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Database: 365,228(8 Aug 2026)

protein flow assay

protein flow assay, Total:159 items.

The international standard classification for "protein flow assay" includes: General methods of tests and analysis for food products , food products in general , Animal feeding stuffs , Cereals, pulses and derived products , Edible oils and fats. Oilseeds , Fruits. Vegetables , Biology. Botany. Zoology , Chemical reagents , Tobacco, tobacco products and related equipment , Man-made fibres , Meat and meat products , Laboratory medicine , Protection against crime .

The Chinese standard classification for "protein flow assay" includes: Basic standards and general methods , Food processing and products in general , Livestock and poultry feed and additive , Cereal crop and forage crop in general , Oil crop and product , Basic standards and general methods , Other cash crops , Food sanitation , Melon, fruit and vegetable planting and product , Environmental Condition and General Test Method , Biochemical reagent and clinical analysis reagent , Basic standard and general method on forestry , Tobacco , Chemical fibre in general , Meat processing and products , Basic Subject in general , Medical laboratory equipment , Sanitation in general , Crime judging technology .


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

  • GB/T 15673-1995 Method for determination of crude protein in edible fungi
  • GB/T 24901-2010 Inspection of grain and oils—Determination of crude protein in maize—Near-infrared method
  • GB/T 14489.2-2008 Inspection of grain and oils—Determination of crude protein in oilseeds
  • GB/T 24899-2010 Inspection of grain and oils—Determination of crude protein in wheat—Near-infrared method
  • GB/T 5009.5-2003 Determination of protein in foods
  • GB/T 14771-1993 Method for determination of protein content in foods
  • GB/T 24870-2010 Inspection of grain and oils—Crude protein and crude fat determination in soybean—Near-infrared method
  • GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
  • GB/T 19495.8-2004 Detection of genetically modified plants and derived products-Protein based methods
  • GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
  • GB/T 14489.2-1993 Method for determination of crude protein in oilseed
  • GB/T 24871-2010 Inspection of grain and oils—Crude protein determination in wheat flour—Near-infrared method
  • GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
  • GB/T 24897-2010 Inspection of grain and oils—Crude protein determination in rice—Near-infrared method
  • GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein

Taiwan Provincial Standard of the People's Republic of China

  • CNS 3449-2007 Method of test for milk and milk products - Determination of protein
  • CNS 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein
  • CNS 5035-1986 Method of Test for Crude Protein in Food
  • CNS 2770-5-1986 Method of Test for Feeds : Determination of Crude Protein
  • CNS 6511-2008 Method of test for meat and meat products - Determination of crude protein content
  • CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude Protein

Group Standards of the People's Republic of China

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 33410-2016 Determination of the activity of protease K in biochemical reagents
  • GB/T 35534-2017 Examination methods of pancreatic digest of casein
  • 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

工业和信息化部/国家能源局

Professional Standard - Commodity Inspection

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

Professional Standard - Agriculture

Professional Standard - Tobacco

  • YC/T 249-2008 Tobacco and tobacco products - Determination of protein - Continuous flow method

Jilin Provincial Standard of the People's Republic of China

Professional Standard - Textile

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

农业农村部

  • NY/T 3512-2019 Non-destructive determination of protein in meat- Near-infrared spectroscopy method

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 41366-2022 Livestock and poultry meat quality testing—Determination of moisture,protein and fat—Near-infrared spectroscopy method
  • GB/T 40225-2021 Determination of actin antibody—Western blotting method

Professional Standard - Medicine

Professional Standard - Hygiene

Tianjin Provincial Standard of the People's Republic of China

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

未注明发布机构

  • DIN EN ISO 21572 Berichtigung 1:2005 Food – Methods for the detection of genetically modified organisms and their products – Protein methods
  • DIN EN ISO 21572:2004 Food – Methods for the detection of genetically modified organisms and their products – Protein methods
  • DIN EN ISO 8968-4 E:2013-09 Determination of nitrogen content of milk and milk products Part 4: Determination of protein and non-protein nitrogen content and calculation of pure protein content (Reference Method) (Draft)
  • DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference method)

Professional Standard - Public Safety Standards

  • GA 765-2008 Detection method of human hemoglobin—Rapid test strip
  • GA/T 765-2020 Methods for detection of human hemoglobin—Rapid test strip

Hebei Provincial Standard of the People's Republic of China

SCC

  • AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
  • 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)
  • AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
  • 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)
  • UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION
  • BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
  • AENOR UNE 77059:2002 Water quality. Determination of aluminum. Colorimetric method with eriochromocyanin R.
  • 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-...
  • BS EN ISO 21572:2004 Foodstuffs. Methods for the detection of genetically modified organisms and derived products. Protein based methods

HU-MSZT

CZ-CSN

KR-KS

Korean Agency for Technology and Standards (KATS)

International Organization for Standardization (ISO)

  • ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
  • 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 5546:1979 Caseins and caseinates; Determination of pH (Reference method)
  • 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 5546:2010 Caseins and caseinates - Determination of pH (Reference method)

AT-ON

  • ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference 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

Lithuanian Standards Office

  • LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)

RU-GOST R

Association Francaise de Normalisation

  • NF V04-387:1985 Caseins and caseinates. Determination of protein content (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 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 EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of certain animal fibers - Part 1: detection of peptides by LC ESI MS with protein reduction

AR-IRAM

RO-ASRO

German Institute for Standardization

  • DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
  • DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic 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 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 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
  • DIN ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)

British Standards Institution (BSI)

  • 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 8968-4:2016(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 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • 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 ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
  • BS ISO 5546:2010 Caseins and caseinates - Determination of pH (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)
  • OS GSO 2505:2016 Method of tests for soya protein products
  • GSO 2505:2016 Method of tests for soya protein products
  • OS GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
  • GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
  • BH GSO ISO 5546:2016 Caseins and caseinates -- Determination of pH (Reference method)

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)

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)

IN-BIS

  • IS 7481-1974 How to measure protein efficiency ratio (PER)
  • IS 7219-1973 Methods for determination of protein in food and feed

ZA-SANS

  • SANS 21572:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods
  • SANS 6039:2005 Amylaceous and proteinaceous matter detection in wood adhesives

GOSTR

  • GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
  • GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method

CU-NC

PT-IPQ

  • NP 1986-1991 Milks Determination of protein content. Kjeldahl technique

American Society for Testing and Materials (ASTM)

  • ASTM D7818-12 Standard Test Method for Enumeration of Proteolytic Bacteria in Fresh (Uncured) Hides and Skins

CEN - European Committee for Standardization

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