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Principle of Determination of Total Protein

Principle of Determination of Total Protein, Total:184 items.

The international standard classification for "Principle of Determination of Total Protein" includes: Laboratory medicine , Medical equipment , Animal feeding stuffs , food products in general , Tobacco, tobacco products and related equipment .

The Chinese standard classification for "Principle of Determination of Total Protein" includes: Medical laboratory equipment , Livestock and poultry feed and additive , Food sanitation , Tobacco .


Professional Standard - Medicine

Group Standards of the People's Republic of China

  • T/FDSA 0050-2024 Method for determination of the bioavailability of oral collagen protein
  • T/SHNX 001-2025 Determination of lactoferrin, α-lactalbumin and β-lactoglobulin in raw bovine milk by liquid chromatography-tandem mass spectrometry
  • T/ZGKSL 009-2023 Test method for determination of collagen secreted from human cells induced by recombinant collagen
  • T/ZGKSL 010-2023 Test method for absorption of recombinant collagen through the skin

Professional Standard - Agriculture

  • NY/T 3493-2019 Agricultural biomass raw materials. Determination of crude protein
  • NY/T 3801-2020 Determination of acid-soluble protein in feed materials

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

  • GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
  • GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
  • 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 5009.5-2003 Determination of protein in foods
  • BJS 201915 Determination of casein content in milk-containing beverages and their milk raw materials

Professional Standard - Tobacco

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

Shanxi Provincial Standard of the People's Republic of China

  • DB14/T 3007-2024 Raw materials for cosmetics: identification of recombinant humanized collagen

Hebei Provincial Standard of the People's Republic of China

Spanish Association for Standardization (UNE)

  • UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
  • UNE 64011:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF THE RAW PROTEIN
  • UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
  • UNE 64063:1978 MIXED FEEDS AND RAW MATERIAL. DETERMINATION OF THE ACIDITY OF PEPSINE.
  • UNE 64012:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF RAW PROTEIN. MACROMETHOD.

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 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
  • DIN 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic method
  • DIN 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
  • DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • DIN 10470 E:2010 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • DIN 10470:1999-07 Determining of whey protein content and casein content in total protein of milk and milk products by derivative spectroscopy
  • DIN 10470 E:2010-05 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic 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 10454:1983-03 Determination of protein content of caseins and caseinates; reference method
  • DIN 58906-1:2000-03 Haemostaseology - Determination of fibrinogen concentration - Part 1: Reference measurement procedure for the determination of clottable fibrinogen as described by Clauss
  • DIN 10456:1989-04 Determination of pH of caseins and caseinates; reference method
  • DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference method)
  • 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 58924:2022 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
  • 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 58924:2021 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
  • 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 ISO 5550 E:2020-06 Caseins and caseinates - Determination of moisture content (Reference method)
  • DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
  • DIN 10453:1983-03 Determination of water content of caseins and caseinates; reference method
  • DIN 10452:1983-03 Determination of ash of rennet caseins and caseinates; reference method
  • DIN 58924:2022-05 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
  • DIN ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

  • TCVN 4593-1988 Canned foods.Determination of total protein
  • TCVN 5537-1991 Sweetened condensed milk.Determination of total protein content
  • TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

National Standardisation Body (ASRO)

  • STAS 6283/4-1984 CEREALS Determination of raw protein content
  • STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
  • STAS 9065/4-1981 MEAT AND MEAT PRODUCTS Determination of total proteins
  • STAS SR 4895-6-1997 Tobacco and tobacco prodocts Determination of total proteins content (albumines)
  • STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content
  • STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content

Ente Nazionale Italiano di Unificazione

  • UNI 22632:2002 Oilseeds - Vegetable proteins content - Determination of total proteins (biuret method)
  • UNI 22609:1992 Seed and vegetable oils and derived products. Vegetable proteins. Determination of total residue hexane in protein substances.

British Standards Institution (BSI)

  • BS ISO 23893-3:2013 Water quality. Biochemical and physiological measurements on fish. Determination of vitellogenin
  • BS EN ISO 8968-1:2014 Milk and milk products. Determination of nitrogen content. Kjeldahl principle and crude protein calculation
  • 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 21415-4:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by a rapid drying 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
  • BS ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
  • 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 21415-3:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by an oven drying method
  • BS ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • BS 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry

Gosstandart of Russia

  • GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
  • GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
  • GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
  • GOST 28075-1989 Vegetable fodder. Method for the determination of crude protein splitting
  • GOST R 51465-1999 Caseins and caseinates. Determination of scorched particles content
  • GOST 28074-1989 Vegetable fodder. Method for the determination of crude protein solubility
  • GOST R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
  • GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
  • GOST 31978-2012 Caseins and caseinates. Method for determination of pH
  • 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 51423-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of soluble nitrogen fraction of total mass after treatment with pepsin in dilute hydrochloric acid

European Committee for Standardization (CEN)

  • EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen 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 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 8968-1:2001 Milk - Determination of Nitrogen Content - Part 1: Kjeldahl Method

International Organization for Standardization (ISO)

  • ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
  • ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
  • ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: Determination of vitellogenin
  • ISO 5546:1979 Caseins and caseinates; Determination of pH (Reference method)
  • ISO 5739:1983 Caseins and caseinates; Determination of scorched particles content
  • ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
  • ISO 5546:2010 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 5546:2010 | IDF 115:2010 Caseins and caseinates — Determination of pH (Reference method)
  • 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 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
  • 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 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric method
  • ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • ISO 5550:1978 Caseins and caseinates; Determination of water content (Reference method)
  • 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 5550:2006 | IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
  • ISO 5545:2008|IDF 90:2008 Determination of abomasal casein and caseinate ash (reference method)
  • ISO 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric method

Danish Standards Foundation

  • DS/ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: Determination of vitellogenin
  • DANSK DS/ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: Determination of vitellogenin
  • DANSK DS/EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
  • DANSK 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

Korean Agency for Technology and Standards (KATS)

  • 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 ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
  • KS H ISO 8195-2006 Caseins and caseinates-Determination of nitrate and nitrite contents-Method by cadmium reduction and spectrometry
  • 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 5546:2021 Caseins and caseinates — Determination of pH(Reference method)
  • KS H ISO 5550-2007(2021) Caseins and caseinates-Determination of moisture content(Reference method)
  • KS H ISO 5739-2021 Caseins and caseinates — Determination of scorched particles content
  • 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 8195-2001 Caseins and caseinates-Determination of nitrate and nitrite contents-Method by cadmium reduction and spectrometry
  • KS H ISO 5546-2006(2016) Caseins and caseinates-Determination of pH(Reference method)
  • KS H ISO 5546-2021 Caseins and caseinates — Determination of pH(Reference method)
  • KS H ISO 5546:2006 Caseins and caseinates-Determination of pH(Reference method)
  • KS H ISO 5550-2007(2012) Caseins and caseinates-Determination of moisture content(Reference method)
  • KS H ISO 5550:2007 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 5550-2021 Caseins and caseinates-Determination of moisture content(Reference method)
  • KS H ISO 5548:2006 Caseins and caseinates-Determination of lactose content-Photometric method
  • KS H ISO 5545:2021 Rennet caseins and caseinates —Determination of ash(Reference method)
  • KS H ISO 5548-2020 Caseins and caseinates-Determination of lactose content-Photometric method
  • KS H ISO 5545:2006 Rennet caseins and caseinates-Determination of ash(Reference method)
  • KS H ISO 5545-2006(2016) Rennet caseins and caseinates-Determination of ash(Reference method)

GCC Standardization Organization

  • GSO ISO 23893-3:2015 Water quality -- Biochemical and physiological measurements on fish -- Part 3: Determination of vitellogenin
  • GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference 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
  • GSO ISO 16634-1:2015 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

Association Francaise de Normalisation

  • NF ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: vitellogenin dosage
  • NF T90-336-3*NF ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: determination of vitellogenin
  • NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
  • NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
  • NF V04-384*NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method).
  • NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • NF V04-388*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 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 ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method
  • NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
  • NF EN ISO 16634-1:2008 Food products - Determination of total nitrogen content by combustion according to the Dumas principle and calculation of crude protein content - Part 1: oilseeds and animal feed

The Directorate General of Specifications and Metrology (DGSM)

  • OS GSO ISO 23893-3:2015 Water quality -- Biochemical and physiological measurements on fish -- Part 3: Determination of vitellogenin
  • OS GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
  • OS GSO ISO 8968-1:2014 Milk and milk products -- Determination of nitrogen content -- Part 1: Kjeldahl principle and crude protein calculation
  • OS GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
  • OS GSO ISO 16634-1:2015 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
  • OS GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)

Kingdom of Bahrain Testing and Metrology Directorate

  • BH GSO ISO 23893-3:2017 Water quality -- Biochemical and physiological measurements on fish -- Part 3: Determination of vitellogenin
  • BH GSO ISO 5546:2016 Caseins and caseinates -- Determination of pH (Reference method)
  • BH GSO ISO 16634-1:2017 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

Clinical and Laboratory Standards Institute

  • NCCLS H30-A2-2001 Procedure for the Determination of Fibrinogen in Plasma; Approved Guideline—Second Edition

Austrian Standards

Czech Standards Institute (UNMZ)

  • CSN 57 0111-3-2002 Testing methods for casein and caseinates - Determination of moisture
  • CSN 57 0111-7-2002 Testing methods for casein and caseinates - Determination of ash
  • CSN 57 0111-12-2002 Testing methods for casein and caseinates - Determination of pH
  • CSN 57 0111-8-2002 Testing methods for casein and caseinates - Determination of titratable acidity
  • 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

Lithuanian Standards Office

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

International Dairy Federation (IDF)

  • IDF 20-1-2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
  • IDF 90-2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)

Standard Association of Australia (SAA)

  • AS ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation

Bureau of Indian Standards

  • IS 11888-2005 Casiens And Caseinated - Determination Of Contents Of Scorched Particles And Of Extraneous Matter
  • IS 11963-2005 Caeins and Caseinates - Determination of Lactose Content - Photometric Method
  • IS 11920-2012 Cassein and Caseinates -Determination of Moisture Content (Reference Method)
  • IS 11917-2018 Milk and Milk Products —— Determination of Nitrogen Content —— Kjeldahl Principle and Crude Protein Calculation ( First Revision )