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Database: 365,228(8 Aug 2026)
  1. HOME
  2. Standards for Protein UV quantitative detection method

Protein UV quantitative detection method

Protein UV quantitative detection method, Total:389 items.

The international standard classification for "Protein UV quantitative detection method" includes: Cereals, pulses and derived products , Waxes, bituminous materials and other petroleum products , General methods of tests and analysis for food products , Fruits. Vegetables , Beekeeping , Animal feeding stuffs , food products in general , Sugar and sugar products , Biology. Botany. Zoology , Chemical reagents , Laboratory medicine , Meat and meat products , Medical Sciences and health care facilities in general , Man-made fibres , Fluorescent lamps. Discharge lamps , Spices and condiments. Food additives , Protection against crime .

The Chinese standard classification for "Protein UV quantitative detection method" includes: Cereal crop and forage crop in general , Petroleum wax , Basic standards and general methods , Other cash crops , Beekeeping, silkworm keeping , Food processing and products in general , Basic standards and general methods , Sugar refining , Livestock and poultry feed and additive , Food sanitation , Biochemical reagent and clinical analysis reagent , Environmental Condition and General Test Method , Basic standard and general method on forestry , Medical laboratory equipment , Meat processing and products , Sanitation in general , Chemical fibre in general , Electric light source products , Flavoring materials , Hydrogeological survey , Crime judging technology .

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

  • GB/T 14771-1993 Method for determination of protein content in foods
  • GB/T 21096-2007 Method of measuring and specifying the UV-radiation of ultraviolet lamps used for sun-tanning
  • GB/T 15673-1995 Method for determination of crude protein in edible fungi
  • GB/T 24897-2010 Inspection of grain and oils—Crude protein determination in rice—Near-infrared method
  • GB/T 19495.8-2004 Detection of genetically modified plants and derived products-Protein based methods
  • GB/T 23196-2008 Determination of ferulic acid content in propolis - HPLC-UV method
  • GB/T 24901-2010 Inspection of grain and oils—Determination of crude protein in maize—Near-infrared method
  • GB/T 11081-2005 Standard test method for ultraviolet adsorption of white oils
  • GB/T 26627.1-2011 Inspection of grain and oils—Determination of swelling index of glutenin(SIG) for wheat—Part 1:Macro-method
  • GB/T 24899-2010 Inspection of grain and oils—Determination of crude protein in wheat—Near-infrared method
  • GB/T 18932.18-2003 Method for determination of hydroxymethylfurfural in honey - HPLC-UV detection method
  • GB/T 24871-2010 Inspection of grain and oils—Crude protein determination in wheat flour—Near-infrared method
  • GB/T 6432-1994 Method for the determination of crude protein in feedstuffs
  • GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein
  • 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 11081-1989 White oils-Determination of ultraviolet absorption
  • GB/T 43817-2024 Radiometric measurement methods of ultraviolet radiation sources

Professional Standard - Agriculture

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

农业农村部

  • NY/T 3512-2019 Non-destructive determination of protein in meat- Near-infrared spectroscopy method
  • NY/T 3608-2020 Determination of collagen content in livestock and poultry bone—Colorimetric method
  • NY/T 3298-2018 Determination of crude protein content in vegetable oilseeds—Near-infrared spectroscopy 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 34800-2017 Detection method of activity and impurity of proteinase K
  • 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 33410-2016 Determination of the activity of protease K in biochemical reagents

Professional Standard - Medicine

未注明发布机构

  • DIN ISO 5545 E:2020-06 Rennet caseins and caseinates - Determination of ash (Reference method)
  • DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference method)
  • DIN EN 61228:1995 Method for measuring and determining the UV radiation from UV lamps for tanning purposes
  • DIN EN ISO 21572:2004 Food – Methods for the detection of genetically modified organisms and their products – Protein methods
  • ASTM RR-D11-1141 2018 D8238-Test Method for Immunological Assay to Quantify Guayule Proteins.
  • DIN EN ISO 21572 Berichtigung 1:2005 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 5544 E:2020-06 Caseins - Determination of "fixed ash" (Reference method)
  • DIN ISO 5550 E:2020-06 Caseins and caseinates - Determination of moisture content (Reference 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

Taiwan Provincial Standard of the People's Republic of China

  • CNS 2770-5-1986 Method of Test for Feeds : Determination of Crude Protein
  • 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 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
  • CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude Protein

国家能源局

  • SH/T 0966-2017 Determination of aromatic hydrocarbon content in white oil by UV spectrophotometry

Group Standards of the People's Republic of China

  • T/HXCY 006-2021 Determination of Crude Protein in Reed Canary Grass on Qinghai-Tibet Plateau by Near Infrared Method
  • T/FDSA 0050-2024 Method for determination of the bioavailability of oral collagen protein
  • T/TDSTIA 026-2022 Determination of α-lactalbumin and β-lactoglobulin in infant formula milk powder—Gel permeation chromatography
  • 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/ZGKSL 010-2023 Test method for absorption of recombinant collagen through the skin
  • T/ZGKSL 009-2023 Test method for determination of collagen secreted from human cells induced by recombinant collagen
  • T/AHPCA 047-2023 Method for testing the anti-wrinkle and firming efficacy of cosmetics (elastase inhibition rapid assay)
  • T/CVMA 17-2020 Newcastle disease virus V protein antibody indirect ELISA detection method
  • T/GDCKCJH 048-2021 Performance requirements and test methods for ultraviolet analyzer
  • T/CAAMM 314-2023 Procedure for rapid grading detection of protein content in fresh edible sweet potatoes using near-infrared spectroscopy
  • T/GDCKCJH 081-2023 Field test methods for UV germicidal lamp
  • T/GDCKCJH 049-2021 Performance requirements and test methods for ultraviolet energy meter

Professional Standard - Hygiene

  • WS/T 341-2011 Reference method for haemoglobinometry in human blood
  • WS 341-2011 Reference method for hemoglobin determination

National Health Commission of the People's Republic of China

Professional Standard - Textile

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

海关总署

  • SN/T 5153-2019 Determination of fluorescent whitening agents in tissue paper-UV spectroscopy method

Professional Standard - Light Industry

  • QB/T 4363-2012 Determination of Immunoglobulin Egg Yolk (IgY) Activity in Toothpastes
  • QB/T 3582-1999 Method of Measurement of Ultraviolet Irradiance and Electrical Characteristic of Tubular Ultraviolet High Pressure Mercury Lamp
  • QB/T 2989-2008 Method of measurement of ultraviolet irradiance and electrical characteristic of tubular ultraviolet high pressure mercury lamp

Professional Standard - Business

Professional Standard - Commodity Inspection

  • SN/T 0803.9-1999 Oil bearing materials 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

Heilongjiang Provincial Standard of the People's Republic of China

国家药品监督管理局

Professional Standard - Geology

  • DZ/T 0064.59-1993 Groundwater quality test methods - the determination of nitrate radical with ultraviolet spectrophotometric method

Professional Standard - Public Safety Standards

  • GA 765-2008 Detection method of human hemoglobin—Rapid test strip

RU-GOST R

  • GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
  • GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
  • GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
  • GOST 31978-2012 Caseins and caseinates. Method for determination of pH
  • GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
  • GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
  • GOST R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
  • 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 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
  • GOST R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction
  • GOST R 54478-2011 Grain. Methods of determination quantity and quality of gluten in wheat
  • GOST R 51468-1999 Caseins. Method for determination of free acidity
  • GOST R 51465-1999 Caseins and caseinates. Determination of scorched particles content
  • GOST 30648.2-1999 Infant milk products. Methods for determination of total protein
  • 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 54756-2011 Milk and milk products. Мethod for determination of mass portion of whey protein with Kjeldahl method
  • GOST R 53974-2010 Enzyme preparations for food industry. Method for determination of proteolitic activity
  • GOST R EN ISO 20846-2006 Petroleum products. Determination of sulfur content by ultraviolet fluorescence method

Japanese Industrial Standards Committee (JISC)

SCC

  • BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
  • 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)
  • BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
  • DIN 10470 E:2010 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • 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 61228:1995 Method of measuring and specifying the UV radiation of ultraviolet lamps used for sun-tanning
  • 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)
  • DANSK DS/EN 15948:2020 Cereals – Determination of moisture and protein – Method using Near-Infrared Spectroscopy in whole kernels
  • 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-...
  • AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
  • DANSK DS/ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates – Determination of fat content – Gravimetric method
  • BS 5766-4:1998 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content
  • BS 5766-4:1981 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content
  • UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION

Korean Agency for Technology and Standards (KATS)

AT-ON

  • ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
  • ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method
  • ONORM DIN 10456-1993 Determination of pH of caseins and caseinates - Reference method
  • ONORM S 1812-1982 Testing ojtextiles; quantitative analysis oj binary mixtures; casein fihres with other jibres; trypsin 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 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 5739-2021 Caseins and caseinates — Determination of scorched particles content
  • KS H ISO 5546-2021 Caseins and caseinates — Determination of pH(Reference method)
  • KS I ISO 11264-2016 Soil quality－Determination of herbicides－Method using HPLC with UV-detection

CZ-CSN

Association Francaise de Normalisation

  • NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
  • NF V04-382:1988 Caseins and caseinates. Determination of fat content. Gravimetric method (reference method).
  • NF V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
  • NF V04-382:2008 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method).
  • NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method
  • 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 C72-228:1995 Method of measuring and specifying the uv-radiation of ultraviolet lamps used for sun-tanning.
  • 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 ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • NF EN ISO 21572:2019 Food products - Molecular biomarker analysis - Immunochemical methods for protein detection and quantification
  • NF ISO 5544:2008 Caseins - Determination of "fixed ashes" (Reference method)
  • NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
  • NF EN 15948:2020 Cereals - Determination of water and protein content - Method using near-infrared spectroscopy on whole grains
  • NF EN ISO 23319:2022 Cheeses and processed cheeses, caseins and caseinates - Determination of fat content - Gravimetric method
  • NF ISO 5547:2008 Caseins - Determination of free acidity (Reference method)
  • NF V04-384*NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method).
  • NF V04-558*NF EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method
  • NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.

International Dairy Federation (IDF)

  • IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)
  • 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 89-2008 Caseins - Determination of "fixed ash" (Reference method)
  • IDF 91-2008 Caseins - Determination of free acidity (Reference method)

German Institute for Standardization

  • 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 ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
  • 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)
  • DIN ISO 5550:2020 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
  • 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 8968-4:2016-09 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 ISO 11264:2005-11 Soil quality - Determination of herbicides - Method using HPLC with UV-detection (ISO 11264:2005)
  • DIN ISO 5545:2020-12 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)
  • DIN 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic 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 5546:2020 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
  • DIN 10472:1996-06 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
  • 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 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 15948:2020-12 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels; German version EN 15948:2020
  • DIN ISO 5544:2020-12 Caseins - Determination of "fixed ash" (Reference method) (ISO 5544:2008)
  • 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 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
  • DIN ISO 5545:2020 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)
  • DIN 10450:1983-03 Determination of free acidity of caseins; reference method
  • DIN 58906-1:2000 Haemostaseology - Determination of fibrinogen concentration - Part 1: Reference measurement procedure for the determination of clottable fibrinogen as described by Clauss
  • DIN EN ISO 21572:2020-02 Foodstuffs - Molecular biomarker analysis - Immunochemical methods for the detection and quantification of proteins (ISO 21572:2019); German version EN ISO 21572:2019

International Organization for Standardization (ISO)

  • ISO 5549:1978 Caseins and caseinates; Determination of protein content (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 5543:2004 | IDF 127:2004 Caseins and caseinates — Determination of fat content — Gravimetric method (Reference method)
  • 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 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 5548:2004|IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric 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 5550:2006 | IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
  • ISO 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric method
  • ISO 5543:1986 Caseins and caseinates; Determination of fat content; Gravimetric method (Reference method)
  • ISO 5543:2004 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 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 | 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 5739:1983 Caseins and caseinates; Determination of scorched particles content
  • ISO 5546:1979 Caseins and caseinates; Determination of pH (Reference method)
  • ISO 21415-2:2006 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
  • ISO 21415-2:2015 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten and gluten index by mechanical means
  • ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
  • ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference 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 5547:2008 | IDF 91:2008 Caseins — Determination of free acidity (Reference method)
  • ISO 5545:2008|IDF 90:2008 Determination of abomasal casein and caseinate ash (reference method)

British Standards Institution (BSI)

  • BS ISO 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
  • BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • 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 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 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
  • BS ISO 5546:2010 Caseins and caseinates - Determination of pH (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 ISO 17997-1:2005 Milk - Determination of casein-nitrogen content - Indirect method (Reference method)
  • 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 ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference 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 EN 15948:2015 Cereals. Determination of moisture and protein. Method using Near-Infrared-Spectroscopy in whole kernels
  • BS ISO 5544:2008 Caseins - Determination of "fixed ash" (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 EN 15948:2012 Cereals. Determination of moisture and protein. Method using Near-Infrared- Spectroscopy in whole kernels
  • BS ISO 17997-2:2004 Milk. Determination of casein-nitrogen content - Direct method
  • BS EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method
  • BS ISO 5547:2008 Caseins - Determination of free acidity (Reference method)

IN-BIS

  • IS 11888-1987 Method for determination of charred particle content in casein and caseinates
  • IS 11963-1987 Photometric method for determination of lactose content in casein and caseinate
  • IS 11962-1987 Method for determination of ash content in chymosin casein and caseinate (reference method)
  • IS 7481-1974 How to measure protein efficiency ratio (PER)
  • IS 7219-1973 Methods for determination of protein in food and feed
  • IS 11964-1987 Method for determination of free acidity in casein (reference method)

GSO

  • BH GSO ISO 5543:2016 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
  • OS GSO ISO 5543:2015 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
  • NB/SH/T 0966-2017 Determination of aromatics content in white oil - UV spectrophotometry
  • GSO ISO 5543:2015 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
  • OS GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
  • GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
  • GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
  • OS GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
  • GSO 2505:2016 Method of tests for soya protein products
  • OS GSO 2505:2016 Method of tests for soya protein products
  • 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 ISO 5544:2015 Caseins -- Determination of " fixed ash " (Reference method)
  • 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)
  • BH GSO ISO 23319:2023 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
  • GSO ISO 23319:2023 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
  • BH GSO ISO 11264:2016 Soil quality -- Determination of herbicides -- Method using HPLC with UV-detection
  • OS GSO ISO 11264:2014 Soil quality -- Determination of herbicides -- Method using HPLC with UV-detection

International Electrotechnical Commission (IEC)

  • IEC 61228:1996 Method of measuring and specitying the UV-radiation of ultraviolet lamps used for sun-tanning
  • IEC 61228:1993 Method of measuring and specifying the UV-radiation of ultraviolet lamps used for sun-tanning
  • IEC 61228/AMD1:1996 Method of measuring and specifying the UV-radiation of ultraviolet lamps used for sun-tanning; Amendment 1

CEN - European Committee for Standardization

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

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)

Danish Standards Foundation

  • 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

Lithuanian Standards Office

  • LST ISO 5543:2004 Caseins and caseinates. Determination of fat content. Gravimetric method (Reference method) (idt ISO 5543:2004)
  • LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
  • LST ISO 5548:2004 Caseins and caseinates. Determination of lactose content. Photometric method (idt ISO 5548:2004)
  • LST ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method) ( ISO 5546:2010, identical)

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 ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
  • UNE-EN 15948:2021 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels

RO-ASRO

  • STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content
  • SR 5546-1997 Caseins and caseinates - Determination of pH (Reference method)
  • STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
  • SR ISO 5549:1996 Caseins and caseinates - Determination of protein content (Reference method)

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

European Committee for Standardization (CEN)

  • 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 15948:2015 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
  • EN ISO 21415-2:2008 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means

HU-MSZT

VN-TCVN

  • TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein 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 7871-4-2008 Wheat and wheat ftour.Gluten content.Part 4: Determination of dry gluten from wet gluten by a rapid drying method
  • TCVN 7871-2-2008 Wheat and wheat flour.Gluten content.Part 2: Determination of wet gluten by mechanical means
  • TCVN 5537-1991 Sweetened condensed milk.Determination of total protein content

YU-JUS

NL-NEN

  • NEN 3145-1966 Feeding stuffs. Methodsof analysis. Determination of crude protein

ZA-SANS

  • SANS 21572:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods

PT-IPQ

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

AENOR

  • UNE 64012:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF RAW PROTEIN. MACROMETHOD.
  • UNE-EN 61228:2008 Method of measuring and specifying fluorescent ultraviolet lamps used for tanning

American Society for Testing and Materials (ASTM)

Protein Quantitative Detection Method,Detection of protein by UV method,Methods for Quantitative Detection of Proteins,Specific protein quantitative detection method,Protein UV detection method,Detection method for protein quantification,Protein Quantitative Detection Method,Protein Quantitative Detection Method

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