Five ways to precipitate proteins

Five ways to precipitate proteins, Total:165 items.

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

The Chinese standard classification for "Five ways to precipitate proteins" includes: Chemical fibre in general , Food sanitation , Cereal crop and product , Basic standards and general methods , Livestock and poultry feed and additive , Melon, fruit and vegetable planting and product , Oil crop and product , Other cash crops , Basic standards and general methods , Silk and silk fabric in general , Crime judging technology , Cereal crop and forage crop in general , Grain processing and products , Environmental Condition and General Test Method , Basic standard and general method on forestry .

Professional Standard - Textile

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

Professional Standard - Agriculture

SN/T 5071-2018 Determination of 19 kinds of nonprotein nitrogen compounds infoodstuffs of origin for export - LC-MS/MS method
NY/T 3-1982 Method for determination of crude protein in cereals and beans seeds(Semi - Micro kjeldahl method)
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
GB 8856-1988 Method for Determination of Crude Protein in Fruit and Vegetable Products
GB 2905-1982 Method for determination of crude protein in cereals and beans seeds (Semi-micro kjeldahls method)

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

GB/T 14489.2-1993 Method for determination of crude protein in oilseed
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 8856-1988 Method for determination of crude protein in fruit and vegetable products
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 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
GB/T 14771-1993 Method for determination of protein content in foods

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

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 1048-2002 Cereals and feedstuffs for import and export - Identification for barley variety - Method of protein electrophoresis
SN/T 0803.9-1999 Oil bearing materials for import and export—Method for the determination of crude protein
SN/T 0800.3-1999 Cereals and feedstuffs for import and export - Method for the determination of crude protein

未注明发布机构

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

Agricultural Standard of the People's Republic of China

农业部1068号公告-3-2008 Determination of ten kinds of anabolic androgenic steroids in feeds.High performance liquid chromatography tandem mass spectrometry

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
GB/T 34800-2017 Detection method of activity and impurity of proteinase K

Group Standards of the People's Republic of China

T/SDAS 896-2024 Determination of the filling degree of starch granules on gluten network in wheat dough

Professional Standard - Environmental Protection

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

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 2300.10.3 SUPP 2:1991 Caseins, caseinates and coprecipitates - Assessment of colour of caseins, Part 10.3: Colour standards for untreated rennet casein (Supplement to AS 2300.10.3-1991)
AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
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)
AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION
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)
BS 4289-6:1986 Methods for the analysis of oilseeds-Determination of oil, moisture and volatile matter, and protein by infrared reflectance
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)
AS N60:1970 Methods for the sampling and analysis of acid and rennet caseins
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)
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-...
BS 4696:1971 Method for determination of asphaltenes in petroleum products (precipitation with normal heptane)
DANSK DS/ISO 21572:2019 Foodstuffs – Molecular biomarker analysis – 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 0111-1-2002 Testing methods for casein and caseinates - General regulations
CSN 57 0111-2-2002 Testing methods for casein and caseinates - Methods of samphng of Chemical analysis
CSN 57 0111-7-2002 Testing methods for casein and caseinates - Determination of ash
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 56 0186 Cast.12-1981 Testing methods for beer. art 12. etermination of proteins
CSN 57 0111-8-2002 Testing methods for casein and caseinates - Determination of titratable acidity
CSN 46 7092-27-1998 Testing methods for feeding stuffs - Part 27: Determination of the protein content

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 0605:1992 Methods for quantitative analysis of trypsin

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 R 51467-1999 Caseins and caseinates. Method for determination of pH
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
GOST 25011-1981 Meat and meat products. Methods of protein determination
GOST 25011-2017 Meat and meat products. Protein determination methods
GOST 13979.3-1968 Oilcakes oil-meals. Methods of determination of soluble proteins
GOST 5481-2014 Vegetable oils. Methods for determination of insoluble impurities and sediment
GOST R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST R 51492-1999 Canned fish. Method for determination of oil deposit fraction of total mass
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

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

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(2016) 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 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 H ISO 5546:2006 Caseins and caseinates－Determination of pH(Reference method)
KS J 4201-2008 Methods for quantitative analysis of serum albumin
KS E 3077-2006 Testing method for hydraulic activity of limestone used to precipitated calcium carbonate

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 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)

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 V03-944:2021 Graines protéagineuses - Pois, fèves et féveroles - Détermination des impuretés
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)
NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)

PT-IPQ

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

ZA-SANS

SANS 6039:2005 Amylaceous and proteinaceous matter detection in wood adhesives

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 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers
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 11888-1987 Method for determination of charred particle content in casein and caseinates
IS 11963-1987 Photometric method for determination of lactose content in casein and caseinate

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 2300.10.3:1991 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 2300.10.7:1991 Methods of chemical and physical testing for the dairying industry - Caseins, caseinates and coprecipitates - Determination of lactose - Photometric method
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

GOSTR

GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein

British Standards Institution (BSI)

BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS 7755-5.4:1998 Soil quality - Physical methods - Method by sieving and sedimentation
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)
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 13165-3:2020 Water quality. Radium-226. Test method using coprecipitation and gamma-spectrometry

AENOR

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

Lithuanian Standards Office

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

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)

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 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
DIN ISO 5546:2020 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)

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(2001) Standard Test Method for Determination of Sediment in Moellon
ASTM D5439-95 Standard Test Method for Determination of Sediment in Moellon
ASTM D5439-95(2006) Standard Test Method for Determination of Sediment in Moellon
ASTM E1470-92(1998) Standard Test Method for Characterization of Proteins by Electrophoretic Mobility
ASTM E1470-92(2006) Standard Test Method for Characterization of Proteins by Electrophoretic Mobility
ASTM D91-97 Standard Test Method for Precipitation Number of Lubricating Oils

VN-TCVN

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

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)

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)

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)

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)

AR-IRAM

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

CEN - European Committee for Standardization

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

National Association of Corrosion Engineers (NACE)

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

ES-AENOR

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

Others: