protein centrifugation

protein centrifugation, Total:344 items.

The international standard classification for "protein centrifugation" includes: Rubber , Man-made fibres , Animal and vegetable fats and oils , Processes in the food industry , Animal feeding stuffs , food products in general , Edible oils and fats. Oilseeds , Textiles in general , Fruits. Vegetables , Biology. Botany. Zoology , General methods of tests and analysis for food products , Latex and raw rubber , Cereals, pulses and derived products , Food additives , Laboratory medicine .

The Chinese standard classification for "protein centrifugation" includes: Cereal crop and product , Forestry chemical raw material , Chemical fibre in general , Chemical fibre , Grease and oil processing and products , Livestock and poultry feed and additive , Food sanitation , Oil crop and product , Basic standards and general methods , Basic standards and general methods , Other cash crops , Food processing and products in general , Environmental Condition and General Test Method , Cereal crop and forage crop in general , Basic standards and general methods , Medical and foodstuff rubber products , Basic standard and general method on forestry , Grain processing and products , Basic Subject in general , Other fermented goods , Fire-fighting equipment and devices , Sanitation in general , Medical laboratory equipment , Special foods in general .

Professional Standard - Agriculture

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
NY/T 1813-2009 Natural rubber latex concentrate Centrifuged low protein,ammonia-preserved types-technical rules for production
NY/T 520-2002 Quality protein maize
92药典四部-2020 0700 Other Determination Methods 0731 Determination of Protein Content
2330药典二部-2010 Appendix VII M Determination of protein content
NY/T 732-2003 Natural rubber latex concentrate - Low protein,ammonia - Preserved types
NY/T 3493-2019 Agricultural biomass raw materials. Determination of crude protein

Professional Standard - Textile

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

Group Standards of the People's Republic of China

T/DYZL 008-2019 Immune Immune milk protein powder—Immunoglobulin（IgG）
T/CASME 378-2023 Technical specifications for the isolation and purification of lactobacillus curvatus protease
T/AHFIA 107-2023 β-casein
T/AHFIA 109-2023 β- La in type whey protein powder
T/AHFIA 106-2023 β-lactoglobulin
T/AHFIA 108-2023 α-lactalbumin type whey protein powder
T/QGCML 2186-2023 Soy peptone
T/DYZL 007-2019 Immune Immune milk protein powder—β-Lactoglobulin
T/QGCML 1452-2023 Crushed egg whites
T/ZGKSL 012-2023 Quality requirements for collagen products
T/ZGKSL 002-2022 General quality requirements for collagens oligopeptides Elastin peptide
T/QGCML 2180-2023 Western Blot detection technical specifications
T/CHC 1010-2023 Elastin peptide
T/AHFIA 110-2023 β-casein type casein
T/QGCML 4464-2024 Protein sample storage device
T/CRIA 19004-2023 Concentrated natural rubber latex low protein latex specifications
T/SHNX 001-2025 Determination of lactoferrin, α-lactalbumin and β-lactoglobulin in raw bovine milk by liquid chromatography-tandem mass spectrometry
T/HNIMA 005-2025 Centrifuge for water quality
T/SZBX 017-2021 Protein A affinity chromatographic medium
T/CEAC 100-2024 Hydrolyzed whey protein
T/CIET 350-2024 Quality requirements for collagen casings
T/SZAS 40-2021 Dataset of proteomics
T/ZPP 047-2023 albumin oligopeptide
T/SHZSAQS 00329-2024 Technical Specifications for the Separation of Fine-wool Sheep Serum Protein by Two-dimensional Electrophoresis
T/CSTM 00995-2024 Human whole blood — Content of glycosylated hemoglobin HbA1C — Matrix-assisted laser desorption ionization–time of flight mass spectrometry
T/AHFIA 105-2023 α-lactalbumin
T/CCOA 14-2020 Texturized vegetable protein
T/CMATB 2003-2022 soft-boiled eggs
T/CGCC 43-2020 Vegetable protein glaze
T/ESL 22003-2023 Guideline for formulation of laying hens diet with low protein content
T/DYZL 006-2019 Immune milk protein powder—α-Lactalbumin
T/GDOAA 0007-2022 Albumin peptide nutrient drink
T/NAHIEM 72-2023 Quality requirements for medical collagen products
T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed
T/GZHPSPSA 005-2021 Hydrolyzed casein peptide powder (enzymatic casein peptide powder)
T/GDFPT 0010-2020 Technical specifications for the production of lyophilized protein products（Bean products、Collagen protein products、Egg products）
T/JXSYYXH 0004-2023 Sports nutrition food (protein supplement)
T/CAIA SHO22-2024 Human whole blood — Content of glycosylated hemoglobin HbA1C — Matrix-assisted laser desorption ionization–time of flight mass spectrometry
T/CAAA 017-2019 Camel meat protein powder
T/ESL 22004-2023 Guideline for formulation of broilers diet with low protein content
T/CPPC 1084-2024 Casein Peptides

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

GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 44616-2024 Peanut protein powder
GB/T 5009.5-2003 Determination of protein in foods
GB/T 35809-2018 Method for analysis of forestry biomass—Determination of protein content
GB/T 42699.2-2023 Textiles―Qualitative and quantitative proteomic analysis of some animal hair fibres―Part 2:Peptide detection using MALDI-TOF-MS
GB/T 23527-2009 Proteinase preparations
GB/T 5009.5-1985 Method for determination of protein in foods
GB/T 19495.8-2004 Detection of genetically modified plants and derived products-Protein based methods
GB/T 22493-2008 Soybean protein flour
GB/T 14771-1993 Method for determination of protein content in foods
GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein
GB/T 34793-2017 Proteinase K
GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
GB/T 21870-2008 Medical gloves made from natural rubber latex - Determination of water-extractable protein using the modified Lowry method
GB/T 38792-2020 Technical specification for cytological evaluation of protein allergenicity
GB/T 38172-2019 Protein A affinity chromatographic medium
GB/T 17811-2025 Determination of pepsin digestibility for animal-derived protein feeds—Filtration method
GB/T 14489.2-1993 Method for determination of crude protein in oilseed
GB/T 34800-2017 Detection method of activity and impurity of proteinase K
GB/T 28641-2012 General technical requirement for protein microarray
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method

Professional Standard - Public Safety Standards

GA/T 52-1993 Quality grading for protein-foam fire extinguishing agent and fluoroprotein-foam fire extinguishing agent

Hebei Provincial Standard of the People's Republic of China

DB13/T 812-2006 Determination of protein solubility in soybeans and their products
DB13/T 1098-2009 Determination of protein in feed
DB13/T 1408-2011 High-quality protein corn cultivation technical regulations

Gansu Provincial Standard of the People's Republic of China

DB62/T 2277-2012 Alfalfa Leaf Protein Separation and Extraction Technical Regulations

Taiwan Provincial Standard of the People's Republic of China

CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude Protein
CNS 3282-1998 Dried egg white
CNS 14453-2000 Vegetable protein
CNS 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein
CNS 14452-2000 Soybean protein
CNS 3282-2008 Dried egg white powder
CNS 5035-1986 Method of Test for Crude Protein in Food
CNS 2770-5-1986 Method of Test for Feeds : Determination of Crude Protein
CNS 3449-2007 Method of test for milk and milk products - Determination of protein

Professional Standard - Machinery

JB/T 12964-2016 Fast analyzer for the protein in milk and powder milk

National Metrological Technical Specifications of the People's Republic of China

JJF 2204-2025 Protein Purification Analyzer Calibration Specifications

Professional Standard - Hygiene

WS/T 404.9-2018 Reference intervals for common clinical biochemistry tests Part 9: Serum C-reactive protein, prealbumin, transferrin,β2一microglobulin

Professional Standard - Medicine

YY/T 1233-2024 Cardiac Troponin Assay Kit (Labeled Immunoassay)
YY/T 1590 Heart-type fatty acid binding protein assay kit (immunoturbidimetric method)
YY/T 1228-2014 Albumin test reagent kit
YY/T　0032-2004 hemoglobin meter
YY/T 1221-2013 Cardiac troponiniⅠ(cTnI ) diagnostic kit(Colloid gold method)
YY/T 1151-2009 Protein microarray for in vitro diagnostics

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 0800.3-1999 Cereals and feedstuffs for import and export - Method for the determination of crude protein
SN/T 3926-2014 Determination of protein content in dairy foods,egg foods and soy foods for export - Coomassie brilliant blue method

Henan Provincial Standard of the People's Republic of China

DB41/T 1040-2015 methanol protein

Professional Standard - Light Industry

QB/T 5961-2023 elastin peptide
QB/T 2832-2006 Sports nutrition food Protein supplement
QB/T 5950-2023 yeast protein

Jilin Provincial Standard of the People's Republic of China

DB22/T 294-2020 Method for identification of adulteration of crude protein in corn gluten meal
DB22/T 1818-2013 Determination of urea-formaldehyde polymer in protein feed
DB22/T 2002-2014 Protein Rapid Detector in Milk and Milk Powder

Shandong Provincial Standard of the People's Republic of China

DB37/T 1139-2008 soy protein meat

Inner Mongolia Provincial Standard of the People's Republic of China

DB15/T 3190-2023 Specification for Quality Control of Type A2 β-Casein Raw Milk

Hubei Provincial Standard of the People's Republic of China

DB42/T 276-2003 Phycocyanin Powder

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 8068:1961 Albumin from eggs
JIS K 0604:2000 Proteins -- Monoclonal IgG -- Methods for quantitative analysis
JIS K 8234:1994 Casein (from Milk)
JIS T 4205:1979 Haemometers
JIS K 8234:1961(1994) Casein (Milks)

Society of Automotive Engineers (SAE)

SAE AMS1800B Foam, Fire Extinguishing Liquid Protein and Fluoroprotein
SAE AMS1800-2011 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
SAE AMS1800A-1994 Foam@ Fire Extinguishing Liquid Protein and Fluoroprotein
SAE AMS1800B-2001 Foam@ Fire Extinguishing Liquid Protein and Fluoroprotein

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 0111-1-2002 Testing methods for casein and caseinates - General regulations
CSN 57 0111-12-2002 Testing methods for casein and caseinates - Determination of pH

Korean Agency for Technology and Standards (KATS)

KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
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 5547-2021 Caseins — Determination of free acidity(Reference method)
KS P 1015-2018(2023) Establishment of a reference material and evaluation method for troponin-based cardiovascular diagnostics
KS H ISO 5547:2006 Caseins－Determination of free acidity(Reference method)
KS H ISO 5547-2006(2016) Caseins－Determination of free acidity(Reference method)
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H ISO 5547:2021 Caseins — Determination of free acidity(Reference method)
KS H 1204-2012 Testing method for crude proteins content
KS H 1204-2001 Testing method for crude proteins content
KS H 1204-2022 Testing method for crude proteins content
KS H 1204-2021 Testing method for crude proteins content
KS H ISO 5739-2006(2016) Caseins and caseinates－Determination of scorched particles content
KS P 1015-2012 Establishment of a reference material and evaluation method for troponin-based cardiovascular diagnostics
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 5546:2021 Caseins and caseinates — Determination of pH(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)

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 5547:2008 Caseins - Determination of free acidity (Reference method)
ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 5547:1978 Caseins; Determination of free acidity (Reference method)
ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
ISO 5547:2008|IDF 91:2008 Caseins — Determination of free acidity (Reference method)
ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
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 5547:2008 | IDF 91:2008 Caseins — Determination of free acidity (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 20184-2:2018 Molecular in vitro diagnostic examinations — Specifications for pre-examination processes for frozen tissue — Part 2: Isolated proteins
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 5546:1979 Caseins and caseinates; Determination of pH (Reference method)

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)
AENOR UNE 23053:1971 BLOOD TRANSFUSION. ALBUMIN
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)
UNE 34-871-1986 Processed cheese. Determination of protein content
UNE 34081:1975 ANALYSIS METHODS FOR CHOCOLATES. MILK PROTEINS.
AENOR UNE 77059:2002 Water quality. Determination of aluminum. Colorimetric method with eriochromocyanin R.
AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
UNE 34871:1986 PROCESSED CHEESE PRODUCTS. DETERMINATION OF THE PROTEIN CONTENT.
UNE-EN ISO 20184-2:2019 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for frozen tissue - Part 2: Isolated proteins (ISO 20184-2:2018)
UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION

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 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN 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 10450:1983-03 Determination of free acidity 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 ISO 5544:2020 Caseins - Determination of \
DIN 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
DIN EN ISO 20184-2:2019-06 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for frozen tissue - Part 2: Isolated proteins (ISO 20184-2:2018); German version EN ISO 20184-2:2018
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 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 10456:1989-04 Determination of pH of caseins and caseinates; reference method
DIN CEN/TS 17688-2:2022 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for Fine Needle Aspirates (FNAs) - Part 2: Isolated proteins; German version CEN/TS 17688-2:2021
DIN 10470:1999-07 Determining of whey protein content and casein content in total protein of milk and milk products by derivative spectroscopy
DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference method)

National Standardisation Body (ASRO)

STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content
STAS 6182/44-1977 WIN E Determination of proteins
STAS 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion

Austrian Standards

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

Lithuanian Standards Office

LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
LST ISO 5547:2008 Caseins - Determination of free acidity (Reference method) (ISO 5547:2008, identical)

Swiss Association for Standardization (SNV)

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

Ente Nazionale Italiano di Unificazione

UNI 22632:2002 Oilseeds - Vegetable proteins content - Determination of total proteins (biuret method)
UNI 7163:1979 Ready-mix concrete
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 22609:1992 Seed and vegetable oils and derived products. Vegetable proteins. Determination of total residue hexane in protein substances.
UNI CEN/TS 16827-2:2015 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for FFPE tissue - Part 2: Isolated proteins
UNI EN ISO 20184-2:2019 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for frozen tissue - Part 2: Isolated proteins
UNI CEN/TS 16826-2:2015 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for snap frozen tissue - Part 2: Isolated proteins
UNI 22620:2001 Seed and vegetable oils and derived products - Vegetable proteins - Determination of tryptophan content by ion exchange chromatography
UNI EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Determination of protein- nitrogen content
UNI 22617:1992 Seed and vegetable oils and derived products. Vegetable proteins. In vitro determination of pepsin digestible proteins.
UNI 22620:2022 Oleaginous seeds and fruits and derivatives - Vegetable protein substances- Determination of the tryptophan amino acid content by ion exchange chromatography.
EC 1-2023 UNI 22620:2022 Oleaginous seeds and fruits and derivatives - Vegetable protein substances- Determination of the tryptophan amino acid content by ion exchange chromatography.

Bureau of Indian Standards

IS 8211-1976 Specification for edible soy protein isolate
IS 7482-1989 Protein Drinks—Specifications
IS 8212-1976 Specification for edible peanut protein isolate
IS 9095-1979 Specifications for protein gummies
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 1167-1965 Casein specifications (food quality)
IS 8665-1977 Specification for protein fortified bread
IS 13650-1993 Glass containers for proteinized food
IS 7487-1986 Specifications for protein-rich cookies
IS 11964-2012 Caseins —— Determination of Free Acidity (Reference Method)
IS 6557-1972 Protein Flakes Specifications Not Food Quality
IS 9038-1979 Specification for Renewable Protein Beverages and Food Products
IS 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers
IS 7481-1974 How to measure protein efficiency ratio (PER)
IS 11964-1987 Method for determination of free acidity in casein (reference method)
IS 7219-1973 Methods for determination of protein in food and feed
IS 9487-1980 Specification for "ready-to-eat" protein-rich puffed foods

Magyar Szabványügyi Testület

MSZ 21340-1980 animal protein feed
MNOSZ 448-28.lap-1955 Water testing - amino acid protein testing
MSZ 1183-1979 protein milk powder
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

Gosstandart of Russia

GOST R 57476-2017 Bird food protein. Specifications
GOST R 51468-1999 Caseins. Method for determination of free acidity
GOST R 55296-2012 Low protein macaroni products. General specifications
GOST 25179-1990 Milk. Methods for determination of protein
GOST R 57475-2017 Dried egg protein after extraction lysozyme. Specifications
GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST ISO 5548-2016 Caseins and caseinates. Photometric method for determining the mass fraction of lactose
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 33956-2016 Albumine and pastes from albumin. Specifications
GOST 34621-2019 Foods for special dietary uses. Dry protein, protein-carbohydrate and carbohydrate-protein drinks for sports nutrition. General specifications
GOST R 53493-2009 Albumin dairy. Specifications
GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
GOST 25011-1981 Meat and meat products. Methods of protein determination
GOST 25179-2014 Milk and milk products. Method for determination of protein
GOST 20264.2-1988 Enzyme preparations. Methods for determination of proteolytic activity
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 25011-2017 Meat and meat products. Protein determination methods
GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
GOST 31978-2012 Caseins and caseinates. Method for determination of pH
GOST R ISO 20184-2-2021 Molecular in vitro diagnostic examinations. Specifications for pre-examination processes for frozen tissue. Part 2. Isolated proteins
GOST 31689-2012 Casein. Specifications
GOST R 53667-2009 Casein. Specifications
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
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

Association Francaise de Normalisation

NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF V04-386:1985 Caseins. Determination of free acidity (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 V04-386*NF ISO 5547:2008 Caseins - Determination of free acidity (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 5547:2008 Caseins - Determination of free acidity (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 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)

Standard Association of Australia （SAA）

AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
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 K89:1953 Protein adhesives for plywood
AS N60:1970 Methods for the sampling and analysis of acid and rennet caseins
AS 2300.10.3 SUPP 2:1991 Caseins, caseinates and coprecipitates - Assessment of colour of caseins, Part 10.3: Colour standards for untreated rennet casein (Supplement to AS 2300.10.3-1991)
AS 2300.10.3 SUPP 1:1991 Caseins, caseinates and coprecipitates - Assessment of colour of caseins, Part 10.3: Colour standards for untreated and heat-treated acid casein and for wet-heat-treated rennet casein (Supplement to AS 2300.10.3-1991)

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 2101:2010 Protein-Rich concentrated Nutrient Supplementary foods
GSO 1374:2021 Edible Casein And Caseinates
GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)

Indonesia Standards

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
SNI 08-0987-1989 Cara identifikasi zat warna pada serat protein
SNI 8076-2014 Kolagen kasar dari sisik ikan - Syarat mutu dan pengolahan
SNI 14-1037-1989 Kertas dan karton, Cara uji lapisan salut berperekat protein

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 ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
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 5547:2008 Caseins - Determination of free acidity (Reference method)
PD CEN/TS 17688-2:2021 Molecular in vitro diagnostic examinations. Specifications for pre-examination processes for Fine Needle Aspirates (FNAs). Isolated proteins
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 EN ISO 20184-2:2018(2019) Molecular in vitro diagnostic examinations - Specifications for pre - examination processes for frozen tissue Part 2 : Isolated proteins
BS 3985:1978 Specification for cyanmethaemoglobin (haemiglobincyanide) solution for photometric haemoglobinometry
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 15323:2002 Dried milk protein products. Determination of nitrogen solubility index
BS 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
PD CEN/TS 16826-2:2015 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for snap frozen tissue - Part 2: Isolated proteins
25/30503150 DC Draft BS EN ISO 25353 Textiles - Qualitative analysis proteomic analysis of protein fibres from leather - Peptide detection using MALDI-TOF MS

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 1374:2022 Edible Casein And Caseinates
BH GSO ISO 24329:2024 Low-protein natural rubber latex concentrate — Specification
BH GSO ISO 5546:2016 Caseins and caseinates -- Determination of pH (Reference method)

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
DANSK DS/CEN/TS 16827-2:2015 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for FFPE tissue - Part 2: Isolated proteins
DANSK DS/CEN/TS 16826-2:2015 Molecular in vitro diagnostic examinations – Specifications for pre-examination processes for snap frozen tissue – Part 2: Isolated proteins
DANSK DS/CEN/TS 17688-2:2022 Molecular in vitro diagnostic examinations – Specifications for pre-examination processes for Fine Needle Aspirates (FNAs) – Part 2: Isolated proteins

Cuban Institute of Standards and Metrology

NC 86-05-1984 Cereals. Flours Determination of Protein
NC 26-75-17-1985 Drugs. Protamine Sulphate, Injection Quality Specifications
NC 74-28-1985 Cattle-Raising. Animal Feeding. Determination of Rough Protein

International Dairy Federation (IDF)

IDF 91-2008 Caseins - Determination of free acidity (Reference method)
IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

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)
SN-CEN/TS 16827-2:2015 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for FFPE tissue - Part 2: Isolated proteins
SN-CEN/TS 16826-2:2015 Molecular in vitro diagnostic examinations — Specifications for pre-examination processes for snap frozen tissue — Part 2: Isolated proteins

American Society for Testing and Materials (ASTM)

ASTM F831-83 Net Protein Ratio (NPR) Test Method
ASTM D7818-12 Standard Test Method for Enumeration of Proteolytic Bacteria in Fresh (Uncured) Hides and Skins
ASTM F830-83 Method for preparing meat, by-products and meat products for determining protein efficiency ratio or net protein ratio

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)
SIS-CEN/TS 16826-2:2015 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for snap frozen tissue - Part 2: Isolated proteins
SIS-CEN/TS 16827-2:2015 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for FFPE tissue - Part 2: Isolated proteins

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 20184-2:2018 Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for frozen tissue - Part 2: Isolated proteins

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

TCVN 5461-1991 Synthetic detergents.Determination of proteinous activity

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 1159:2003 The production of pre-cooked frozen foods containing protein

Clinical and Laboratory Standards Institute

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

Polski Komitet Normalizacyjny (PKN)

PN C04288-14-1987 Technical fats Methods of testing Determination of protein content

Argentine Institute of Standardization

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

The Directorate General of Specifications and Metrology (DGSM)

OS GSO 2101:2010 Protein-Rich concentrated Nutrient Supplementary foods
OS GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)

American Water Works Association (AWWA)

AWWA WQTC65752 Protein Assay in Drinking Water and Reclaimed Water

Portuguese Institute of Quality

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