxides in exhaust gas from stationary pollution sources by ultraviolet absorption method
DB37/T 3784-2019 Chemiluminescence method for the determination of nitrogen oxides in exhaust gas from stationary pollution sources
DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method

CU-NC, Method for Determination of Total Nitrogen in Wastewater

NC 24-65-1986 Inorganic Chemical Products Nitrogen. Determination of Water Vapor Content. Aerial Water Point Method

BR-ABNT, Method for Determination of Total Nitrogen in Wastewater

ABNT NBR 9939-2011 Coarse aggregate - Determination of total moisture - Test method

Canadian General Standards Board （CGSB), Method for Determination of Total Nitrogen in Wastewater

CGSB 9.2 NO. 1-94-CAN/CGSB-1994 Methods of Testing Pulp and Paper Mill Effluents and Water Determination of Solids Contents of Pulp and Paper Mill Effluents
CGSB 9.2 NO.2-94-CAN/CGSB-1994 Methods of Testing Pulp and Paper Mill Effluents and Water Determination of Biochemical Oxygen Demand (BOD)
CGSB 9.2 NO. 4-94-CAN/CGSB-1994 Methodes D'Essai Des Effluents Et De L'Eau Rejetes Par Les Usines De Pates Et Papiers Determination De La Couleur Des Effluents Des Usines De Pates
CGSB 9.2 NO. 3-94-CAN/CGSB-1994 Methodes D'Essai Des Effluents Et De L'Eau Rejetes Par Les Usines De Pates Et Papiers Determination De La Demande Chimique En Oxygene (DCO)

Xinjiang Provincial Standard of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil

Professional Standard - Tobacco, Method for Determination of Total Nitrogen in Wastewater

YC/T 33-1996 Tobacco and tobacco products-Determination of total nitrogen-Kjeldahl method
YC/T 161-2002 Tobacco and tobacco products----Determination of total nitrogen----Continuous flow method

Liaoning Provincial Standard of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

DB21/T 3072-2018 Determination of nitrogen oxides in exhaust gas from stationary pollution sources by ultraviolet-visible absorption method

Tianjin Provincial Standard of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

DB12/T 1023-2020 Determination of total nitrogen content in organic fertilizers Dumas combustion method

TR-TSE, Method for Determination of Total Nitrogen in Wastewater

TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

Military Standard of the People's Republic of China-General Armament Department, Method for Determination of Total Nitrogen in Wastewater

GJB 7186-2011 Determination of CS in waster.Chromatography

Henan Provincial Standard of the People's Republic of China, Method for Determination of Total Nitrogen in Wastewater

DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method

CEN - European Committee for Standardization, Method for Determination of Total Nitrogen in Wastewater

EN 15216:2007 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods

Professional Standard - Non-ferrous Metal, Method for Determination of Total Nitrogen in Wastewater

YS/T 740-2010 Method for determination of caustic alkalinity in wastewater of alumina industry
YS/T 587.15-2023 Calcined coke for prebaked blocks— Part 15: Determination of total carbon,hydrogen and nitrogen contents

工业和信息化部, Method for Determination of Total Nitrogen in Wastewater

HG/T 5772-2021 Determination method of fluorine in waste sulfuric acid

Professional Standard - Nuclear Industry, Method for Determination of Total Nitrogen in Wastewater

EJ/T 20091-2014 Determination of total β activity in intermediate level radioactive liquid waste and its sludge.β counting method

Professional Standard - Geology, Method for Determination of Total Nitrogen in Wastewater

DZ/T 0064.76-1993 Groundwater Quality Examination Methods Radiochemical Method Determination of Total α and Total β