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Feed total nitrogen determination method

Feed total nitrogen determination method, Total:498 items.

In the international standard classification, Feed total nitrogen determination method involves: Animal feeding stuffs, Fertilizers, Coals, Farming and forestry, External water conveyance systems, Water quality, Edible oils and fats. Oilseeds, Analytical chemistry, General methods of tests and analysis for food products, Soil quality. Pedology, Fuels, Organic chemicals, Lubricants, industrial oils and related products, Ferrous metals, Veterinary medicine, Inorganic chemicals, Vocabularies, Air quality, Petroleum products in general, Microbiology, Food products in general, Spices and condiments. Food additives, Products of the textile industry, Metalliferous minerals, Agricultural machines, implements and equipment, Cereals, pulses and derived products, Milk and milk products, Meat, meat products and other animal produce, Earthworks. Excavations. Foundation construction. Underground works, Refractories, Beverages, Construction materials, Products of the chemical industry, Furniture.

RU-GOST R, Feed total nitrogen determination method

GOST 24596.3-2015 Feed phosphates. Method for determination of nitrogen
GOST R 50466-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 24596.3-1981 Feed phosphates. Methods for determination of nitrogen
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 51422-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of urea fraction of total mass
GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
GOST R 51425-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of zearalenone fraction of total mass
GOST 13496.12-1998 Mixed fodder, raw mixed fodder. Method for determination of total oxidity
GOST 13496.12-1975 Combined animal feeding stuffs. Method for determination of total oxidity
GOST R 51418-1999 Feedstuffs, compound feeds, feed raw materials. Methods for determination of ash fraction of total mass insoluble in hydrochloric acid
GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
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 32933-2014 Feeds, compound feeds. Method for determination of crude ash
GOST 32201-2013 Feeds, compound feeds. Method for determination of tryptophan
GOST 32195-2013 Feeds, compound feeds. Method for determination of amino acids
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 13496.22-1990 Fodder, mixed fodder, and mixed fodder raw materials. Method for determination of cistinum and metioninum
GOST 29113-2016 Feed, feed raw materials. Methods for determination of mass fraction of urea
GOST 32904-2014 Feeds, compound feeds. Methods for determination of calcium content titrimetric method
GOST ISO 15914-2016 Animal feeding stuffs. Enzymatic determination of total starch content
GOST 31674-2012 Feeds, compound feeds, material for compound feeds. Methods for the determination of common toxicity
GOST R 52337-2005 Feeds, compound feeds, material for compounds feeds. Methods for the determination of common toxicity
GOST 13496.18-1985 Mixed fodder and fodder raw stuff. Methods for determination of fat acid value
GOST 31482-2012 Mixed feeds. Method for determination of aldehydes
GOST R 52699-2006 Mixed feeds. Method for determination of aldehydes
GOST 27548-1987 Vegetable feeds. Methods for determination of moisture
GOST 32251-2013 Feeds, compound feeds. Method for determination of aflatoxin B1
GOST 13496.7-1997 Feed grain, grain by products, compound feeds. Methods for the determination of toxicity
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 28902-1991 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method
GOST 32905-2014 Feeds, mixed feeds and raw material. Method for determination of fat content
GOST 13496.2-1991 Fodder mixed fodder and mixed fodder raw material. Method for determination of raw cellular tissue
GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content
GOST 24596.11-2015 Feed phosphates. Method for determination of cadmium
GOST 24596.9-2015 Feed phosphates. Method for determination of lead
GOST 24596.10-2015 Feed phosphates. Methods for determination of mercury
GOST 24596.8-2015 Feed phosphates. Methods for determination of arsenic
GOST 24596.4-2015 Feed phosphates. Method for determination of calcium
GOST 24596.2-2015 Feed phosphates. Methods for determination of phosphorus
GOST 24596.7-2015 Feed phosphates. Method for determination of flourine
GOST 13496.17-1995 Forage. Methods for determining carotin
GOST 13496.17-1984 Forage. Method for determination carotin
GOST 13496.20-2014 Feeds, mixed feeds and raw material. Method for determining residual quantities of pesticides
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 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 R 50465-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrate and nitrite determination
GOST 28497-2014 Feeds, compound feeds. Method of crumbling properties granule determination
GOST 13496.7-1992 Feed grain, grain by-products, compound feeds. Methods for determination of toxicity
GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
GOST 32045-2012 Feeds, compound feeds, material for compound feeds. Methods for determination of ash content, insoluble in hydrochloric acid
GOST 31640-2012 Feeds. Methods for determination of dry matter content
GOST R 52838-2007 Feeds. Methods for determination of dry matter content
GOST 24596.6-2015 Feed phosphates. Methods for determination of moisture
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 13496.14-1987 Mixed fodder, raw mixed fodder, fodder. Method for determination of ash insoluble in hydrochloric acid
GOST 34044-2016 Feeds, compound feeds, feed raw materials. Method for determination of xenobiotics by high performance liquid chromatography-mass spectrometry
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
GOST R 51766-2001 Raw material and food-stuffs. Atomic absorption method for determination of arsenic
GOST R 56058-2014 Feed and feed additives. Methods of identification and determination GMO of plant origin
GOST 13496.19-2015 Feeds, mixed feeds and raw material. Methods for determination of nitrate and nitrite
GOST R 52698-2006 Mixed fodders, rawstuff for mixed fodders. Method for determining the residual quantities of chlorine-organic pesticides
GOST 13496.21-1987 Feeds, mixed feeds and raw material. Methods for determining content of lisin and tryptophane
GOST 28758-1997 Granular mixed fodders for fish. Methods for determination of water-proofness
GOST 26573.1-1993 Premixes. Methods for determination of vitamin A
GOST 27548-1997 Vegetable feeds. Methods for determination of moisture content
GOST 28758-1990 Mixed fodder granular for fish. Method for determination of water-proofness
GOST 28254-2014 Sompound feeds, feed raw materials. Methods for determination of volume mass and natural slope angle
GOST 31481-2012 Mixed fodders, raw stuff for mixed fodders. Method for determining the residual quantities of chlorine-organic pesticides
GOST R 55987-2014 Feeds and raw material for mixed feeds. Method for determination of digestibility of feather meal in vitro
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 32044.1-2012 Feeds, mixed feeds and raw material. Determination of mass fraction of nitrogen and calculation of mass fraction of crude protein. Part 1. Kjeldahl method
GOST 31653-2012 Feedstuffs. Method of immunoenzyme mycotoxin determination
GOST ISO 6865-2015 Animal feeding stuffs. Method for determination of crude fibre content
GOST 32250-2013 Feeds, mixed feeds. Method for determination of potassium and sodium using flame-emission spectrometry
GOST 28396-1989 Grain raw material, mixed fodder. Method for determination of patuline
GOST 31983-2012 Food products, feeds, food raw materials. Method for determination of polychlorinated biphenyls
GOST R 53991-2010 Food products, feeds, food raw materials. Method for determination of polychlorinated biphenyls
GOST R 54234-2010 Solid recovered fuels. Determination of carbon, hydrogen and nitrogen content by instrument methods
GOST 13496.21-2015 Feeds, mixed feeds and raw material. Methods for determination of lisin and tryptophane
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 R 53862-2010 Mixed feeds, protein-vitamin-mineral concentrates. Method for determination of the oxiacids
GOST 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)
GOST 30134-1997 Fodder yeast. Method of accelerated determination of salmonells
GOST 24596.5-2015 Feed phosphates. Method for determination of hydrogen ions activity value
GOST R ISO 16634-1-2011 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
GOST 28074-1989 Vegetable fodder. Method for the determination of crude protein solubility
GOST 28075-1989 Vegetable fodder. Method for the determination of crude protein splitting
GOST 2642.15-1997 Refractories and refractory raw materials. Method for determination of general carbon
GOST 2642.15-2021 Refractories and refractory raw materials. Methods for determination of general carbon
GOST 26176-1991 Fodders, mixed feeds. Methods for determination of soluble and hidrolysable carbohydrates
GOST 32979-2014 Solid mineral fuel. Instrumental method for determination of carbon, hydrogen and nitrogen
GOST R 57543-2017 Feedstuffs, compound feeds, feed raw materials. Method for determination of crude protein, crude fiber, crude fat and moisture using spectroscopy in the near-in-infrared region measurement mode transmission spectra
GOST 28001-1988 Fodder grain, products of its processing, mixed feeds. Methods for determination of micotoxins; T-2 toxin, zearalenon (F-2) and ochratoxin A
GOST 13496.20-1987 Mixed fodders, raw stuff for mixed fodders. Method for determining residual quantities of pesticides
GOST R 55576-2013 Feed and feed additives. Method for determining quality of regulatory sequences in the genomes of soybean and corn
GOST R 52911-2008 Solid mineral fuels. Methods for determination of total moisture
GOST 24596.12-2015 Feed phosphates. Method for determination of ash insoluble in hydrochloric acid
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 28254-1989 Mixed feeds, raw material. Methods for determination of volume mass and natural slope angle
GOST 8606-2015 Solid mineral fuel. Determination of total sulfur. Eschka method
GOST R 52839-2007 Feeds. Methods for determination of crude fibre content with intermediate filtration
GOST 24230-1980 Vegetable feeds. Methods for determination of digestibility in vitro
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

Group Standards of the People's Republic of China, Feed total nitrogen determination method

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/SDFA 002.1-2020 Fermented Feed Raw Materials Part 1 Determination of Total Acids - Acid-Base Titration
T/CNTAC 20-2018 Textile—Rapid determination method of the banned azo colorants

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Feed total nitrogen determination method

GB/T 13093-1991 Method for determination of aerobic bacterial count in feeds
GB 13093-1991 Method for determiantion of aerobic bacterial count in feeds
GB/T 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 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 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 6437-2002 Determination of phosphorus in feed--Spectphotometry
GB/T 42491-2023 Determination of total starch content in feed by enzymatic method
GB/T 609-1988 Chemical reagent--General method for the determination of total nitrogen
GB/T 609-2006 Chemical reagent General method for the determination of total nitrogen
GB/T 609-2018 Chemical reagent.General method for the determination of total nitrogen
GB/T 13883-1992 Method for the determination of selenium in feedstuffs.(DAN) fluorometrt
GB/T 13080-1991 Method for determination of lead in feeds
GB/T 13081-1991 Method for determination of mercury in feeds
GB/T 13082-1991 Method for determination of cadmium in feeds
GB/T 13088-1991 Method for determination of chromium in feeds
GB/T 6433-1994 Method for the determination of crude fat in feedstuffs
GB 13082-1991 Determination method of cadmium in feed
GB/T 6438-1992 Method for the determination of crude ash in feedstuffs
GB/T 6435-1986 Method for the determination of moisture in feedstuffs
GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content
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 6434-1994 Method for determination of crude fiber in feedstuffs
GB/T 6432-1994 Method for the determination of crude protein in feedstuffs
GB/T 15398-1994 Determination of available lysine in feedstuffs
GB/T 13084-1991 Method for determination of glycosidic hydrocyanic acid in feeds
GB 13084-1991 Determination method of cyanide in feed
GB 9170-1988 Determination method of total nitrogen content in lubricating oil and fuel oil (improved Kjeldahl method)
GB/T 9170-1988 Lubricating oils and fuel oils--Determination of total nitrogen--Modified kjeldahl method
GB/T 17816-1999 Determination of total ascorbic acid in feeds--o-Phenylenediamine fluorometry
GB/T 13085-1991 Method for determination of nitrite in feeds
GB/T 6439-1992 Method for the determination of water-soluble chioride in feedstuffs
GB/T 13086-1991 Method for determination of free gossypol in feeds
GB/T 30728-2014 Determination of nitrogen in solid biofuels
GB/T 8381-1987 The method of determination of aflatoxin B1 in feedstuff
GB/T 13087-1991 Method for determination of isothiocyanates in feeds
GB 13087-1991 Determination method of isothiocyanate in feed
GB/T 13089-1991 Method for determination of oxazolidinethione in feeds
GB/T 15400-1994 Determination of tryptophan in feedstuffs--Spectrophotometry
GB/T 6730.24-1986 Methods for chemical analysis of iron ores--The arsenazo 3 photometric method for the determination of rare earth elements content
GB/T 13884-1992 Method for the determination of cobalt in feedstuffs—Atomic absorption spectroscopy
GB/T 23952-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Distillation-acid-base titrations method
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
GB/T 12143.2-1989 Determination method for amino nitrogen content in fruit and vegetable juice beverages--Formol number
GB 12143.2-12143.3-89 Determination method for amino nitrogen content in fruit and vegetable juice beverages-Formol number Determination method for L-ascorbic acid in fruit and vegetable juice beverages-Ethyl ether extract
GB/T 21101-2007 Identification of porcine derived materials in animal-originated feedstuffs- PCR method
GB/T 21105-2007 Identification of Canis derived materials in animal-originated feedstuffs-PCR method
GB/T 21106-2007 Identification of Cervus derived materials in animaloriginated feedstuffs-PCR method
GB/T 15399-1994 Determination of sulfur amino acids in feedstuffs--Ion exchange chromatography
GB/T 21107-2007 Idemtification of horse and donkey derived materials in animal-originated feedstuffs.PCR method
GB/T 21100-2007 Identification of Camelidae derived materials in animal-originated feedstuffs.PCR method
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB/T 23772-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Nessler's reagent colorimetric method
GB/T 13885-1992 Method for the determination of the iron、copper、manganese、zinc and magnesium in feedstuffs—Atomic absorption spectroscopy

Jilin Provincial Standard of the People's Republic of China, Feed total nitrogen determination method

DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)
DB22/T 1995-2014 Determination of feed grade choline chloride content Kjeldahl method
DB22/T 2051-2014 PCR method for determination of Clostridium botulinum in feed
DB22/T 2052-2014 Real-time fluorescent PCR method for determination of Salmonella in feed
DB22/T 2053-2014 A real-time fluorescent PCR method for the determination of Aspergillus nidulans in feed
DB22/T 2049-2014 PCR method for determination of duck-derived components in animal-derived feed

VN-TCVN, Feed total nitrogen determination method

TCVN 1545-1993 Animal mixed feeding stuffs.Method for determination of nitrogen-free extract
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 1535-1993 Animal mixed feeding stuffs.Methods for determination of fineness
TCVN 5282-1990 Animal feeding stuffs.Method of determination of methionine content
TCVN 5306-1991 Animal feeding stuffs.Method for determination of fuzariotoxin
TCVN 4804-1989 Animal feeding stuffs.Method for determination of aflatoxin
TCVN 1546-1974 Animal mixed feeding stuffs.Methods for determination of acid content
TCVN 5284-1990 Animal feeding stuffs.Method for determination of carotin content
TCVN 4328-1-2007 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 1: Kjeldahl method

Inner Mongolia Provincial Standard of the People's Republic of China, Feed total nitrogen determination method

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
DB15/T 1594-2019 Method for Determination of Microbial Quantity in Silage

British Standards Institution (BSI), Feed total nitrogen determination method

BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 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 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS EN ISO 15914:2005 Animal feeding stuffs. Enzymatic determination of total starch content
BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
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 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS ISO 1871:2009 Food and feed products - General guidelines for determination of nitrogen by Kjeldahl method
BS ISO 29541:2010 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental method
BS 5766-11:1986 Methods for analysis of animal feeding stuffs. Determination of calcium by titration
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
20/30419338 DC BS EN ISO 20620. Fertilizers and soil conditioners. Determination of total nitrogen by combustion
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 5766-12:1986 Methods for analysis of animal feeding stuffs. Determination of gossypol
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS EN 17362:2020 Animal feeding stuffs: Methods of sampling and analysis. Determination of pentachlorophenol (PCP) in feed materials and compound feed by LC-MS/MS
BS EN 17504:2022 Animal feeding stuffs: Methods of sampling and analysis. Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS
BS EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
BS DD CEN/TS 15407:2006 Solid recovered fuels - Method for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
BS 5551 SubSec.4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
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 DD CEN/TS 15750:2009 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 17853:2023 Animal feeding stuff: Methods of sampling and analysis. Determination of intact glucosinolates in feed materials and compound feed by LC-MS/MS
19/30376498 DC BS EN 17362. Animal feeding stuffs: Methods of sampling and analysis. Determination of pentachlorophenol (PCP) in feed materials and compound feed by LC-MS/MS
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 5766-3:1999 Methods for analysis of animal feeding stuffs. Determination of phosphorus content (spectrometic method)
20/30396927 DC BS EN 17504. Animal feeding stuffs: Methods of sampling and analysis. Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS
BS EN 17270:2019 Animal feeding stuffs: Methods of sampling and analysis. Determination of theobromine in feed materials and compound feed, including cocoa derived ingredients, by liquid chromatography
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 5766-19:2000 Methods for analysis of animal feeding stuffs. Determination of starch content. Polarimetric method
BS EN 17053:2018 Animal feeding stuffs: Methods of sampling and analysis. Determination of trace elements, heavy metals and other elements in feed by ICP-MS (multi-method)
BS EN 17256:2019 Animal feeding stuffs: Methods of sampling and analysis. Determination of ergot alkaloids and tropane alkaloids in feed materials and compound feeds by LC-MS/MS
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 5551-3.4:1987 Fertilizers. Physical properties. Method for determination of oil retention of high nitrogen content, straight ammonium nitrate fertilizers
BS EN 17050:2017 Animal feeding stuffs: Methods of sampling and analysis. Determination of iodine in animal feed by ICP-MS

GOSTR, Feed total nitrogen determination method

GOST R 58596-2019 Soils. Methods for determination of total nitrogen
GOST 13496.17-2019 Forage. Methods for determining carotin
GOST 26176-2019 Fodders, mixed feeds. Methods for determination of soluble and hydrolysable carbohydrates
GOST ISO 11085-2016 Feed, сereals and cereals-based products. Determination of crude fat and total fat content by the Randall extraction method

German Institute for Standardization, Feed total nitrogen determination method

DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN 51732:2014 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN 51732:2007 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN EN 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 EN ISO 15914:2005-06 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004); German version EN 15914:2005
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 17050:2017-11 Animal feeding stuffs - Methods of sampling and analysis - Determination of iodine in animal feed by ICP-MS; German version EN 17050:2017
DIN EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version EN 15104:2011
DIN EN 17050:2017 Animal feeding stuffs - Methods of sampling and analysis - Determination of iodine in animal feed by ICP-MS
DIN EN 17362:2020 Animal feeding stuffs: Methods of sampling and analysis - Determination of pentachlorophenol (PCP) in feed materials and compound feed by LC-MS/MS
DIN EN 17853:2023-06 Animal feeding stuff - Methods of sampling and analysis - Determination of intact glucosinolates in feed materials and compound feed by LC-MS/MS; German version EN 17853:2023
DIN EN 17362:2020-07 Animal feeding stuffs: Methods of sampling and analysis - Determination of pentachlorophenol (PCP) in feed materials and compound feed by LC-MS/MS; German version EN 17362:2020
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 17504:2022 Animal feeding stuffs: Methods of sampling and analysis - Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS
DIN EN 17504:2022-05 Animal feeding stuffs: Methods of sampling and analysis - Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS; German version EN 17504:2022
DIN EN 17053:2018 Animal feeding stuffs - Methods of sampling and analysis - Determination of trace elements, heavy metals and other elements in feed by ICP-MS (multi-method)
DIN EN 17053:2018-03 Animal feeding stuffs - Methods of sampling and analysis - Determination of trace elements, heavy metals and other elements in feed by ICP-MS (multi-method); German version EN 17053:2018
DIN EN 17256:2019-12 Animal feeding stuffs: Methods of sampling and analysis - Determination of ergot alkaloids and tropane alkaloids in feed materials and compound feeds by LC-MS/MS; German version EN 17256:2019
DIN EN 17270:2019 Animal feeding stuffs: Methods of sampling and analysis - Determination of theobromine in feed materials and compound feed, including cocoa derived ingredients, by liquid chromatography
DIN EN 17270:2019-12 Animal feeding stuffs: Methods of sampling and analysis - Determination of theobromine in feed materials and compound feed, including cocoa derived ingredients, by liquid chromatography; German version EN 17270:2019
DIN EN 15742:2020 Animal feeding stuffs: Methods of sampling and analysis - Determination of OCPs by GC-ECD
DIN EN 15742:2020-06 Animal feeding stuffs: Methods of sampling and analysis - Determination of OCPs by GC-ECD; German version EN 15742:2020

RO-ASRO, Feed total nitrogen determination method

STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
SR 2567-1-1997 Soft drinks - Methods of analysis - Determination of total acidity (Uzual method )

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

GB/T 6432-2018 Determination of crude protein in feeds—Kjeldahl method
GB/T 6437-2018 Determination of phosphorus in feeds—Spectrophotometry
GB/T 13086-2020 Method for determination of free gossypol in feeds
GB/T 13089-2020 Method for determination of oxazolidinethione in feeds
GB/T 13087-2020 Determination of isothiocyanates in feeds
GB/T 40747-2021 Determination of fermentable organic matter（FOM） of ruminant feedstuffs in rumen
GB/T 40904-2021 Methods for the determination of prohibited substances in furniture products and related materials—Azo dyes

Indonesia Standards, Feed total nitrogen determination method

SNI 4146-2013
SNI 1971-2011 Cara uji kadar air total agregat dengan pengeringan

YU-JUS, Feed total nitrogen determination method

JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method

Danish Standards Foundation, Feed total nitrogen determination method

DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
DS/EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch 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 29541:2011 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
DS/EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
DS/EN 17462:2021 Animal feeding stuffs: Methods of sampling and analysis – Determination of the radionuclides Iodine-131, Caesium-134 and Caesium-137 in feed

Lithuanian Standards Office , Feed total nitrogen determination method

LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
LST EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004)
LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
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)

AENOR, Feed total nitrogen determination method

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 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE-EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004)
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 84047:1995 COSMETIC RAW MATERIALS. DETERMINATION OF NITROGEN. KJEDHAL'S METHOD (SEMI-MICRO).
UNE 64012:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF RAW PROTEIN. MACROMETHOD.

European Committee for Standardization (CEN), Feed total nitrogen determination method

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 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
EN 17050:2017 Animal feeding stuffs: Methods of sampling and analysis - Determination of iodine in animal feed by ICP-MS
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
FprEN 17504-2021 Animal feeding stuffs: Methods of sampling and analysis - Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS

CZ-CSN, Feed total nitrogen determination method

CSN 46 7092-24-1998 Testing methods for feeding stuffs - Part 24: Determination of the non-nitrogen extract substances
CSN 46 7092-11-1998 Testing methods for feeding stuffs - Part 11: Determination of total phosphorus content
CSN 46 7092-17-1998 Testing methods for feeding stuffs - Part 17: Determination of total sulphur content
CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals
CSN 46 7092-26-1998 Testing methods for feeding stuffs - Part 26: Determination of total carbonate content
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 46 7092-19-1998 Testing methods for feeding stuffs - Part 19: Determination of free, binded and total acidity in water extract
CSN 46 7092-35-1998 Testing methods for feeding stuffs - Part 35: Determination of granularity
CSN 46 7011-1974 Methods of determination o? harmful subtances in fodders
CSN 46 7092-36-1998 Testing methods for feeding stuffs - Part 36: Determination of crumbled scrap in granuled feeding stuffs
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 46 7092-15-1998 Testing method for feeding stuffs - Part 15: Determination of sodium
CSN 46 7013 Cast.22-1987 Testing methods for fodder mixtures. Crude fibre determination
CSN 46 7013 Cast.1-1977 Testing methods for fodder mixtures. Common regulations
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 7092-31-1998 Testing methods for feeding stuffs - Part 31: Determination of solubility index in milk feeding mixtures
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 7092-21-1998 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 7092-34-1998 Testing methods for feeding stuffs - Part 34: Determination of parasites
CSN 46 7013 Cast.4/3-1977 Testing methods for fodder mixtures. Chemical tests. Determination of fat
CSN 46 7092-32-1998 Testing methods for feeding stuffs - Part 32: Determination of the adipose particles size in milk feeding mixtures
CSN 46 7092-3-1998 Testing methods for feeding stuffs - Part 3: Determination of moisture content
CSN 46 7092-8-1998 Testing methods for feeding stuffs - Part 8: Determination of the fat acidity number
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 7092-84-1998 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 7092-66-1998 Testing methods for feeding stuffs - Part 66: Determination of lasalocide 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 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

Taiwan Provincial Standard of the People's Republic of China, Feed total nitrogen determination method

CNS 2770-11-1986 Method of Test for Feeds : Determination of Total Sugars
CNS 2770.11-1986 Method of Test for Feeds : Determination of Total Sugars
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 - Commodity Inspection, Feed total nitrogen determination method

SN/T 2115-2008 Determination of the hotel nitrogen content and calculation of the crude protein content in food and feed for import and export.Combustion according to the Dumas principle
SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 2867-2011 Qualitative identification of fish derived material in feedstuff-PCR method
SN/T 0800.4-1999 Cereals and feedstuffs for import and export.Method for the determination of urease activity
SN/T 1201-2003 Protocol of PCR for detection of genetically modified feed

Association Francaise de Normalisation, Feed total nitrogen determination method

NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
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 ISO 20620:2022 Engrais et amendements - Détermination de l'azote total par combustion
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF EN 15750:2010 Engrais - Détermination de la teneur en azote total des engrais ne contenant l'azote que sous forme nitrique, ammoniacale et uréique, selon deux méthodes différentes
NF V18-120:1997 Animal feeding stuffs. Determination of nitrogen content. Combustion method (DUMAS).
NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
NF EN ISO 15914:2005 Aliments des animaux - Détermination enzymatique de la teneur totale en amidon
NF U42-504*NF ISO 20620:2022 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
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 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 X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
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 V18-404*NF EN 17050:2017 Animal feeding stuffs : Methods of sampling and analysis - Determination of iodine in animal feed by ICP-MS
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 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 V18-249*NF EN 17362:2020 Animal feeding stuffs : methods of sampling and analysis - Determination of pentachlorophenol (PCP) in feed materials and compound feed by LC-MS/MS
NF V18-804*NF EN 17504:2022 Animal feeding stuffs - Methods of sampling and analysis - Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS
NF EN 17853:2023 Alimentation animale : méthodes d'échantillonnage et d'analyse - Dosage des glucosinolates intacts dans les matières premières pour l'alimentation animale et les aliments composés par CLHP MS/MS
NF V18-236*NF EN 15782:2009 Animal feeding stuffs - Determination of nicarbazin - High-performance liquid chromatographic method
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 EN 17504:2022 Aliments des animaux - Méthodes d'échantillonnage et d'analyse - Dosage du gossypol dans les graines de coton et les aliments pour animaux par CL-SM/SM
NF V18-247*NF EN 17053:2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of trace elements, heavy metals and other elements in feed by ICP-MS (multi-method)
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 EN ISO 16634-1:2008 Produits alimentaires - Détermination de la teneur en azote total par combustion selon le principe Dumas et calcul de la teneur en protéines brutes - Partie 1 : graines oléagineuses et aliments des animaux
NF V18-216*NF EN 17270:2019 Animal feeding stuffs : methods of sampling and analysis - Determination of theobromine in feed materials and compound feed, including cocoa derived ingredients, by liquid chromatography
NF X34-220:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content.
NF V18-142*NF EN 15742:2020 Animal feeding stuffs : methods of sampling and analysis - Determination of OCPs by GC-ECD

Korean Agency for Technology and Standards (KATS), Feed total nitrogen determination method

KS M ISO 5315-2007(2012) Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS M ISO 5315:2007 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
KS M ISO 5315:2013 Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS E ISO 334:2018 Solid mineral fuels — Determination of total sulfur — Eschka method

International Organization for Standardization (ISO), Feed total nitrogen determination method

ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
ISO 20620:2021 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
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 12902:2001 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
ISO/CD 29541:1976 Solid mineral fuels — Determination of total carbon, hydrogen and nitrogen content — Instrumental method
ISO/TR 10391:1992 Forage harvesters; method of determining by screening and expressing particle size of chopped forage materials
ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method

American Society for Testing and Materials (ASTM), Feed total nitrogen determination method

ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-20 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-19 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08(2019) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-96 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-01 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-05 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2002)e1 Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM D3228-03 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2016) Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM D3228-08(2014) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D6556-10 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-04 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D6556-00a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-17 Standard Test Method for Carbon Black&x2014;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-07 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-03 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-02 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-02a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-09 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-21 Standard Test Method for Carbon Black—Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-14 Standard Test Method for Carbon Blackmdash;Total and External Surface Area by Nitrogen Adsorption
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection

Tianjin Provincial Standard of the People's Republic of China, Feed total nitrogen determination method

DB12/T 847-2018 Spectrophotometric method for the determination of total sugar in feed
DB12/T 1023-2020 Determination of total nitrogen content in organic fertilizers Dumas combustion method

未注明发布机构, Feed total nitrogen determination method

BS EN ISO 15914:2005(2006) Animal feeding stuffs — Enzymatic determination of total starch 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 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content

Hebei Provincial Standard of the People's Republic of China, Feed total nitrogen determination method

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

Professional Standard - Agriculture, Feed total nitrogen determination method

GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
GB 13080-1991 Determination method of lead in feed
GB 13088-1991 Determination method of chromium in feed
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
GB/T 14700-1993 Method for Determination of Vitamin B1 in Feed
GB/T 14702-1993 Method for Determination of Vitamin B6 in Feed
GB/T 14701-1993 Method for Determination of Vitamin B2 in Feed
水产品质量安全检验手册 9.2.3.0-2005 Chapter IX Fishing Feed Inspection Section 2 Microorganism Testing Methods in Fishing Feed 3. Determination of Total Bacteria in Fishing Feed (GBT 13093-1991)
GB 13085-1991 Determination method of nitrite in feed
GB 13086-1991 Determination method of free gossypol in feed
LS 81.1-1983 General regulations on methods for determination of nutritional components in feed
GB 13089-1991 Determination method of oxazolidinethione in feed
NY/T 1757-2009 Determination of benzodiazepines in feeds High performance liquid chromatography tandem mass spectrometry
水产品质量安全检验手册 9.1.8.0-2005 Chapter 9 Inspection of Fish Feeds Section 1 Basic Methods of Fish Feed Testing 8. Determination of Acid Value in Fishmeal (Feed) (GBT 19164-2003)
水产品质量安全检验手册 9.1.3.0-2005 Chapter 9 Inspection of Fishing Feed Section 1 Basic Method of Testing Fishing Feed 3. Determination of Crude Ash in Fishing Feed (GBT 6438-1992)
水产品质量安全检验手册 9.1.7.0-2005 Chapter IX Inspection of Fishing Feed Section 1 Basic Method of Testing Fishing Feed VII. Determination of Crude Fiber in Fishing Feed (GBT 6434-1994)
水产品质量安全检验手册 9.1.6.0-2005 Chapter IX Inspection of Fishing Feed Section 1 Basic Method of Testing Fishing Feed VI. Determination of Crude Protein in Fishing Feed (GBT 6432-1994)
水产品质量安全检验手册 9.3.4.0-2005 Chapter IX Fishing Feed Inspection Section 3 Fishing Feed Routine Physical and Chemical Testing Methods 4. Determination of Mercury in Fishing Feed (GBT 13081-1991)
水产品质量安全检验手册 9.1.4.0-2005 Chapter IX Fishing Feed Inspection Section 1 Basic Method of Fishing Feed Testing 4. Determination of Crude Fat in Fishing Feed (GBT 6433-1994)
水产品质量安全检验手册 9.3.6.2-2005 Chapter 9 Inspection of Fishing Feed Section 3 Routine Physical and Chemical Testing Methods for Fishing Feed VI. Determination of Inorganic Arsenic in Fishing Feed (GBT 5009.11-2003) (2) Silver Salt Method
水产品质量安全检验手册 9.3.3.0-2005 Chapter IX Fishing Feed Inspection Section 3 Fishing Feed Routine Physical and Chemical Testing Methods 3. Determination of Chromium in Fishing Feed - Spectrophotometric Method (GBT 13088-1991)
水产品质量安全检验手册 9.3.5.0-2005 Chapter 9 Inspection of Fishing Feed Section 3 Routine Physical and Chemical Testing Methods of Fishing Feed 5. Determination of Lead in Fishing Feed - Spectrophotometric Method (GBT 13080-1991)
水产品质量安全检验手册 9.3.2.0-2005 Chapter 9 Inspection of Fishing Feed Section 3 Conventional Physical and Chemical Testing Methods for Fishing Feed 2. Determination of Cadmium in Fishing Feed - Spectrophotometric Method (GBT 13082-1991)
水产品质量安全检验手册 9.3.8.0-2005 Chapter 9 Inspection of Fishing Feed Section 3 Routine Physical and Chemical Testing Methods of Fishing Feed 8. Determination of Amino Acids in Fishing Feed (GBT 18246-2000)
水产品质量安全检验手册 9.3.12.0-2005 Chapter IX Fishing Feed Inspection Section 3 Fishing Feed Routine Physical and Chemical Testing Methods 12. Determination of Cyanide in Fishing Feed (GBT 13084-1991)
水产品质量安全检验手册 9.3.14.0-2005 Chapter 9 Fishing Feed Inspection Section 3 Fishing Feed Routine Physical and Chemical Testing Methods 14. Determination of Diethylstilbestrol in Fishing Feed - Liquid Chromatography-Mass Spectrometry
水产品质量安全检验手册 9.3.10.2-2005 Chapter Nine Fishing Feed Inspection Section Three Fishing Feed Routine Physical and Chemical Testing Methods X. Determination of Isothiocyanate in Fishing Feed (GBT 13087-1991) (2) Silver Method
水产品质量安全检验手册 9.3.1.0-2005 Chapter IX Fishing Feed Inspection Section 3 Fishing Feed Routine Physical and Chemical Testing Methods 1. Determination of Fluorine in Fishing Feed--Ion Selective Electrode Method (GBT 13083-2002)

BG-BDS, Feed total nitrogen determination method

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

PH-BPS, Feed total nitrogen determination method

PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method
PTS 83-1970 Method of Test for the Determination of Nitrogen Content of Nitrate-Free Fertilizers

ES-UNE, Feed total nitrogen determination method

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-EN 17050:2018 Animal feeding stuffs. Methods of sampling and analysis - Determination of iodine in animal feed by ICP-MS
UNE-EN 17362:2021 Animal feeding stuffs: Methods of sampling and analysis - Determination of pentachlorophenol (PCP) in feed materials and compound feed by LC-MS/MS
UNE-EN 17504:2022 Animal feeding stuffs: Methods of sampling and analysis - Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS
UNE-EN 17053:2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of trace elements, heavy metals and other elements in feed by ICP-MS (multi-method)
UNE-EN 17256:2020 Animal feeding stuffs: Methods of sampling and analysis - Determination of ergot alkaloids and tropane alkaloids in feed materials and compound feeds by LC-MS/MS
UNE-EN 17270:2020 Animal feeding stuffs: Methods of sampling and analysis - Determination of theobromine in feed materials and compound feed, including cocoa derived ingredients, by liquid chromatography
UNE-EN 15742:2020 Animal feeding stuffs: Methods of sampling and analysis - Determination of OCPs by GC-ECD

TH-TISI, Feed total nitrogen determination method

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

Henan Provincial Standard of the People's Republic of China, Feed total nitrogen determination method

DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method
DB41/T 833-2013 Determination of Fluorine, Chloride and Total Phosphorus in Feeds by Ion Chromatography

Association of German Mechanical Engineers, Feed total nitrogen determination method

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

Professional Standard - Aerospace, Feed total nitrogen determination method

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

CEN - European Committee for Standardization, Feed total nitrogen determination method

PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods
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
PREN 17362-2019 Animal feeding stuffs: Methods of sampling and analysis - Determination of pentachlorophenol (PCP) in feed materials and compound feed by LC-MS/MS
PREN 15742-2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of OCPs by GC/ECD

ZA-SANS, Feed total nitrogen determination method

SANS 12902:2007 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods

NL-NEN, Feed total nitrogen determination method

NEN 3145-1966 Feeding stuffs. Methodsof analysis. Determination of crude protein
NEN 3148-1965 Methods of analysis for feeding stuffs. Determination of the fat content.

ES-AENOR, Feed total nitrogen determination method

UNE 55-595-1981

Professional Standard - Urban Construction, Feed total nitrogen determination method

CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation

IN-BIS, Feed total nitrogen determination method

American National Standards Institute （ANSI), Feed total nitrogen determination method

ANSI/ASAE S424.1-1992 Method of Determing and Expressing Particle Size of Chopped Forage Materials by Screening
ANSI/ASAE S319.4-2008 Method of Determining and Expressing Fineness of Feed Materials by Sieving

Standard Association of Australia （SAA）, Feed total nitrogen determination method

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

BR-ABNT, Feed total nitrogen determination method

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

Hubei Provincial Standard of the People's Republic of China, Feed total nitrogen determination method

DB42/T 1582-2020 Qualitative PCR detection method of bovine and sheep-derived components in feed

PT-IPQ, Feed total nitrogen determination method

NP 2026-1987

Professional Standard - Aviation, Feed total nitrogen determination method

HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group

Jiangxi Provincial Standard of the People's Republic of China, Feed total nitrogen determination method

DB36/T 1127-2019 Rapid Determination of Crude Ash, Calcium, Total Phosphorus and Sodium Chloride in Feed by Near Infrared Spectroscopy

PL-PKN, Feed total nitrogen determination method

PN-EN 17256-2020-03 P Animal feeding stuffs: Methods of sampling and analysis--Determination of ergot alkaloids and tropane alkaloids in feed materials and compound feeds by LC-MS/MS

KR-KS, Feed total nitrogen determination method

KS E ISO 334-2018 Solid mineral fuels — Determination of total sulfur — Eschka method

Professional Standard - Non-ferrous Metal, Feed total nitrogen determination method

YS/T 587.15-2023 Calcined coke for prebaked blocks— Part 15: Determination of total carbon,hydrogen and nitrogen contents
YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides