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Method for Determination of Feed Nitrogen Content

Method for Determination of Feed Nitrogen Content, Total:497 items.

In the international standard classification, Method for Determination of Feed Nitrogen Content involves: Animal feeding stuffs, General methods of tests and analysis for food products, Fertilizers, Coals, Analytical chemistry, Non-ferrous metals, External water conveyance systems, Water quality, Fuels, Edible oils and fats. Oilseeds, Ferrous metals, Farming and forestry, Ferroalloys, Milk and milk products, Air quality, Fruits. Vegetables, Organic chemicals, Veterinary medicine, Soil quality. Pedology, Sugar. Sugar products. Starch, Cutting tools, Ceramics, Leather technology, Conducting materials, Petroleum products in general, Tobacco, tobacco products and related equipment, Inorganic chemicals, Meat, meat products and other animal produce, Construction materials, Beverages, Cereals, pulses and derived products, Rubber and plastics products, Physics. Chemistry.

BG-BDS, Method for Determination of Feed Nitrogen Content

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

Jilin Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

DB22/T 1995-2014 Determination of feed grade choline chloride content Kjeldahl method
DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

Association Francaise de Normalisation, Method for Determination of Feed Nitrogen Content

NF V18-120:1997 Animal feeding stuffs. Determination of nitrogen content. Combustion method (DUMAS).
NF EN ISO 5983-1:2005 Aliments des animaux - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Partie 1 : méthode Kjeldahl
NF U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
NF V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
NF V18-100-2*NF EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2 : block digestion and steam distillation method.
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 V18-100-1*NF EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1 : 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 U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
NF V18-107:1986 Animal feeding stuffs. Determination of calcium content. Titrimetric method.
NF V18-123*NF ISO 6493:2011 Animal feeding stuffs - Determination of starch content - Polarimetric method
NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF ISO 6492:2011 Aliments des animaux - Détermination de la teneur en matière grasse
NF ISO 6491:2011 Aliments des animaux - Détermination de la teneur en phosphore - Méthode spectrométrique
NF EN ISO 15914:2005 Aliments des animaux - Détermination enzymatique de la teneur totale en amidon
NF EN 17362:2020 Aliments pour animaux : méthodes d'échantillonnage et d'analyse - Détermination de la teneur en pentaclorophénol (PCP) dans les matières premières pour aliments des animaux et les aliments composés pour animaux par CL-SM/SM
NF X34-220:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content.
NF U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
NF C17-200 F1:2000 Solid mineral fuels - Determination of nitrogen.
NF V18-121:1997 Animal feeding stuffs. Determination of starch content. Enzymatic method.
NF ISO 6493:2011 Aliments des animaux - Détermination de la teneur en amidon - Méthode polarimétrique
NF EN 17270:2019 Aliments des animaux : méthodes d'échantillonnage et d'analyse - Détermination par chromatographie en phase liquide de la teneur en théobromine dans les matières premières destinées aux aliments des animaux et dans les aliments composés pour ...
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF V18-117*NF ISO 6492:2011 Animal feeding stuffs - Determination of fat content
NF V18-117:1997 Animal feeding stuffs. Determination of fat content.
NF V03-050*NF ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method.
NF V18-107-1*NF ISO 6490-1:2012 Animal feeding stuffs - Determination of calcium content - Part 1 : titrimetric method.
NF ISO 6490-1:2012 Aliments des animaux - Détermination de la teneur en calcium - Partie 1 : méthode titrimétrique
NF ISO 1871:2009 Produits alimentaires et aliments des animaux - Lignes directrices générales pour le dosage de l'azote selon la méthode de Kjeldahl
NF EN ISO 5983-2:2009 Aliments des animaux - Dosage de l'azote et calcul de la teneur en protéines brutes - Partie 2 : méthode de digestion en bloc et distillation à la vapeur
NF V18-106*NF ISO 6491:2011 Animal feeding stuffs - Determination of phosphorus content - Spectrophotometric method
NF V18-106:1980 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method.
NF V18-114:2005 Animal feeding stuffs - Determination of tryptophan content.
NF V18-113*NF EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content.
NF V18-114*NF EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
NF V18-200:1980 Animal feeding stuffs. Determination of aflatoxin B1 content.
NF EN ISO 13904:2016 Aliments des animaux - Détermination de la teneur en tryptophane
NF EN ISO 13903:2005 Aliments des animaux - Détermination de la teneur en acides aminés
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF V18-109*NF ISO 6496:2011 Animal feeding stuffs - Determination of moisture and other volatile matter content.
NF EN ISO 20483:2014 Céréales et légumineuses - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Méthode de Kjeldahl
NF V18-100-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2 : block digestion/steam distillation method.
NF V18-241*NF EN 16158:2012 Animal feeding stuffs - Determination of semduramicin content - Liquid chromatographic method using a "tree" analytical approach
NF V18-099*NF EN ISO 6865:2002 Animal feeding stuffs - Determination of crude fibre content - Method with intermediate filtration
NF EN ISO 6865:2002 Aliments des animaux - Détermination de la teneur en cellulose brute - Méthode avec filtration intermédiaire

International Organization for Standardization (ISO), Method for Determination of Feed Nitrogen Content

ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
ISO 5983:1979 Animal feeding stuffs; Determination of nitrogen content and calculation of crude protein content
ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method
ISO 6493:2000 Animal feeding stuffs - Determination of starch content - Polarimetric method
ISO 4176:1981 Fertilizers; Determination of nitrate nitrogen content; Nitron gravimetric method
ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
ISO 8968-1:2001 Lait - Détermination de la teneur en azote - Partie 1: Méthode Kjeldahl (Deuxième édition)
ISO 8968-1:2001|IDF 20-1:2001 Determination of milk nitrogen content Part 1: Kjeldahl method
ISO 5397:1984 Leather; Determination of nitrogen content and "hide substance"; Titrimetric method
ISO 6491:1998 Animal feeding stuffs - Determination of phosphorus content - Spectrometric method
ISO 6492:1999 Animal feeding stuffs - Determination of fat content
ISO 6654:1991 Animal feeding stuffs; determination of urea content
ISO 8603:1993 Solid fertilizers; determination of urea nitrogen content; gravimetric method using xanthydrol
ISO/FDIS 937 Meat and meat products — Determination of nitrogen content — Reference method
ISO/DIS 937 Meat and meat products — Determination of nitrogen content — Reference method
ISO 937:2023 Meat and meat products — Determination of nitrogen content — Reference method
ISO 5983-1:2005/cor 1:2008 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method; Technical Corrigendum 1
ISO 6490-1:1985 Animal feeding stuffs; Determination of calcium content; Part 1 : Titrimetric method
ISO 8968-1:2001 | IDF 20-1: 2001 Milk — Determination of nitrogen content — Part 1: Kjeldahl method
ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
ISO 6491:1980 Animal feeding stuffs; Determination of total phosphorus content; Spectrophotometric method
ISO/TS 17764:2002 Animal feeding stuff - Determination of the content of fatty acid
ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content
ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
ISO 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
ISO 6865:2000 Animal feeding stuffs - Determination of crude fibre content - Method with intermediate fibration

Danish Standards Foundation, Method for Determination of Feed Nitrogen Content

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 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/ISO 6491:1999 Animal feeding stuffs - Determination of phosphorus content - Spectrometric method
DS/EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
DS/ISO 6493:2003 Animal feeding stuffs - Determination of starch content - Polarimetric method
DS/EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content
DS/EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
DS/ISO 6492:1999 Animal feeding stuffs - Determination of fat content
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/EN 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/ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
DS/EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amount) in steels. Spectrophotometric method
DS/EN ISO 13904:2005 Animal feeding stuffs – Determination of tryptophan 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 16158:2012 Animal feeding stuffs - Determination of semduramicin content - Liquid chromatographic method using a "tree" analytical approach
DS/EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
DS/EN ISO 6865:2001 Animal feeding stuffs - Determination of crude fibre content - Method with intermediate filtration
DS/EN ISO 3188:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method

未注明发布机构, Method for Determination of Feed Nitrogen Content

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 EN ISO 15914:2005(2006) Animal feeding stuffs — Enzymatic determination of total starch content
BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content
BS EN ISO 3188:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Titrimetric method

German Institute for Standardization, Method for Determination of Feed Nitrogen Content

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 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 CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version CEN/TS 15559:2007
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 51722-1:1990-07 Testing of solid fuels; determination of nitrogen content; semi-micro Kjeldahl method
DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
DIN EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; English version of DIN EN 15476:2009-04
DIN EN ISO 5983-2:2009-10 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009); German version EN ISO 5983-2:2009
DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN 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); English version of DIN EN ISO 5983-1
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 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN ISO 15914:2005-06 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004); German version EN 15914:2005
DIN EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005); German version EN ISO 13903:2005
DIN EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005); German version EN ISO 13904:2005
DIN EN ISO 13903:2005-09 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005); German version EN ISO 13903:2005
DIN EN ISO 13904:2016-06 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2016); German version EN ISO 13904:2016
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 ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method (ISO 5983-2:2005); German version EN ISO 5983-2:2005
DIN EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977); German version EN ISO 4945:2009
DIN EN ISO 6865:2001 Animal feeding stuffs - Determination of crude fibre content - Method with intermediate filtration (ISO 6865:2000); German version EN ISO 6865:2000
DIN EN ISO 6865:2001-02 Animal feeding stuffs - Determination of crude fibre content - Method with intermediate filtration (ISO 6865:2000); German version EN ISO 6865:2000

ES-UNE, Method for Determination of Feed Nitrogen Content

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 13904:2016 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2016)

CZ-CSN, Method for Determination of Feed Nitrogen Content

CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals
CSN 46 7092-14-1998 Testing methods for feeding stuffs - Part 14: Determination of potassium content
CSN 46 7092-12-1998 Testing methods for feeding stuffs - Part 12: Determination of calcium content
CSN 46 7092-11-1998 Testing methods for feeding stuffs - Part 11: Determination of total phosphorus content
CSN 46 7092-21-1998 Testing methods for feeding stuffs - Part 21: Determination of starch content
CSN 46 7013 Cast.20-1987 Testing methods for fodder mixtures. Determination of moisture content
CSN 46 7092-22-1998 Testing methods for feeding stuffs - Part 22: Determination of sugar content
CSN 46 7092-85-1998 Testing methods for feeding stuffs - Part 85: Determination of kurasan content
CSN 46 7092-13-1998 Testing methods for feeding stuffs - Part 13: Determination of magnesium content
CSN 46 7092-3-1998 Testing methods for feeding stuffs - Part 3: Determination of moisture content
CSN 46 7092-7-1998 Testing methods for feeding stuffs - Part 7: Determination of fat content
CSN 46 7092-6-1998 Testing methods for feeding stuffs - Part 6: Determination of ure acontent
CSN 46 7092-17-1998 Testing methods for feeding stuffs - Part 17: Determination of total sulphur content
CSN 46 7092-84-1998 Testing methods for feeding stuffs - Part 84: Determination of cholin content
CSN 46 7092-23-1998 Testing methods for feeding stuffs - Part 23: Determination of lactose content
CSN 46 7092-9-1998 Testing mthods for feeding stuffs - Part 9: Determination of ash content
CSN 46 7092-20-1998 Testing methods for feeding stuffs - Part 20: Determination of crude fibre content
CSN 46 7092-61-1998 Testing methods for feeding stuffs - Part 61: Determination of amprolium content
CSN 46 7092-98-1998 Testing methods for feeding stuffs - Part 98: Determination of flavomycin content
CSN 46 7092-27-1998 Testing methods for feeding stuffs - Part 27: Determination of the protein content
CSN 46 7092-44-1998 Testing methods for feeding stuffs - Part 44: Determination of cadmium and lead content
CSN 46 7092-4-1998 Testing methods for feeding stuffs - Part 4: Determination of crude protein content
CSN 46 7092-74-1998 Testing methods for feeding stuffs - Part 74: Determination of robenidin content
CSN 46 7092-75-1998 Testing methods for feeding stuffs - Part 75: Detemination of salinomycin content
CSN 46 7092-86-1998 Testing methods for feeding stuffs - Part 86: Determination of methionine content
CSN 46 7092-25-1998 Testing methods for feeding stuffs - Part 25: Determination of amino acid content
CSN 46 7092-87-1988 Testing methods for feeding stuffs - Part 87: Determination of calcium pantothenan content
CSN 65 0331-1963 Deterimination oí Nierogea by Kjeldahl's method
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 46 7092-5-1998 Testing methods for feeding stuffs - Part 5: Determination of soluble nitrogen content after treatment with pepsin in hydrochloric acid solution
CSN 46 7092-83-1998 Testing methods for feeding stuffs - Part 83: Determination of avoparcine content
CSN 46 7092-93-1998 Testing methods for feeding stuffs - Part 93: Determination of vitamine K3 content
CSN 46 7092-89-1998 Testing methods for feeding stuffs - Part 89: Determination of vitamine B12 content
CSN 46 7092-76-1998 Testing methods for feeding stuffs - Part 76: Determination of vitamine A content
CSN 46 7092-16-1998 Testing methods for feeding stuffs - Part 16: Determination of copper, iron, manganese and zinc content
CSN 46 7092-68-1998 Testing methods for feeding stuffs - Part 68: Determination of maduramicin content
CSN 46 7092-65-1998 Testing methods for feeding stuffs - Part 65: Determination of furazolidone content
CSN 46 7092-69-1998 Testing methods for feeding stuffs - Part 69: Determination of monensine content
CSN 46 7092-71-1998 Testing methods for feeding stuffs - Part 71: Determination of nicarbazine content
CSN 46 7092-26-1998 Testing methods for feeding stuffs - Part 26: Determination of total carbonate content
CSN 46 7092-97-1998 Testing methods for feeding stuffs - Part 97: Determination of tylosin content
CSN 46 7092-92-1998 Testing methods for feeding stuffs - Part 92: Determination of vitamine C content
CSN 46 7092-90-1998 Testing methods for feeding stuffs - Part 90: Determination of vitamine B2 content
CSN 46 7092-63-1998 Testing methods for feeding stuffs - Part 63: Determination of clopidol content
CSN 56 0020-1987 General directions for the determination f nitrogen by the Kjeldahl method
CSN 46 7092-24-1998 Testing methods for feeding stuffs - Part 24: Determination of the non-nitrogen extract substances
CSN 46 7092-78-1998 Testing methods for feeding stuffs - Part 78: Determination of vitamine E content
CSN 46 7092-88-1998 Testing methods for feeding stuffs - Part 88: Determination of fortificate content of threonine
CSN 46 7092-64-1998 Testing methods for feeding stuffs - Part 64: Determination of dimetridazol content
CSN 46 7092-91-1998 Testing methods for feeding stuffs - Part 91: Determination of vitamine B6 content
CSN 46 7092-62-1998 Testing methods for feeding stuffs - Part 62: Determination of avilamycin content
CSN 46 7092-33-1998 Testing methods for feeding stuffs - Part 33: Determination of ferromagnetic admixtures content
CSN 46 7092-70-1998 Testing methods for feeding stuffs - Part 70: Determination of narasine content
CSN 46 7092-67-1998 Testing methods for feeding stuffs - Part 67: Determination of lysinhydrochlorid content
CSN 46 7092-18-1998 Testing methods for feeding stuffs - Part 18: Determination of the water soluble chlorides content
CSN 46 7092-77-1998 Testing methods for feeding stuffs - Part 77: Determination of virginiamycin content
CSN 70 4243-1981 Glass apparatus by Parnas-Wagner for the determination of nitrogen

RO-ASRO, Method for Determination of Feed Nitrogen Content

STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
STAS 9597/2-1982 COMBINED FODDERS Determination of water content
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
STAS SR 13236-1994 Animal feeding stuffs. Determination of amprolium content
STAS SR 13210-1994 Animal feeding stuffs-Determination of monensin content
STAS 13104-1992 Animal feeding stuffs. Determination of organophosphoric pesticide wastes content
STAS 9597/16-1986 COMBINED FODDERS Copper and iron content determination
STAS 9597/3-1974 COMBINED FORAGES Determination of rough protein content
STAS 9597/6-1977 COMBINED FODDERS Determination of admixed urea content

TH-TISI, Method for Determination of Feed Nitrogen Content

TIS 2255.1-2005 Animal feeding stuff s-determination of nitrogen content and calculation of crude protein content.part 1: kjeldahl method
TIS 2255.2-2005 Animal feeding stuffs-determination of nitrogen content and calculation of crude protein content.part 2: block digestion/steam distillation method

RU-GOST R, Method for Determination of Feed Nitrogen Content

GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content
GOST 24596.3-2015 Feed phosphates. Method for determination of nitrogen
GOST 32904-2014 Feeds, compound feeds. Methods for determination of calcium content titrimetric method
GOST 31640-2012 Feeds. Methods for determination of dry matter content
GOST R 52838-2007 Feeds. Methods for determination of dry matter content
GOST 32905-2014 Feeds, mixed feeds and raw material. Method for determination of fat content
GOST 26657-1997 Fodders, mixed fodders, mixed fodder raw materials. Methods for determination of phosphorus content
GOST 26657-1985 Fooder, mixed fooder and mixed fooder raw materials. Methods for determination on phosphore
GOST 20851.2-1975 Mineral fertilizers. Methods for determination of phosphates
GOST 27548-1997 Vegetable feeds. Methods for determination of moisture content
GOST R 50466-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13496.15-2016 Feeds, mixed feeds and raw material. Methods for determining the raw fat content
GOST 13496.15-1985 Forages, compound feeds, raw material. Methods for determining rawfat
GOST ISO 6865-2015 Animal feeding stuffs. Method for determination of crude fibre 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 ISO 6491-2016 Feeds, compound feeds, feed raw materials. Determination of phosphorus content by spectrometric method
GOST 24596.3-1981 Feed phosphates. Methods for determination of nitrogen
GOST 13496.3-1992 Compound feeds, raw material. Methods for determination of moisture
GOST 13496.3-1980 Mixed feeding-stuffs. Method of determination of moisture
GOST R 57059-2016 Feeds, compound feeds, feed raw materials. Express-method for determination of moisture
GOST 13496.15-1997 Forages, compound feeds, raw material for compound feeds. Methods for determining the raw fat content
GOST R 54234-2010 Solid recovered fuels. Determination of carbon, hydrogen and nitrogen content by instrument methods
GOST 27995-1988 Vegetable feeds. Methods for determination of copper
GOST 27996-1988 Vegetable feeds. Methods for determination of zink
GOST 27997-1988 Vegetable feeds. Methods for determination of manganese
GOST 27998-1988 Vegetable feeds. Methods for determination of iron
GOST 28458-1990 Vegetable feeds. Method for determination of iodine
GOST 8775.4-1987 Lithium. Method of determination of nitrogen
GOST 32045-2012 Feeds, compound feeds, material for compound feeds. Methods for determination of ash content, insoluble in hydrochloric acid
GOST 31481-2012 Mixed fodders, raw stuff for mixed fodders. Method for determining the residual quantities of chlorine-organic pesticides
GOST 13496.5-1970 Mixed feed. The method of determination of ergot
GOST 30503-1997 Fodders, mixed fodders, mixed fodder raw materials. Flame photometric method for determination of sodium content
GOST 30502-1997 Fodders, mixed fodders and mixed fodder raw materials. Atomic absorption method for determination of magnesium content
GOST 30504-1997 Fodders, mixed fodders and mixed fodder raw materials. Flame photometric method for determination of potassium content
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST 26180-1984 Fodder. Determination of ammonia nitrogen content and actual acidity
GOST 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)
GOST 15933.11-1970 Ferroniobium. Method for the determination of nitrogen content
GOST 21600.6-1983 Ferrochrome. Method for the determination of nitrogen
GOST R 50852-1996 Compound feeds, feed raw materials. Method for the determination of crude ash, calcium and phosphorus content by means of NIR-spectroscopy
GOST R 55449-2013 Feedstuffs, compound feeds, feed raw materials. Determination of selenium content by fluorimetric method
GOST 13496.10-2017 Compound feeds. Method for the determination of smut fungi spors content
GOST 13496.10-1974 Conbined forege. Method for the determination of smut fungi spors content
GOST 34111-2017 Juice products. Determination of nitrogen content by Kjeldahl method
GOST 13496.21-2015 Feeds, mixed feeds and raw material. Methods for determination of lisin and tryptophane
GOST R 51423-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of soluble nitrogen fraction of total mass after treatment with pepsin in dilute hydrochloric acid
GOST R 52839-2007 Feeds. Methods for determination of crude fibre content with intermediate filtration
GOST R 54040-2010 Production of plant growing and forages. Method of 137 Cs determination
GOST R 54040-2010(2020) Production of plant growing and forages. Method of 137 Cs determination
GOST 29113-2016 Feed, feed raw materials. Methods for determination of mass fraction of urea
GOST 30181.7-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, using hypochlorite method)
GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST ISO 14797-2016 Feeds, compound feeds, feed raw materials. Determination of furazolidone content. Method usinghigh-performance liquid chromatography
GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST ISO 6493-2015 Animal feeding stuffs. Determination of starch content. Polarimetric method
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 30692-2000 Fodders, mixed fodders and animal raw foodstuff. Atomic absorption method for determination of copper, lead, zinc and cadmium
GOST R 51422-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of urea fraction of total mass
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 31675-2012 Feeds. Methods for determination of crude fibre content with intermediate filtration
GOST ISO 15914-2016 Animal feeding stuffs. Enzymatic determination of total starch content
GOST R 51417-1999 Feeds, mixed feeds and raw material. Determination of mass fraction of nitrogen and calculation of mass fraction of crude protein. Kjeldahl method
GOST 10671.4-1974 Reagents. Methods for determination of nitrogen compaunds impurity general content
GOST 33045-2014 Water. Methods for determination of nitrogen-containing matters
GOST 938.7-1968 Leather. Method of determination of nitrogen content
GOST 30181.5-1994 Mineral fertilizers. Method for determination of mass fraction of amide nitrogen in compound fertilizers (spectrophotocolorimetric method)
GOST R 51421-1999 Feeds, mixed feeds, raw material. Determination of water-soluble chlorides content
GOST R 51425-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of zearalenone fraction of total mass
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST ISO/TS 17764-2-2015 Feeds, compound feeds. Determination of the content of fatty acids. Part 2. Gas chromatographic method
GOST 13496.20-2014 Feeds, mixed feeds and raw material. Method for determining residual quantities of pesticides
GOST 13496.4-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 28902-1991 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method
GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST R 50453-1992 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 26177-1984 Fodder, mixed feeds. Method for determination of lignin
GOST 28254-2014 Sompound feeds, feed raw materials. Methods for determination of volume mass and natural slope angle
GOST 28901-1991 Animal feeding stuffs. Determination of calcium content. Atomic absorption spectrometric method
GOST 13301-1967 Organic chemical products. Method of test for microdetermination of nitrogen
GOST R 53862-2010 Mixed feeds, protein-vitamin-mineral concentrates. Method for determination of the oxiacids
GOST ISO 5983-2-2016 Feeds, compound feeds, feed raw materials. Determination of mass fraction of nitrogen and calculation of mass fraction of crude protein. Part 2. Block digestion and steam distillation method

Professional Standard - Aerospace, Method for Determination of Feed Nitrogen Content

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

Lithuanian Standards Office , Method for Determination of Feed Nitrogen Content

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 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)
LST ISO 6491:1999 Animal feeding stuffs. Determination of phosphorus content. Spectrometric method
LST EN 15407-2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
LST EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)
LST EN 16158-2012 Animal feeding stuffs - Determination of semduramicin content - Liquid chromatographic method using a "tree" analytical approach
LST EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004)

AENOR, Method for Determination of Feed Nitrogen Content

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)
UNE-EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
UNE-EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)
UNE-EN 16158:2012 Animal feeding stuffs - Determination of semduramicin content - Liquid chromatographic method using a "tree" analytical approach
UNE-EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004)

HU-MSZT, Method for Determination of Feed Nitrogen Content

British Standards Institution (BSI), Method for Determination of Feed Nitrogen Content

BS EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
BS DD CEN/TS 15407:2006 Solid recovered fuels - Method for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
BS DD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
BS EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
BS 5766-14:1991 Methods for analysis of animal feeding stuffs. Determination of urea content
BS 5766-18:1999 Methods for analysis of animal feeding stuffs. Determination of fat content
BS 5551 SubSec.4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 5766-3:1999 Methods for analysis of animal feeding stuffs. Determination of phosphorus content (spectrometic method)
BS 5766-15:1997 Methods for analysis of animal feeding stuffs. Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid
BS EN ISO 15914:2005 Animal feeding stuffs. Enzymatic determination of total starch content
BS ISO 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
BS 5766-19:2000 Methods for analysis of animal feeding stuffs. Determination of starch content. Polarimetric method
BS EN 15407:2011 Solid recovered fuels. Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
DD CEN/TS 15407:2006 Solid recovered fuels — Method for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
BS DD CEN/TS 15104:2006 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
BS DD CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
BS ISO 17997-1:2005 Milk - Determination of casein-nitrogen content - Indirect method (Reference method)
BS EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
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 5766-5:1999 Methods for analysis of animal feeding stuffs - Determination of water-soluble chlorides content
BS 5766-23:2001 Methods for analysis of animal feeding stuffs. Determination of crude fibre content. Method with intermediate filtration
BS EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
BS ISO 937:2023 Meat and meat products. Determination of nitrogen content. Reference method
BS 4401-2:1980 Methods of test for meat and meat products. Determination of nitrogen content (reference method)
BS EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
BS ISO 6495-1:2015 Animal feeding stuffs. Determination of water-soluble chlorides content. Titrimetric method
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
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 ISO 29541:2010 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental method
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 DD CEN ISO/TS 17764-2:2007 Animal feeding stuffs - Determination of the content of fatty acids - Gas chromatographic method
DD CEN ISO/TS 17764-2:2006 Animal feeding stuffs. Determination of the content of fatty acids. Gas chromatographic method

Korean Agency for Technology and Standards (KATS), Method for Determination of Feed Nitrogen Content

KS D 2555-2005 Methods for determination of nitrogen in tantalum
KS D 2530-2007 Methods for determination of nitrogen in titanium and titanium alloys
KS M ISO 4176-2006(2011) Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS D 1811-2003 Methods for determination of nitrogen in iron and steel
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 M ISO 5314-2007(2012) Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 4176:2012 Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS M ISO 5313:2007 High nitrogen content, straight ammonium nitrate fertilizers-Determination of oil retention
KS M ISO 5313:2013 High nitrogen content, straight ammonium nitrate fertilizers－Determination of oil retention
KS M ISO 5397:2002 Leather－Determination of nitrogen content and “hide substance”－Titrimetric method
KS M ISO 8603:2007 Solid fertilizers－Determination of urea nitrogen content－Gravimetric method using xanthydrol
KS M ISO 8603:2012 Solid fertilizers-Determination of urea nitrogen content-Gravimetric method using xanthydrol
KS M 2112-2011 Crude petroleum and petroleum products-Determination of nitrogen content
KS H ISO 3188-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Titrimetric method
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS D ISO 4945:2002 Steel－Determination of nitrogen content－Spectrophotometric method
KS H ISO 5378-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method

NL-NEN, Method for Determination of Feed Nitrogen Content

NEN 3148-1965 Methods of analysis for feeding stuffs. Determination of the fat content.
NEN 3326-1966 Feeding stuffs. Determination of the crude fiber content by the abbreviated method
NEN 3327-1966 Feeding stuffs. Determination of the crude fiber content by the sand method

European Committee for Standardization (CEN), Method for Determination of Feed 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 ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
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 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)
EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)

CEN - European Committee for Standardization, Method for Determination of Feed Nitrogen Content

EN ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method
PD CEN/TS 15407:2006 Solid recovered fuels - Method for the determination of carbon (C)@ hydrogen (H) and nitrogen (N) content
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

VN-TCVN, Method for Determination of Feed Nitrogen Content

TCVN 5282-1990 Animal feeding stuffs.Method of determination of methionine content
TCVN 1546-1974 Animal mixed feeding stuffs.Methods for determination of acid content
TCVN 4328-1-2007 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 1: Kjeldahl method
TCVN 5284-1990 Animal feeding stuffs.Method for determination of carotin content
TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content
TCVN 1545-1993 Animal mixed feeding stuffs.Method for determination of nitrogen-free extract
TCVN 3707-1990 Aquatic products.Method for the determination of amine ammonia nitrogen content
TCVN 305-2010 Steel and iron.Determination of nitrongen content.Methods of chemical analysis.
TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content
TCVN 4328-2-2011 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 2: Block digestion and steam distillation method
TCVN 1525-2001 Animal feeding stuffs.Determination of Phosphorus content.Spectrometric method
TCVN 6600-2000 Animal feeding stuffs.Determination of urea content
TCVN 4331-2001 Animal feeding stuffs.Determination of fat content
TCVN 1526-1-2007 Animal feeding stuffs.Determination of calcium content.Part 1: Titrimetric method
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 4330-1986 Animal feeding stuffs.Determination of sodium chloride content
TCVN 5283-2007 Animal feeding stuffs.Determination of tryptophan content
TCVN 4329-2007 Animal feeding stuffs.Determination of crude fibre content.Method with intermediate filtration

YU-JUS, Method for Determination of Feed Nitrogen Content

JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
JUS H.B8.286-1983 Fertilizers. Determination of content nitrat-nitrogen. Volumetric method
JUS H.B8.285-1983 Fertilizers. Determination of content amoniac-nitrogen. Volumetric method
JUS H.B8.287-1983 Fertilizers. Determination of content amid-nitrogen. Spectrophotometric method
JUS H.F8.131-1986 Gases. Determination of nitrogen content. Indirect method
JUS H.B8.815-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of copper content - Atomic absorption spectrophotometric method

Japanese Industrial Standards Committee (JISC), Method for Determination of Feed Nitrogen Content

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 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS G 1228 AMD 1:2006 Iron and steel -- Methods for determination of nitrogen content (Amendment 1)
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS G 1311-7:2012 Method for chemical analysis of ferromanganese -- Part 7: Determination of nitrogen content
JIS G 1313-6:2012 Method for chemical analysis of ferrochromium .Part 6: Determination of nitrogen content

Professional Standard - Military and Civilian Products, Method for Determination of Feed Nitrogen Content

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

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Method for Determination of Feed Nitrogen Content

GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric 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 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
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 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 42491-2023 Determination of total starch content in feed by enzymatic method
GB/T 20194-2006 Animal feeding stuffs--Determination of starch content--Polarimetric method
GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
GB/T 6434-2006 Feeding stuffs.Determination of crude fiber content.Method with intermediate filtration
GB/T 12091-1989 Method for determination of nitrogen content in starches and derived products
GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
GB/T 3598-1983 Fertilizers--Determination of urea nitrogen content--Urease method
GB/T 6434-2022 Determination of crude fiber content in feeds
GB/T 21514-2008 Determination of the content of fatty acids in feeds
GB/T 13598-1992 A method for the determination of agricultural chemical residues containing nitrogenous in tobacco leaves
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content
GB/T 24583.3-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.The distillation-neutralization titration 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

Professional Standard - Agriculture, Method for Determination of Feed Nitrogen Content

GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
219药典三部-2020 Content Determination Method 0704 Nitrogen Determination Method
NY/T 2542-2014 Fertilizers.Determination of total nitrogen content
NY/T 2419-2013 Determination of total nitrogen in plant.Automatic kjeldahl apparatus method
NY/T 1116-2014 Fertilizers.Determination of nitrate nitrogen, ammonium nitrogen, amide nitrogen contents
200药典三部-2015 Content Determination Method 0704 General Principles of Nitrogen Determination Method 49
GB 8572-1988 Determination of total nitrogen content in compound fertilizer
GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
GB 8088-1987 Determination of Nitrogen Content in Natural Raw Rubber
GB 3598-1983 Determination of Urea Nitrogen Content in Fertilizers Urease Method
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
NY/T 1977-2010 Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content
NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method

Indonesia Standards, Method for Determination of Feed Nitrogen Content

SNI 4146-2013
SNI 13-3482-1994 Coal, Determination of nitrogen using Kyeldahl method

PT-IPQ, Method for Determination of Feed Nitrogen Content

NP 2026-1987
NP 1786-1985
NP 1785-1986
NP 4154-1991 Animal feeding stuffs Determination of volatile nitrogenous bases. Distillation méthod
NP 876-2001 Animal feeding stuffs Determination of fat content
NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method

Group Standards of the People's Republic of China, Method for Determination of Feed Nitrogen Content

T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method
T/NAIA 060-2021 Determination of true protein in feed Kjeldahl method
T/CMES 01011-2023 Determination method for content of nitrogen, sulfur and phosphorus in recycled sand for foundry

PH-BPS, Method for Determination of Feed Nitrogen Content

PTS 83-1970 Method of Test for the Determination of Nitrogen Content of Nitrate-Free Fertilizers

GOSTR, Method for Determination of Feed Nitrogen Content

GOST 13496.5-2018 Mixed feeds. Methods of ergot determination
GOST 13496.4-2019 Fodder, мixed fodder and raw mixed fodder. Methods of nitrogen and crude protein determination

Inner Mongolia Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

DB15/T 1458-2018 Method for Determination of pH Value, Organic Acid and Ammonia Nitrogen in Silage
DB15/T 1236-2017 Determination of volatile basic nitrogen in feedstuffs of animal origin by automatic Kjeldahl method

ZA-SANS, Method for Determination of Feed Nitrogen Content

SANS 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
SANS 970:2010 Leather - Determination of nitrogen content and "hide substance" - Titrimetric method

Military Standard of the People's Republic of China-General Armament Department, Method for Determination of Feed Nitrogen Content

GJB 337-1987 Determination method of nitrogen content of nitrocellulose (interferometer method)
GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 337-1987(XG1-2015) Modification sheet 1-2015 for determination method of nitrogen content of nitrocellulose

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

GB/T 6432-2018 Determination of crude protein in feeds—Kjeldahl method
GB/T 36859-2018 Determination of urea content in feed
GB/T 37588-2019 Carbon materials—Determination of nitrogen content—Dumas combustion method
GB/T 20194-2018 Determination of starch in feeds—Polarimetry
GB/T 24583.3-2019 Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method

American Society for Testing and Materials (ASTM), Method for Determination of Feed Nitrogen Content

ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D2868-96 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 D2868-10 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather

Professional Standard - Commodity Inspection, Method for Determination of Feed Nitrogen Content

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 0736.5-1999 Chemical analysis of fertilizers for import and export.Determination of nitrogen content
SN/T 0541.5-2009 Inspecting method of import and export standard rubber.Determination of nitrogen content

Heilongjiang Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

DB23/T 1382-2010 Spectrophotometric method for determination of urea content in feed
DB23/T 2492-2019 Test method for content of carbon, nitrogen, hydrogen, sulfur and oxygen in graphene materials

ES-AENOR, Method for Determination of Feed Nitrogen Content

CU-NC, Method for Determination of Feed Nitrogen Content

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

TR-TSE, Method for Determination of Feed Nitrogen Content

TS 2428-1976 METHODS FOR THE CHEMICAL ANALYSIS OF IRON AND STEELS DETERMINATION OF NITROGEN CONTENT

PL-PKN, Method for Determination of Feed Nitrogen Content

PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air
PN A79528-17-1993 Spirit (ethyl alcohol). Methods of tests. Determination of voltile nitrogen basen content

工业和信息化部/国家能源局, Method for Determination of Feed Nitrogen Content

JB/T 13306-2017 Method for detecting impurity content in superabrasive cubic boron nitride

Professional Standard - Building Materials, Method for Determination of Feed Nitrogen Content

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

工业和信息化部, Method for Determination of Feed Nitrogen Content

YB/T 4582.7-2017 Determination of total nitrogen content of ferrous silicon nitride by neutralization titration method

BE-NBN, Method for Determination of Feed Nitrogen Content

NBN T 04-301-1983 Urea for industrial use - Determination of nitrogen content - Titrimetric raethod after distillation
NBN V 21-003-1987 Milk - Determination of nitrogen content - Kjeldahl method

KR-KS, Method for Determination of Feed Nitrogen Content

KS M ISO 8603-2007 Solid fertilizers－Determination of urea nitrogen content－Gravimetric method using xanthydrol

AR-IRAM, Method for Determination of Feed Nitrogen Content

IRAM 14 522-1961

Shaanxi Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

陕DB/T235-1996

Taiwan Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

CNS 2770.6-1986 Method of Test for Feeds : Determination of Volatile BAsic Nitrogen
CNS 2770-6-1986 Method of Test for Feeds : Determination of Volatile BAsic Nitrogen

Professional Standard - Ferrous Metallurgy, Method for Determination of Feed Nitrogen Content

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

International Dairy Federation (IDF), Method for Determination of Feed Nitrogen Content

IDF 20-1-2001 Milk - Determination of nitrogen content - Part 1: Kjeldahl method

Zhejiang Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

DB33/T 308-2001 Determination method of clenbuterol hydrochloride content in feed

Tianjin Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

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

Shandong Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

DB37/T 3370-2018 Determination of Crude Fiber Content in Feed Polyester Mesh Bag Method

Henan Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

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

Guangxi Provincial Standard of the People's Republic of China, Method for Determination of Feed Nitrogen Content

DB45/T 939-2013 Determination of Mercury Content in Soil, Fertilizer, Feed and Hair Direct Mercury Meter Method