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Sewage total nitrogen content

Sewage total nitrogen content, Total:369 items.

In the international standard classification, Sewage total nitrogen content involves: Water quality, Analytical chemistry, Fertilizers, Milk and milk products, Inorganic chemicals, Soil quality. Pedology, Fuels, Coals, Edible oils and fats. Oilseeds, Animal feeding stuffs, Rubber, Protection against fire, External water conveyance systems, Paints and varnishes, Wastes, Air quality, Beverages, Photography, Farming and forestry, Leather technology, Organic chemicals, Ferroalloys, General methods of tests and analysis for food products, Raw materials for rubber and plastics, Petroleum products in general, Construction materials, Radiocommunications, Radiation protection, Road vehicles in general, Meat, meat products and other animal produce, Radiation measurements, Cereals, pulses and derived products, Metalliferous minerals, Sugar. Sugar products. Starch, Products of the chemical industry, Plastics, Shipbuilding and marine structures in general, Fruits. Vegetables.

PL-PKN, Sewage total nitrogen content

PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
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

NL-NEN, Sewage total nitrogen content

NEN 6642-1992 Water-Calculation of total nitrogen 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 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 6441-1979 Water -Determination of total hardness and calcium and magnesium content
NEN 6489-1982 Water - Photometric determination of total cyanide content
NEN 5934-1990 Aggregates for concrete - Determination of total moisture content
NEN 6395-1992 Fruit lemonades - Determination of total phosphorus content - Spectrometric method
NEN 6578-1985 Rain water - Potentiometric determination of total inorganic fluoride content
NEN 6483-1982 Water - Potentiometric determination of the total fluoride content
NEN 6641-1983 Sludge - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6622-1988 Sludge - Determination of sand and other acidinsoluble material, and the fraction with a partiele size greater than 0,1 mm - Gravimetric method

National Sanitation Foundation (NSF), Sewage total nitrogen content

NSF 245A-2010 Wastewater Treatment Systems - Nitrogen Reduction

CZ-CSN, Sewage total nitrogen content

CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 83 0540 Cast.27-1987 Chemical and physical analysis of waste waters. Determination of total cyanides
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 44 1384-1978 Determination of total moisture content in coke
CSN 83 0521 Cast.5-1976 Determination of tars in phenol waste waters
CSN 83 0570-1963 Determination of sulphocyanides in phenol waste waters
CSN 83 0571-1963 Determination of tars in phenol waste waters

Taiwan Provincial Standard of the People's Republic of China, Sewage total nitrogen content

CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water
CNS 4051-1976 Methods for Determination of Nitrate Nitrogen in Polluted and Waste Water
CNS 4052-1976 Methods for Determination of Nitrite Nitrogen in Polluted and Waste Water
CNS 3797-1975 Method for Measuring Water Content in Stack Gas

HU-MSZT, Sewage total nitrogen content

Professional Standard - Agriculture, Sewage total nitrogen content

NY/T 1977-2010 Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content
NY/T 2542-2014 Fertilizers.Determination of total nitrogen content
GB 8572-1988 Determination of total nitrogen content in compound fertilizer
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
NY/T 2010-2011 Determination of total flavonoids in citrus fruits and derived products

PT-IPQ, Sewage total nitrogen content

NP 3646-1987
NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method
NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method
E 211-1967

Association Francaise de Normalisation, Sewage total nitrogen content

NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF EN 16168:2012 Boues, biodéchets traités et sols - Détermination de la teneur totale en azote par combustion sèche
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
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 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 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 X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
NF X34-117*NF EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
NF X43-018:1983 Air pollution. Measurement of nitrogen oxides by chemiluminescence.
NF EN ISO 16948:2015 Biocombustibles solides - Détermination de la teneur totale en carbone, hydrogène et azote
NF ISO 13878:1998 Qualité du sol - Détermination de la teneur totale en azote par combustion sèche ("analyse élémentaire")
NF M01-015*NF ISO 579:2013 Coke - Determination of total moisture
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 EN 12880:2000 Caractérisation des boues - Détermination de la teneur en matière sèche et de la teneur en eau
NF EN 13716:2002 Agents de surface - Détermination de la teneur en azote total basique - Titrage potentiométrique
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
NF V76-134*NF EN 12135:1997 Fruit and vegetable juices. Determination of nitrogen content. Kjeldahl method.
NF U44-108:1982 Boues des ouvrages de traitement des eaux usées urbaines - Boues liquides - Échantillonnage en vue de l'estimation de la teneur moyenne d'un lot
NF T90-107:1978 TESTING WATER: DETERMINATION OF TOTAL CYANIDES CONTENT.
NF EN 13211:2001 Qualité de l'air - Émissions de sources fixes - Méthode manuelle de détermination de la concentration en mercure total
NF T90-203:1979 Testing water - Aqueous effluents from petroleum refineries - Determination of total hydrocarbons.
NF V04-407:2002 Meat, meat product and fishery products - Determination of nitrogen content and calculation of the protein content - Kjeldahl method.
NF M60-815:2008 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method.
NF M60-816:2008 Water quality - Measurement of gross beta activity in non-saline water - Thick source method.
NF V03-767-1*NF EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1 : oilseeds and animal feeding stuffs.
NF X43-020:1983 ATMOSPHERIC POLLUTION. DETERMINATION OF TOTAL GASEOUS SULPHUR OR SULPHUR DIOXIDE ONLY BY FLAME. PHOTOMETRY IN AMBIANT AIR.
NF EN ISO 16634-1:2008 Produits alimentaires - Détermination de la teneur en azote total par combustion selon le principe Dumas et calcul de la teneur en protéines brutes - Partie 1 : graines oléagineuses et aliments des animaux

SE-SIS, Sewage total nitrogen content

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS 02 81 27-1974 Determ i nation of total phosphorous content of water
SIS SS 18 71 70-1990 Biofuels and peat — Determination of total moisture content
SIS SS 02 81 01-1992 Nitrogen content of water — Determination with Kjeldahl method after reduction with Devarda's alloy

VN-TCVN, Sewage total nitrogen content

TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 5265-1990 Bee products.Determination of total nitrogen content
TCVN 7252-2003 Tobacco and tobacco products.Determination of total nitrogen content
TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
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 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content
TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
TCVN 6053-2011 Water quality.Measurement of gross alpha activity in non-saline water.Thick source method
TCVN 6219-2011 Water quality.Measurement of gross beta activity in non-saline water.Thick source method

YU-JUS, Sewage total nitrogen content

JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.298-1987 Reagents. Oxaiic acid dihydrate. Determination of total nitrogen content. Colorimetric metbod
JUS H.G8.261-1987 Reagents. Barium chloride dihydrate. Determination of total nitrogen content. Colorimetric method
JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric 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.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method
JUS H.G8.457-1991 Reagents. Potassium sulpbate. Determination of total nltrogen content. Colorlmetrlc metho?
JUS H.G8.083-1983 Reagents. Sodium chloride. Determination of total nitrogen content. Colorimetric method
JUS H.G8.435-1990 Reaqents. Potassium iodide. Determination of total nitroaen content. Colorimetric method
JUS H.G8.055-1983 Reagents. Hydrogen peroxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.290-1987 Reagents. Copper(ll) oxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.415-1991 Reagents. So?ium hydroxide. 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 E.Z8.016-1993 Soups,broaths,sauces and seasonings - Determination of total nitrogen content
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
JUS H.G8.467-1991 Reagents.Nickel(II) sulphate x-hydrate.Determination of total nitrogen content.Colorimetric method
JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Sewage total nitrogen content

GB/T 23835.12-2009 Lithium perchlorate anhydrous.Part 12:Determination of total nitrogen content
GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 31409-2015 Standard test method for total copper in antifouling paints
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 9823-2008 Inspection of grain and oils.Determination of total nitrogen content in plant oilseeds residues
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 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
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 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 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 23952-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Distillation-acid-base titrations method
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
GB/T 5687.2-2007 Ferrochromium,silicochromium and nitrogen-bearing Ferrochromium-Determination of silicon content-The perchloric acid dehydration gravimetric 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, Sewage total nitrogen content

GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST R 51438-1999 Fruit and vegetable juices. Kjeldahl method for determination of nitrogen content
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 29302-1992 Ammonium nitrate for industrial use. Method for determination of total nitrogen content (titrimetric) after distillation
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
GOST 18164-1972 Drinking water. Method for determination of total solids content
GOST R 52911-2013 Solid mineral fuel. Determination of total moisture
GOST 2082.2-1981 Molibdenum concentrates. Method for the determination of total moisture and oil content
GOST 32975.2-2014 Solid biofuels. Determination of moisture content. Oven dry method. Part 2. Total moisture. Simplified method
GOST 32459-2013 White phosphorus. Determination in water by gas chromatography with nitrogen-phosphorus detector
GOST 30181.1-1994 Mineral fertilizers. Method for determination of total overall mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, with deammoniation)
GOST 30181.2-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in single - component fertlizers (in ammonium and amide forms, no deammoniation)
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)

Indonesia Standards, Sewage total nitrogen content

SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 06-6323-2000 Determination of total nitrogen content in peat
SNI 4146-2013
SNI 06-6989.14-2004 Water and waste water - Part 14: Test methods of dissolved oxygen by iodometry (azide modification)
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

Jilin Provincial Standard of the People's Republic of China, Sewage total nitrogen content

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

Professional Standard - Urban Construction, Sewage total nitrogen content

CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method
CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
CJ/T 55-1999 Municipal sewage.Determination of total solid.Gravimetric method
CJ 26.5-1991 Municipal sewage water quality inspection method Standard gravimetric method for total solids

International Organization for Standardization (ISO), Sewage total nitrogen content

ISO 3099:1974 Oilseed residues — Determination of total nitrogen content
ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
ISO 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
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
ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
ISO 6851:2001 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
ISO 914:1977 Sulphuric acid and oleum for industrial use; Determination of total nitrogen content; Titrimetric method after distillation
ISO 8245:1987 Water quality; Guidelines for the determination of total organic carbon (TOC)
ISO 6851:1987 Photography; Processing waste; Determination of total amino nitrogen; Microdiffusion Kjeldahl method
ISO 9696:2007 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
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 5068-1:2007 Brown coals and lignites - Determination of moisture content - Part 1: Indirect gravimetric method for total moisture

RO-ASRO, Sewage total nitrogen content

SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content
SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation
STAS 7312-1983 SURFACE AND RESIDUAL WATERS Determination of azote content
STAS 5951-1983 VEGETABLES AND FrUJIT PHODLCTS Dctcrmination of net mass, total vegetable or fruit content and of single component content as against net mass
STAS 13117-1992 Sludges resulting from the surface waters treatment and used waters purding. Determination of the chrome conten
STAS SR 13179-1994 Sludges resulting from the surface waters treatment and used waters purging. Determination of the copper content
STAS 11277/13-1981 MINERAL WATERS Determination of total sulphides
STAS SR 13181-1994 Sludges resulting from the surface waters treatment and used waters purging. Determination of the zinc content
STAS 10686-1976 Sewerages TANKS FOR THE UNIFORMIZATION OF WASTEINDUSTRIAL WATER FLOWS AND QUALITY General rules for designing
STAS 9065/7-1974 MEAT AND MEAT PRODUCTS Determination of easyly hydrolisable nitrogen content
STAS 13094-1992 Sludges resulting from the surface waters and from the treatement of the used waters. Determination of the nickel content
STAS 12200-1985 SLUDGES RESULTED FROM= SURFACE WATERS TREATMENT AND WASTE WATERS PURIFI- CATION Nitrogen content determination
STAS 12876-1990 Sludges resulted from surface waters treatment and waste waters purification. Cadmium content determination
STAS 12607-1988 SLUDGES RESULTED FROM TREATMENT OF SURFACE WATERS AND WASTE WATERS PURIFICATION Content determination of extractable substances in petroleum ether
STAS 12834-1990 SLUDGES RESULTED FHON SURFACE WATERS TREATMENT AND WASTE WATERS PURIFICATION Calcium content determination
STAS 12833-1990 SLUDGES REZULTED FROM SUREACE WATERS TREATMENT AND WASTE WATERS PURIFICATION Magnesium content determination
STAS SR 13225-1995 Sludges resulting from the surface waters treatment and used waters purding. Determination of the lead content. Spectrometric method of atomic absorption.

German Institute for Standardization, Sewage total nitrogen content

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 14672:2005 Characterization of sludges - Determination of total phosphorus; English version of DIN EN 14672
DIN ISO 11261:1997 Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN ISO 16948:2015-09 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015); German version EN ISO 16948:2015
DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
DIN 53308:1968 Testing of leather; determination of the contents of total nitrogen and of ammonium salts, calculation of hide substance
DIN EN 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN<(Index)b>), following oxidation to nitrogen oxides; German version EN 12260:2003
DIN CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
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 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 ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN EN ISO 7393-3:2000 Water quality - Determination of free chlorine and total chlorine - Part 3: Iodometric titration method for the determination of total chlorine (ISO 7393-3:1990); German version EN ISO 7393-3:2000
DIN EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN 12880:2001-02 Characterization of sludges - Determination of dry residue and water content; German version EN 12880:2000 / Note: To be replaced by DIN EN 15934 (2009-05).
DIN EN 12880:2001 Characterization of sludges - Determination of dry residue and water content; German version EN 12880:2000
DIN 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 (ISO 13395:1996); German version EN ISO 13395:1996
DIN EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); English version of DIN EN ISO 16634-1:
DIN EN 1484:1997 Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC); German version EN 1484-1997
DIN EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015); German version EN ISO 16948:2015
DIN ISO 4576:2001 Plastics - Polymer dispersions - Determination of sieve residue (gross particle and coagulum content) (ISO 4576:1996)
DIN EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version EN 15104:2011

British Standards Institution (BSI), Sewage total nitrogen content

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 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 DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN ISO 16948:2015 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS ISO 29541:2010 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental 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 DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
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 7393-3:1990 Water quality. Determination of free chlorine and total chlorine. Iodometric titration method for the determination of total chlorine
BS EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
BS EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
BS DD CEN/TS 14774-1:2004 Solid biofuels - Methods for the determination of moisture content - Oven dry method - Total moisture - Reference method
BS DD CEN/TS 14774-2:2004 Solid biofuels - Methods for the determination of moisture content - Oven dry method - Total moisture - Simplified method
BS ISO 6851:2002 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
BS ISO 5068-1:2007 Brown coals and lignites - Determination of moisture content - Indirect gravimetric method for total moisture
BS ISO 9697:2015 Water quality. Gross beta activity in non-saline water. Test method using thick source
DD CEN/TS 15414-2:2010 Solid recovered fuels. Determination of moisture content using the oven dry method - Determination of total moisture content by a simplified method
BS ISO 9696:2007 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
BS ISO 9697:2008 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
BS EN 16168:2012 Sludge, treated biowaste and soil. Determination of total nitrogen using dry combustion method
BS DD CEN ISO/TS 16634-2:2010 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Cereals, pulses and milled cereal products
BS EN 12880:2000 Characterization of sludges - Determination of dry residue and water content
BS EN ISO 18134-1:2015 Solid biofuels. Determination of moisture content. Oven dry method. Total moisture. Reference method
BS EN 14774-1:2009 Solid biofuels - Determination of moisture content - Oven dry method - Total moisture - Reference method
BS EN 14774-1:2010 Solid biofuels. Determination of moisture content. Oven dry method. Total moisture. Reference method

European Committee for Standardization (CEN), Sewage total nitrogen content

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 14672:2005 Characterization of sludges - Determination of total phosphorus
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 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)
EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
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)
EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
EN 12880:2000 Characterization of sludges - Determination of dry residue and water content
EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
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 13137:2001 Characterization of waste - Determination of total organic carbon (TOC) in waste, sludges and sediments

Danish Standards Foundation, Sewage total nitrogen content

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DS 292:1985 Water analysis. Total phosphor. Photometric method
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
DS 285:1990 Water qulity. Total arsenic content. Spectrophotometric method
DS 291:1985 Water analysis. Phosphate. Photometric method
DS/EN 12880:2001 Characterization of sludges - Determination of dry residue and water content

国家市场监督管理总局、中国国家标准化管理委员会, Sewage total nitrogen content

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

Shandong Provincial Standard of the People's Republic of China, Sewage total nitrogen content

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

Korean Agency for Technology and Standards (KATS), Sewage total nitrogen content

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 I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS M ISO 16948:2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS E ISO 589-2002(2017) Metallic and other non-organic coatings－Measurement of coating thicknesses－Fizeau multiple-beam interferometry method
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS M ISO 15672:2007 Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS M ISO 15672-2007(2017) Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS M ISO 15672-2007(2022) Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS F 2550-2017 Methods of test for total moisture content of aggregate and surface moisture in aggregate by drying
KS I ISO 9696:2007 Water quality－Measurement of gross alpha activity in non-saline water－Thick source method
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

FI-SFS, Sewage total nitrogen content

SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation
SFS 3039-1975

Professional Standard - Commodity Inspection, Sewage total nitrogen content

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 0393-2013 Determination of total mercury in seafood for exports

Lithuanian Standards Office , Sewage total nitrogen content

LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
LST EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)
LST EN 12880-2002 Characterization of sludges - Determination of dry residue and water content
LST 1611-2000 Confectionery. Methods for determination moisture and total solids content

AENOR, Sewage total nitrogen content

UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").

BE-NBN, Sewage total nitrogen content

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 03-019-1979 Sulphuric acid and oleum for industrial use - Determination of total nitrogen content - Titrimetric method after distillation

KR-KS, Sewage total nitrogen content

KS M ISO 16948-2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen

未注明发布机构, Sewage total nitrogen content

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

ES-UNE, Sewage total nitrogen content

UNE-EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)
UNE-EN 12880:2001 Characterization of sludges - Determination of dry residue and water content.

Group Standards of the People's Republic of China, Sewage total nitrogen content

T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method

Tianjin Provincial Standard of the People's Republic of China, Sewage total nitrogen content

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

CEN - European Committee for Standardization, Sewage total nitrogen content

EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content
PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods

Canadian Standards Association (CSA), Sewage total nitrogen content

CAN/CSA-ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (First Edition)

Henan Provincial Standard of the People's Republic of China, Sewage total nitrogen content

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

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, Sewage total nitrogen content

GB/T 34532-2017 Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 33400-2016 Determination of total contamination in middle distillates, diesel fuels andDetermination of total contamination in middle distillates, diesel fuels and fatty acid methyl esters

Heilongjiang Provincial Standard of the People's Republic of China, Sewage total nitrogen content

DB23/T 2668-2020 Technical regulations for staged diagnosis of total nitrogen fertilizer control in rice

工业和信息化部, Sewage total nitrogen content

YB/T 4566.5-2016 Determination of vanadium ferrosilicon content by sulfuric acid dehydration gravimetric method
YB/T 4582.8-2017 Determination of silicon content in ferrosilicon nitride perchloric acid dehydration gravimetric method

ZA-SANS, Sewage total nitrogen content

SANS 12902:2007 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
SANS 7393-3:2005 Water quality - Determination of free chlorine and total chlorine Part 3: Iodometric titration method for the determination of total chlorine
SANS 5849:2008 Total water-soluble salts content of fines in aggregates
SANS 5849:2002 Total water-soluble salts content of fines in aggregates
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

Professional Standard - Environmental Protection, Sewage total nitrogen content

HJ/T 92-2002 Technical requirements for monitoring of total amount of pollutants in waste water

Fujian Provincial Standard of the People's Republic of China, Sewage total nitrogen content

DB35/ 321-1999 Minjiang River Water Pollutant Total Discharge Control Standard

BELST, Sewage total nitrogen content

STB 17.13.05-49-2021 Еnvironmental pгоtесtion аnd nature use. Sampling and measurements, monitoring. Water quality. Determination of the mass concentration of nitrogen-containing substances using photometric tests

AT-ON, Sewage total nitrogen content

ONORM S 7009-1982 Testing of leather; determination of the contents of total nitrogen and of ammonium salts; calculation of hide substance
ONORM M 6270-1985 Determination ofthe water content and dry residue and/or dry matter of Sludge and Sediments

American Society for Testing and Materials (ASTM), Sewage total nitrogen content

ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3223-95 Standard Test Method for Total Mercury in Water
ASTM D3223-02 Standard Test Method for Total Mercury in Water
ASTM D3223-02(2007)e1 Standard Test Method for Total Mercury in Water
ASTM D3223-12 Standard Test Method for Total Mercury in Water
ASTM C566-19 Standard Test Method for Total Evaporable Moisture Content of Aggregate by Drying
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 E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method

NO-SN, Sewage total nitrogen content

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

CU-NC, Sewage total nitrogen content

NC 24-65-1986 Inorganic Chemical Products Nitrogen. Determination of Water Vapor Content. Aerial Water Point Method
NC 28-08-1987 Fertilxzers. Mixed, Granulated and Complex Fertilizers. Determination of Total Nitrogen, Assimilable Phosphorus and Potassium by the Weighing Method

International Telecommunication Union (ITU), Sewage total nitrogen content

ITU-R P.836-4-2009
ITU-R P.836-4 FRENCH-2009 Water vapour: surface density and total columnar content
ITU-R P.836-4 SPANISH-2009 Water vapour: surface density and total columnar content
ITU-R P.836-2013 Water vapour: surface density and total columnar content
ITU-R P.836-5-2013 Water vapour: surface density and total columnar content

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, Sewage total nitrogen content

ITU-R P.836-6-2017 Water vapour: surface density and total columnar content
ITU-R P.836-2-2001 Water Vapour: Surface Density and Total Columnar Content
ITU-R P.836-1-1997 Water Vapour: Surface Density and Total Columnar Content

GOSTR, Sewage total nitrogen content

GOST R 52911-2020 Solid mineral fuel. Determination of total moisture

AR-IRAM, Sewage total nitrogen content

IRAM 15 702-1963

American National Standards Institute （ANSI), Sewage total nitrogen content

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

The American Road & Transportation Builders Association, Sewage total nitrogen content

AASHTO T 255-2000 Standard Method of Test for Total Evaporable Moisture Content of Aggregate by Drying

Japanese Industrial Standards Committee (JISC), Sewage total nitrogen content

JIS K 0400-22-10:1999 Water quality -- Guidelines for the determination of total organic carbon (TOC)
JIS M 8820:2000 Coal and coke -- Determination of total moisture content of a lot
JIS M 8820 ERRATUM 1:2001 Coal and coke -- Determination of total moisture content of a lot (Erratum 1)
JIS D 1030:1998 Automobiles -- Analytical procedure for measurement of carbon monoxide, carbon dioxide, total hydrocarbons and oxides of nitrogen in exhaust gas

Professional Standard-Ships, Sewage total nitrogen content

CB 3328.5-1988 Inspection method for water quality of discharge water from ship sewage treatment——Examination method for oil content in water
CB* 3328.5-1988 Method for inspecting quality of water discharged from treatment of vessel sewage. Method of test for oil content in water
CB/T 3328.5-2013 Test method for waste water quality of ship sewage treatment.Part5: Oil content in water

TR-TSE, Sewage total nitrogen content

TS 1129-1972 FRUIT AND VEGETABLE PRODUCTS DETERMINATION OF TOTAL SOLIDE
TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

GM North America, Sewage total nitrogen content

GM GM9312P-1988 Total Moisture Content of Polystyrene Beads and Pellets

Professional Standard - Petroleum, Sewage total nitrogen content

SY/T 0530-1993 Spectrophotometric method for the determination of oil content in oilfield sewage

Professional Standard - Aviation, Sewage total nitrogen content

HB 5297.25-2001 Methods of chemical analysis of titanium alloys - Determination of nitrogen content by steam distillation

ES-AENOR, Sewage total nitrogen content

UNE 55-595-1981

IT-UNI, Sewage total nitrogen content

UNI 6394-1977

Professional Standard - Chemical Industry, Sewage total nitrogen content

HG/T 4327-2012 Reclaimed water.Determination of total iron content.Spectrophotometric method
HG/T 3531-2003 Industrial circulating cooling water-Determination of water for sludge and corrosion products
HG/T 3531-2011 Industrial circulating cooling water. Determination of water for sludge and corrosion products
HG/T 3540-2011 Industrial circulating cooling water.Determination of total phosphate

Professional Standard - Non-ferrous Metal, Sewage total nitrogen content

YS/T 587.15-2023 Calcined coke for prebaked blocks— Part 15: Determination of total carbon,hydrogen and nitrogen contents

化学工业部, Sewage total nitrogen content

HG 2299-1992 Determination of total solid content of rubber compound aqueous dispersion