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Database: 365,228(8 Aug 2026)

protein physics

protein physics, Total:218 items.

The international standard classification for "protein physics" includes: Man-made fibres , Animal feeding stuffs , Textiles in general , food products in general , Fruits. Vegetables , General methods of tests and analysis for food products , Edible oils and fats. Oilseeds , Biology. Botany. Zoology , Protection against crime , Processes in the food industry .

The Chinese standard classification for "protein physics" includes: Chemical fibre in general , Chemical fibre , Livestock and poultry feed and additive , Silk and silk fabric in general , Basic standards and general methods , Other cash crops , Basic standards and general methods , Melon, fruit and vegetable planting and product , Oil crop and product , Basic standard and general method on forestry , Environmental Condition and General Test Method , Biochemical reagent and clinical analysis reagent , Food sanitation , Cereal crop and product , Cereal crop and forage crop in general , Crime judging technology .


Professional Standard - Textile

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

  • GB/T 14489.2-1993 Method for determination of crude protein in oilseed
  • GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
  • GB/T 15673-1995 Method for determination of crude protein in edible fungi
  • GB/T 44214-2024 Test method for non-protein content in silk
  • GB/T 19495.8-2004 Detection of genetically modified plants and derived products-Protein based methods
  • GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
  • GB/T 14771-1993 Method for determination of protein content in foods
  • GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

  • GB/T 35809-2018 Method for analysis of forestry biomass—Determination of protein content
  • GB/T 34800-2017 Detection method of activity and impurity of proteinase K
  • GB/T 35534-2017 Examination methods of pancreatic digest of casein

Professional Standard - Agriculture

未注明发布机构

Professional Standard - Commodity Inspection

  • SN/T 0800.3-1999 Cereals and feedstuffs for import and export - Method for the determination of crude protein
  • SN/T 2545-2010 Testing Method of Thermal Denaturation Protein in Animal Derived Food
  • SN/T 0803.9-1999 Oil bearing materials for import and export—Method for the determination of crude protein

Heilongjiang Provincial Standard of the People's Republic of China

Jilin Provincial Standard of the People's Republic of China

  • DB22/T 294-2020 Method for identification of adulteration of crude protein in corn gluten meal
  • DB22/T 1818-2013 Determination of urea-formaldehyde polymer in protein feed

Professional Standard - Public Safety Standards

  • GA/T 819-2009 Analytical method of acid dyes on the protein fibers

农业农村部

  • NY/T 3493-2019 Agricultural biomass raw materials. Determination of crude protein
  • NY/T 3298-2018 Determination of crude protein content in vegetable oilseeds—Near-infrared spectroscopy method

Taiwan Provincial Standard of the People's Republic of China

Group Standards of the People's Republic of China

Professional Standard - Ministry of Public Security Logo

  • GN 14-1982 Test methods for protein foam fire extinguishing agents and fluoroprotein foam fire extinguishing agents

Professional Standard - Chemical Industry

  • HG/T 3645-1999 Method for the determination of aqueous extractable protein in natural rubber gloves using the Lowry method

Japanese Industrial Standards Committee (JISC)

  • JIS K 0602:2000 Proteins -- Serum albumin -- Methods for quantitative analysis
  • JIS K 0605:2000 Proteins -- Trypsin -- Methods for quantitative analysis
  • JIS K 0606:2000 Proteins -- Transferrin -- Methods for quantitative analysis
  • JIS K 0603:2000 Proteins -- Immunoglobulin -- Methods for quantitative analysis
  • JIS K 0604:2000 Proteins -- Monoclonal IgG -- Methods for quantitative analysis
  • JIS K 0607:2000 Proteins -- Glucoseoxydase -- Methods for quantitative analysis
  • JIS K 0602:1992 Methods for quantitative analysis of serum albumin

CZ-CSN

AT-ON

SCC

  • AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
  • DANSK DS/ISO 21572:2019 Foodstuffs – Molecular biomarker analysis – Protein-based methods
  • DANSK DS/EN ISO 8968-4:2016 Milk and milk products – Determination of nitrogen content – Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION
  • AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
  • 10/30180621 DC BS EN ISO 21572. Foodstuffs. Molecular biomarker analysis. Protein-based methods
  • BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
  • UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
  • AS 2300.10.3 SUPP 1:1991 Caseins, caseinates and coprecipitates - Assessment of colour of caseins, Part 10.3: Colour standards for untreated and heat-treated acid casein and for wet-heat-treated rennet casein (Supplement to AS 2300.10.3-1991)
  • NS-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)
  • BS EN ISO 21572:2004 Foodstuffs. Methods for the detection of genetically modified organisms and derived products. Protein based methods
  • AS N60:1970 Methods for the sampling and analysis of acid and rennet caseins
  • BS 4289-6:1986 Methods for the analysis of oilseeds-Determination of oil, moisture and volatile matter, and protein by infrared reflectance
  • DIN EN ISO 21572 E:2019 Draft Document - Foodstuffs - Molecular biomarker analysis - Protein-based methods (ISO/DIS 21572:2019); German and English version prEN ISO 21572:2019
  • BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
  • AS 2300.10.3 SUPP 2:1991 Caseins, caseinates and coprecipitates - Assessment of colour of caseins, Part 10.3: Colour standards for untreated rennet casein (Supplement to AS 2300.10.3-1991)
  • AS 1095.2.6:1978 Microbiological methods for the dairy industry, Part 2.6: Methods for the examination of specific dairy products - Caseins, caseinates, and coprecipitates
  • AENOR UNE-EN ISO 8968-4:2016 Milk and dairy products. Determination of nitrogen content. Part 4: Determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method). (ISO 8968-4:2016)
  • DIN EN ISO 8968-4 E:2013 Draft Document - 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/DIS 8968-4:2013); German version prEN ISO 8968-...
  • DANSK DS/EN 15948:2020 Cereals – Determination of moisture and protein – Method using Near-Infrared Spectroscopy in whole kernels
  • NS-EN 15948:2020 Cereals — Determination of moisture and protein — Method using Near-Infrared Spectroscopy in whole kernels
  • NS-EN 15948:2015 Cereals — Determination of moisture and protein — Method using Near-Infrared-Spectroscopy in whole kernels
  • NS-EN 15948:2012 Cereals — Determination of moisture and protein — Method using Near-Infrared-Spectroscopy in whole kernels
  • NS-EN ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods (ISO 21572:2004)

RU-GOST R

  • GOST 10846-1991 Grain and products of its processing. Method for determination of protein
  • GOST 25179-1990 Milk. Methods for determination of protein
  • GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
  • GOST 28074-1989 Vegetable fodder. Method for the determination of crude protein solubility
  • GOST R 54478-2011 Grain. Methods of determination quantity and quality of gluten in wheat
  • GOST 28075-1989 Vegetable fodder. Method for the determination of crude protein splitting
  • GOST 25179-2014 Milk and milk products. Method for determination of protein
  • GOST 25011-1981 Meat and meat products. Methods of protein determination
  • GOST 25011-2017 Meat and meat products. Protein determination methods
  • GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
  • GOST 31978-2012 Caseins and caseinates. Method for determination of pH
  • GOST R 53011-2008 Mixed feeds, protein-vitamin-mineral concentrates, premixes. Methods for determination of metallomagnetic impurity
  • GOST R 53213-2008 Meat and meat products. Histological method of identification of plant protein additives
  • GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
  • GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
  • GOST 13979.3-1968 Oilcakes oil-meals. Methods of determination of soluble proteins
  • GOST 31484-2012 Mixed feeds, protein-vitamin-mineral concentrates, premixes. Methods for determination of metallomagnetic impurity
  • GOST R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction
  • GOST R 57476-2017 Bird food protein. Specifications
  • GOST 31477-2012 Meat and meat products. Immune method of determination of animal (pork, beef, mutton) proteins
  • GOST R 53862-2010 Mixed feeds, protein-vitamin-mineral concentrates. Method for determination of the oxiacids

Korean Agency for Technology and Standards (KATS)

  • KS H 1204-2012 Testing method for crude proteins content
  • KS H 1204-2001 Testing method for crude proteins content
  • KS H ISO 5549:2006 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 ISO 5549-2006(2016) Caseins and caseinates-Determination of protein content(Reference method)
  • KS H 1204-2021 Testing method for crude proteins content
  • KS H ISO 5739:2006 Caseins and caseinates-Determination of scorched particles content
  • KS J 4201-2023 Methods for quantitative analysis of serum albumin
  • KS J ISO 21572-2019 Foodstuffs-Methods for the detection of genetically modified organisms and derived products-Protein based methods
  • KS H ISO 5546:2006 Caseins and caseinates-Determination of pH(Reference method)
  • KS J 4201-2008 Methods for quantitative analysis of serum albumin
  • KS J ISO 21572-2009(2019) Foodstuffs-Methods for the detection of genetically modified organisms and derived products-Protein based methods
  • KS J ISO 21572:2009 Foodstuffs-Methods for the detection of genetically modified organisms and derived products-Protein based methods
  • KS P 1015-2012 Establishment of a reference material and evaluation method for troponin-based cardiovascular diagnostics
  • KS J 4201-2018 Methods for quantitative analysis of serum albumin

European Committee for Standardization (CEN)

  • EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods
  • EN ISO 21572:2019 Foodstuffs - Molecular biomarker analysis - Immunochemical methods for the detection and quantification of proteins (ISO 21572:2019)

HU-MSZT

RO-ASRO

  • 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 SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method

KR-KS

  • KS H 1204-2022 Testing method for crude proteins content
  • KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
  • KS P 1015-2018(2023) Establishment of a reference material and evaluation method for troponin-based cardiovascular diagnostics

International Organization for Standardization (ISO)

  • ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
  • ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
  • ISO 21572:2019 Foodstuffs — Molecular biomarker analysis — Immunochemical methods for the detection and quantification of proteins
  • ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • 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 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter 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 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • ISO 5546:2010 | IDF 115:2010 Caseins and caseinates — Determination of pH (Reference method)
  • ISO 5546:2010|IDF 115:2010 Determination of pH value of casein and caseinate (standard method)
  • ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods
  • ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods

IN-BIS

  • IS 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers
  • IS 7481-1974 How to measure protein efficiency ratio (PER)
  • IS 7219-1973 Methods for determination of protein in food and feed
  • IS 11962-1987 Method for determination of ash content in chymosin casein and caseinate (reference method)
  • IS 9095-1979 Specifications for protein gummies
  • IS 7482-1989 Protein Drinks—Specifications

Danish Standards Foundation

  • DS/EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods
  • DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • DS/EN 15948:2020 Cereals – Determination of moisture and protein – Method using Near-Infrared Spectroscopy in whole kernels

AR-IRAM

Association Francaise de Normalisation

  • NF V03-021:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods
  • NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
  • NF V04-221-4*NF EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • NF EN ISO 8968-4:2016 Milk and dairy products - Determination of nitrogen content - Part 4: determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method)
  • NF V03-741:2008 Cereals and cereal products - Maize products - Promatest - Method for assessment of heatsensitive proteins.
  • NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)

British Standards Institution (BSI)

  • BS EN ISO 21572:2013 Foodstuffs. Molecular biomarker analysis. Protein-based methods
  • BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • BS EN 15948:2015 Cereals. Determination of moisture and protein. Method using Near-Infrared-Spectroscopy in whole kernels
  • BS EN 15948:2012 Cereals. Determination of moisture and protein. Method using Near-Infrared- Spectroscopy in whole kernels
  • BS ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
  • BS ISO 23893-3:2013 Water quality. Biochemical and physiological measurements on fish. Determination of vitellogenin
  • BS ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)

CU-NC

Lithuanian Standards Office

  • LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
  • LST EN ISO 21572:2004/AC:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods (ISO 21572:2004)
  • LST EN ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods (ISO 21572:2004)

GOSTR

  • GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
  • GOST 34621-2019 Foods for special dietary uses. Dry protein, protein-carbohydrate and carbohydrate-protein drinks for sports nutrition. General specifications

Standard Association of Australia (SAA)

  • AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • AS 2300.1.8.1:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Analytical quality assurance of instrumental methods - Protein in milk

AENOR

  • UNE 34081:1975 ANALYSIS METHODS FOR CHOCOLATES. MILK PROTEINS.
  • UNE-EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods (ISO 21572:2013)
  • UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
  • UNE 23604:1988 PHYSICAL PROPERTIES TESTS FOR LOW EXPANSION PROTEINIC FOAM

Society of Automotive Engineers (SAE)

ES-UNE

  • 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 15948:2021 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels

German Institute for Standardization

  • 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 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
  • DIN ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
  • DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - 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 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
  • DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
  • DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
  • DIN EN 15948:2020-12 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels; German version EN 15948:2020
  • DIN ISO 5545:2020-12 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)

ZA-SANS

  • CKS 458-2008 Protein, vitamin, mineral (PVM) supplementary food mixture
  • SANS 21572:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods

American Society for Testing and Materials (ASTM)

  • ASTM D7818-12 Standard Test Method for Enumeration of Proteolytic Bacteria in Fresh (Uncured) Hides and Skins
  • ASTM D6188-17 Standard Test Method for Viscosity of Cellulose by Cuprammonium Ball Fall

International Dairy Federation (IDF)

  • IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • IDF 90-2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)

GSO

  • BH GSO ISO 8968-4:2022 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • GSO ISO 8968-4:2021 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • GSO CODEX STAN 174:2021 Vegetable Protein Products

VN-TCVN

  • TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
  • TCVN 7607-2007 Foodstuffs.Methods of analysis for the detection of genetically modified organisms and derived products.Protein based methods

GOST

  • GOST ISO 21572-2009 Food products Analytical methods for the detection of genetically modified organisms and derivative products Protein based methods

BELST

  • STB 1150-2013 Protein-vitamin-mineral additives. General specifications

CH-SNV

CEN - European Committee for Standardization

  • EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

ES-AENOR

  • UNE 23-604-1988 Fire extinguishing agent. Physical property testing of low expansion protein foams