Methods for purifying proteins

Methods for purifying proteins, Total:139 items.

The international standard classification for "Methods for purifying proteins" includes: Man-made fibres , Animal feeding stuffs , food products in general , Fruits. Vegetables , General methods of tests and analysis for food products , Edible oils and fats. Oilseeds , Textiles in general , Biology. Botany. Zoology , Chemical reagents , Laboratory medicine , Protection against crime .

The Chinese standard classification for "Methods for purifying proteins" includes: Chemical fibre in general , Livestock and poultry feed and additive , Basic standards and general methods , Other cash crops , Basic standards and general methods , Oil crop and product , Melon, fruit and vegetable planting and product , Silk and silk fabric in general , Food sanitation , Cereal crop and product , Cereal crop and forage crop in general , Environmental Condition and General Test Method , Basic standard and general method on forestry , Biochemical reagent and clinical analysis reagent , Medical laboratory equipment , Crime judging technology .

Professional Standard - Textile

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

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

GB/T 19495.8-2004 Detection of genetically modified plants and derived products-Protein based methods
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 44214-2024 Test method for non-protein content in silk
GB/T 14771-1993 Method for determination of protein content in foods
GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
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

Professional Standard - Agriculture

NY/T 520-2002 Quality protein maize
GB/T 5009.5-1985 Method for determination of protein in foods
176药典三部-2010 Appendix Ⅵ ⅥB protein assay
GB 8856-1988 Method for Determination of Crude Protein in Fruit and Vegetable Products
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

Group Standards of the People's Republic of China

T/QGCML 1029-2023 Technical Specifications for Purification and Preparation of Periplaneta Americana and Cockroach Allergen Proteins
T/CASME 378-2023 Technical specifications for the isolation and purification of lactobacillus curvatus protease

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

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 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
GB/T 33410-2016 Determination of the activity of protease K in biochemical reagents

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

国家药品监督管理局

YY/T 1578-2018 Glycated albumin assay kit(enzymatic method)

Taiwan Provincial Standard of the People's Republic of China

CNS 3449-2007 Method of test for milk and milk products - Determination of 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 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein

Professional Standard - Public Safety Standards

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

Shandong Provincial Standard of the People's Republic of China

DB37/T 3105-2018 Sunflower seed purity protein electrophoresis detection standard

CZ-CSN

CSN 57 0111 Cast.10-1979 Testing methods for casein. Determination of purity
CSN 57 0111-5-2002 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 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
CSN 57 0111-3-2002 Testing methods for casein and caseinates - Determination of moisture
CSN 57 0111-7-2002 Testing methods for casein and caseinates - Determination of ash

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 5546:2010 Caseins and caseinates - Determination of pH (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)

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

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 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 5546:2010 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 | IDF 115:2010 Caseins and caseinates — Determination of pH (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 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference 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 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method

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

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 N60:1970 Methods for the sampling and analysis of acid and rennet caseins

Korean Agency for Technology and Standards (KATS)

KS H 1204-2012 Testing method for crude proteins content
KS H 1204-2001 Testing method for crude proteins content
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 J 4201-2023 Methods for quantitative analysis of serum albumin
KS J 4205-2018 Methods for quantitative analysis of immobilized trypsin
KS J 4205-2023 Methods for quantitative analysis of immobilized trypsin
KS H ISO 5546:2006 Caseins and caseinates－Determination of pH(Reference method)
KS J 4201-2008 Methods for quantitative analysis of serum albumin

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 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 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 51464-1999 Caseins and caseinates. Method for determination of water content
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 13979.3-1968 Oilcakes oil-meals. Methods of determination of soluble proteins
GOST R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction

KR-KS

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

American Society for Testing and Materials (ASTM)

ASTM D7818-12 Standard Test Method for Enumeration of Proteolytic Bacteria in Fresh (Uncured) Hides and Skins
ASTM D6188-17 Standard Test Method for Viscosity of Cellulose by Cuprammonium Ball Fall

IN-BIS

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 8665-1977 Specification for protein fortified bread
IS 11888-1987 Method for determination of charred particle content in casein and caseinates
IS 7219-1973 Methods for determination of protein in food and feed
IS 11962-1987 Method for determination of ash content in chymosin casein and caseinate (reference method)
IS 9095-1979 Specifications for protein gummies

Lithuanian Standards Office

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

Spanish Association for Standardization (UNE)

UNE 34081:1975 ANALYSIS METHODS FOR CHOCOLATES. MILK PROTEINS.
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 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION
UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).

GOSTR

GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
GOST 34621-2019 Foods for special dietary uses. Dry protein, protein-carbohydrate and carbohydrate-protein drinks for sports nutrition. General specifications

Society of Automotive Engineers (SAE)

SAE AMS1800-2011 FOAM, FIRE EXTINGUISHING LIQUID Protein and Fluoroprotein

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)
AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric 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)
BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
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)
BS 3985:1978 Specification for cyanmethaemoglobin (haemiglobincyanide) solution for photometric haemoglobinometry
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-...

Indonesia Standards

SNI 13-3612-1994 Pure platinum test method of purity by atomic absorption spectrophotometer apparatus

Association Francaise de Normalisation

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 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)

RO-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 SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method

Danish Standards Foundation

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

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)

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)

VN-TCVN

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

CH-SNV

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

HU-MSZT

MSZ 21340-1980 animal protein feed

CEN - European Committee for Standardization

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