Protein isolation and purification methods

Protein isolation and purification methods, Total:143 items.

The international standard classification for "Protein isolation and purification methods" includes: Animal feeding stuffs , food products in general , Man-made fibres , Protection against crime , Chemical analysis of metals .

The Chinese standard classification for "Protein isolation and purification methods" includes: Livestock and poultry feed and additive , Basic standards and general methods , Chemical fibre in general , Food sanitation , Crime judging technology , Basic standard and general method on forestry , Semimetal and semiconductor material analysis method .

Group Standards of the People's Republic of China

T/CASME 378-2023 Technical specifications for the isolation and purification of lactobacillus curvatus protease

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

GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
GB/T 14771-1993 Method for determination of protein content in foods
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method

Professional Standard - Textile

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

Professional Standard - Agriculture

GB/T 5009.5-1985 Method for determination of protein in foods
NY/T 449-2001 Identification purity of maize variety using salting in protein eletrohporesis

Hebei Provincial Standard of the People's Republic of China

DB13/T 221-1994 Method for testing the purity of corn hybrids, inbred lines, and wheat seeds - protein electrophoresis

Professional Standard - Public Safety Standards

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

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

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 35809-2018 Method for analysis of forestry biomass—Determination of protein content

Professional Standard - Non-ferrous Metal

YS/T 34.1-2011 Method for chemical analysis of the high-purity arsenic—Inductive coupling plasma mass spectrum (ICP-MS) for determinating the concentration of elements in the high-purity arsenic

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 5547:2008 Caseins - Determination of free acidity (Reference method)
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 ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)

International Organization for Standardization (ISO)

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 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
ISO 5547:2008 | IDF 91:2008 Caseins — Determination of free acidity (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 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 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
ISO 5547:2008 Caseins - Determination of free acidity (Reference method)
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)

German Institute for Standardization

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 8968-4:2016 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 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 ISO 5550 E:2020-06 Caseins and caseinates - Determination of moisture content (Reference method)
DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
DIN ISO 5545 E:2020-06 Rennet caseins and caseinates - Determination of ash (Reference method)
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference 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 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
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 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN ISO 5550:2020 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 ISO 5545:2020 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)
DIN EN ISO 21572:2020-02 Foodstuffs - Molecular biomarker analysis - Immunochemical methods for the detection and quantification of proteins (ISO 21572:2019); German version EN ISO 21572:2019

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 0607:2000 Proteins -- Glucoseoxydase -- 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

CZ-CSN

CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 57 0111 Cast.10-1979 Testing methods for casein. Determination of purity
CSN 57 0111-2-2002 Testing methods for casein and caseinates - Methods of samphng of Chemical analysis
CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 57 0111-3-2002 Testing methods for casein and caseinates - Determination of moisture
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
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

CH-SNV

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

AT-ON

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

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 5549-2006(2016) Caseins and caseinates－Determination of protein content(Reference method)
KS H 1204-2021 Testing method for crude proteins content
KS H 1204-2012 Testing method for crude proteins content
KS H 1204-2001 Testing method for crude proteins content
KS J 4205-2018 Methods for quantitative analysis of immobilized trypsin
KS J 4205-2023 Methods for quantitative analysis of immobilized trypsin
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 H ISO 5550-2007(2021) Caseins and caseinates－Determination of moisture content(Reference method)
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 5547:2021 Caseins — Determination of free acidity(Reference method)

IN-BIS

IS 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers
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)
IS 7219-1973 Methods for determination of protein in food and feed
IS 7481-1974 How to measure protein efficiency ratio (PER)
IS 11962-1987 Method for determination of ash content in chymosin casein and caseinate (reference method)
IS 6504-1979 Methods for quantitative chemical analysis of ternary mixtures of viscose rayon, cotton and protein fibers

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
KS H ISO 5547-2021 Caseins — Determination of free acidity(Reference method)

RU-GOST R

GOST R 51468-1999 Caseins. Method for determination of free acidity
GOST 25179-1990 Milk. Methods for determination of protein
GOST 25179-2014 Milk and milk products. Method for determination of protein
GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
GOST R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction
GOST 25011-1981 Meat and meat products. Methods of protein determination
GOST 31978-2012 Caseins and caseinates. Method for determination of pH
GOST R 51467-1999 Caseins and caseinates. Method for determination of pH

American Society for Testing and Materials (ASTM)

ASTM D7818-12 Standard Test Method for Enumeration of Proteolytic Bacteria in Fresh (Uncured) Hides and Skins

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 N60:1970 Methods for the sampling and analysis of acid and rennet caseins
AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)

SCC

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)
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-...
AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
BS 1417:1963 Methods for the sampling and analysis of acid casein
DANSK DS/ISO 21572:2019 Foodstuffs – Molecular biomarker analysis – Protein-based methods

Association Francaise de Normalisation

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 ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
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 EN ISO 21572:2019 Food products - Molecular biomarker analysis - Immunochemical methods for protein detection and quantification
NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
NF V04-386:1985 Caseins. Determination of free acidity (reference method).
NF V04-386*NF ISO 5547:2008 Caseins - Determination of free acidity (Reference method)
NF V04-384*NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method).

Spanish Association for Standardization (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)
UNE 34081:1975 ANALYSIS METHODS FOR CHOCOLATES. MILK PROTEINS.
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION

GOSTR

GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
GOST 34567-2019 Meat and meat products. Method for determination of moisture, fat, protein, sodium chloride and ash using near infrared spectroscopy
GOST 34621-2019 Foods for special dietary uses. Dry protein, protein-carbohydrate and carbohydrate-protein drinks for sports nutrition. General specifications

Lithuanian Standards Office

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

International Dairy Federation (IDF)

IDF 91-2008 Caseins - Determination of free acidity (Reference method)
IDF 90-2008 Rennet caseins and caseinates - Determination of ash (Reference method)
IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)
IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

GSO

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)
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)

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/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

RO-ASRO

STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
STAS SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric 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)
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)

VN-TCVN

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

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