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protein content and peptide content

protein content and peptide content, Total:497 items.

In the international standard classification, protein content and peptide content involves: Milk and milk products, Cereals, pulses and derived products, Textile fibres, Processes in the food industry, Vocabularies, Food products in general, Water quality, Fruits. Vegetables, Animal feeding stuffs, Tobacco, tobacco products and related equipment, Beverages, Wood, sawlogs and sawn timber, Adhesives, Meat, meat products and other animal produce, Medical equipment, General methods of tests and analysis for food products, Farming and forestry, Edible oils and fats. Oilseeds, Biology. Botany. Zoology, Products of the textile industry, Protection against fire, Leather technology, Plastics, Hospital equipment, Quality, Waxes, bituminous materials and other petroleum products, Products of the chemical industry, Processes of the textile industry, Soil quality. Pedology, Sugar. Sugar products. Starch, Non-metalliferous minerals.

British Standards Institution (BSI), protein content and peptide content

BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
BS EN ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
BS EN ISO 20483:2013 Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method
BS ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
BS EN ISO 21415-1:2007 Wheat and wheat flour - Gluten content - Determination of wet gluten by a manual method
BS ISO 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (reference method)
BS EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by a rapid drying method
BS EN ISO 21415-3:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by an oven drying method
BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS ISO 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
BS EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
BS ISO 17997-2:2004 Milk. Determination of casein-nitrogen content - Direct method
BS EN ISO 20418-1:2018 Textiles. Qualitative and quantitative proteomic analysis of some animal hair fibres - Peptide detection using LC-ESI-MS with protein reduction
20/30376375 DC BS ISO 23319. Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method
BS EN ISO 23319:2022 Tracked Changes. Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method
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 ISO 20418-3:2020 Textiles. Qualitative and quantitative proteomic analysis of some animal hair fibres - Peptide detection using LC-MS without protein reduction
BS ISO 17997-1:2005 Milk - Determination of casein-nitrogen content - Indirect method (Reference method)
BS ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
BS ISO 9622:2013 Milk and liquid milk products. Guidelines for the application of mid-infrared spectrometry
BS ISO 17997-1:2004 Milk. Determination of casein-nitrogen content - Indirect method (Reference method)
BS 6248-7:1982 Caseins and caseinates - Method for determination of protein content (reference method)
BS EN ISO 8968-1:2014 Milk and milk products. Determination of nitrogen content. Kjeldahl principle and crude protein calculation
DD ISO/TS 17837:2008 Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
BS DD CEN ISO/TS 16634-2:2010 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Cereals, pulses and milled cereal products
DD ISO/TS 27106:2009 Cheese. Determination of nisin A content by LC-MS and LC-MS-MS
19/30354979 DC BS EN ISO 20418-3. Textiles. Qualitative and quantitative proteomic analysis of some animal hair fibres. Part 3. Peptide detection using LC-MS without protein reduction
BS EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)
BS ISO 20418-2:2018 Textiles. Qualitative and quantitative proteomic analysis of some animal hair fibres - Peptide detection using MALDI-TOF MS
BS 4317-16:1981 Methods of test for cereals and pulses - Determination of dry gluten in wheat flour
BS ISO 16620-5:2017 Plastics. Biobased content. Declaration of biobased carbon content, biobased synthetic polymer content and biobased mass content
BS EN 827:2005 Adhesives - Determination of conventional solids content and constant mass solids content
BS EN ISO 16634-2:2016 Tracked Changes. Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Cereals, pulses and milled cereal products
BS ISO 13875:2005 Liquid milk - Determination of acid-soluble -lactoglobulin content - Reverse-phase HPLC method

International Organization for Standardization (ISO), protein content and peptide content

ISO 8968-4:2016 | IDF 20-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
ISO 5983:1979 Animal feeding stuffs; Determination of nitrogen content and calculation of crude protein content
ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
ISO 8968-5:2001|IDF 20-5:2001 Determination of milk nitrogen content Part 5: Determination of protein nitrogen content
ISO 21415-2:2006 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
ISO 8968-4:2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
ISO 8968-5:2001 | IDF 20-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content
ISO 8968-4:2001|IDF 20-4:2001 Determination of milk nitrogen content Part 4: Determination of non-protein nitrogen content
ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
ISO 5550:2006|IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
ISO 5550:1978 Caseins and caseinates; Determination of water content (Reference method)
ISO 5739:1983 Caseins and caseinates; Determination of scorched particles content
ISO 20483:2013 Cereals and pulses.Determination of the nitrogen content and calculation of the crude protein content.Kjeldahl method
ISO 5543:2004 | IDF 127:2004 Caseins and caseinates — Determination of fat content — Gravimetric method (Reference method)
ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric method
ISO 5548:2004|IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric method
ISO 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric method
ISO 5550:2006 | IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
ISO 5548:2004 | IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric method
ISO 5739:2003 | IDF 107:2003 Caseins and caseinates — Determination of contents of scorched particles and of extraneous matter
ISO 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method)
ISO 5543:1986 Caseins and caseinates; Determination of fat content; Gravimetric method (Reference method)
ISO 5543:2004|IDF 127:2004 Gravimetric method for determination of fat content in casein and caseinate (reference method)
ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
ISO 23319:2022 | IDF 250 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 23319:2022 | IDF 250:2022 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 8968-4:2001 | IDF 20-4:2001 Milk — Determination of nitrogen content — Part 4: Determination of non-protein-nitrogen content
ISO 8968-4:2001/Cor 1:2011 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content; Technical Corrigendum 1
ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method
ISO 5542:1984 Milk; Determination of protein content; Amido black dye-binding method (Routine method)
ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 21415-2:2015 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten and gluten index by mechanical means
ISO/TS 17837:2008 Processed cheese products - Determination of nitrogen content and crude protein calculation - Kjeldahl method
ISO/TS 17837:2008|IDF/RM 25:2008 Determination of nitrogen content and calculation of crude protein content in milk and milk products Kjeldahl method
ISO 21415-1:2006 Wheat and wheat flour - Gluten content - Part 1: Determination of wet gluten by a manual method
ISO 5983-1:2005/cor 1:2008 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method; Technical Corrigendum 1
ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction
ISO 9622:1999 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
ISO 21415-4:2006 Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method
ISO 21415-3:2006 Wheat and wheat flour - Gluten content - Part 3: Determination of dry gluten from wet gluten by an oven drying method
ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
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 20418-3:2020 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 3: Peptide detection using LC-MS without protein reduction
ISO 17997-2:2004 Milk - Determination of casein-nitrogen content - Part 2: Direct method
ISO 17997-2:2004 | IDF 29-2:2004 Milk — Determination of casein-nitrogen content — Part 2: Direct method
ISO 17997-2:2004|IDF 029-2:2004 Bovine Casein - Determination of Nitrogen Content Part 2: Direct Method
ISO/TS 27106:2009 | IDF/RM 217:2009 Cheese — Determination of nisin A content by LC-MS and LC-MS-MS
ISO/TS 17837:2008 | IDF/RM 25: 2008 Processed cheese products — Determination of nitrogen content and crude protein calculation — Kjeldahl method
ISO 17997-1:2004 Milk - Determination of casein-nitrogen content - Part 1: Indirect method (Reference method)
ISO 17997-1:2004 | IDF 29-1:2004 Milk — Determination of casein-nitrogen content — Part 1: Indirect method (Reference method)
ISO 17997-1:2004|IDF 029-1:2004 Bovine casein - Determination of nitrogen content Part 1: Indirect method (reference method)
ISO 5397:1984 Leather; Determination of nitrogen content and "hide substance"; Titrimetric method
ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
ISO 8968-1:2014 | IDF 20-1:2014 Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation
ISO 16620-5:2017 Plastics - Biobased content - Part 5: Declaration of biobased carbon content, biobased synthetic polymer content and biobased mass content
ISO 20418-2:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 2: Peptide detection using MALDI-TOF MS
ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
ISO 13875:2005 | IDF 178:2005 Liquid milk — Determination of acid-soluble beta-lactoglobulin content — Reverse-phase HPLC method
ISO/TS 27106:2009 Cheese - Determination of nisin A content by LC-MS and LC-MS-MS
ISO/TS 27106:2009|IDF/RM 217:2009 Determination of nisin A content in cheese using LC-MS and LC-MS-MS
ISO 17129:2006 Milk powder - Determination of soy and pea proteins using capillary electrophoresis in the presence of sodium dodecyl sulfate (SDS-CE) - Screening method
ISO 17129:2006|IDF 206:2006 Screening method for determination of protein content of soybeans and peas in milk powder using capillary electrophoresis in sodium dodecyl sulfate (SDS-CE)
ISO 13875:2005 Liquid milk - Determination of acid-soluble -lactoglobulin content - Reverse-phase HPLC method

RO-ASRO, protein content and peptide content

STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content
STAS 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion
STAS SR 4895-6-1997 Tobacco and tobacco prodocts Determination of total proteins content (albumines)
STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
STAS 6514-1975 FISH AND FISH PRODUCTS Determination of total proteic matters
STAS 9597/3-1974 COMBINED FORAGES Determination of rough protein content
SR ISO 5549:1996 Caseins and caseinates - Determination of protein content (Reference method)
STAS 5781/4-1980 DOLOMITICAL REFRACTORY PRODUCTS Determination of calcium oxide content
STAS 5781/5-1980 DOLOMITICAL REFRAGTORY PRODUCTS Deterznination of manganese oxide content
STAS 6267/1-1975 BLEACHED PULPS WITH LIGNIN CONTENT UNDER 1,5% Determination of lignin content
STAS 5951-1983 VEGETABLES AND FrUJIT PHODLCTS Dctcrmination of net mass, total vegetable or fruit content and of single component content as against net mass
STAS 5781/2-1987 DOLOMITICAL REFRACTOHY PRODUCTS Detcrmination of loss of ignition and silicon dioxide content

German Institute for Standardization, protein content and peptide content

DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of the non-protein-nitrogen content (ISO 8968-4:2001); German version EN ISO 8968-4:2001
DIN EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001); German version EN ISO 8968-5:2001
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN EN ISO 21415-2:2008 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means (ISO 21415-2:2006); English version of DIN EN ISO 21415-2:2008-04
DIN EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2006); German version EN ISO 20483:2006
DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
DIN 10454:1983 Determination of protein content of caseins and caseinates; reference method
DIN 10472:1996-06 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
DIN EN ISO 23319:2023-01 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022); German version EN ISO 23319:2022
DIN ISO 5550:2020 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
DIN EN ISO 20483:2014-03 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
DIN 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN EN ISO 23319:2023 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
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 21415-4:2007 Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method (ISO 21415-4:2006); German version EN ISO 21415-4:2007
DIN EN ISO 20418-1:2018-08 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction (ISO 20418-1:2018); German version EN ISO 20418-1:2018
DIN EN ISO 20418-3:2020-11 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020); German version EN ISO 20418-3:2020
DIN ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments (ISO 9622:1999)
DIN EN ISO 5983-2:2009-10 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009); German version EN ISO 5983-2:2009
DIN EN 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 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 ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
DIN EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009); English version of DIN EN ISO 5983-2:2009-10
DIN EN ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method (ISO 5983-2:2005); German version EN ISO 5983-2:2005
DIN EN ISO 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 EN 827:2006-03 Adhesives - Determination of conventional solids content and constant mass solids content; German version EN 827:2005
DIN EN ISO 8968-1:2014-06 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014
DIN EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction (ISO 20418-1:2018); German version EN ISO 20418-1:2018
DIN EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020); German version EN ISO 20418-3:2020

未注明发布机构, protein content and peptide content

BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 5983-1:2005(2009) Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1 : Kjeldahl method
BS EN 827:2005(2007) Adhesives — Determination of conventional solids content and constant mass solids content

ES-UNE, protein content and peptide content

UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
UNE-EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
UNE-EN ISO 5983-1:2007/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)
UNE-EN ISO 20418-1:2019 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction (ISO 20418-1:2018)
UNE-EN ISO 20418-3:2021 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
UNE-EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO 16634-2:2016)

Standard Association of Australia （SAA）, protein content and peptide content

AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
AS ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation

Association Francaise de Normalisation, protein content and peptide content

NF EN ISO 8968-4:2016 Lait et produits laitiers - Détermination de la teneur en azote - Partie 4 : détermination de la teneur en azote protéique et non protéique et calcul de la teneur en protéines vraies (Méthode de référence)
NF V04-221-4*NF EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
NF V03-750*NF EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
NF V04-382:1988 Caseins and caseinates. Determination of fat content. Gravimetric method (reference method).
NF ISO 5548:2008 Caséines et caséinates - Détermination de la teneur en lactose - Méthode photométrique
NF V03-750:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method.
NF V04-382:2008 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method).
NF V04-407:2002 Meat, meat product and fishery products - Determination of nitrogen content and calculation of the protein content - Kjeldahl method.
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 ISO 5550:2007 Caséines et caséinates - Détermination de la teneur en humidité (méthode de référence)
NF EN ISO 23319:2022 Fromages et fromages fondus, caséines et caséinates - Détermination de la teneur en matière grasse - Méthode gravimétrique
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 V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
NF V04-558*NF EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method
NF EN ISO 20483:2014 Céréales et légumineuses - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Méthode de Kjeldahl
NF EN ISO 20418-1:2018 Textiles - Analyse protéomique qualitative et quantitative de certaines fibres animales - Partie 1 : détection des peptides par LC ESI MS avec réduction protéique
NF EN 15948:2020 Céréales - Détermination de la teneur en eau et en protéines - Méthode utilisant la spectroscopie dans le proche infrarouge sur des grains entiers
NF V04-216:1985 Milk. Determination of protein content. Amido black dye-binding method (routine method).
NF EN ISO 20418-3:2020 Textiles - Analyse protéomique qualitative et quantitative de certaines fibres animales - Partie 3 : détection des peptides par LC-MS sans réduction protéique
NF V04-383*NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content - (Reference method).
NF V04-383:1985 Caseins and caseinates. Determination of water content (reference method).
NF V04-216:2011 Milk - Determination of protein content - Amido black dye-binding method (routine method).
NF EN ISO 14244:2016 Tourteaux de graines oléagineuses - Détermination de la teneur en protéines solubles en solution d'hydroxyde de potassium
NF EN ISO 8968-1:2014 Lait et produits laitiers - Détermination de la teneur en azote - Partie 1 : méthode Kjeldahl et calcul de la teneur en protéines brutes
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 V04-388:1985 Caseins and caseinates. Determination of lactose content. Photometric method.
NF G06-007-3*NF EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3 : peptide detection using LC-MS without protein reduction
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
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 G06-007-1*NF EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1 : peptide detection using LC-ESI-MS with protein reduction
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 V18-100-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2 : block digestion/steam distillation method.
NF ISO 20418-2:2019 Textiles - Analyse protéomique qualitative et quantitative de certaines fibres animales - Partie 2 : détection des peptides par MALDI-TOF MS
NF V18-109*NF ISO 6496:2011 Animal feeding stuffs - Determination of moisture and other volatile matter content.
NF EN 12880:2000 Caractérisation des boues - Détermination de la teneur en matière sèche et de la teneur en eau
NF V03-767-2*NF EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2 : cereals, pulses and milled cereal products
NF G06-007-2*NF ISO 20418-2:2019 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 2: peptide detection using MALDI-TOF MS
NF EN ISO 17932:2011 Huile de palme - Détermination de la détérioration de l'indice de blanchiment (DOBI) et de la teneur en carotène
NF V04-363:1985 Dried milk - Determination of the quantity of instant powder milk in animal feeding stuffs - Method of enzymatic coagulation of paracasein
NF V04-221-1*NF EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1 : Kjeldahl principle and crude protein calculation
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 X31-102*NF ISO 11465:1994 Soil quality. Determination of dry matter and water content on a mass basis. Gravimetric method.

CZ-CSN, protein content and peptide content

CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 57 0105 Cast.5-1984 Powdered and condensed milk products. Testing methods. Determination of protein content
CSN 56 0512-12-1995 Methods of milled produets analysis - Part 12: Determination of protein content
CSN 46 1011 Cast.18-1988 Testing of cereals, legumes and oil-bea-ring crops. Cereal testing. Crude protein determination.
CSN 57 0153-1986 Testing methods for meat products and sterilized food in preserves. Determination of protein content according to Kjeldahl
CSN 46 7092-27-1998 Testing methods for feeding stuffs - Part 27: Determination of the protein content
CSN 57 0111 Cast.4-1979 Testing methods for asein. Determination f fat content
CSN 46 7092-4-1998 Testing methods for feeding stuffs - Part 4: Determination of crude protein content

Professional Standard - Agriculture, protein content and peptide content

220药典三部-2020 Content Determination Method 0731 Protein Content Determination Method
201药典三部-2015 Content Determination Method 0731 General Principles of Protein Content Determination Method 50
2330药典二部-2010 Appendix VII M Determination of protein content
245药典三部-2020 Content Determination Method 3124 Human Granulocyte Stimulating Factor Protein Content Determination Method
92药典四部-2020 0700 Other Determination Methods 0731 Determination of Protein Content
111药典四部-2015 0700 Other Determination Methods 0731 Determination of Protein Content
218药典四部-2015 3100 Content Determination 3124 Recombinant Human Granulocyte Stimulating Factor Protein Content Determination
206药典四部-2020 3100 Content Determination 3124 Recombinant Human Granulocyte Stimulating Factor Protein Content Determination
NY/T 1205-2006 Method for determination of water solubale protein in soybean
226药典三部-2015 Content Assay 3124 Recombinant Human Granulocyte Stimulating Factor Protein Assay General Rules 62
651药典第一增补本-2010 Part Two Revised Appendix Appendix VII M Determination of Protein Content
244药典三部-2020 Content Determination Method 3123 Determination of Glycine Content in Human Immunoglobulin
217药典四部-2015 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin
205药典四部-2020 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin
NY/T 2007-2011 Determination of the crude protein content in cereal and pules seeds by combustion according to the dumas principle
242药典三部-2020 Content Determination Method 3121 Determination of Human Albumin Polymer
225药典三部-2015 Content Determination Method 3123 General Rules for Determination of Glycine Content in Human Immunoglobulin 62
215药典四部-2015 3100 Content Determination 3121 Determination of Human Albumin Polymer
203药典四部-2020 3100 Content Determination 3121 Determination of Human Albumin Polymer
194药典三部-2010 Appendix VI VIU Determination of Recombinant Human Granulocyte Stimulating Factor Protein Content
223药典三部-2015 Content Determination Method 3121 General Principles of Human Albumin Polymer Determination Method 61
192药典三部-2010 Appendix VI VIS Determination of Glycine Content in Human Immunoglobulin
246药典三部-2020 Content Determination Method 3125 Histamine Determination of Free Phosphate Histamine in Human Immunoglobulin
219药典四部-2015 3100 Content Determination 3125 Histamine Free Phosphate Histamine Determination in Human Immunoglobulin
207药典四部-2020 3100 Content Determination 3125 Histamine Free Phosphate Histamine Determination in Human Immunoglobulin
243药典三部-2020 Content Determination Method 3122 Human Immunoglobulin Products IgG Monomer plus Dimer Determination Method
661药典第一增补本-2010 Three revised appendices Appendix VI s Determination of glycine content in human immunoglobulin
216药典四部-2015 3100 Content Determination Method 3122 Human Immunoglobulin Products IgG Monomer plus Dimer Determination Method
204药典四部-2020 3100 Content Determination Method 3122 Human Immunoglobulin Products IgG Monomer plus Dimer Determination Method
227药典三部-2015 Content Determination Method 3125 Histamine General Rules for Determination of Free Histamine Phosphate in Human Immunoglobulin 63

Korean Agency for Technology and Standards (KATS), protein content and peptide content

KS H ISO 5549:2006 Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549-2006(2016) Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H 1204-2012 Testing method for crude proteins content
KS H 1204-2001 Testing method for crude proteins content
KS H 1204-2021 Testing method for crude proteins content
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H ISO 5739-2006(2016) Caseins and caseinates－Determination of scorched particles content
KS H ISO 5739:2021 Caseins and caseinates — Determination of scorched particles content
KS H ISO 5550:2007 Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5543-2006(2016) Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS H ISO 5548:2006 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5550-2007(2012) Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5548:2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5543:2006 Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS H ISO 5543:2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)
KS H ISO 5542:2006 Milk－Determination of protein content－Amido black dye-binding method(Rountine method)
KS H ISO 5542:2021 Milk — Determination of protein content — Amido black dye-binding method(Rountine method)
KS H ISO 5542-2006(2016) Milk－Determination of protein content－Amido black dye-binding method(Rountine method)
KS K ISO 20418-1:2022 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 1: Peptide detection using LC-ESI-MS with protein reduction
KS H ISO 9622:2006 Whole milk－Determination of milkfat, protein and lactose content－Guidance on the operation of mid-infrared instruments
KS H ISO 8195:2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195:2006 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 9622:2021 Whole milk — Determination of milkfat, protein and lactose content — Guidance on the operation of mid-infrared instruments
KS M ISO 5397:2002 Leather－Determination of nitrogen content and “hide substance”－Titrimetric method
KS H ISO 9622-2006(2016) Whole milk -- Determination of milkfat, protein and lactose content -- Guidance on the operation of mid-infrared instruments
KS M ISO 685:2003 Analysis of soaps－Determination of total alkali content and total fatty matter content
KS K ISO 20418-2:2022 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 2: Peptide detection using MALDI-TOF MS
KS I ISO 11465-2005(2015) Soil quality－Determination of dry matter and water contenton a mass basis－Gravimetric method

KR-KS, protein content and peptide content

KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H 1204-2022 Testing method for crude proteins content
KS H ISO 5739-2021 Caseins and caseinates — Determination of scorched particles content
KS H ISO 5548-2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5543-2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)
KS H ISO 5542-2021 Milk — Determination of protein content — Amido black dye-binding method(Rountine method)
KS K ISO 20418-1-2022 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 1: Peptide detection using LC-ESI-MS with protein reduction
KS H ISO 8195-2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 9622-2021 Whole milk — Determination of milkfat, protein and lactose content — Guidance on the operation of mid-infrared instruments
KS K ISO 20418-2-2022 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 2: Peptide detection using MALDI-TOF MS

CEN - European Committee for Standardization, protein content and peptide content

EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content
EN ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method
EN ISO 8968-1:2001 Milk - Determination of Nitrogen Content - Part 1: Kjeldahl Method

Professional Standard - Textile, protein content and peptide content

FZ/T 50018-2013 Determination of the protein content of the protein viscose fiber

RU-GOST R, protein content and peptide content

GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
GOST 13496.4-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 23327-1998 Milk and milk products. Determination of mass part of total nitrogen by Kjeldahl method and determination of mass part of protein
GOST 23327-1978 Milk. Methods for determination of the total protein content
GOST R 51465-1999 Caseins and caseinates. Determination of scorched particles content
GOST R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
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 R 55246-2012 Milk and milk products. Determination of non-protein nitrogen content by Kjeldahl method
GOST R 53020-2008 Wheat and wheat flour. Determination of gluten content. Part 1. Manual method
GOST ISO/TS 17837-2013 Processed cheese products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
GOST R 54478-2011 Grain. Methods of determination quantity and quality of gluten in wheat
GOST 32740-2014 Foodstuffs of processed poultry eggs. Determination of lipid phosphorus content by colorimetric method
GOST R 54662-2011 Cheeses and processed cheeses. Determination of protein mass fraction by the Kjeldahl method
GOST 13192-1973 Wines, wine materials and cognacs. Method of sugar determination
GOST 29113-1991 Mixed fooders, feeds protein and vitamin supplements, carbamide concentrate. Methods of determining carbamide mass portion
GOST 12574-1993 Granulated and refined sugar. Methods of ash determination
GOST 21138.5-1978 Chalk. Method for determination of calcium carbonate and magnesium carbonate mass fraction
GOST 21138.7-1978 Chalk. Method for determination of ferric-aluminium sesquioxides mass fraction
GOST 13194-1974 Cognacs and cognac spirits. Method for determination of methyl alcohol
GOST R 52995-2008 Milk powder. Determination of soy and pea proteins using capillary electrophoresis in the presence of sodium dodecyl sulfate (SDS-CE). Screening method

HU-MSZT, protein content and peptide content

European Committee for Standardization (CEN), protein content and peptide content

EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
EN ISO 21415-2:2008 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
EN ISO 20483:2013 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
EN ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
EN ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction
EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
EN ISO 5983-1:2005/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)
EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)
EN 827:2005 Adhesives - Determination of conventional solids content and constant mass solids content
EN 827:1994 Adhesives - Determination of Conventional Solids Content and Constant Mass Solids Content
prEN 827-1992 Adhesives; determination of conventional solids content and constant mass solids content
CEN ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals@ pulses and milled cereal products
EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation

Group Standards of the People's Republic of China, protein content and peptide content

T/ZGKSL 002-2022 General quality requirements for collagens oligopeptides Elastin peptide
T/GXAS 357-2022 Rapid screening of protein content in fresh wet rice noodles by near infrared spectroscopy
T/BPCT 001-2023 Determination of A2 β-casein content in cow milk and cow milk products by high performance liquid chromatography-mass spectrometry
T/CSIQ 77001-2020 Determination of α-Lactalbumin contents in dairy products— HPLC method
T/HXCY 006-2021 Determination of Crude Protein in Reed Canary Grass on Qinghai-Tibet Plateau by Near Infrared Method
T/HXCY 005-2021 Determination of Crude Protein in Siberian wildrye on Qinghai-Tibet Plateau by Near Infrared Method
T/HXCY 022-2021 Operating Procedure for Determination of Crude Protein Content of Paper Mulberry Silage by Near-Infrared Spectrum（NIRS）Technology
T/CCAA 70-2023 Determination of lactoferrin in bovine infant formula by liquid chromatography tandem mass spectrometry

Lithuanian Standards Office , protein content and peptide content

LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
LST EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
LST ISO 5543:2004 Caseins and caseinates. Determination of fat content. Gravimetric method (Reference method) (idt ISO 5543:2004)
LST ISO 5548:2004 Caseins and caseinates. Determination of lactose content. Photometric method (idt ISO 5548:2004)
LST ISO 5739:2003 Caseins and caseinates. Determination of contents of scorched particles and of extraneous matter (idt ISO 5739:2003)
LST EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2006)
LST EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content (ISO 8968-4:2001)
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 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)
LST EN ISO 5983-1:2005/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)
LST ISO 9622:2000 Whole milk. Determination of milkfat, protein and lactose content. Guidance on the operation of mid-infrared instruments (idt ISO 9622:1999)
LST EN 827-2006 Adhesives - Determination of conventional solids content and constant mass solids content
LST 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)
LST EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014)

AT-ON, protein content and peptide content

ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
ONORM DIN 10334-1994 Determination of nitrogen content of milk according to Kjeldahl and calculation of crude protein content
ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method
ONORM DIN 10322-1993 Determination of water content, solids-not-fat and fat contents of butter on the same test portion - Reference method

ES-AENOR, protein content and peptide content

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, protein content and peptide content

GB/T 5511-2008 Cereals and pulses.Determination of the nitrogen content and calculation of the crude protein content.Kjeldahl method
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 15673-2009 Determination of crude protein in edible mushroom
GB/T 24897-2010 Inspection of grain and oils-Crude protein determination in rice-Near-infrared method
GB/T 24899-2010 Inspection of grain and oils-Determination of crude protein in wheat-Near-infrared method
GB/T 24901-2010 Inspection of grain and oils-Determination of crude protein in maize-Near-infrared method
GB/T 24871-2010 Inspection of grain and oils-Crude protein determination in wheat flour-Near-infrared method
GB/T 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products
GB/T 24870-2010 Inspection of grain and oils-Crude protein and crude fat determination in soybean-Near-infrared method
GB/T 42699.1-2023 Textiles—Qualitative and quantitative proteomic analysis of some animal hair fibres—Part 1：Peptide detection using LC-ESI-MS with protein reduction
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 42699.2-2023 Qualitative and Quantitative Analysis of the Proteome of Certain Animal Hair Fibers in Textiles Part 2: Peptide Analysis of Reduced Proteins Matrix-Assisted Laser Desorption Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF-MS) Method
GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
GB 24788-2009(英文版) Limit for the removable surface powder and water extractable protein of medical gloves

ZA-SANS, protein content and peptide content

SANS 5218:2007 Water - Albuminoid ammonia content
SANS 8968-5:2006 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
SANS 8968-4:2006 Milk - Determination of nitrogen content Part 4: Determination of non-protein-nitrogen content
SANS 6039:2005 Amylaceous and proteinaceous matter detection in wood adhesives
SANS 9622:2005 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
SANS 5244:1971 Aluminium content of printers' metal and white metal
SANS 5981:2008 Wax polishes - Non-volatile matter content and the ash content of non-volatile matter
SANS 970:2010 Leather - Determination of nitrogen content and "hide substance" - Titrimetric method

PL-PKN, protein content and peptide content

PN C04288-14-1987 Technical fats Methods of testing Determination of protein content
PN BN 8090-01-1966
PN-EN ISO 20418-3-2020-12 E Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
PKN-ISO/TS 27106-2021-06 P Cheese -- Determination of nisin A content by LC-MS and LC-MS-MS
PN R66163-1962 Determination of the water contents in the oil-seeds, cakes and schats
PN A74855-04-1987 Sugar Test methods Determinution of moisturc content and dry substance by calculation
PN A75153-1987 Wines and brandy Manganometric method for determination of sugars content

International Dairy Federation (IDF), protein content and peptide content

IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
IDF 20-5-2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
IDF 20-4-2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)
IDF/RM 25-2008 Milk and milk products - Determination of nitrogen content and crude protein calculation - Kjeldahl method
IDF/RM 217-2009 Cheese - Determination of nisin A content by LC-MS and LC-MS-MS
IDF 178-2005 Liquid milk - Determination of acid-soluble β-lactoglobulin content - Reverse-phase HPLC method
IDF 20-1-2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation

Danish Standards Foundation, protein content and peptide content

DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
DS/EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
DS/EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content
DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
DS/EN ISO 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 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
DS/ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
DS/ISO 17997-2:2004 Milk - Determination of casein-nitrogen content - Part 2: Direct method
DS/ISO 13875:2007 Liquid milk - Determination of acid-soluble beta-lactoglobulin content - Reverse-phase HPLC-method
DS/ISO 17997-1:2004 Milk - Determination of casein-nitrogen content - Part 1: Indirect method (Reference method)
DS/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
DS/EN 827:2006 Adhesives - Determination of conventional solids content and constant mass solids content
DS/CEN ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products

VN-TCVN, protein content and peptide content

TCVN 7871-3-2008 Wheat and wheat flour.Gluten content.Part 3: Determination of dry gluten from wet gluten by an oven drying method
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 7871-4-2008 Wheat and wheat ftour.Gluten content.Part 4: Determination of dry gluten from wet gluten by a rapid drying method
TCVN 7253-2003 Tobacco and tobacco products.Determination of nitrogen protein content
TCVN 4328-1-2007 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 1: Kjeldahl method
TCVN 8766-2011 Milk and milk products.Determination of protein content.Acid orange 12 dye-binding method
TCVN 7871-2-2008 Wheat and wheat flour.Gluten content.Part 2: Determination of wet gluten by mechanical means
TCVN 4328-2-2011 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 2: Block digestion and steam distillation method
TCVN 7774-2007 Milk.Determination of protein content.Amido black dye-binding method (Routine method)
TCVN 7871-1-2008 Wheat and wheat flour.Gluten content.Part 1: Determination of wet gluten by a manual method
TCVN 6835-2001 Whole milk.Determination of milktat, protein and lactose content.Guidance on the operation of mid-infrared instruments
TCVN 6648-2000 Soil quality.Determination of dry matter and water content on a mass basis.Gravimetric method

Professional Standard - Tobacco, protein content and peptide content

YC/T 166-2003 Tobacco and tobacco products-Determination of total proteins content (Albumins)

GOSTR, protein content and peptide content

GOST 13496.4-2019 Fodder, мixed fodder and raw mixed fodder. Methods of nitrogen and crude protein determination
GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method

AENOR, protein content and peptide content

UNE 34871:1986 PROCESSED CHEESE PRODUCTS. DETERMINATION OF THE PROTEIN CONTENT.
UNE 34827:1983 DETERMINATION OF THE CASEIN CONTENT OF MILK.
UNE-EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013)
UNE-EN ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)
UNE-EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)
UNE-EN 827:2006 Adhesives - Determination of conventional solids content and constant mass solids content
UNE-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)
UNE-ISO 11465:2011 Soil quality -- Determination of dry matter and water content on a mass basis -- Gravimetric method
UNE-EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014)

Hainan Provincial Standard of the People's Republic of China, protein content and peptide content

DB46/T 313-2015 Coconut Crude Protein and Crude Fat Determination

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, protein content and peptide content

GB/T 35809-2018 Method for analysis of forestry biomass—Determination of protein content

TN-INNORPI, protein content and peptide content

NT 14.51-1983

NL-NEN, protein content and peptide content

NEN 3760-1984 Cheese - Determination of the nitrogen content according to Kjeldahl - Calculation of the crude protein content
NEN 3198-1984 Milk, evaporated milk and dried milk - Determination of the nitrogen content according to Kjeldahl - Calculation of the crude protein content (reference method)
NEN 5748-1990 Soil - Determination of moisture content and dry matter content of air-dry soil
NEN 5747-1990 Soil - Determination of moisture content and dry matter content of not prepared soil

IN-BIS, protein content and peptide content

国家药监局, protein content and peptide content

YY/T 1805.3-2022 Tissue engineering medical device product collagen Part 3: Collagen content detection based on characteristic peptide determination - liquid chromatography-mass spectrometry
YY/T 0616.7-2020 Disposable medical gloves Part 7: Immunological determination of antigenic protein content

Taiwan Provincial Standard of the People's Republic of China, protein content and peptide content

CNS 6511-2008 Method of test for meat and meat products - Determination of crude protein content
CNS 6610-2008 Method of test for meat and meat products - Determination of soybean flour and soy protein concentrate content

TH-TISI, protein content and peptide content

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

PT-IPQ, protein content and peptide content

NP 1996-2000 Cereals and pulses Determiantion of the nitrogen content and calculation of the raw protein content Kjeldhal method
NP 2935-1988

BG-BDS, protein content and peptide content

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

Professional Standard - Commodity Inspection, protein content and peptide content

SN/T 3926-2014 Determination of protein content in dairy foods, egg foods and soy foods for export.Coomassie brilliant blue method
SN/T 3382-2012 Determination of non-protein-nitrogen content in milk and dairy products for export
SN/T 2497.20-2010 Test method of import and export dangerous chemicals-Part 20: Determination of protein content using Bradford method
SN/T 1113-2002 Determination method of phycocyanin and chlorophyll content in spirulina powder for import and export

其他未分类, protein content and peptide content

BJS 201915

Tianjin Provincial Standard of the People's Republic of China, protein content and peptide content

DB12/T 347-2007 Near-infrared rapid detection method of crude protein content in wheat and corn

国家市场监督管理总局、中国国家标准化管理委员会, protein content and peptide content

GB/T 41366-2022 Livestock and poultry meat quality testing—Determination of moisture, protein and fat—Near-infrared spectroscopy method
GB/T 38086-2019 Determination of metallothionein (MT) in biological samples

YU-JUS, protein content and peptide content

JUS E.B8.031-1978 Specification ofwheatfor milling industry. Determination ofraw protein content
JUS E.B8.034-1978 Specification of wheat for milling industry. Determination of raw protein content macro-micro method according to Kjeldahl

Professional Standard - Public Safety Standards, protein content and peptide content

GA/T 52-1993 Protein foam fire extinguishing agent and fluoroprotein foam fire extinguishing agent quality classification

农业农村部, protein content and peptide content

NY/T 3608-2020 Method for determination of collagen content in livestock and poultry bones Spectrophotometry

CH-SNV, protein content and peptide content

SN EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
SN 210 100-1987 Technical drawings - Sizes and layout of drawing sheets

Indonesia Standards, protein content and peptide content

SNI 8076-2014 Kolagen kasar dari sisik ikan - Syarat mutu dan pengolahan

American Society for Testing and Materials (ASTM), protein content and peptide content

ASTM D2868-17 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather, Wet Blue and Wet White
ASTM D2868-10(2015) Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather, Wet Blue and Wet White

BE-NBN, protein content and peptide content

NBN I-919-1968
NBN EN 827-1995 Adhesives - Determination of conventional solids content and constant mass solids content

IT-UNI, protein content and peptide content

UNI 1001-1004-1939 Testing the dyeing properties of the dyestuffs used to dye animal textile fibres and proteic artificial fibres.

TR-TSE, protein content and peptide content

TS 3245-1978 Methods For The Analysis Of Ceramic Whiteware Clays - Determination Of Moisture And Loss On Ignition Contents