Liquid nitrogen content

Liquid nitrogen content, Total:370 items.

The international standard classification for "Liquid nitrogen content" includes: Fertilizers , food products in general , Ferroalloys , Meat and meat products , Starch and derived products , Edible oils and fats. Oilseeds , Ferrous metals in general , Organic chemicals , Aircraft and space vehicles in general , Advanced ceramics , Carbon materials .

The Chinese standard classification for "Liquid nitrogen content" includes: Photographic-grade chemicals , Basic standards and general methods on chemical fertilizers , Basic standards and general methods , Steel and iron alloy analysis method , Meat processing and products , Grain processing and products , Chemical fertilizer and chemical soil conditioner , Food processing and products in general , Soil and fertilizer in general , Coal tar processed products , Special ceramics , Carbon material in general , Organic chemicals in general .

Professional Standard - Petrochemical Industry

SH/T 0413-1992 Determination of minor basic nitrogen in liquid paraffin

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen (microdiffusion Kjeldahl method)
GB/T 5687.4-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content—Determination of nitrogen content—The distillation-neutralization titration method
GB/T22427.10-2008 Starches and derived products-Determination of nitrogen content
GB/T 3597-2002 Fertilizer - Determination of nitrate nitrogen content - Nitron gravimetric method
GB/T 9695.11-2008 Meat and meat products - Determination of nitrogen content
GB/T 5511-2008 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
GB/T 9695.11-1988 Meat and meat products--Method for determination of nitrogen content
GB/T 22427.10-2008 Starches and derived products - Determination of nitrogen content
GB/T 22427.10-2008 Starches and derived products - Determination of nitrogen content
GB/T 24583.3-2009 Vanadium-Nitrogen alloy-Determination of nitrogen content—The distillation-neutralization titration method
GB/T 24583.2-2009 Vanadium—Nitrogen alloy—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas
GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues

Anhui Provincial Standard of the People's Republic of China

DB34/T 993-2009 Sulfur and nitrogen fertilizer
DB34/T 3690-2020 Determination of carbon dioxide and nitrogen content in liquefied petroleum gas

Professional Standard - Agriculture

GB 8088-1987 Determination of Nitrogen Content in Natural Raw Rubber
219药典三部-2020 Content Determination Method 0704 Nitrogen Determination Method
NY/T 2419-2013 Determination of total nitrogen in plant - Automatic kjeldahl apparatus method
NY/T 1116-2014 Fertilizer - Determination for content of nitrate nitrogen, ammonium nitrogen and amidonitrogen
NY/T 2542-2014 Fertilizers. Determination of total nitrogen nitrogen content
200药典三部-2015 Content Determination Method 0704 General Principles of Nitrogen Determination Method 49
GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
GB 8572-1988 Determination of total nitrogen content in compound fertilizer
NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content

未注明发布机构

DIN EN ISO 8968-1:2002 Milk — Determination of nitrogen content — Part 1: Kjeldahl method (ISO 8968-1:2001)
ASTM RR-D31-1014 2010 D2868-Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather, Wet Blue and Wet White
DIN CEN/TS 17759:2022 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
DIN EN ISO 20483 E:2012-07 Determination of nitrogen content and calculation of crude protein content in cereals and legumes Kjeldahl method (draft)
ASTM RR-D31-1008 1996 D2868-Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather

Jilin Provincial Standard of the People's Republic of China

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

工业和信息化部

YB/T 4566.1-2016 Ferrovanadium nitride. Determination of conduct. Thermal conductimetric method after fusion in a current of inert gas
YB/T 4582.7-2017 Ferrosilicon nitride-Determination of total nitrogen content-Neutralization titration method
YB/T 4528-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content. Determination of nitrogen contenr. Thermal conductimetric method after fusion in a current of inert gas
YB/T 4529-2016 Nitrogen-bearing ferromanganese. Determination of nitrogen content. Thermal conductimetric method after fusion in a current of inert gas
YB/T 4566.2-2016 Ferrovanadium nitride. Determination of nitrogen content. Distillation separation-acid-base neutral titration method
YB/T 4582.1-2017 Ferrosilicon nitride-Determination of calcium content-EDTA titrimetric method

Professional Standard - Military and Civilian Products

WJ 2128-1993 Method for Determination of Nitrogen Content in Primer

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 24583.3-2019 Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method
GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
GB/T 38395-2019 Coal tar—Determination of sulfur and nitrogen content
GB/T 40535.1-2021 Test methods of continuous nitride ceramic fibers—Part 1：Nitrogen content
GB/T 24583.2-2019 Vanadium-nitrogen—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas

Taiwan Provincial Standard of the People's Republic of China

CNS 1289-1960 Method of Test for Leather (Nitrogen Content Test)

Group Standards of the People's Republic of China

T/SSAE 34-2023 Determination of azodicarbonamide in automobiles materials- high performance liquid chromatography method
T/MMPLH 03-2024 Potassium chloride (contains nitrogen)
T/NAIA 0139-2022 Diesel engine nitrogen oxide reducing agent urea aqueous solution (AUS 32) Determination of urea content Automatic Kjeldahl method

Professional Standard - Ferrous Metallurgy

YB/T 4530-2016 Nitrogen-bearing ferromanganese. Determination of nitrogen content. The distillation-neutralization titration method

Military Standard of the People's Republic of China-General Armament Department

GJB 337-1987 Determination method of nitrogen content of nitrocellulose (interferometer method)
GJB 3403-1998 Nitrogen and Liquid Nitrogen Specifications
GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

GJB 3403A-2019 Specification for gaseous nitrogen and liquid nitrogen

Shandong Provincial Standard of the People's Republic of China

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

Professional Standard - Building Materials

JC/T 2342-2015 Method for the quantitative phase analysis of silicon nitride

Professional Standard - Commodity Inspection

SN/T 0840-1999 Method for the determination of nitrogen content of urea for import and export
SN/T 0840-2015 Determination of nitrogen content of urea for import and export

Professional Standard - Nuclear Industry

EJ/T 20167-2018 Determination of nitrogen content in reprocessed uranium trioxide powder by distillation-Nessler reagent spectrophotometry

Professional Standard - Aerospace

QJ 2781A-2004 Determination of the carbon content the hydrogen content and the nitrogen content of carbonaceous material
QJ 2781-1995 Method for Determination of Carbon, Hydrogen and Nitrogen Content in Carbon Materials

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

GB/T 34532-2017 Coking wastewater - Determination of ammonia nitrogen content - Formaldehyde method

German Institute for Standardization

DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
DIN CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version CEN/TS 15559:2007
DIN EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of the non-protein-nitrogen content (ISO 8968-4:2001); German version EN ISO 8968-4:2001
DIN EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001); German version EN ISO 8968-5:2001
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 CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN CEN/TS 17759:2022-07 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17759:2022
DIN EN ISO 20483:2014-03 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
DIN EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; English version of DIN EN 15476:2009-04
DIN EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN ISO 5983-1:2005-10 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005
DIN 51722-1:1990-07 Testing of solid fuels; determination of nitrogen content; semi-micro Kjeldahl method
DIN EN ISO 5983-1 Berichtigung 1:2009-07 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005, Corrigendum to DIN EN ISO 5983-1:2005-10; German version EN ISO 5983-1:20...
DIN EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977); German version EN ISO 4945:2009
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 EN ISO 8968-4:2016-09 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) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
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

British Standards Institution (BSI)

BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS ISO 6853:2002 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS DD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
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 6851:2002 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
BS EN ISO 5983-1:2005(2009) Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1 : Kjeldahl method
BS ISO 27871:2011 Cheese and processed cheese. Determination of the nitrogenous fractions
BS EN ISO 4945:2010 Steel. Determination of nitrogen content. Spectrophotometric method
BS EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS ISO 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
BS EN ISO 5378:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Spectrometric method
BS EN ISO 3188:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Titrimetric method
DD ISO/TS 17837:2008 Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
BS EN ISO 8968-4:2016(2017) 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)

Korean Agency for Technology and Standards (KATS)

KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS M ISO 4176-2006(2011) Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS D 2530-2007 Methods for determination of nitrogen in titanium and titanium alloys
KS M ISO 5397:2002 Leather－Determination of nitrogen content and “hide substance”－Titrimetric method
KS D 2555-2005 Methods for determination of nitrogen in tantalum
KS D 1811-2003 Methods for determination of nitrogen in iron and steel
KS H ISO 3188-2023 Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Titrimetric method
KS D ISO 4945:2002 Steel－Determination of nitrogen content－Spectrophotometric method
KS M 8531-2004 Sodium hydroxide for nitrogen compounds analysis
KS H ISO 3188-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Titrimetric method
KS M ISO 4176-2012 Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS M 2112-2011(2016) Crude petroleum and petroleum products —Determination of nitrogen content
KS M 2112-2011(2021) Crude petroleum and petroleum products —Determination of nitrogen content
KS M 2112-1986 Crude petroleum and petroleum products —Determination of nitrogen content
KS M 2112-2021 Crude petroleum and petroleum products —Determination of nitrogen content
KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS H ISO 5378-2023 Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method
KS H ISO 5378-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method
KS M ISO 4176:2012 Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS B 5360-2001 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS B 5360-1990 Continuous Analysers for Oxides of Nitrogen in Ambient Air

GSO

GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
OS GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
GSO ISO 5983:2002 ANIMAL FEEDING STUFFS – DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT
GSO ISO 20483:2013 Cereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method
OS GSO ISO 20483:2013 Cereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method
GSO ISO 4945:2015 Steel -- Determination of nitrogen content -- Spectrophotometric method
OS GSO ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
GSO ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
OS GSO ISO 5983:2002 ANIMAL FEEDING STUFFS – DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT
BH GSO ISO 8968-4:2022 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)
GSO ISO 8968-4:2021 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)
OS GSO ISO 4945:2015 Steel -- Determination of nitrogen content -- Spectrophotometric method
GSO ISO 3188:2015 Starches and derived products -- Determination of nitrogen content by the Kjeldahl method -- Titrimetric method
OS GSO ISO 937:1987 Meat and meat products -Determination of nitrogen content (Reference method).
BH GSO ISO 937:2015 Meat and meat products -Determination of nitrogen content (Reference method).
GSO ISO 937:1987 Meat and meat products -Determination of nitrogen content (Reference method).

International Organization for Standardization (ISO)

ISO 8968-5:2001|IDF 20-5:2001 Determination of milk nitrogen content Part 5: Determination of protein nitrogen content
ISO 8968-4:2001 | IDF 20-4:2001 Milk — Determination of nitrogen content — Part 4: Determination of non-protein-nitrogen content
ISO 8968-5:2001 | IDF 20-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content
ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
ISO 8968-4:2001|IDF 20-4:2001 Determination of milk nitrogen content Part 4: Determination of non-protein nitrogen content
ISO 8968-4:2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
ISO 6853:1987 Photography; Processing waste; Determination of ammoniacal nitrogen content; Microdiffusion method
ISO 5397:1984 Leather; Determination of nitrogen content and "hide substance"; Titrimetric method
ISO 6851:2001 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
ISO 8968-1:2001 | IDF 20-1: 2001 Milk — Determination of nitrogen content — Part 1: Kjeldahl method
ISO 8968-4:2001/Cor 1:2011 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content; Technical Corrigendum 1
ISO 3099:1974 Oilseed residues — Determination of total nitrogen content
ISO 6851:1987 Photography; Processing waste; Determination of total amino nitrogen; Microdiffusion Kjeldahl method
ISO 8968-4:2016 | IDF 20-4:2016 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)
ISO 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
ISO 5983:1979 Animal feeding stuffs; Determination of nitrogen content and calculation of crude protein content
ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
ISO 4176:1981 Fertilizers; Determination of nitrate nitrogen content; Nitron gravimetric method
ISO 5983:1997 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
ISO/TS 17837:2008 | IDF/RM 25: 2008 Processed cheese products — Determination of nitrogen content and crude protein calculation — Kjeldahl method

RO-ASRO

SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
STAS 6843-1982 STEELS ANI) CAST 1RONS Determination of nitrogen content
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
STAS 6182/4-1979 WINE Determination of total nitrogen content
STAS 7184/2-1985 SOILS Nitrogen content determination
STAS 8613/6-1980 CONCENTRATED FOODSTUFF Determination of nitrogen content
STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
STAS 7425-1979 NITROCELLULOSES Determination of nitrogen content
STAS SR 12271-6-1994 Uranium dioxide. Determination of nitrogen content
STAS 8854-1972 ADDITIVES FOR MINERAL OILS Determination of nitrogen content
STAS 7312-1983 SURFACE AND RESIDUAL WATERS Determination of azote content
STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content

RU-GOST R

GOST 8775.4-1987 Lithium. Method of determination of nitrogen
GOST R 53219-2008 Soil quality. Determination of nitrogen in air-dry soils using calcium chloride solution
GOST 21600.6-1983 Ferrochrome. Method for the determination of nitrogen
GOST 15933.11-1970 Ferroniobium. Method for the determination of nitrogen content
GOST 34111-2017 Juice products. Determination of nitrogen content by Kjeldahl method
GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST 20851.2-1975 Mineral fertilizers. Methods for determination of phosphates
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 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST 13301-1967 Organic chemical products. Method of test for microdetermination of nitrogen
GOST R 55246-2012 Milk and milk products. Determination of non-protein nitrogen content by Kjeldahl method
GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content
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 32008-2012 Meat and meat products. Determination of nitrogen content (Reference method)
GOST R 55331-2012 Milk and milk products. Titrimetric method of calcium content determination
GOST 22720.4-1977 Rare metals and their alloys. Method for the determination of nitrogen

ZA-SANS

SANS 8968-5:2006 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
SANS 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
SANS 8968-4:2006 Milk - Determination of nitrogen content Part 4: Determination of non-protein-nitrogen content
SANS 970:2010 Leather - Determination of nitrogen content and "hide substance" - Titrimetric method

PT-IPQ

NP 3646-1987 fertilizer. Measurement of total nitrogen content
NP 1996-2000 Cereals and pulses Determiantion of the nitrogen content and calculation of the raw protein content Kjeldhal method
NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method
NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method

Association Francaise de Normalisation

NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF U42-119:1965 Products used in agriculture. Determination of nitrogen content in class C nitrogenous fertilizers.
NF U42-117:1965 Products used in agriculture. Fertilizers. Determination of nitrogen content in class a nitrogenous fertilizers.
NF U42-118:1965 Products used in agriculture. Determination of nitrogen content in class B nitrogenous fertilizers.
NF V59-202:1988 Collagenes. Determination of the nitrogen content.
NF U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
NF EN ISO 20483:2014 Cereals and legumes - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
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 V03-750:1999 Cereals and pulses. Determination of the nitrogen content and calculation of the raw protein content. Kjeldahl method.
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF V03-750:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method.
NF EN ISO 5983-1:2005 Animal feed - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
NF EN 15750:2010 Fertilizers - Determination of the total nitrogen content of fertilizers containing nitrogen only in nitric, ammoniacal and urea form, using two different methods
NF C17-200 F1:2000 Solid mineral fuels - Determination of nitrogen.
NF X33-009*NF EN 13342:2000 Characterization of sludges - Determination of Kjeldahl nitrogen
NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
NF EN ISO 8968-1:2014 Milk and dairy products - Determination of nitrogen content - Part 1: Kjeldahl method and calculation of crude protein content
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF ISO 27871:2011 Fromages et fromages fondus - Détermination des fractions azotées
NF EN ISO 8968-4:2016 Milk and dairy products - Determination of nitrogen content - Part 4: determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method)
NF V04-221-4*NF 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)

International Dairy Federation (IDF)

IDF 20-5-2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
IDF 20-4-2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
IDF 20-1-2001 Milk - Determination of nitrogen content - Part 1: Kjeldahl method

Danish Standards Foundation

DS/EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content
DS/EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
DS/EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method
DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DS/EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/EN ISO 5983-1/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
DS/EN ISO 3188:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method

SCC

BS EN ISO 8968-1:2002 Milk. Determination of nitrogen content-Kjeldahl method
UNE-EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content. (ISO 8968-5:2001)
SN-CEN/TS 17759:2022 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
BS PD CEN/TS 17759:2022 Inorganic fertilizers. Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
NS-EN ISO 8968-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
DANSK DS/CEN/TS 17759:2022 Inorganic fertilizers – Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
AENOR UNE-EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Part 5: Determination of protein nitrogen content. (ISO 8968-5:2001)
DANSK DS/EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
UNE-EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content. (ISO 8968-4:2001)
NS-EN ISO 8968-4:2001 Milk — Determination of nitrogen content — Part 4: Determination of non-protein nitrogen content (ISO 8968-4:2001)
UNE-EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2006)
NS-EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
NS-EN ISO 20483:2013 Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method (ISO 20483:2013)
NS-EN ISO 20483:2006 Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method (ISO 20483:2006)
DANSK DS/EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DANSK DS/EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
12/30251275 DC BS EN ISO 20483. Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method
NS-EN 10179:2024 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method
DIN EN ISO 20483 E:2012 Draft Document - Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO/DIS 20483:2012); German version prEN ISO 20483:2012
DANSK DS/EN ISO 4945:2009 Steel – Determination of nitrogen content – Spectrophotometric method
BS 5766-4:1981 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content
SPC GB/T 24583.2-2019 Vanadium-nitrogen -- Determination of nitrogen content -- Thermal conductimetric method after fusion in a current of inert gas (TEXT OF DOCUMENT IS IN CHINESE)
BS DD ISO/TS 17837:2008 Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
DANSK DS/EN ISO 3188:1994 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method
JIS K 2609:2022 Crude petroleum and petroleum products -- Determination of nitrogen content
UNE 36317-1:1985 DETERMINATION OF NITROGEN CONTENT OF STEELS. SPECTROPHOTOMETRIC METHOD
SPC GB/T 24583.4-2019 Vanadium-nitrogen -- Determination of carbon content -- Infrared absorption method (TEXT OF DOCUMENT IS IN CHINESE)
SPC GB/T 24583.7-2019 Vanadium-nitrogen -- Determination of oxygen content -- Infrared absorption method (TEXT OF DOCUMENT IS IN CHINESE)
UNE-EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method. (ISO 8968-1:2001)
DANSK DS/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)
BS 5766-4:1998 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content
BS 5551-4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen.-Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
NS-EN ISO 8968-1:2001 Milk — Determination of nitrogen content — Part 1: Kjeldahl method (ISO 8968-1:2001)

PL-PKN

PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
PN C87077-1992 Nitrogenous fertilizers. Determination of cooper
PN A86026-1990 Milk and dairy products Milk powdcr Determination of nitritc and nitrate contents
PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air

NL-NEN

NEN 6642-1992 Water-Calculation of total nitrogen content
NEN 3442-1968 Meat and meat products. Determination of nitrogen content
NEN 3760-1984 Cheese - Determination of the nitrogen content according to Kjeldahl - Calculation of the crude protein 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

European Committee for Standardization (CEN)

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 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
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 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
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)

CZ-CSN

CSN 65 4814-1976 Determinaíion of nitrogen oontent in fertilizers
CSN 65 0331-1963 Deterimination oí Nierogea by Kjeldahl's method
CSN 56 0020-1987 General directions for the determination f nitrogen by the Kjeldahl method
CSN 62 3008-1986 Natural raw rubber in blocks. Determination of nitrogen content
CSN 42 0566 Cast.7-1987 Chemical analysis of manganese. Determination of nitrogen content
CSN 65 4330-1997 Nitrogen liquid
CSN 70 4243-1981 Glass apparatus by Parnas-Wagner for the determination of nitrogen
CSN ISO 1871:1994 Agricultural food products-General directions for the determination of nitrogen by the Kjeldahl method
CSN 42 0525-1980 Chemical analysis of technical iron. Determination of the nitrogen content

ES-UNE

UNE-CEN/TS 17759:2022 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-EN ISO 5983-1:2007/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)
UNE-CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-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) (ISO 8968-4:2016)
UNE-CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)

VN-TCVN

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 5265-1990 Bee products.Determination of total nitrogen 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 6014-2007 Hard coal.Determination of nitrogen.Semi-micro Kjeldahl method
TCVN 305-2010 Steel and iron.Determination of nitrongen content.Methods of chemical analysis.

Lithuanian Standards Office

LST EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
LST EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content (ISO 8968-4:2001)
LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
LST EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2006)
LST EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)
LST EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method (ISO 8968-1:2001)
LST EN ISO 5983-1:2005/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)

American National Standards Institute （ANSI)

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

HU-MSZT

MSZ KGST 1239-1978 Determination of nitrogen content in iron and steel
MSZ 12050/7.lap-1968 Definition detection of latex. Nitrogen content
MSZ 89-1981 Nitrogen, liquid
MSZ KGST 451-1977 Define iron oxide nitrogen content of aluminum oxide
MSZ KGST 455-1977 Define iron oxide nitrogen content of aluminum oxide
MSZ 7830-1961 Liquid nitrogen freezing
MSZ 6117/3-1982 Artificial products with long-lasting effects. Nitrogen content definition
MSZ 6830/4-1981 Determination of nutritional value of feed based on nitrogen content

Indonesia Standards

SNI 13-3482-1994 Coal, Determination of nitrogen using Kyeldahl method
SNI 06-6323-2000 Determination of total nitrogen content in peat
SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method
SNI 19-1432-1989 Exhaust-gases, Test methods for nitrogen dioxide content

BG-BDS

BGC ISO 5983:2001 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method

YU-JUS

JUS H.G8.130-1984 Reagents. Ammonia solution. Determination of iron content. 1,10—Phenanthrolinespectrophotometric method
JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
JUS H.F8.131-1986 Gases. Determination of nitrogen content. Indirect method
JUS H.B8.286-1983 Fertilizers. Determination of content nitrat-nitrogen. Volumetric method
JUS H.F8.132-1986 Gases. Determination of nitrogen content. Gas chromatographic method
JUS H.B8.285-1983 Fertilizers. Determination of content amoniac-nitrogen. Volumetric method
JUS H.B8.814-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of the chloride content (as chlorine ion)
JUS H.G8.083-1983 Reagents. Sodium chloride. Determination of total nitrogen content. Colorimetric method

ESDU - Engineering Sciences Data Unit

ESDU 00053-2001 Viscosity of liquids: Aromatic compounds containing nitrogen.
ESDU 00050-2001 Thermal conductivity of liquids: Aromatic compounds containing nitrogen.

Japanese Industrial Standards Committee (JISC)

JIS H 1685:1976 Methods for determination of nitrogen in tantalum
JIS G 1228:1997 Iron and steel -- Methods for determination of nitrogen content
JIS K 2609:1998 Crude petroleum and petroleum products -- Determination of nitrogen content
JIS G 1228 AMD 1:2006 Iron and steel -- Methods for determination of nitrogen content (Amendment 1)
JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases

Malaysia Standards

MS 281 Pt.14-2001 Natrual rubber latex concentrate:Part 14:Determination of nitrogen content(Third revision)

AENOR

UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
UNE-EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013)
UNE-EN ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)

VE-FONDONORMA

NORVEN 378 Regulation of nitrogen content in cocoa beans

Natural Gas Processor's Association (NGPA)

GPA RR-105-1987 Vapor-Liquid Equilibrium and Condensing Curves for a Gas Condensate Containing Nitrogen

FI-SFS

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

TH-TISI

TIS 2255.1-2005 Animal feeding stuff s-determination of nitrogen content and calculation of crude protein content.part 1: kjeldahl method

TN-INNORPI

NT 14.33-1983 Determination of all nitrogen contents in milk

GOST

GOST 2408.2-1975 Brown coals, hard coals, anthracite, combustible shales and turf. Method for thedetermination of nitrogen content

AR-IRAM

IRAM 14 522-1961 How to measure nitrogen content in beer

National Sanitation Foundation (NSF)

NSF 245A-2010 Wastewater Treatment Systems - Nitrogen Reduction

American Society for Testing and Materials (ASTM)

ASTM D3533-90(1995)e1 Standard Method of Rubber8212;Nitrogen Content
ASTM D2868-17 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather, Wet Blue and Wet White
ASTM D3533-90(2001) Standard Test Method for Rubber8212;Nitrogen Content
ASTM D2868-96 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather
ASTM D2868-10 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather
ASTM D2868-96(2001) Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather
ASTM D3533-05 Standard Test Method for Rubber—Nitrogen Content

BE-NBN

NBN V 21-003-1987 Milk - Determination of nitrogen content - Kjeldahl method

CEN - European Committee for Standardization

EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

(U.S.) Ford Automotive Standards

FORD M6C48-A-1991 HYDRAULIC FLUID - HIGH WATER CONTENT
FORD M6C54-A-1987 HYDRAULIC FLUID - HIGH WATER CONTENT, THICKENED

KR-KS

KS H ISO 3188-2008(2023) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Titrimetric method
KS H ISO 5378-2008(2023) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method

CO-ICONTEC

ICONTEC 1556-1980 Food industry, meat products, measuring nitrogen content

Standard Association of Australia （SAA）

AS ISO 8968.4:2021 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)

IN-BIS

IS 11552-1986 Specification for liquid nitrogen vessels with a capacity of up to 50 liters

GM Europe

GME B 040 0957-2007 Nitrogen (liquefied)

Society of Automotive Engineers (SAE)

SAE AMS2755A-1966 LIQUID SALT BATH NITRIDING
SAE AMS2755-1963 LIQUID SALT BATH NITRIDING

CU-NC

NC 24-64-1986 Inorganic Chemical Products Nitrogen, Determination of Oil Content

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