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Determination method of total nitrogen in wastewater

Determination method of total nitrogen in wastewater, Total:500 items.

In the international standard classification, Determination method of total nitrogen in wastewater involves: Water quality, Air quality, Analytical chemistry, Milk and milk products, Animal feeding stuffs, Ferroalloys, Photography, Wastes, External water conveyance systems, Non-ferrous metals, Organic chemicals, Fertilizers, Coals, Lubricants, industrial oils and related products, Soil quality. Pedology, Spices and condiments. Food additives, Farming and forestry, Radiation measurements, Vocabularies, Test conditions and procedures in general, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Fuels, Ferrous metals, Construction materials, Pesticides and other agrochemicals, Inorganic chemicals, Leather technology, General methods of tests and analysis for food products, Protection against fire, Metalliferous minerals, Food products in general, Sugar. Sugar products. Starch, Petroleum products in general, Crude petroleum, Natural gas, Products of the chemical industry, Raw materials for rubber and plastics, Tobacco, tobacco products and related equipment, Earthworks. Excavations. Foundation construction. Underground works, Beverages, Microbiology, Radiation protection, Fruits. Vegetables, Cereals, pulses and derived products, Geology. Meteorology. Hydrology, Tyres, Refractories.

American Society for Testing and Materials (ASTM), Determination method 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 D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
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 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 D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
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 D1426-03 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 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 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 E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
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 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 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 D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D6016-06(2012) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-17 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D3223-91 Standard Test Method for Total Mercury in Water
ASTM D3223-17 Standard Test Method for Total Mercury in Water
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 D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D3228-20 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
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 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 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 UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
ASTM E775-87(2004) Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel
ASTM D7678-11 Standard Test Method for Total Petroleum Hydrocarbons (TPH) in Water and Wastewater with Solvent Extraction using Mid-IR Laser Spectroscopy
ASTM D4282-15(2022) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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 D5530-15 Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D6016-17(2023) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
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 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 C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D6556-07 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-17 Standard Test Method for Carbon Black&x2014;Total and External Surface Area by Nitrogen Adsorption
ASTM D5368-93(2001) Standard Test Methods for Gravimetric Determination of Total Solvent Extractable Content (TSEC) of Solid Waste Samples
ASTM D5368-93(2006) Standard Test Methods for Gravimetric Determination of Total Solvent Extractable Content (TSEC) of Solid Waste Samples
ASTM D5368-13 Standard Test Methods for Gravimetric Determination of Total Solvent Extractable Content (TSEC) of Solid Waste Samples
ASTM D6919-17 Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography
ASTM D6403-99(2020) Standard Test Method for Determining Moisture in Raw and Spent Materials
ASTM D4954-89(2003) Standard Test Method for Determination of Nitrilotriacetates in Detergents
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 D6919-03 Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography
ASTM D6919-09 Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography
ASTM D6556-03 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D8478-23 Standard Test Method for N-Hexane Recoverable Total Oil and Grease and Total Petroleum Hydrocarbons in Water by ATR-Infrared Determination

PL-PKN, Determination method of total nitrogen in wastewater

PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
PN C04642-04-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of ammonium nitrogen by colorimetric method
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 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 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 C04596-05-1992 Water and waste water Tests for zinc Determination of zinc by yoltammetry
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 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 C04574-1991 Water and waste water. Determination of antimony by colorimetric method with rodamina B
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 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 C04586 ArkusZ05-1973 Water and waste water Tests for iron Determination of total anddissolved iron by EDTA method Rang?: above 10 mg/l
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 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 C04604-09-1990 Water and waste water Tests for chromium Determination of chromium (VI) by semi-quantitative method with eolorimetric test
PN C04587 ArkusZ01-1973 Water and waste water Tests for sodium Determination of sodium by fla- me photometric method
PN C04591 ArkusZ01-1974 Water and waste water Tests for potassium Determination of potassium by flame photometric method
PN C04627-02-1991 Water and waste water Tests for acrylonitryle Determination of acrylonitryle with mercaptoethanol method
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 C04570-07-1987 Water and waste water Test for metals by atomie absorption Determination of the total chromium in water with preliminary concentration by chelation and extraction
PN C04611 ArkusZ05-1972 Water and waste water Tests for copper Determination of copper in boilers water flow cirkuits at thermal power stations by colorimetric method with 4-(2-pyridylazo)-resorcinol Rang?: 0,010 -r- 0,20 mg/l
PN C04608 ArkusZ04-1972 Wa?er and waste water Tests lor pes?icides Determination of DDT by colorimetric method
PN C04608 ArkusZ06-1972 Water and waste wa?er- Tests for pesticides De?ermination of gamma-HCH by colorimetric method
PN C04614-02-1991 Water and waste water Tests for nickel Determination of nickel by colorimetric method with a-f'urildioxime
PN C04613-1988 Water and waste water Determination of uric acid in water by means of tetramercurate fluoresceine
PN C04586 ArkusZ09-1973 Water and waste water Tests for iron Determination of ferrous iron by colorimetric method with 2,2'-dipyridyl
PN C04595 ArkusZ04-1974 Water and waste water Tests for lead Dctermination of lead by dithiocarbamate method
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 C04642-03-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of sulphates by colorimetric method
PN C04602-05-1989 Water and waste water Tests for phenols Determination of phenol, cresols and xylenols in water by gas chromatography
PN C04595-03-1990 Water and waste water Tests for lead Determination of lead by extractivetitrimetric method with sodium diethyldithicarbamate
PN C04608 ArkusZ05-1972 Water and waste water Tests for pestiddes Determination of methoksychlor by colorimetric method
PN C04639-02-1989 Water and waste water Tests for nitrobenzene Determination of nitrobenzene by gas chromatography
PN C04639-03-1989 Water and waste water Tests for nitrobenzene Determination of nitrobenzene by liquid chromatography
PN C04642-06-1993 Water and waste water. Tests for pollutants in atmopheric precipitation. Determination of chlorides by spectrophotometric method
PN C04600 ArkusZ13-1974 Water and waste water Tests for chlorine and his cora- pounds content and chlorine de- mand Determination of chlorine dioxide in water by iodometric titration
PN C04603-04-1986 Water and waste water Tests for cyanides Determination of frec combined and total cyanides by potentiometric method with ion selective electrode
PN C04586 ArkusZ03-1973 Water and waste water Tests for iroin Ddtermination ocf toial and dis- solved iron by coloar?meltric method wilth 1,10 phenanthroline or with 2,2idipyridyl. Rang?: 0,02-f-10 mg/l
PN C04544-02-1987 Water and waste water Tests for polycyclic aromatic hydrocarbons (PAH) Determination of benzo(a)pyrene in water by two-dimensional thinlayer chromatography method
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 C05560-02-1986 Waler and waste water Tests for chlorophyll in surface Water Determination of chlorophyll a in planctonic algae by spectrophotometric monochromatic method with correction for pheopigments a

Group Standards of the People's Republic of China, Determination method 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/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/GRM 046-2022 Determination of Mercury in Gas Field Water
T/HBFIA 0031-2022 Chromogenic plate counting method for the determination of the total number of bacterial colonies in water

Japanese Industrial Standards Committee (JISC), Determination method of total nitrogen in wastewater

JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS H 1685:2000 Method for determination of nitrogen in tantalum
JIS H 1685:1976 Methods for determination of nitrogen in tantalum
JIS K 0093:1995 Method for determination of polychlorinated biphenyl in industrial waste water
JIS K 0350-40-10:2002 Testing method for enumeration of total bacteria in industrial water and wastewater
JIS Z 4513:1977 Measuring methods of beta radioactivity concentration of drain 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 0128:1994 Testing method for pesticides of 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 K 0128:2000 Testing methods for pesticides in industrial water and waste water
JIS K 0221:1988 Methods for determination of arsenic in flue gas
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
JIS B 7992:2002 Automated measuring systems for oxides of nitrogen in flue gas using non-extractive methods
JIS K 0093:2002 Testing method for polychlorobiphenyl in industrial water and wastewater
JIS K 0093:2006 Testing methods for polychlorobiphenyl in industrial water and wastewater
JIS K 2609:1990 Crude petroleum and petroleum products -- Determination of nitrogen content
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
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 K 0450-30-10:2002 Testing method for phthalic acid esters in industrial water and wastewater
JIS K 0450-30-10:2006 Testing method for phthalic acid esters in industrial water and wastewater
JIS K 0103:1995 Methods for determination of sulfur oxides in flue gas
JIS K 0098:1988 Methods for determination of carbon monoxide in flue gas
JIS K 0103:2005 Methods for determination of sulfur oxides in flue gas
JIS K 0103:1999 Methods for determination of sulfur oxides in flue gas
JIS K 0400-44-40:2000 Water quality -- Determination of Kjeldahl nitrogen -- Method after mineralization with selenium
JIS K 0551:1994 Testing methods for total organic carbon in highly purified water
JIS K 0125:1995 Testing methods for volatile organic compounds in industrial water and waste water
JIS K 0125:2016 Testing methods for volatile organic compounds in industrial water and waste water
JIS K 0107:2002 Methods for determination of hydrogen chloride in flue gas
JIS K 0107:2012 Methods for determination of hydrogen chloride in flue gas
JIS K 0103:2011 Methods for determination of sulfur oxides in flue gas
JIS K 0450-60-10:2007 Testing method for individual 4-nonylphenol isomers in industrial water and wastewater
JIS K 0350-30-10:2002 Testing methods for detection and enumeration of heterotrophic bacteria in industrial water and wastewater
JIS K 0350-50-10:2006 Testing method for detection and enumeration of Legionella in industrial water and wastewater
JIS K 0450-40-10:2004 Testing method for hexanedioic acid bis(2-ethylhexyl) ester in industrial water and wastewater
JIS K 0350-10-10:2002 Testing methods for standard plate counts of heterotrophic bacteria in industrial water and wastewater
JIS K 0350-20-10:2001 Testing methods for detection and enumeration of coliform organisms in industrial water and waste water

SE-SIS, Determination method 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
SIS SS 02 81 76-1986 Determination of total cyanide in water - Photometric or titrimetric method
SIS SS 02 81 43-1990 Determination of biochemicaloxygen demand, BODi of waste water — Dilution method

Association of Official Analytical Chemists (AOAC), Determination method of total nitrogen in wastewater

AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods
AOAC 962.16 AOAC Official Method 962.16 Sulfurous Acid (Total) in Food Modified Monier-Williams Method

Korean Agency for Technology and Standards (KATS), Determination method 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 D 2555-1995 Methods for determination of nitrogen in tantalum
KS D 2555-2015 Methods for determination of nitrogen in tantalum
KS D 1811-1993 Methods for determination of nitrogen in iron and steel
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 D 1811-2003 Methods for determination of nitrogen in iron and steel
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 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 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 2530-2021 Methods for determination of nitrogen in titanium and titanium alloys
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS M 2104-2005(2010) Methods for determination of hydrogen cyanide in exhaust gas
KS M 0030-1993 Methods for determination of phenols in exhaust gas
KS M 2303-2014 Methods for determination of carbon disulfide in exhaust gas
KS M 0030-1987 Methods for determination of phenols in exhaust gas
KS I 3226-2009 Method for determination of tetra-through octa-chlorodibenzo-p-dioxins, tetra-though octa-chlorodibenzofurans and coplanar polychlorobiphenyls in industrial water and wastewater
KS I ISO 9696-2007(2017) Water quality－Measurement of gross alpha activity in non-saline water－Thick source method
KS I 2215-2011 Measuring method for particle-size distribution of dusts in flue gas
KS I 3212-2007(2017) Testing methods for volatile organic compounds in industrial water and waste water

British Standards Institution (BSI), Determination method 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 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 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 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 25663:1993 Water quality. Determination of Kjeldahl nitrogen. Method after mineralization with selenium
21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS EN 15216:2007 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
21/30426875 DC BS ISO 23697-1. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 1. Dimethylphenol based method
BS ISO 23697-2:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Chromotropic acid colour reaction
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 EN ISO 7899-1:1999 Water quality. Detection and enumeration of intestinal enterococci in surface and waste water. Miniaturized method (Most probable number) for surface and waste water
BS DD CEN/TS 15750:2009 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS ISO 10704:2010 Water quality. Measurement of gross alpha and gross beta activity in non-saline water. Thin source deposit method
BS ISO 10704:2009 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method

GOSTR, Determination method 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

Taiwan Provincial Standard of the People's Republic of China, Determination method 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.

German Institute for Standardization, Determination method of total nitrogen in wastewater

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 EN 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
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 EN 15216:2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates; English version of DIN EN 15216:2008-01
DIN 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
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 17892:2022 Water quality - Determination of the sum of perfluorinated substances (Sum of PFAS) in drinking water - Method using liquid chromatography/mass spectrometry (LC/MS); German and English version prEN 17892:2022
DIN 38409-9:1980-07 German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the settleable matter by volume in water and waste water (H9)
DIN EN 17892:2022-09 Water quality - Determination of the sum of perfluorinated substances (Sum of PFAS) in drinking water - Method using liquid chromatography/mass spectrometry (LC/MS); German and English version prEN 17892:2022 / Note: Date of issue 2022-08-12
DIN EN 25663:1993 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993

VN-TCVN, Determination method of total nitrogen in wastewater

TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 7245-2003 Health care solid waste incinerator.Determination method of nitrogen oxides (NOx) concentration in fluegas
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 7241-2003 Health care solid waste incinerators.Determination method of dusts concentration in fluegas

Indonesia Standards, Determination method of total nitrogen in wastewater

SNI 4146-2013
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 06-6989.12-2004 Water and waste water - Part 12: Test methods of hardness of calcium (Ca) and magnesium (Mg) total by titrimetry methods
SNI 13-4699-1998 Determination of total manganese (Mn-total) in manganese ores sample
SNI 06-6989.14-2004 Water and waste water - Part 14: Test methods of dissolved oxygen by iodometry (azide modification)
SNI 06-4563-1998 Test methods for suspension content in leather tanning waste water
SNI 1971-2011 Cara uji kadar air total agregat dengan pengeringan
SNI 6989.17-2009

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, Determination method 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）
GB/T 35151-2017 Determination of total organic carbon in limestone

Professional Standard - Agriculture, Determination method of total nitrogen in wastewater

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)
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
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 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
水和废水监测分析方法 5.2.8-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter Two Bacteriological Determination in Water Eight Determination of Faecal Streptococcus in Water (B)
GB/T 5009.11-1996 Determination method of total arsenic in food
GB/T 5009.17-1996 Determination method of total mercury in food
水和废水监测分析方法 5.2.7-2003 Chapter 5 Water and Wastewater Biological Monitoring Methods Chapter 2 Bacteriological Determination in Water 7 Determination of Salmonella in Water (B)
水和废水监测分析方法 5.2.6-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter Two Bacteriological Determination in Water Six Determination of Fecal Coliform Bacteria in Water (B)
SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
水和废水监测分析方法 5.2.3-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 2 Bacteriological Determination in Water Preparation of Three Mediums
水和废水监测分析方法 5.2.2-2003 Chapter 5 Water and Wastewater Biological Monitoring Methods Chapter 2 Bacteriological Determination in Water 2 Collection and Preservation of Water Samples
水产品质量安全检验手册 2.17.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Base Nitrogen in Aquatic Products (GBT 5009.44-2003) 1. Semi-trace Nitrogen Determination Method
NY/T 1594-2008 Determination of total dietary fiber in fruit. Non-enzymatic-Gravimetric method
水和废水监测分析方法 5.2.1-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 2 Bacteriological Determination in Water-Laboratory Quality Assurance
GB/T 5009.3-1985 Method for Determination of Moisture in Food
NY/T 30-1986 Determination of rare earth oxide content in soil.Chlorophosphonazo-p-hippuric acid photometric method
GB 6260-1986 Determination of Total Oxidized Rare Earth in Soil Spectrophotometric Method for Azochlorophosphorus Hippurate

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination method 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 19227-2008 Determination of nitrogen in coal
GB/T 27978-2011 Determination of the waste content in the raw mix of cement
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 23952-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Distillation-acid-base titrations method
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 12456-1990 Method for determination of total acid in foods
GB/T 23869-2009 Method for determination of the total mercury in pollen
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 30728-2014 Determination of nitrogen in solid biofuels
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 23772-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Nessler's reagent colorimetric method
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
GB/T 13598-1992 A method for the determination of agricultural chemical residues containing nitrogenous in tobacco leaves
GB/T 11446.8-2013 Test method for total organic carbon in electronic grade water
GB/T 11446.8-1997 Test method for total organic carbon in electronic grade water
GB/T 19227-2003 Determination of nitrogen in coal and coke semi-micro gasification method
GB/T 13093-1991 Method for determination of aerobic bacterial count in feeds
GB 13093-1991 Method for determiantion of aerobic bacterial count in feeds
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric 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 12143.2-1989 Determination method for amino nitrogen content in fruit and vegetable juice beverages--Formol number
GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 211-1996 Determination of total moisture in coal
GB/T 14769-1993 Method for determination of moisture in foods
GB/T 211-2007 Determination of total moisture in coal
GB/T 211-2017 Determination of total moisture in coal
GB 12143.2-12143.3-89 Determination method for amino nitrogen content in fruit and vegetable juice beverages-Formol number Determination method for L-ascorbic acid in fruit and vegetable juice beverages-Ethyl ether extract
GB/T 24318-2009 Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content

RU-GOST R, Determination method 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 EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
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 27588-1991 Hard coal coke. Method for determination of total moisture content
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 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 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 30181.7-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, using hypochlorite method)
GOST 2082.2-1981 Molibdenum concentrates. Method for the determination of total moisture and oil content
GOST 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)

Professional Standard - Coal, Determination method 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
MT/T 890-2000 Determination of lithium in coal mine water
MT/T 891-2000 Determination of boron in coal mine water
MT/T 893-2000 Determination of bromine in coal mine water
MT/T 359-2005 Determination of arsenic in coal mine water
MT/T 359-1994 Determination method of arsenic in coal mine water
MT/T 806-1999 Determination of trace oil in groundwater from coal mines
MT/T 256-2000 Measuring method of pH value in coal mine water

Professional Standard - Urban Construction, Determination method 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

Danish Standards Foundation, Determination method of total nitrogen in wastewater

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 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
DS/EN 15216:2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection

Lithuanian Standards Office , Determination method of total nitrogen in wastewater

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 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
LST EN 15216-2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
LST 1611-2000 Confectionery. Methods for determination moisture and total solids content

AENOR, Determination method of total nitrogen in wastewater

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 77035:1983 WATER ANALYSIS METHODS IN INDUSTRIAL WASTES. DETERMINATION OF ACIDITY
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE-EN 15216:2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
UNE-EN 25663:1994 WATER QUALITY. DETERMINATION OF KJELDAHL NITROGEN. METHOD AFTER MINERALIZATION WITH SELENIUM. (ISO 5663:1984).

Association Francaise de Normalisation, Determination method of total nitrogen in wastewater

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 EN 16168:2012 Boues, biodéchets traités et sols - Détermination de la teneur totale en azote par combustion sèche
NF X30-480:2007 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates.
NF X31-036*NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method.
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
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 M07-058:1992 Produits pétroliers - Dosage de l'azote total dans les distillats pétroliers - Méthode par combustion et détection par chimioluminescence.
NF M60-325:2005 Energie nucléaire - Technologie du cycle du combustible - Déchets - Détermination de l'activité du tritium dans les effluents et déchets par scintillation liquide
NF M60-819:2010 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method.

KR-KS, Determination method 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
KS I 3212-2023 Testing methods for volatile organic compounds in industrial water and waste water

Professional Standard - Chemical Industry, Determination method 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
HG/T 4549-2013 Determination of thallium in waste chemicals
HG/T 4552.1-2013 Method for the measurement tin-content in spent tin-stripping solution.Part 1:Potassium iodate titration method
HG/T 4327-2012 Reclaimed water.Determination of total iron content.Spectrophotometric method
HG/T 4552.2-2013 Method for the measurement tin-content in spent tin-stripping solution.Part 2:Atomic absorption spectrophotometry method

European Committee for Standardization (CEN), Determination method 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 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 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 10704:2015 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method
EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
PD CEN/TS 17189:2018 Materials obtained from end of life tyres (ELT) - Determination of the true density of granulates - Method based on water pycnometry

Standard Association of Australia （SAA）, Determination method 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
AS 1050.12:1983/Amdt 1:1984
AS 2300.1.2.2:2008 Methods of chemical and physical testing for the dairying industry Method 1.2.2: General methods and principles- Determination of nitrogen—Nitrogen fractions from milk

Hebei Provincial Standard of the People's Republic of China, Determination method of total nitrogen in wastewater

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

Professional Standard - Commodity Inspection, Determination method of total nitrogen in wastewater

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 4042-2014 Determination of azide in wines for export
SN/T 2115-2008 Determination of the hotel nitrogen content and calculation of the crude protein content in food and feed for import and export.Combustion according to the Dumas principle
SN/T 1083.4-2012 Determination of total moisture in coke

CZ-CSN, Determination method 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 66 8102 Cast.17-1997
CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals

RO-ASRO, Determination method of total nitrogen in wastewater

STAS 12200-1985 SLUDGES RESULTED FROM= SURFACE WATERS TREATMENT AND WASTE WATERS PURIFI- CATION Nitrogen content determination

Professional Standard - Environmental Protection, Determination method of total nitrogen in wastewater

HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
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 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry

中华人民共和国国家卫生和计划生育委员会, Determination method 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

Canadian General Standards Board （CGSB), Determination method 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. 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)

Professional Standard - Nuclear Industry, Determination method 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
EJ/T 20093-2014 Determination of total α activity in intermediate level radioactive liquid waste and its sludge.TRPO extraction α counting method
EJ/T 1075-1998 Determination of gross alpha activity in water thick source method

International Organization for Standardization (ISO), Determination method of total nitrogen in wastewater

ISO 6851:2001 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube 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 6851:1987 Photography; Processing waste; Determination of total amino nitrogen; Microdiffusion Kjeldahl method
ISO 10704:2009 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method

工业和信息化部, Determination method of total nitrogen in wastewater

HG/T 5772-2021 Determination method of fluorine in waste sulfuric acid
HG/T 6107-2022 Determination method of sodium ions in waste sulfuric acid
HG/T 5769-2021 Determination method of copper in copper-based waste catalysts
HG/T 5016-2016 Determination method of fluorine content in fluorine-containing waste gas
HG/T 6110-2022 Determination method of calcium and magnesium ions in waste sulfuric acid
HG/T 6108-2022 Determination method of chloride ion content in waste sulfuric acid
HG/T 6109-2022 Determination method of chemical oxygen demand (COD) in waste sulfuric acid

YU-JUS, Determination method of total nitrogen in wastewater

JUS H.G8.298-1987 Reagents. Oxaiic acid dihydrate. Determination of total nitrogen content. Colorimetric metbod
JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method
JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium
JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?

Military Standard of the People's Republic of China-General Armament Department, Determination method of total nitrogen in wastewater

GJB 7186-2011 Determination of CS in waster.Chromatography

BE-NBN, Determination method of total nitrogen in wastewater

NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method
NBN T 94-301-1976 Determination of nitrogen dioxyde contents of ambient air -Griess-Saltzman method
NBN T 94-302-1976 Determination of nitrogen oxydes and of nitrogen monoxyde contents of ambient air - Griess-Saltzman method

ZA-SANS, Determination method of total nitrogen in wastewater

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

PH-BPS, Determination method of total nitrogen in wastewater

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

American National Standards Institute （ANSI), Determination method of total nitrogen in wastewater

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

ES-UNE, Determination method 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.)
UNE-CEN/TS 17189:2018 Materials obtained from end of life tyres (ELT) - Determination of the true density of granulates - Method based on water pycnometry (Endorsed by Asociación Española de Normalización in May of 2020.)

未注明发布机构, Determination method of total nitrogen in wastewater

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

Henan Provincial Standard of the People's Republic of China, Determination method 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, Determination method of total nitrogen in wastewater

EN 15216:2007 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
EN ISO 10704:2019 Water quality - Gross alpha and gross beta activity - Test method using thin source deposit
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

NO-SN, Determination method of total nitrogen in wastewater

NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

Tianjin Provincial Standard of the People's Republic of China, Determination method of total nitrogen in wastewater

DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples
DB12/T 1015-2020 Determination of Nitrogen and Phosphorus in Dung Water of Dairy Farms Mid-infrared Attenuated Total Reflectance Spectrometry

Shandong Provincial Standard of the People's Republic of China, Determination method of total nitrogen in wastewater

DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method

AT-ON, Determination method of total nitrogen in wastewater

ONORM M 6248-1988 Water quality; determlnation of Kjeldabl nitrogen; method ajter mineralization with selenium
ONORM M 6271-1985 Water analysis; determination of the settleable matter by volumein water and waste water

中华人民共和国环境保护部, Determination method 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, Determination method 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

IN-BIS, Determination method of total nitrogen in wastewater

Professional Standard - Aviation, Determination method of total nitrogen in wastewater

HB 5297.17-1984 Determination of Nitrogen in Titanium and Titanium Alloys by Steam Distillation

Shanxi Provincial Standard of the People's Republic of China, Determination method of total nitrogen in wastewater

DB14/T 1099-2015 Determination of Hydrolyzable Nitrogen in Soil Alkaline Hydrolysis Distillation Potentiometric Titration
DB14/T 926-2014 Rapid Determination Method of Total Arsenic in Soil

NL-NEN, Determination method 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

Yunnan Provincial Standard of the People's Republic of China, Determination method of total nitrogen in wastewater

DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration

ES-AENOR, Determination method of total nitrogen in wastewater

Xinjiang Provincial Standard of the People's Republic of China, Determination method of total nitrogen in wastewater

DB65/T 2683-2007 Test method for the waste residue mixes the increment in building materials products
DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil

Guizhou Provincial Standard of the People's Republic of China, Determination method of total nitrogen in wastewater

DB52/T 423-1999 Method for Determination of Addition of Waste Slag in Building Material Products
DB52/T 1036-2015 Method for Determination of Addition of Waste Slag in Building Material Products

Canadian Standards Association (CSA), Determination method of total nitrogen in wastewater

CSA Z223.24 -M1983-1983 Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air General Instruction No 1 R(1999)

BR-ABNT, Determination method of total nitrogen in wastewater

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

煤炭工业部, Determination method of total nitrogen in wastewater

MT/T 742-1997 Determination method of chromium in coal mine water
MT/T 743-1997 Determination method of phosphorus in coal mine water

Professional Standard - Ocean, Determination method of total nitrogen in wastewater

HY/T 263-2018 Determination of dissolved nitrous oxide in seawater—Headspace equilibrium gas chromatography method

Fujian Provincial Standard of the People's Republic of China, Determination method of total nitrogen in wastewater

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

Professional Standard - Tobacco, Determination method of total nitrogen in wastewater

YC/T 157-2001 Cigarettes---Determination of water in smoke condensates----Gas-chromatographic method

FI-SFS, Determination method of total nitrogen in wastewater

SFS 3003-1974

TR-TSE, Determination method of total nitrogen in wastewater

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

Liaoning Provincial Standard of the People's Republic of China, Determination method of total nitrogen in wastewater

DB21/T 2071-2013 Determination method of total carbon in magnesia carbonaceous refractories

Professional Standard - Electron, Determination method of total nitrogen in wastewater

SJ 2804.1-1987 Method for determination of Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part one)
SJ 2804.2-1987 Method for determination of trace Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part two)