protein thermostability

protein thermostability, Total:348 items.

The international standard classification for "protein thermostability" includes: Animal feeding stuffs , food products in general , Edible oils and fats. Oilseeds , Fruits. Vegetables , Textiles in general , Biology. Botany. Zoology , Protection against fire in general , Thermoplastic materials , Heat. Calorimetry , Thermosetting materials , Thermal insulation , Protection against dangerous goods , Milk and processed milk products , Man-made fibres , Laboratory medicine , Protection against crime , Tobacco, tobacco products and related equipment .

The Chinese standard classification for "protein thermostability" includes: 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 , Basic standards and general methods , Environmental Condition and General Test Method , Fire-fighting in general , Synthetic resin and plastic , Basic standard and general method on forestry , Heat insulation, sound absorption, light fireproof material , Melon, fruit and vegetable planting and product , Marking, packaging, transport and storage in general , Children foods , Cereal crop and product , Cereal crop and forage crop in general , Chemical fibre in general , Chemical fibre , Medical laboratory equipment , Fire-fighting equipment and devices , Crime judging technology , Tobacco .

Agricultural Standard of the People's Republic of China

农业部869号公告-2-2007 Food safety detection of genetically modified organisms and derived products Method of target protein digestive stability in simulative gastric and intestinal fluid
农业部2031号公告-17-2013 Food safety detection of genetically modified organisms and derived products.Protein heat stability test

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

GB/T 22232-2008 Test method for the thermal stability of chemicals by differential scanning calorimetry
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
GB/T 15595-1995 Test methods for the thermal stability of polyvinyl chloride resin－Whiteness method
GB/T 5009.183-2003 Qualitative analysis of urease in vegetable protein drinking
GB/T 15595-2008 Polyvinyl chloride resins - Test methods for the thermal stability - Whiteness method
GB/T 10296-2008 Thermal insulation - Determination of steady-state thermal transmission properties-pipe insulation apparatus
GB/T 5413.1-1997 Milk powder and formula foods for infant and young children-Determination of protein
GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
GB/T 13464-1992 Thermal analysis test methods forther mal stability of materials
GB/T 13475-2008 Thermal insulation - Determination of steady-state thermal transmission Properties - Calibrated and guard hot box
GB 8856-1988 Method for Determination of Crude Protein in Fruit and Vegetable Products
GB/T 38172-2019 Protein A affinity chromatographic medium
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 42699.1-2023 Textiles—Qualitative and quantitative proteomic analysis of some animal hair fibres—Part 1:Peptide detection using LC-ESI-MS with protein reduction
GB/T 14489.2-1993 Method for determination of crude protein in oilseed
GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
GB/T 13464-2008 Thermal analysis test methods for thermal stability of materials
GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein
GB/T 14489.2-2008 Inspection of grain and oils—Determination of crude protein in oilseeds
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 14771-1993 Method for determination of protein content in foods
GB/T 5009.5-1985 Method for determination of protein in foods
GB/T 38792-2020 Technical specification for cytological evaluation of protein allergenicity
GB/T 11833-1989 Thermal insulation--Determination of steady-state thermal transmission properties--Spherical method
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 11833-2014 Determination of steady-state thermal transmission properties of thermal insulation―Spherical method

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/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed
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/CHC 1010-2023 Elastin peptide
T/CIET 350-2024 Quality requirements for collagen casings
T/ESL 22003-2023 Guideline for formulation of laying hens diet with low protein content
T/CEAC 067-2024 Recombinant elastin
T/DAHEB 007-2020 Active Protein Milk (Milk)
T/ZGKSL 012-2023 Quality requirements for collagen products
T/SZAS 40-2021 Dataset of proteomics
T/NAIA 0279-2024 Determination of protease activity in soil
T/QGCML 4464-2024 Protein sample storage device

Professional Standard - Agriculture

NY/T 3493-2019 Agricultural biomass raw materials. Determination of crude protein
NY/T 1205-2006 Method for determination of water solubale protein in soybean
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 520-2002 Quality protein maize
201药典三部-2015 Content Determination Method 0731 General Principles of Protein Content Determination Method 50
111药典四部-2015 0700 Other Determination Methods 0731 Determination of Protein Content
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
QB/T 5961-2023 elastin peptide

Taiwan Provincial Standard of the People's Republic of China

CNS 2770-5-1986 Method of Test for Feeds : Determination of Crude Protein
CNS 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein
CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude Protein
CNS 5035-1986 Method of Test for Crude Protein in Food
CNS 2713-1978 Method for Determining of Digest Protein of Feather Meal
CNS 3449-2007 Method of test for milk and milk products - Determination of protein
CNS 14453-2000 Vegetable protein

Professional Standard - Textile

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

未注明发布机构

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

Professional Standard - Medicine

YY/T 1228-2014 Albumin test reagent kit

Professional Standard - Energy

NB/SH/T 0859-2013 Determination of Thermal Stability of Chemical Substances - Thermal Analysis Method

Professional Standard - Public Safety Standards

GA/T 819-2009 Analytical method of acid dyes on the protein fibers
GA/T 52-1993 Quality grading for protein-foam fire extinguishing agent and fluoroprotein-foam fire extinguishing agent

Professional Standard - Commodity Inspection

SN/T 2545-2010 Testing Method of Thermal Denaturation Protein in Animal Derived Food
SN/T 3926-2014 Determination of protein content in dairy foods,egg foods and soy foods for export - Coomassie brilliant blue method
SN/T 5422-2022 Import and export textile - Test method for identification of textile fibers - Protein compound fiber (Soybean protein compound fiber and milk protein compound fiber)

Professional Standard - Light Industry

QB/T 4363-2012 Determination of Immunoglobulin Egg Yolk (IgY) Activity in Toothpastes

Jilin Provincial Standard of the People's Republic of China

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

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

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 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl 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 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction
ISO 14244:2014 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution
ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
ISO 15323:2002|IDF173:2002 Determination of nitrogen solubility rate of milk powder protein products
ISO 22207:2024 Kraft lignin - Determination of thermal stability by thermogravimetry
ISO 20418-3:2020 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 3: Peptide detection using LC-MS without protein reduction
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|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 5546:2010 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 5550:2006 | 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
ISO 5550:1978 Caseins and caseinates; Determination of water content (Reference method)
ISO 18901:2010 Imaging materials - Processed silver-gelatin-type black-and-white films - Specifications for stability

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 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 ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
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 K ISO 20418-1-2022 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 1: Peptide detection using LC-ESI-MS with protein reduction
KS K ISO 20418-1:2022 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 1: Peptide detection using LC-ESI-MS with protein reduction
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 J 4201-2023 Methods for quantitative analysis of serum albumin
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 5548:2006 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 1204-2021 Testing method for crude proteins content
KS H ISO 5545:2021 Rennet caseins and caseinates —Determination of ash(Reference method)

RO-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 EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 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 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 EN ISO 14244:2016-10 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014); German version EN ISO 14244:2016
DIN EN ISO 20418-3:2020-11 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020); German version EN ISO 20418-3:2020
DIN EN ISO 20418-1:2018-08 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction (ISO 20418-1:2018); German version EN ISO 20418-1:2018
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 ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (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 SPEC 13290:2021 Protein analysis - Evaluation criteria for thermal unfolding methods (DSF and DSC); Text in German and English
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 20418-1 E:2017-07 Qualitative and quantitative proteomic analysis of some animal hair fibers in textiles Part 1: Peptide detection of protein reduction using LC-ESI-MS (draft)
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 5545:2020-12 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)

AT-ON

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

Lithuanian Standards Office

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

Ente Nazionale Italiano di Unificazione

UNI 22632:2002 Oilseeds - Vegetable proteins content - Determination of total proteins (biuret method)
UNI 22629:2002 Oilseeds - Vegetable proteins content - Determination of soluble proteins (Bradford 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 EN ISO 14244:2016 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution
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 EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction
UNI 6676:1970 Determination of image stability on treated black and white films, plates and papers
UNI EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction
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

VN-TCVN

TCVN 5461-1991 Synthetic detergents.Determination of proteinous activity
TCVN 8766-2011 Milk and milk products.Determination of protein content.Acid orange 12 dye-binding method
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

Gosstandart of Russia

GOST 20264.2-1988 Enzyme preparations. Methods for determination of proteolytic activity
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 13979.3-1968 Oilcakes oil-meals. Methods of determination of soluble proteins
GOST 28075-1989 Vegetable fodder. Method for the determination of crude protein splitting
GOST 28074-1989 Vegetable fodder. Method for the determination of crude protein solubility
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 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 25011-2017 Meat and meat products. Protein determination methods
GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method
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 57475-2017 Dried egg protein after extraction lysozyme. 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
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 R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction
GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination

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

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 11963-2005 Caeins and Caseinates - Determination of Lactose Content - Photometric Method
IS 11962-2012 Rennet Caseins and Caseinatesâ€” Determination of Ash (Reference Method)

CZ-CSN

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

CU-NC

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 V04-221-4*NF EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
NF EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of certain animal fibers - Part 1: detection of peptides by LC ESI MS with protein reduction
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 V03-950*NF EN ISO 14244:2016 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution
NF G06-007-3*NF EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3 : peptide detection using LC-MS without protein reduction
NF V03-944:2021 Graines protéagineuses - Pois, fèves et féveroles - Détermination des impuretés
NF V03-741:2008 Cereals and cereal products - Maize products - Promatest - Method for assessment of heatsensitive proteins.
NF G06-007-1*NF EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1 : peptide detection using LC-ESI-MS with protein reduction
NF Q34-106*NF ISO 22207:2024 Kraft lignin - Determination of thermal stability by Thermogravimetry
NF EN ISO 14244:2016 Oilseed meals - Determination of soluble protein content in potassium hydroxide solution
NF V04-384*NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method).
NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
NF ISO 22207:2024 Kraft lignin - Determination of thermal stability by Thermogravimetry
NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
NF V03-950:2014 Oilseed meals - Determination of soluble protein in potassium hydroxide solution
NF V04-388*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 ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric 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 2101:2010 Protein-Rich concentrated Nutrient Supplementary foods
GSO ISO 20418-3:2022 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 3: Peptide detection using LC-MS without protein reduction
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)

British Standards Institution (BSI)

BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
BS EN ISO 20418-1:2018 Textiles. Qualitative and quantitative proteomic analysis of some animal hair fibres - Peptide detection using LC-ESI-MS with protein reduction
BS EN ISO 20418-3:2020 Textiles. Qualitative and quantitative proteomic analysis of some animal hair fibres - Peptide detection using LC-MS without protein reduction
BS EN ISO 14244:2016 Oilseed meals. Determination of soluble proteins in potassium hydroxide solution
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 22207:2024 Kraft lignin. Determination of thermal stability by thermogravimetry
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 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 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
BS ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
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 ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
BS 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
BS ISO 14244:2014 Oilseed meals. Determination of soluble proteins in potassium hydroxide solution
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS EN ISO 21415-1:2007 Wheat and wheat flour - Gluten content - Determination of wet gluten by a manual method

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 20418-3:2023 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 3: Peptide detection using LC-MS without protein reduction
BH GSO ISO 5546:2016 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)
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.
AENOR UNE 77059:2002 Water quality. Determination of aluminum. Colorimetric method with eriochromocyanin R.
UNE-EN ISO 20418-1:2019 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction (ISO 20418-1:2018)
UNE 34871:1986 PROCESSED CHEESE PRODUCTS. DETERMINATION OF THE PROTEIN CONTENT.
UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION
UNE-EN ISO 20418-3:2021 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
UNE 64011:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF THE RAW PROTEIN
AENOR UNE-EN ISO 14244:2017 Oilseed flours. Determination of soluble proteins in potassium hydroxide solution. (ISO 14244:2014).
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE-EN ISO 14244:2017 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014)

Standard Association of Australia （SAA）

AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
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)
AS N60C1:1970 Colour standards for untreated and heat-treated acid casein and forwet-heat-treated rennet casein
AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
AS K89:1953 Protein adhesives for plywood

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/ISO 20418-3:2020 Textiles – Qualitative and quantitative proteomic analysis of some animal hair fibres – Part 3: Peptide detection using LC-MS without protein reduction
DANSK DS/EN ISO 20418-3:2020 Textiles – Qualitative and quantitative proteomic analysis of some animal hair fibres – Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
DANSK DS/EN ISO 14244:2016 Oilseed meals – Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014)
DANSK DS/EN ISO 20418-1:2018 Textiles – Qualitative and quantitative proteomic analysis of some animal hair fibres – Part 1: Peptide detection using LC-ESI-MS with protein reduction (ISO 20418-1:2018)

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)
NS-EN ISO 20418-3:2020 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
NS-EN ISO 14244:2016 Oilseed meals — Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014)
NS-EN ISO 20418-1:2018 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 1: Peptide detection using LC-ESI-MS with protein reduction (ISO 20418-1:2018)

IN-BIS

IS 7482-1989 Protein Drinks—Specifications
IS 9095-1979 Specifications for protein gummies
IS 7481-1974 How to measure protein efficiency ratio (PER)
IS 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers
IS 7219-1973 Methods for determination of protein in food and feed
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 6557-1972 Protein Flakes Specifications Not Food Quality

Magyar Szabványügyi Testület

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

International Dairy Federation (IDF)

IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
IDF 90-2008 Rennet caseins and caseinates - Determination of ash (Reference method)
IDF 78-2006 Caseins and caseinates. Determination of moisture content (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)
SS-EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
SS-ISO 22207:2025 Kraft lignin — Determination of thermal stability by Thermogravimetry (ISO 22207:2024, IDT)
SS-EN ISO 14244:2016 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014)

PL-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
PN-EN ISO 20418-3-2020-12 E Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)

CEN - European Committee for Standardization

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

AR-IRAM

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

PT-IPQ

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

Canadian Standards Association (CSA)

CSA W207-2020 Thiolignin — Determination of thermal stability by thermogravimetry

European Committee for Standardization (CEN)

EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction
EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
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 14244:2016 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution

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

BE-NBN

NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen

Military Standards (MIL-STD)

MIL MIL-A-44235A-1988 CAKES, CANNED, THERMOHYDROSTABLIZIED, TRAY PACK(SUPERSEDING MIL-C-44235)
MIL MIL-C-44071C-1988 CAKES, THERMOSTABILIZED, FOR MEAL, READY-TO-EAT (S/S BY MIL-C-44071D)

American Society for Testing and Materials (ASTM)

ASTM F830-83 Method for preparing meat, by-products and meat products for determining protein efficiency ratio or net protein ratio
ASTM F831-83 Net Protein Ratio (NPR) Test Method

CH-SNV

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

Institute of Interconnecting and Packaging Electronic Circuits (IPC)

IPC TM-650 2.3.40-1995 Thermal Stability