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Determination of total nitrogen in feed

Determination of total nitrogen in feed, Total:498 items.

In the international standard classification, Determination of total nitrogen in feed involves: Animal feeding stuffs, Fertilizers, Milk and milk products, Soil quality. Pedology, Fuels, Vocabularies, Organic chemicals, Edible oils and fats. Oilseeds, Lubricants, industrial oils and related products, General methods of tests and analysis for food products, Water quality, Petroleum products in general, Farming and forestry, Coals, Occupational safety. Industrial hygiene, Protection against fire, Food products in general, Plastics, Products of the chemical industry, Paint ingredients, Cereals, pulses and derived products, Paints and varnishes.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of total nitrogen in feed

GB/T 13079-1999 Determination of total arsenic in feeds
GB/T 13079-2006 Determination of total arsenic in feeds
GB/T 13079-2022 Determination of total arsenic in feeds
GB/T 32141-2015 Determination of the total volatile basic nitrogen in feed
GB/T 13092-2006 Enumeration of molds count in feeds
GB/T 13093-2006 Examination of 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 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 6437-2002 Determination of phosphorus in feed--Spectphotometry
GB/T 42491-2023 Determination of total starch content in feed by enzymatic method
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
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 6436-2002 Determination of calcium in feed
GB/T 6436-2018 Determination of calcium in feeds
GB/T 13088-2006 Determination of chromium in feeds
GB/T 13081-2006 Determination of mercury in feeds
GB/T 13081-2022 Determination of mercury in feeds
GB/T 13883-2008 Determination of selenium in feeds
GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
GB/T 17816-1999 Determination of total ascorbic acid in feeds--o-Phenylenediamine fluorometry
GB/T 6435-2014 Determination of moisture in feedstuffs
GB/T 18246-2000 Determination of amino acids in feeds
GB/T 20196-2006 Determination of salinomycin in feeds
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 13084-2006 Determination of cyanide in feed
GB 13082-1991 Determination method of cadmium in feed
GB/T 6433-2006 Determination of crude fat in feeds
GB/T 6438-2007 Animal feeding stuffs- Determination of crude ash
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 18869-2002 Determination of coliform bacteria in feeds
GB/T 14700-2002 Determination of Vitamin B1 in feeds
GB/T 14701-2002 Determination of vitamin B2 in feeds
GB/T 8381.5-2005 Detemination of kitasamycin in feedstuff
GB/T 20363-2006 Determination of phenobarbital in feed
GB/T 8381.3-2005 Detemination of lincomycin in feedstuff
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T 20806-2006 Determination of neutral detergent fiber in feedstuffs
GB/T 20806-2022 Determination of neutral detergent fiber（NDF）in feeds
GB/T 17776-2016 Determination of sulfur in feedstuff.Magnesium nitrate method
GB/T 17776-1999 Determination of sulfur in feedstuff--Magnesium nitrate method
GB/T 13084-1991 Method for determination of glycosidic hydrocyanic acid in feeds
GB/T 23873-2009 Determination of maduramicin ammonium in feeds
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 13084-1991 Determination method of cyanide in feed
GB/T 17815-1999 Determination of propionic acid, propionate in feeds
GB/T 9823-2008 Inspection of grain and oils.Determination of total nitrogen content in plant oilseeds residues
GB/T 18633-2018 Determination of potassium in feeds.Flame photometry
GB/T 18633-2002 Determination of potassium in feed flame photometric method
GB/T 13090-2006 Determination of HCH and DDT in feeds
GB/T 13090-1999 Determination of HCH and DDT in feeds
GB/T 13085-1991 Method for determination of nitrite in feeds
GB/T 17777-2009 Determination of molybdenum in feeds-Spectrophotometry
GB/T 13086-1991 Method for determination of free gossypol in feeds
GB/T 23742-2009 Animal feeding stuffs.Determination of ash insoluble in hydrochloric acid
GB/T 6439-2007 Determination of water-soluble chlorides in feeds
GB/T 17777-1999 Determination of molybenum in feedstuff--Spectrophotometry
GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
GB/T 30728-2014 Determination of nitrogen in solid biofuels
GB/T 14700-2018 Determination of thiamine in feed
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/T 17778-2005 Determination of d-biotin in premix
GB/T 13085-2005 Determination of nitrite in feeds-Method using colorimetric analysis
GB/T 27985-2011 Determination of tannin in feeds.Spectrophotometry
GB 13087-1991 Determination method of isothiocyanate in feed
GB/T 13089-1991 Method for determination of oxazolidinethione in feeds
GB/T 20194-2006 Animal feeding stuffs--Determination of starch content--Polarimetric method
GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer
GB/T 9824-2008 Determination of total ash in oilseed residues
GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
GB/T 13884-2018 Determination of cobalt in feeds.Atomic absorption spectrometry
GB/T 13080-2004 Determination of lead in feeds Method using atomic absorption spectrometry
GB/T 13884-2003 Determination of cobalt in feed--Atomic absorption spectroscopy
GB/T 23741-2009 Determination of four kinds of barbiturates in feeds
GB/T 23710-2009 Determination of betaine in feeds.Ion chromatography
GB/T 8381.9-2005 Determination of Choramphenicol in Feeds Gas Chromatography
GB/T 20805-2006 Determination of acid detergent lignin in feedstuffs
GB/T 6434-2006 Feeding stuffs.Determination of crude fiber content.Method with intermediate filtration
GB/T 3598-1983 Fertilizers--Determination of urea nitrogen content--Urease method
GB/T 21542-2008 Determination of enramycin in feeds.Microbiological method
GB/T 13083-2002 Determination of fluorine in feed--Ion selective electrode method
GB/T 8381.8-2005 Determination of Polychlorobiphenyls(PCBs)in Feeds-Gas Chromatography
GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content
GB/T 24101-2009 Limit and determination of 4-aminoazobenzene in dye products
GB/T 30647-2014 Determination of harmful elements total content of coatings
GB/T 22259-2008 Determination of oxytetracycline in feeds-High performance liquid chromatography
GB/T 23187-2008 Determination of lutein in feeds.High performance liquid chromatography

Group Standards of the People's Republic of China, Determination of total nitrogen in feed

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/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/SDFA 002.4-2023
T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
T/SDFA 002.1-2020 Fermented Feed Raw Materials Part 1 Determination of Total Acids - Acid-Base Titration
T/SDFA 019-2023 Determination of sodium saccharin in mixed feed additives
T/CFIAS 6005-2022 Determination of menbutone in feeds — High performance liquid chromatography

British Standards Institution (BSI), Determination of total nitrogen in feed

BS EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
BS ISO 15914:2004 Animal feeding stuffs - Enzymatic determination of total starch content
DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
21/30442087 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
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
DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15561:2023 Inorganic fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 ISO 16948:2015 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
BS EN ISO 15914:2004 Animal feeding stuffs - Enzymatic determination of total starch content
BS ISO 1871:2009 Food and feed products - General guidelines for determination of nitrogen by Kjeldahl 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 DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DD CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
14/30313910 DC BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
PD CEN/TS 17762:2022 Inorganic fertilizers. Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
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 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 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
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
BS ISO 22887:2020 Determination of total sulfur in fertilizers by high temperature combustion
PD CEN/TS 17761:2022 Inorganic fertilizers. Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
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

European Committee for Standardization (CEN), Determination of total nitrogen in feed

EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
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 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)
EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004)
FprCEN/TS 17762-2021 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
EN 17050:2017 Animal feeding stuffs: Methods of sampling and analysis - Determination of iodine in animal feed by ICP-MS
EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
FprCEN/TS 17761-2021 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content

CEN - European Committee for Standardization, Determination of total nitrogen in feed

PD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN ISO 13904:2005 Animal feeding stuffs Determination of tryptophan content
PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods
PD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample@ containing nitrogen as nitric@ ammoniacal@ urea and cyanamide nitrogen
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

Danish Standards Foundation, Determination of total nitrogen in feed

DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
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 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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/EN ISO 13903:2005 Animal feeding stuffs – Determination of amino acids content
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

Lithuanian Standards Office , Determination of total nitrogen in feed

LST EN 15478-2009 Fertilizers - Determination of total nitrogen in urea
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 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
LST EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004)
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 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
LST EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)
LST EN 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)

German Institute for Standardization, Determination of total nitrogen in feed

DIN EN 15478:2009 Fertilizers - Determination of total nitrogen in urea; English version of DIN EN 15478:2009-04
DIN EN 15478:2009-04 Fertilizers - Determination of total nitrogen in urea; German version EN 15478:2009
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 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
DIN EN 16006:2011-10 Animal feeding stuffs - Determination of the sum of fumonisin B<(Index)1> and B<(Index)2> in compound animal feed with immunoaffinity clean-up and RP-HPLC with fluorescence detection after pre- or post-column derivatisation; German version ...
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
DIN EN 15560:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version EN 15560:2009 / Note: To be replaced by DIN EN 15560 (2021-12).
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 EN 15560:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version EN 15560:2023
DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
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 16948:2015-09 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015); German version EN ISO 16948:2015
DIN EN 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
DIN EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004); German version EN 15914:2005
DIN EN 15561:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2023
DIN EN 15560:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15560 (2009-06).
DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
DIN 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; English version of DIN EN 15604:2009-06
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 CEN/TS 17762:2022-07 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17762:2022
DIN EN 17050:2017 Animal feeding stuffs - Methods of sampling and analysis - Determination of iodine in animal feed by ICP-MS
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 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 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); English version of DIN EN ISO 16634-1:
DIN EN ISO 16634-1:2009-07 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); German version EN ISO 16634-1:2008
DIN CEN/TS 17761:2022-07 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17761:2022

AENOR, Determination of total nitrogen in feed

UNE-EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
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 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNE 64027:1970 MIXED FEEDS AND RAW MATERIALS. DETERMINATION OF EXTRACTIVE MATTERS NITROGEN FREE.
UNE 64021:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF GROSS FAT OF ETHER EXTRACT.
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 64018:1971 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF THE INSOLUBLE RESIDUE IN CHLORHYDRIC ACID.

Association Francaise de Normalisation, Determination of total nitrogen in feed

NF EN 15478:2009 Engrais - Détermination de l'azote total dans l'urée
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF EN 15561:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique nitratée
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 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
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 U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
NF U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
NF V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
NF V18-120:1997 Animal feeding stuffs. Determination of nitrogen content. Combustion method (DUMAS).
NF X34-117*NF EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
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 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 EN ISO 16948:2015 Biocombustibles solides - Détermination de la teneur totale en carbone, hydrogène et azote
NF V18-121*NF EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content.
NF V18-110*NF ISO 6866:2012 Animal feeding stuffs - Determination of free and total gossypol.
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 U42-149*NF EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
NF V18-110:1986 Animal feeding stuffs. Determination of free and total gossypol.
XP U42-794*XP CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
NF V18-404*NF EN 17050:2017 Animal feeding stuffs : Methods of sampling and analysis - Determination of iodine in animal feed by ICP-MS
XP CEN/TS 17762:2022 Engrais inorganiques - Détermination de la teneur en cuivre dans les engrais à base de nitrate d'ammonium et à forte teneur en azote
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 V03-767-1*NF EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1 : oilseeds and animal feeding stuffs.
NF U42-887*NF ISO 22887:2021 Determination of total sulfur in fertilizers by high temperature combustion
XP U42-793*XP CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
XP CEN/TS 17761:2022 Engrais inorganiques - Détermination de la teneur en chlorure des engrais à base de nitrate d'ammonium à forte teneur en azote

国家市场监督管理总局、中国国家标准化管理委员会, Determination of total nitrogen in feed

GB/T 6432-2018 Determination of crude protein in feeds—Kjeldahl method
GB/T 6437-2018 Determination of phosphorus in feeds—Spectrophotometry
GB/T 13082-2021 Determination of cadmium in feeds
GB/T 15400-2018 Determination of tryptophan in feeds
GB/T 18246-2019 Determination of amino acids in feeds
GB/T 13091-2018 Determination of Salmonella in feeds
GB/T 14701-2019 Determination of vitamin B2 in feeds
GB/T 36859-2018 Determination of urea content in feed
GB/T 18869-2019 Determination of coliform in feeds
GB/T 19423-2020 Determination of nicarbazin in feeds
GB/T 17815-2018 Determination of propionic acid，propionate in feeds
GB/T 13086-2020 Method for determination of free gossypol in feeds
GB/T 13085-2018 Determination of nitrite in feeds—Colorimetry method
GB/T 13089-2020 Method for determination of oxazolidinethione in feeds
GB/T 13087-2020 Determination of isothiocyanates in feeds
GB/T 13080-2018 Determination of lead in feeds—Atomic absorption spectrometry
GB/T 13083-2018 Determination of fluorine in feeds—Ion selective electrode method
GB/T 20194-2018 Determination of starch in feeds—Polarimetry
GB/T 24101-2018 Limit and determination of 4-aminoazobenzene in dye products

Professional Standard - Agriculture, Determination of total nitrogen in feed

GB/T 13093-2023 Determination of the total number of bacteria in feed
GB 8572-1988 Determination of total nitrogen content in compound fertilizer
NY/T 2542-2014 Fertilizers.Determination of total nitrogen content
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
GB 13081-1991 Determination of Mercury in Feed
GB/T 13883-2023 Determination of Selenium in Feed
GB/T 13882-2023 Determination of iodine in feed
NY/T 1977-2010 Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content
GB 13080-1991 Determination method of lead in feed
GB 13088-1991 Determination method of chromium 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)
NY/T 1756-2009 Determination of malachite green in feeds
NY/T 1372-2007 Determination of Melamine in Feeds
NY/T 1970-2010 Determination of fumonsins in feeds
NY/T 1756-2012 Determination of malachite green in feeds
农业农村部公告第627号-1-2022 Determination of Cyromazine in Feed
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
GB 8381-1987 Determination of Aflatoxin B1 in Feed
NY/T 1757-2009 Determination of benzodiazepines in feeds High performance liquid chromatography tandem mass spectrometry
NY 438-2001 Determination of clenbuterol hydrochloride in feed
NY/T 1459-2007 Determination of acid detergentfiber in feedstuff(ADF)
GB 13085-1991 Determination method of nitrite in feed
GB 13086-1991 Determination method of free gossypol in feed
GB/T 6439-2023 Determination of water-soluble chloride in feed
NY/T 1819-2009 Determination of choline in feeds Ion chromatography
GB 13089-1991 Determination method of oxazolidinethione in feed
GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
NY/T 1619-2008 Determination of betaine in feeds ion chromatography
NY/T 1032-2006 Determination of hydrocortisone in feeds.Gas chromatography method
NY/T 1345-2007 Determination of the Inositol in Additive Premix
GB 3598-1983 Determination of Urea Nitrogen Content in Fertilizers Urease Method
水产品质量安全检验手册 9.4.2.0-2005 Chapter 9 Inspection of Fish Feed Section 4 Inspection of Toxins in Fish Feed 2. Determination of Aflatoxin B1 in Fish Feed (GBT 8381-1987)
NY/T 1258-2007 Determination of sudandyes in feed High-performance liquid chromatography
水产品质量安全检验手册 9.4.3.0-2005 Chapter 9 Inspection of Fishing Feed Section 4 Testing of Toxins in Fishing Feed 3. Determination of T-2 Toxin in Fishing Feed - ELISA
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)
NY/T 2550-2014 Determination of aflatoxin B<下标1> in feed.Colloid gold method
NY/T 918-2004 Determination of estradiol in feed High-pressure liquid chromatography
NY/T 934-2005 Determination of diazepam in feeds High-performance liquid chromatography

RU-GOST R, Determination of total nitrogen in feed

GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
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 24596.3-1981 Feed phosphates. Methods for determination of nitrogen
GOST 24596.3-2015 Feed phosphates. Method for determination of nitrogen
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST R 50466-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
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 R 51422-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of urea fraction of total mass
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST R 51425-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of zearalenone fraction of total mass
GOST R 51418-1999 Feedstuffs, compound feeds, feed raw materials. Methods for determination of ash fraction of total mass insoluble in hydrochloric acid
GOST R 51424-1999 Feeds, mixed feeds and raw material. Determination of free and total gossypol mass fraction
GOST 30181.1-1994 Mineral fertilizers. Method for determination of total overall mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, with deammoniation)
GOST 30181.2-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in single - component fertlizers (in ammonium and amide forms, no deammoniation)
GOST 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 EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
GOST 32045-2012 Feeds, compound feeds, material for compound feeds. Methods for determination of ash content, insoluble in hydrochloric acid
GOST 28902-1991 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method
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 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
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 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 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 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

Anhui Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB34/T 1035-2009 Determination of total arsenic and inorganic arsenic in feed
DB34/T 814-2008 Determination of Selenium in Feed by Atomic Fluorescence Method
DB34/T 3662-2020 Determination of Antimony in Feed by Atomic Fluorescence Spectrometry
DB34/T 1358-2011 Determination of flavomycin in feed－High efficiency liquid chromatographymethod
DB34/T 1361-2011 Determination of chloramphenicol in feed－Gas chromatography mass spectrometry method
DB34/T 1363-2011 Determination of Quinocetone in feed High performance liquid chromatography

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

AOAC Official Method 2001.14 Determination of total nitrogen in cheese
AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

Jilin Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB22/T 1874-2013 Determination of Volatile Basic Nitrogen in Feedstuffs of Animal Origin
DB22/T 1995-2014 Determination of feed grade choline chloride content Kjeldahl method
DB22/T 185-2018 Determination of total mercury in biological materials
DB22/T 184-2018 Determination of total arsenic in biological materials
DB22/T 184-2011 Determination of total arsenic in biological materials
DB22/T 185-2011 Determination of total mercury in biological materials
DB22/T 1818-2013 Determination of urea-formaldehyde polymer in protein feed

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

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

RO-ASRO, Determination of total nitrogen in feed

STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
STAS 9597/9-1979 COMBINED FODDERS Determination of easily hydrolysated nitrogen
STAS 9597/18-1986 COMBINED FODDERS A vitamin determination of zooforts
STAS 12168-1984 ANIMAL FEEDING STUFFS Digestibility determination in vitro

Professional Standard - Commodity Inspection, Determination of total nitrogen in feed

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
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 0535-2016 Determination of gossypol in feed for import and export

Inner Mongolia Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB15/T 1236-2017 Determination of volatile basic nitrogen in feedstuffs of animal origin by automatic Kjeldahl method
DB15/T 1080-2016 Determination of Ammonium Salt in Feed

Indonesia Standards, Determination of total nitrogen in feed

SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 06-6323-2000 Determination of total nitrogen content in peat

ES-AENOR, Determination of total nitrogen in feed

YU-JUS, Determination of total nitrogen in feed

JUS E.N8.001-2001 Animal feeding stuffs-Determination of nitrogen solubitity index (NSI)
JUS E.Z8.016-1993 Soups,broaths,sauces and seasonings - Determination of total nitrogen content
JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?

CZ-CSN, Determination of total nitrogen in feed

CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals
CSN 46 7092-24-1998 Testing methods for feeding stuffs - Part 24: Determination of the non-nitrogen extract substances
CSN 46 7092-36-1998 Testing methods for feeding stuffs - Part 36: Determination of crumbled scrap in granuled feeding stuffs
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 7011-1974 Methods of determination o? harmful subtances in fodders
CSN 46 7092-26-1998 Testing methods for feeding stuffs - Part 26: Determination of total carbonate 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 7092-32-1998 Testing methods for feeding stuffs - Part 32: Determination of the adipose particles size in milk feeding mixtures

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

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

American Society for Testing and Materials (ASTM), Determination of total nitrogen in feed

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 UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
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 D3228-08(2014) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils 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

TR-TSE, Determination of total nitrogen in feed

TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE

PL-PKN, Determination of total nitrogen in feed

PN R64756-1992 Fodders. Determination of vitamins A and E in feed premixes
PN R64822-1991 Feedstuffs. Determination of virginiamycin in preparations, premixes, concentrates and mixed feeds. Microbiological method
PN Z04092-05-1990 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen oxide, dioxide and total nitrogen oxides in waste gases (emission)

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

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 5984:2002 Animal feeding stuffs - Determination of crude ash
ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
ISO 15914:2004 Animal feeding stuffs - Enzymatic determination of total starch content
ISO 6866:1985 Animal feeding stuffs; Determination of free and total gossypol
ISO 5983:1979 Animal feeding stuffs; Determination of nitrogen content and calculation of crude protein content
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 6493:2000 Animal feeding stuffs - Determination of starch content - Polarimetric method
ISO 15604:2016 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
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 25761:2014 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
ISO 22887:2020 Determination of total sulfur in fertilizers by high temperature combustion

Korean Agency for Technology and Standards (KATS), Determination of total nitrogen in feed

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 16948:2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant

农业农村部, Determination of total nitrogen in feed

NY/T 3478-2019 Determination of urea in feed
NY/T 3321-2018 Determination of L-carnitine in feed
NY/T 919-2020 Determination of benzo(a)pyrene in feed
NY/T 3801-2020 Determination of acid-soluble protein in feed ingredients
NY/T 914-2022 Determination of hydrocortisone in feed
NY/T 4125-2022 Determination of gelatinization degree of starch in feed
NY/T 1459-2022 Determination of acid detergent fiber in feed
NY/T 3879-2021 Determination of 25-hydroxyvitamin D3 in feed
NY/T 3655-2020 Determination of calcium N-hydroxymethylmethionine in feed
NY/T 3001-2016 Determination of amino acids in feed by capillary electrophoresis method
NY/T 2895-2016 Determination of folic acid in feed by high performance liquid chromatography

Jiangsu Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB32/T 2583-2013 Determination of Feed Bacillus in Feed

BG-BDS, Determination of total nitrogen in feed

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

VN-TCVN, Determination of total nitrogen in feed

TCVN 1545-1993 Animal mixed feeding stuffs.Method for determination of nitrogen-free extract
TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant

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

DB13/T 1098-2009 Determination of protein in feed
DB13/T 1384.3-2011 Determination of Streptomycin in Feed
DB13/T 1384.4-2011 Determination of Neomycin in Feed
DB13/T 1384.11-2011 Determination of Jialisu Yellow in Feed
DB13/T 1384.5-2011 Determination of Gentamicin in Feed
DB13/T 1384.9-2011 Determination of Ivermectin in Feed
DB13/T 1384.6-2011 Determination of Tylosin in Feed
DB13/T 1384.10-2011 Determination of 20 kinds of sulfa drugs in feed
DB13/T 1384.2-2011 Determination of oxytetracycline, tetracycline and chlortetracycline in feed
DB13/T 1384.1-2011 Determination of four kinds of β-lactam drugs in feed

Agricultural Standard of the People's Republic of China, Determination of total nitrogen in feed

农业部2086号公告-7-2014 Determination of spectinomycin in feeds
农业部1068号公告-7-2008 Determination of strychnine in feeds.Gas chromatography-mass spectrometry method
农业部2349号公告-3-2015 Determination of Baclofen in feeds.High performance liquid chromatography
农业部2224号公告-2-2015 Determination of ethinylestradiol in feeds.High performance liquid chromatography
农业部1068号公告-4-2008 Determination of clomiphene in feeds.High-performance liquid chromatography

其他未分类, Determination of total nitrogen in feed

BP 028-2002 Determination of diethylstilbestrol in feed

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

BS EN ISO 5983-1:2005(2009) Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1 : Kjeldahl method

ES-UNE, Determination of total nitrogen in feed

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 ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)
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-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.)

Zhejiang Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB33/T 539-2005 Determination of Ractopamine in Feed

KR-KS, Determination of total nitrogen in feed

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

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Determination of total nitrogen in feed

GB/T 34271-2017 Determination of saponification value of oils in feeds

BE-NBN, Determination of total nitrogen in feed

NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method

TH-TISI, Determination of total nitrogen in feed

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

GOSTR, Determination of total nitrogen in feed

GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

农业部, Determination of total nitrogen in feed

NY/T 438-2001 Determination of Clenbuterol Hydrochloride in Feed

Sichuan Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB51/T 915-2009 Determination of total mercury in compound fertilizer
DB51/T 3012-2023 Determination of Mannan Oligosaccharides in Feed Additives

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

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

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

DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method
DB37/T 1678-2010 Rapid Determination of Melamine in Feed
DB37/T 3372-2018 Determination of Neutral Detergent Fiber Content in Feed - Polyester Mesh Bag Method

Hunan Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB43/T 1065-2015 Determination of amino acid in feed by near infrared method

ZA-SANS, Determination of total nitrogen in feed

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

Jiangxi Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB36/T 1127-2019 Rapid Determination of Crude Ash, Calcium, Total Phosphorus and Sodium Chloride in Feed by Near Infrared Spectroscopy
DB36/T 483-2005 Determination of Selenium in Feedstuffs by Hydride Atomic Fluorescence Method

IN-BIS, Determination of total nitrogen in feed

IS 7219-1973

Guangdong Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB44/T 1397-2014 Determination of Lutein in Feed Spectrophotometry

NO-SN, Determination of total nitrogen in feed

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

Shanghai Provincial Standard of the People's Republic of China, Determination of total nitrogen in feed

DB31/T 822-2014 Determination of Gossypol in Feed - High Performance Liquid Chromatography

UNKNOWN, Determination of total nitrogen in feed

农业农村部公告第358号-3-2020