Methods for ethanol precipitation of proteins

Methods for ethanol precipitation of proteins, Total:249 items.

The international standard classification for "Methods for ethanol precipitation of proteins" includes: Man-made fibres , food products in general , Animal feeding stuffs , Edible oils and fats. Oilseeds , Fruits. Vegetables , General methods of tests and analysis for food products , Starch and derived products , Textiles in general , Surface active agents , Protection against crime , Biology. Botany. Zoology , Raw materials for rubber and plastics , Laboratory medicine , Medical Sciences and health care facilities in general .

The Chinese standard classification for "Methods for ethanol precipitation of proteins" includes: Chemical fibre in general , Food sanitation , Basic standards and general methods , Livestock and poultry feed and additive , Oil crop and product , Melon, fruit and vegetable planting and product , Other cash crops , Basic standards and general methods , Silk and silk fabric in general , Basic standards and general methods for water treatment agent , Cereal crop and forage crop in general , Crime judging technology , Environmental Condition and General Test Method , Basic standard and general method on forestry , Biochemical reagent and clinical analysis reagent , Coal tar processed products , Medical laboratory equipment , Water supply and draining engineering in general , Sanitation in general .

Group Standards of the People's Republic of China

T/NAIA 0297-2024 Determination of polysaccharide content in herbal wine Ethanol precipitation-phenol sulfuric acid method
T/GXAS 476-2023 Determination of colloid content in sugarcane juice—alcohol precipitation method
T/SDAS 896-2024 Determination of the filling degree of starch granules on gluten network in wheat dough

Professional Standard - Textile

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

Professional Standard - Agriculture

176药典三部-2010 Appendix Ⅵ ⅥB protein assay
220药典三部-2020 Content Determination Method 0731 Protein Content Determination Method
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
GB/T 5009.5-1985 Method for determination of protein in foods
GB 8856-1988 Method for Determination of Crude Protein in Fruit and Vegetable Products
2330药典二部-2010 Appendix VII M Determination of protein content

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

GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
GB/T 14771-1993 Method for determination of protein content in foods
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
GB/T 14489.2-1993 Method for determination of crude protein in oilseed
GB/T 12097-1989 Method for determination of whiteness of starches
GB/T 6432-1994 Method for the determination of crude protein in feedstuffs
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 19495.8-2004 Detection of genetically modified plants and derived products-Protein based methods
GB/T 44214-2024 Test method for non-protein content in silk
GB/T 16881-2008 Coagulation-Deposition jar test of water

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

Professional Standard - Public Safety Standards

GA/T 819-2009 Analytical method of acid dyes on the protein fibers

Professional Standard - Commodity Inspection

SN/T 0800.3-1999 Cereals and feedstuffs for import and export - Method for the determination of crude protein
SN/T 0803.9-1999 Oil bearing materials for import and export—Method for the determination of crude protein

未注明发布机构

DIN ISO 5545 E:2020-06 Rennet caseins and caseinates - Determination of ash (Reference method)
DIN EN ISO 21572:2004 Food – Methods for the detection of genetically modified organisms and their products – Protein methods
DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference method)
DIN ISO 5550 E:2020-06 Caseins and caseinates - Determination of moisture content (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 21572 Berichtigung 1:2005 Food – Methods for the detection of genetically modified organisms and their products – Protein methods

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 35534-2017 Examination methods of pancreatic digest of casein
GB/T 34800-2017 Detection method of activity and impurity of proteinase K
GB/T 35809-2018 Method for analysis of forestry biomass—Determination of protein content

Hebei Provincial Standard of the People's Republic of China

DB13/T 814.1-2006 General rules for identification test methods of modal fiber, lyocell fiber and soybean protein/polyvinyl alcohol composite fiber
DB13/T 814.2-2006 Modal fiber, lyocell fiber, soybean protein/polyvinyl alcohol composite fiber identification test method combustion test
DB13/T 814.3-2006 Microscopic observation of modal fiber, lyocell fiber, soybean protein/polyvinyl alcohol composite fiber identification test method
DB13/T 814.4-2006 Modal fiber, lyocell fiber, soybean protein/polyvinyl alcohol composite fiber identification test method solubility test

Professional Standard - Environmental Protection

HJ 775-2015 Water quality - Ascarid ova determination - Nature sedimentation method

Taiwan Provincial Standard of the People's Republic of China

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 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 - Ferrous Metallurgy

YB/T 5178-1993 Test method for feed stock oil for carbon black - Determination of asphaltine (precipitation of n-heptane)

Professional Standard - Chemical Industry

HG/T 3645-1999 Method for the determination of aqueous extractable protein in natural rubber gloves using the Lowry method

国家药品监督管理局

YY/T 1584-2018 Retinol binding protein testing kit(immune turbidity method)

Professional Standard - Recommended Standards for Engineering Construction

CECS 130-2001（条文说明） Standard for coagulation-flocculation and sedimentation beaker test method
CECS 130-2001 Standard for coagulation-tlocculation and sedimentation beaker test method

Professional Standard - Hygiene

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

National Health Commission of the People's Republic of China

WST 341:2011 Hemoglobin measurement reference method

Professional Standard - Ministry of Public Security Logo

GN 14-1982 Test methods for protein foam fire extinguishing agents and fluoroprotein foam fire extinguishing agents

SCC

AS 1095.2.6:1978 Microbiological methods for the dairy industry, Part 2.6: Methods for the examination of specific dairy products - Caseins, caseinates, and coprecipitates
AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
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)
AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION
BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric 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)
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)
AS N60:1970 Methods for the sampling and analysis of acid and rennet caseins
BS 4696:1971 Method for determination of asphaltenes in petroleum products (precipitation with normal heptane)
BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
AS 2300.10.4 SUPP 1:1991 Methods of chemical and physical testing for the dairying industry, Part 10.4: Caseins, caseinates and coprecipitates - Determination of filterable material - Photographic reference standards (Supplement to AS 2300.10.4-1991)
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)
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)
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-...
DANSK DS/ISO 21572:2019 Foodstuffs – Molecular biomarker analysis – Protein-based methods
AENOR UNE 77059:2002 Water quality. Determination of aluminum. Colorimetric method with eriochromocyanin R.
UNE 34835:1985 MILK. DETERMINATION OF PROTEIN CONTENT. AMIDO BLACK DYE-BINDING METHOD. ROUTINE METHOD.
BS EN ISO 21572:2004 Foodstuffs. Methods for the detection of genetically modified organisms and derived products. Protein based methods

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 57 0111-2-2002 Testing methods for casein and caseinates - Methods of samphng of Chemical analysis
CSN 57 0111-1-2002 Testing methods for casein and caseinates - General regulations
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 0111-7-2002 Testing methods for casein and caseinates - Determination of ash
CSN 56 0186 Cast.12-1981 Testing methods for beer. art 12. etermination of proteins
CSN 46 7092-27-1998 Testing methods for feeding stuffs - Part 27: Determination of the protein content
CSN 57 0111-8-2002 Testing methods for casein and caseinates - Determination of titratable acidity
CSN 56 0512-12-1995 Methods of milled produets analysis - Part 12: Determination of protein content
CSN 66 1303-1982 Ethyleneglycols Testing methods

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 0602:1992 Methods for quantitative analysis of serum albumin
JIS K 0607:2000 Proteins -- Glucoseoxydase -- Methods for quantitative analysis
JIS K 0605:1992 Methods for quantitative analysis of trypsin
JIS K 0606:1993 Methods for quantitative analysis of transferrin
JIS K 6726:1994 Testing methods for polyvinyl alcohol

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
ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method

RU-GOST R

GOST 25179-1990 Milk. Methods for determination of protein
GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
GOST 25179-2014 Milk and milk products. Method for determination of protein
GOST 27866-1988 High purity substances. Method for concentration of microimpurities by preciritation and copreciditation
GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
GOST 25011-1981 Meat and meat products. Methods of protein determination
GOST 25011-2017 Meat and meat products. Protein determination methods
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
GOST R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction
GOST 5481-2014 Vegetable oils. Methods for determination of insoluble impurities and sediment
GOST 13979.3-1968 Oilcakes oil-meals. Methods of determination of soluble proteins
GOST 31978-2012 Caseins and caseinates. Method for determination of pH
GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST R 51492-1999 Canned fish. Method for determination of oil deposit fraction of total mass
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 28074-1989 Vegetable fodder. Method for the determination of crude protein solubility
GOST R 54478-2011 Grain. Methods of determination quantity and quality of gluten in wheat
GOST 28075-1989 Vegetable fodder. Method for the determination of crude protein splitting
GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
GOST R 51468-1999 Caseins. Method for determination of free acidity
GOST 31683-2012 Grain starch-containing raw material for production of ethanol. Methods for determination of fermented carbohydrates mass fraction
GOST R 54946-2012 Honey. Method for determination of ethanol content
GOST R 54756-2011 Milk and milk products. Мethod for determination of mass portion of whey protein with Kjeldahl method
GOST R 51710-2001 Ethanol from food raw materials and spirits. Method for determination of furfurol presence
GOST 20264.2-1988 Enzyme preparations. Methods for determination of proteolytic activity

Korean Agency for Technology and Standards (KATS)

KS H 1204-2021 Testing method for crude proteins content
KS H ISO 5549:2006 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 ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H 1204-2001 Testing method for crude proteins content
KS J 4201-2008 Methods for quantitative analysis of serum albumin
KS H ISO 5546:2006 Caseins and caseinates－Determination of pH(Reference method)
KS J 4201-2023 Methods for quantitative analysis of serum albumin
KS B 6335-2013 Testing methods of precipitation equipments
KS H 2301-2001 TESTING METHOD FOR ETHANOL
KS J 4201-2018 Methods for quantitative analysis of serum albumin
KS M 2069-2016(2021) Testing method for precipitation number of petroleum products
KS J 4202-2008 Methods for quantitative analysis of immunoglobulin
KS J ISO 21572-2019 Foodstuffs－Methods for the detection of genetically modified organisms and derived products－Protein based methods
KS H ISO 5546-2006(2016) Caseins and caseinates－Determination of pH(Reference method)
KS E 3009-1990 Sampling methods of cyanidation precipitate and oven method

Association Francaise de Normalisation

NF V03-715:1981 Common wheat and {durum} wheat. Splitting of gliadin-type proteins by starch-gel electrophoresis for varietal identification.
NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF V04-221-4*NF EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
NF ISO 5550:2007 Caseins and caseinates - Determination of moisture 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 ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
NF V03-021:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods

KR-KS

KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H 1204-2022 Testing method for crude proteins content

International Organization for Standardization (ISO)

ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
ISO 5546:2010 | IDF 115:2010 Caseins and caseinates — Determination of pH (Reference method)
ISO 5546:2010|IDF 115:2010 Determination of pH value of casein and caseinate (standard method)
ISO 8968-4:2016 | IDF 20-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
ISO 5546:1979 Caseins and caseinates; Determination of pH (Reference method)
ISO/DIS 13165-3 Water quality — Radium-226 — Part 3: Test method using coprecipitation and gamma-spectrometry

British Standards Institution (BSI)

BS 7755-5.4:1998 Soil quality - Physical methods - Method by sieving and sedimentation
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 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
BS ISO 13165-3:2016 Water quality. Radium-226. Test method using coprecipitation and gamma-spectrometry
BS ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 13165-3:2020 Water quality. Radium-226. Test method using coprecipitation and gamma-spectrometry
BS EN ISO 21572:2013 Foodstuffs. Molecular biomarker analysis. Protein-based methods

IN-BIS

IS 7481-1974 How to measure protein efficiency ratio (PER)
IS 7219-1973 Methods for determination of protein in food and feed
IS 10511-1983 Method for determination of asphaltenes in bitumen using n-heptane precipitation method
IS 11962-1987 Method for determination of ash content in chymosin casein and caseinate (reference method)
IS 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers
IS 11963-1987 Photometric method for determination of lactose content in casein and caseinate
IS 11888-1987 Method for determination of charred particle content in casein and caseinates
IS 11964-1987 Method for determination of free acidity in casein (reference method)

PT-IPQ

NP 2935-1988 milk. Protein content was measured by the black starch method. current procedures

GOSTR

GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
GOST 27866-2019 High purity substances. Method for concentration of microimpurities by precipitation and coprecipitation

AENOR

UNE 34081:1975 ANALYSIS METHODS FOR CHOCOLATES. MILK PROTEINS.
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).

Standard Association of Australia （SAA）

AS 2300.10.4:1991 Methods of chemical and physical testing for the dairying industry - Caseins, caseinates and coprecipitates - Determination of filterable material
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 2300.10.6:1991 Methods of chemical and physical testing for the dairying industry - Caseins, caseinates and coprecipitates - Determination of free acidity of caseins
AS 2300.10.7:1991 Methods of chemical and physical testing for the dairying industry - Caseins, caseinates and coprecipitates - Determination of lactose - Photometric method
AS 2300.10.3:1991 Methods of chemical and physical testing for the dairying industry - Caseins, caseinates and coprecipitates - Assessment of colour of caseins
AS 2300.10.2:1991 Methods of chemical and physical testing for the dairying industry - Caseins, caseinates and coprecipitates - Assessment of odour and flavour
AS 2300.10.5:1991 Methods of chemical and physical testing for the dairying industry - Caseins, caseinates and coprecipitates - Determination of particle-size distribution in caseins
AS 2300.10.1:1991 Methods of chemical and physical testing for the dairying industry - Caseins, caseinates and coprecipitates - General information and preparation of samples

Lithuanian Standards Office

LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
LST ISO 5543:2004 Caseins and caseinates. Determination of fat content. Gravimetric method (Reference method) (idt ISO 5543:2004)

RO-ASRO

STAS SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method
SR ISO 5549:1996 Caseins and caseinates - Determination of protein content (Reference method)

ES-UNE

UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)

American Society for Testing and Materials (ASTM)

ASTM D6188-17 Standard Test Method for Viscosity of Cellulose by Cuprammonium Ball Fall
ASTM D7818-12 Standard Test Method for Enumeration of Proteolytic Bacteria in Fresh (Uncured) Hides and Skins
ASTM D5439-95(2006) Standard Test Method for Determination of Sediment in Moellon
ASTM D5439-95(2001) Standard Test Method for Determination of Sediment in Moellon
ASTM D5439-95 Standard Test Method for Determination of Sediment in Moellon
ASTM E1470-92(2006) Standard Test Method for Characterization of Proteins by Electrophoretic Mobility
ASTM E1470-92(1998) Standard Test Method for Characterization of Proteins by Electrophoretic Mobility
ASTM D91-97 Standard Test Method for Precipitation Number of Lubricating Oils
ASTM D7599-16 Standard Test Method for Determination of Diethanolamine, Triethanolamine, N -Methyldiethanolamine and N -Ethyldiethanolamine in Water by Single Reaction Monitoring Liquid Chromatography/Tandem Mass S
ASTM E2409-20a Standard Test Method for Glycol Impurities in Mono-, Di-, Tri- and Tetraethylene Glycol and in Mono- and Dipropylene Glycol (Gas Chromatographic Method)
ASTM E3334-24 Standard Test Method for Acidity in Ethanol and Ethanol Solutions
ASTM E2409-20 Standard Test Method for Glycol Impurities in Mono-, Di-, Tri- and Tetraethylene Glycol and in Mono- and Dipropylene Glycol (Gas Chromatographic Method)
ASTM E3334-22 Standard Test Method for Acidity in Ethanol and Ethanol Solutions
ASTM D7599-09 Standard Test Method for Determination of Diethanolamine, Triethanolamine, N -Methyldiethanolamine and N -Ethyldiethanolamine in Water by Single Reaction Monitoring Liquid Chromatography/Tandem Mass Sp
ASTM D5604-96(2001) Standard Test Methods for Precipitated Silica8212;Surface Area by Single Point B.E.T. Nitrogen Adsorption
ASTM D5604-96 Standard Test Methods for Precipitated Silica8212;Surface Area by Single Point B.E.T. Nitrogen Adsorption
ASTM D7599-09e1 Standard Test Method for Determination of Diethanolamine, Triethanolamine, N -Methyldiethanolamine and N -Ethyldiethanolamine in Water by Single Reaction Monitoring Liquid Chromatography/Tandem Mass Sp
ASTM D5604-96(2017) Standard Test Methods for Precipitated Silica8212;Surface Area by Single Point B.E.T. Nitrogen Adsorption
ASTM D5604-96(2006) Standard Test Methods for Precipitated Silica-Surface Area by Single Point B.E.T. Nitrogen Adsorption
ASTM D7599-09e2 Standard Test Method for Determination of Diethanolamine, Triethanolamine, N -Methyldiethanolamine and N -Ethyldiethanolamine in Water by Single Reaction Monitoring Liquid Chromatography/Tandem Mass Sp

German Institute for Standardization

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 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 ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
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 ISO 5546:2020 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
DIN SPEC 13290:2021 Protein analysis - Evaluation criteria for thermal unfolding methods (DSF and DSC); Text in German and English
DIN ISO 5545:2020-12 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)
DIN ISO 5550:2020 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)

ZA-SANS

SANS 6039:2005 Amylaceous and proteinaceous matter detection in wood adhesives
SANS 21572:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods

VN-TCVN

TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

ES-AENOR

UNE 34-835-1985 milk. Protein content determination by aminoblack method (conventional method)

International Dairy Federation (IDF)

IDF 90-2008 Rennet caseins and caseinates - Determination of ash (Reference method)
IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)

European Committee for Standardization (CEN)

EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods
EN ISO 21572:2019 Foodstuffs - Molecular biomarker analysis - Immunochemical methods for the detection and quantification of proteins (ISO 21572:2019)

GSO

BH GSO ISO 8968-4:2022 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
GSO ISO 8968-4:2021 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
GSO 2505:2016 Method of tests for soya protein products
OS GSO 2505:2016 Method of tests for soya protein products
OS GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
BH GSO ISO 5543:2016 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
OS GSO ISO 5543:2015 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)

VE-FONDONORMA

COVENIN 901-1975 Test method for nickel content in Venezuelan ferrous material standards (precipitation test with ethylene glycol dimethyl)

National Association of Corrosion Engineers (NACE)

NACE 7H100-2011 Evaluation of Boiler Tube Deposit Mass Loading (Deposit Weight Density) Methodology

NO-SN

NS 4867-1984 Air quality - Determination of ammonium in precipitation - Indophenol method

CEN - European Committee for Standardization

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

Danish Standards Foundation

DS/EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods

Indonesia Standards

SNI 19-6737-2002 Initial calculation methods for the rate of reservoir sedimentation
SNI 03-4152-1996 Test methods for potassium in light sediment by hydrogen chloride using atomic absorption spectrophotometer apparatus

NL-NEN

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

AR-IRAM

IRAM 5521-1962 Method for determination of centrifugal sedimentation of vegetable oils

Others: