protein fixative

protein fixative, Total:331 items.

The international standard classification for "protein fixative" includes: Laboratory medicine , Medical equipment , Protection against crime , Food additives , Animal feeding stuffs , food products in general , Edible oils and fats. Oilseeds , Fruits. Vegetables , Oilseeds , Diagnostic equipment , Milk and milk products in general , Man-made fibres , Medical Sciences and health care facilities in general , Tobacco, tobacco products and related equipment .

The Chinese standard classification for "protein fixative" includes: Medical laboratory equipment , Fire-fighting equipment and devices , Crime judging technology , Other fermented goods , Livestock and poultry feed and additive , Food sanitation , Oil crop and product , Basic standards and general methods , Other cash crops , Food processing and products in general , Synthetic food additives , Basic standard and general method on forestry , Melon, fruit and vegetable planting and product , Grease and oil processing and products , Medical apparatus and devices in general , Cereal crop and product , Milk and dairy products , Chemical fibre in general , Chemical fibre , Foods fermentation and brewing in general , Sanitation in general , Tobacco .

Professional Standard - Medicine

YY/T 1216-2020 Alpha-fetoprotein testing kit
YY/T 1594-2018 Anti-TG quantitative labelling immunoassay kit
YY/T 1461-2016 Ischemia-modified albumin test reagent
YY/T 1722-2020 Prealbumin testing kit (immune turbidity method)
YY/T 1228-2014 Albumin test reagent kit
YY/T 1448-2016 Lipoprotein(a) test reagent
YY/T 1159-2009 Fibrinogen reagent(Kit)
YY/T 1790-2021 Fibrin/fibrinogen degradation products testing kit(Iatex immunoturbidimetry)
YY/T 1450-2016 Apolipoprotein A-I test reagent
YY/T 1528-2017 Myoglobin assay kit(immunoturbidimetric method)
YY/T 1584-2018 Retinol binding protein testing kit(immune turbidity method)
YY/T 1578-2018 Glycated albumin assay kit(enzymatic method)
YY/T 1442-2016 β2—Microglobulin quantitative detection reagents(kit)
YY/T 1253-2015 Low density lipoprotein(LDL) cholesterol assay kit
YY/T 1880-2022 Serum amyloid A testing kit
YY/T 1456-2016 Human ferritin quantitative test reagent
YY/T 1216-2013 Alpha-fetoprotein quantitative labelling immunoassay kit
YY/T 1672-2019 PG Ⅰ/Ⅱ testing kit
YY/T 1969-2025 Microalbumin Determination Reagent Kit (Immunoturbidimetry Method)
YY/T 1421-2016 Apolipoproteia B test reagent
YY/T 1254-2015 High density lipoprotein(HDL)cholesterol assay kit
YY/T 1444-2016 Total protein test reagent
YY/T 1513-2017 C-reactive protein testing kit

Professional Standard - Public Safety Standards

GA/T 52-1993 Quality grading for protein-foam fire extinguishing agent and fluoroprotein-foam fire extinguishing agent
GA 472-2004 Serum product of anti-human hemoglobin

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

GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB 8856-1988 Method for Determination of Crude Protein in Fruit and Vegetable Products
GB/T 17811-2025 Determination of pepsin digestibility for animal-derived protein feeds—Filtration method
GB/T 35809-2018 Method for analysis of forestry biomass—Determination of protein content
GB/T 14489.2-2008 Inspection of grain and oils—Determination of crude protein in oilseeds
GB/T 38172-2019 Protein A affinity chromatographic medium
GB/T 5009.5-1985 Method for determination of protein in foods
GB/T 14771-1993 Method for determination of protein content in foods
GB/T 23527.1-2023 Quality requirements for enzyme preparations—Part 1：Protease preparations
GB/T 14489.2-1993 Method for determination of crude protein in oilseed
GB/T 5009.5-2003 Determination of protein in foods
GB 10797-1989 Food additive--Sodium caseinate
GB/T 21498-2008 Determination of trypsin inhibitor activity of soya products
GB/T 23527-2009 Proteinase preparations
GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products

Hebei Provincial Standard of the People's Republic of China

DB13/T 1098-2009 Determination of protein in feed
DB13/T 812-2006 Determination of protein solubility in soybeans and their products

Group Standards of the People's Republic of China

T/SHNX 001-2025 Determination of lactoferrin, α-lactalbumin and β-lactoglobulin in raw bovine milk by liquid chromatography-tandem mass spectrometry
T/SZBX 017-2021 Protein A affinity chromatographic medium
T/QGCML 4464-2024 Protein sample storage device
T/ESL 22003-2023 Guideline for formulation of laying hens diet with low protein content
T/BEA 43001-2025 Lipoprotein classification assay kit (gradient gel electrophoresis)
T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed
T/ZGCIT 008-2024 Low protein total nutritional supplements for the treatment of kidney
T/SZAS 40-2021 Dataset of proteomics
T/ZJDAIR 001-2023 α1-Microglobulin Testing Kit(Immune turbidity Method)
T/CIET 350-2024 Quality requirements for collagen casings
T/ZGKSL 012-2023 Quality requirements for collagen products
T/CSBME 026-2021 Myoglobin Quantitative Assay （Kit） (fluorescence immunochromatography)

Professional Standard - Agriculture

NY/T 2659-2014 Rapid determination of fat,protein,lactose and total solids in milk—Infrared spectrometry
NY/T 3493-2019 Agricultural biomass raw materials. Determination of crude protein
220药典三部-2020 Content Determination Method 0731 Protein Content Determination Method
176药典三部-2010 Appendix Ⅵ ⅥB protein assay
111药典四部-2015 0700 Other Determination Methods 0731 Determination of Protein Content
201药典三部-2015 Content Determination Method 0731 General Principles of Protein Content Determination Method 50
2330药典二部-2010 Appendix VII M Determination of protein content
NY/T 520-2002 Quality protein maize
92药典四部-2020 0700 Other Determination Methods 0731 Determination of Protein Content

Professional Standard - Ministry of Public Security Logo

GN 13-1982 Technical conditions of protein foam fire extinguishing agent and fluoroprotein foam fire extinguishing agent
GN 14-1982 Test methods for protein foam fire extinguishing agents and fluoroprotein foam fire extinguishing agents

Taiwan Provincial Standard of the People's Republic of China

CNS 2770-5-1986 Method of Test for Feeds : Determination of Crude Protein
CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude Protein
CNS 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein
CNS 3449-2007 Method of test for milk and milk products - Determination of protein
CNS 2713-1978 Method for Determining of Digest Protein of Feather Meal

Professional Standard - Textile

FZ/T 50018-2013 Determination of the protein content of the protein viscose fiber
FZ/T 54029-2010 Protein viscose filament yarns
FZ/T 54028-2010 Protein viscose staple fiber

Professional Standard - Light Industry

QB/T 1806-1993 Alkali Proteinase for Detergent
QB 1806-1993 Alkali Proteinase for Detergent
QB/T 1805.3-1993 Proteinase for industrial use
QB 1805.3-1993 Proteinase for industrial use
QB/T 3800-1999 Food additive - Sodium caseinate

Professional Standard - Hygiene

WS/T 410-2013 Mearuements of serum high density lipoprotein cholesterol

未注明发布机构

FORD M4R55-A-1990 GLUTRIN - WATER SOLUBLE BINDER

Jilin Provincial Standard of the People's Republic of China

DB22/T 1818-2013 Determination of urea-formaldehyde polymer in protein feed

Professional Standard - Commodity Inspection

SN/T 3926-2014 Determination of protein content in dairy foods,egg foods and soy foods for export - Coomassie brilliant blue method

Professional Standard - Tobacco

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

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

Gosstandart of Russia

GOST 20264.2-1988 Enzyme preparations. Methods for determination of proteolytic activity
GOST R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction
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 ISO 8968-4-2021 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)..
GOST ISO 5548-2016 Caseins and caseinates. Photometric method for determining the mass fraction of lactose
GOST R 57476-2017 Bird food protein. Specifications
GOST R 53213-2008 Meat and meat products. Histological method of identification of plant protein additives
GOST 26502-1985 Proten-vitamin and amide-vitamin additives. Specifications
GOST 25011-1981 Meat and meat products. Methods of protein determination
GOST 25179-2014 Milk and milk products. Method for determination of protein
GOST R 53974-2010 Enzyme preparations for food industry. Method for determination of proteolitic activity
GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
GOST 25011-2017 Meat and meat products. Protein determination methods
GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method
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 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
GOST R 57475-2017 Dried egg protein after extraction lysozyme. Specifications
GOST ISO 5550-2017 Caseins and caseinates. Determination of moisture content (Reference method)
GOST R 51465-1999 Caseins and caseinates. Determination of scorched particles content
GOST R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
GOST 13496.4-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13496.4-2019 Fodder, мixed fodder and raw mixed fodder. Methods of nitrogen and crude protein determination
GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13979.3-1968 Oilcakes oil-meals. Methods of determination of soluble proteins

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

TCVN 5461-1991 Synthetic detergents.Determination of proteinous activity

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 5544:2008 | IDF 89:2008 Caseins — Determination of " fixed ash " (Reference method)
ISO 5544:1978 Caseins; Determination of " fixed ash " (Reference method)
ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 5544:2008|IDF 89:2008 Determination of "fixed ash" of casein (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 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
ISO 5544:2008 Caseins - Determination of " fixed ash " (Reference method)
ISO 15323:2002|IDF173:2002 Determination of nitrogen solubility rate of milk powder protein products
ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
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 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 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)

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 5549-2021 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 1204-2012 Testing method for crude proteins content
KS H 1204-2001 Testing method for crude proteins content
KS H ISO 5544:2021 Caseins — Determination of “fixed ash”(Reference method)
KS H ISO 5544:2006 Caseins－Determination of “fixed ash”(Reference method)
KS M 8315-2006(2011) Casein(from milk)
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H ISO 5544-2021 Caseins — Determination of “fixed ash”(Reference method)
KS H 1204-2022 Testing method for crude proteins content
KS H ISO 5544-2006(2016) Caseins－Determination of “fixed ash”(Reference method)
KS J 4205-2018 Methods for quantitative analysis of immobilized trypsin
KS J 4205-2023 Methods for quantitative analysis of immobilized trypsin
KS M 3703-1985(2001) CASEIN ADHESIVE POWDERS FOR WOOD
KS M 3703-1985 CASEIN ADHESIVE POWDERS FOR WOOD
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 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 J 4201-2023 Methods for quantitative analysis of serum albumin
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 K ISO 20418-3-2023 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 3: Peptide detection using LC-MS without protein reduction
KS H ISO 5548:2020 Caseins and caseinates－Determination of lactose content－Photometric method

National Standardisation Body (ASRO)

STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content
STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
STAS 6182/44-1977 WIN E Determination of proteins
STAS 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion
STAS SR 4895-6-1997 Tobacco and tobacco prodocts Determination of total proteins content (albumines)
STAS 6514-1975 FISH AND FISH PRODUCTS Determination of total proteic matters

German Institute for Standardization

DIN 10454:1983-03 Determination of protein content of caseins and caseinates; reference 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 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 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN ISO 5544:2020-12 Caseins - Determination of "fixed ash" (Reference method) (ISO 5544:2008)
DIN ISO 5544 E:2020-06 Caseins - Determination of "fixed ash" (Reference method)
DIN 10451:1983-03 Determination of "fixed ash" of caseins; reference method
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 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-...
DIN 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
DIN 10456:1989-04 Determination of pH of caseins and caseinates; reference method
DIN EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference method)
DIN ISO 5544:2020-06 Draft Document - Caseins - Determination of "fixed ash" (Reference method) (ISO 5544:2008); Text in German and English
DIN ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
DIN 10470:2011-07 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

Standard Association of Australia （SAA）

AS K89:1953 Protein adhesives for plywood
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 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)

Austrian Standards

ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
ONORM DIN 10456-1993 Determination of pH of caseins and caseinates - Reference method

Ente Nazionale Italiano di Unificazione

UNI 22632:2002 Oilseeds - Vegetable proteins content - Determination of total proteins (biuret method)
UNI 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)
UNI 22604:1992 Seed and vegetable oils and derived products. Vegetable proteins. Determination of crude protein.
UNI 22629:2002 Oilseeds - Vegetable proteins content - Determination of soluble proteins (Bradford method)
UNI 7163:1979 Ready-mix concrete
UNI 22609:1992 Seed and vegetable oils and derived products. Vegetable proteins. Determination of total residue hexane in protein substances.
UNI EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Determination of protein- nitrogen content
UNI 10689:1997 Durum wheat cariopsis. Mechanical determination of the dry gluten content.
UNI 22617:1992 Seed and vegetable oils and derived products. Vegetable proteins. In vitro determination of pepsin digestible proteins.
UNI EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Determination of non-protein nitrogen content

Lithuanian Standards Office

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

Society of Automotive Engineers (SAE)

SAE AMS1800-2011 FOAM, FIRE EXTINGUISHING LIQUID Protein and Fluoroprotein
SAE AMS1800B Foam, Fire Extinguishing Liquid Protein and Fluoroprotein
SAE AMS1800 Foam, Fire Extinguishing Liquid Protein and Fluoroprotein
SAE AMS1800A Foam, Fire Extinguishing Liquid Protein and Fluoroprotein

Bureau of Indian Standards

IS 11888-2005 Casiens And Caseinated - Determination Of Contents Of Scorched Particles And Of Extraneous Matter
IS 18836-2024 Milk and Milk Products - Determination of Nitrogen Content - Determination of Protein and Non-Protein Nitrogen Content and True Protein Content Calculation (Reference Method)
IS/ISO 11919-2012 Caseins —— Determination of "Fixed Ash"Â (Reference Method)
IS 7481-1974 How to measure protein efficiency ratio (PER)
IS 9095-1979 Specifications for protein gummies
IS 7482-1989 Protein Drinks—Specifications
IS 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers
IS 1167-1965 Casein specifications (food quality)
IS 11919-1987 Method For Determination Of Fixed Ash In Caseins (reference Method)
IS 7219-1973 Methods for determination of protein in food and feed
IS 8665-1977 Specification for protein fortified bread
IS 849-1994 Cold setting casein glue for wood-specification
IS 7021-1973 Specifications for protein-rich food supplements for infants and preschool children
IS 13650-1993 Glass containers for proteinized food
IS 7487-1986 Specifications for protein-rich cookies
IS 11963-2005 Caeins and Caseinates - Determination of Lactose Content - Photometric Method

Czech Standards Institute (UNMZ)

CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 56 0186 Cast.12-1981 Testing methods for beer. art 12. etermination of proteins
CSN 57 0111-3-2002 Testing methods for casein and caseinates - Determination of moisture
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 0111-7-2002 Testing methods for casein and caseinates - Determination of ash

Cuban Institute of Standards and Metrology

NC 86-05-1984 Cereals. Flours Determination of Protein
NC 74-28-1985 Cattle-Raising. Animal Feeding. Determination of Rough Protein

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 V04-391*NF ISO 5544:2008 Caseins - Determination of "fixed ash" (Reference method)
NF V04-391:1985 Caseins. Determination of "fixes ash" (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 5544:2008 Caseins - Determination of "fixed ashes" (Reference method)
NF V03-944:2021 Protein seeds - Peas, broad beans and fava beans - Determination of impurities
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
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 EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of certain animal fibers - Part 3: detection of peptides by LC-MS without protein reduction
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 G06-006-4:2006 Textiles - Quantitative chemical analysis - Part 4 : mixtures of certain protein and certain other fibres (method using hypochlorite).

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 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
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 ISO 5544:2008 Caseins - Determination of "fixed ash" (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 15323:2002 Dried milk protein products. Determination of nitrogen solubility index
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
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 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
BS 3985:1978 Specification for cyanmethaemoglobin (haemiglobincyanide) solution for photometric haemoglobinometry
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 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods

Kingdom of Bahrain Testing and Metrology Directorate

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)
BH GSO ISO 5546:2016 Caseins and caseinates -- Determination of pH (Reference method)

GCC Standardization Organization

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)
GSO 2101:2010 Protein-Rich concentrated Nutrient Supplementary foods
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)

BELST

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

South African Bureau of Standard

CKS 458-2008 Protein, vitamin, mineral (PVM) supplementary food mixture
SANS 6039:2005 Amylaceous and proteinaceous matter detection in wood adhesives

Polski Komitet Normalizacyjny (PKN)

PN P04901-1987 Determination of keratin matters solubility in reagents for chemical damage characterictic
PN C04288-14-1987 Technical fats Methods of testing Determination of protein content

Spanish Association for Standardization (UNE)

UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
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 34-871-1986 Processed cheese. Determination of protein content
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)
AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION
AENOR UNE 77059:2002 Water quality. Determination of aluminum. Colorimetric method with eriochromocyanin R.
UNE 34871:1986 PROCESSED CHEESE PRODUCTS. DETERMINATION OF THE PROTEIN CONTENT.
UNE 64011:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF THE RAW PROTEIN

Danish Standards Foundation

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)
DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
DS 2253:1983 Water quality. Determination of aerobic proteclytic bacteria at 30 centigrades

Magyar Szabványügyi Testület

MNOSZ 6832-1952 Feed desiccant, hardener and digestible protein content
MSZ 21340-1980 animal protein feed
MNOSZ 17619-1954 Definition of the concept of protein content in preserved foods
MSZ KGST 1422-1978 Determination of protein content of phosphorus and phosphorus inorganic mixtures

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 D4689-99 Standard Specification for Adhesive, Casein-Type
ASTM D4689-99(2005) Standard Specification for Adhesive, Casein-Type
ASTM D4689-12 Standard Specification for Adhesive, Casein-Type
ASTM F830-83 Method for preparing meat, by-products and meat products for determining protein efficiency ratio or net protein ratio
ASTM D4689-12(2024) Standard Specification for Adhesive, Casein-Type

Standards Norway

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)

International Dairy Federation (IDF)

IDF 89-2008 Caseins - Determination of "fixed ash" (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)

Swedish Institute for Standards

SS-EN ISO 8968-4:2017 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) (ISO 8968-4:2016)

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)

Canadian General Standards Board （CGSB)

CAN/CGSB-106.5-1995 Blood grouping reagents and anti-human globulin reagents

Argentine Institute of Standardization

IRAM 15 707-1963 How to measure plant protein in food

Clinical and Laboratory Standards Institute

CLSI C64-2021 Quantitative Measurement of Proteins and Peptides by Mass Spectrometry

Portuguese Institute of Quality

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

Indonesia Standards

SNI 08-0987-1989 Cara identifikasi zat warna pada serat protein
SNI 14-1038-1989 Kertas dan karton, Cara uji kualitatip kasein dan protein kedelai
SNI 8074:2022 Flour extract of albumin from snakehead fish (Channa striata) as a source of albumin - Quality requirements and processing

American Water Works Association (AWWA)

AWWA WQTC65752 Protein Assay in Drinking Water and Reclaimed Water

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
OS GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method

Swiss Association for Standardization (SNV)

SN 210 100-1987 Technical drawings - Sizes and layout of drawing sheets