Improvement of methods for determination of protein concentration

Improvement of methods for determination of protein concentration, Total:199 items.

The international standard classification for "Improvement of methods for determination of protein concentration" includes: Latex and raw rubber , food products in general , Edible oils and fats. Oilseeds , Animal feeding stuffs , Fruits. Vegetables .

The Chinese standard classification for "Improvement of methods for determination of protein concentration" includes: Medical and foodstuff rubber products , Cereal crop and forage crop in general , Basic standards and general methods , Oil crop and product , Livestock and poultry feed and additive , Melon, fruit and vegetable planting and product , Food sanitation , Other cash crops , Basic standards and general methods .

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
SN/T 1819-2006 Determination of latex protein in medical gloves for import and export-Modified Lowry method

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

GB/T 5009.5-2003 Determination of protein in foods
GB/T 14489.2-1993 Method for determination of crude protein in oilseed
GB/T 21870-2008 Medical gloves made from natural rubber latex - Determination of water-extractable protein using the modified Lowry 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
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method

未注明发布机构

DIN 58931 E:2021-02 Haematology - Determination of haemoglobin concentration in blood - Reference method
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 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 ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference method)
DIN ISO 5544 E:2020-06 Caseins - Determination of "fixed ash" (Reference method)
DIN 58931 E:2009-03 Haematology - Determination of haemoglobin concentration in blood - Reference method

Professional Standard - Agriculture

GB 8856-1988 Method for Determination of Crude Protein in Fruit and Vegetable Products
GB/T 5009.5-1985 Method for determination of protein in foods
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
92药典四部-2020 0700 Other Determination Methods 0731 Determination of Protein Content

Hebei Provincial Standard of the People's Republic of China

DB13/T 812-2006 Determination of protein solubility in soybeans and their products
DB13/T 1098-2009 Determination of protein in feed

Professional Standard - Hygiene

WS/T 42-1996 Blood - Determination of carboxyhemoglobin - Spectrophotometric 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

Group Standards of the People's Republic of China

T/SDAS 895-2024 Determination of the porosity of gluten protein network in wheat dough
T/FDSA 0050-2024 Method for determination of the bioavailability of oral collagen protein

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 1686-2016 Determination method of metallothionein in plants

German Institute for Standardization

DIN 58931:2021-09 Haematology - Determination of haemoglobin concentration in blood - Reference method; Text in German and English
DIN 58931:2021 Haematology - Determination of haemoglobin concentration in blood - Reference method; Text in German and English
DIN 58931:1995 Haematology - Determination of haemoglobin concentration in blood - Reference method
DIN 58906-1:2000 Haemostaseology - Determination of fibrinogen concentration - Part 1: Reference measurement procedure for the determination of clottable fibrinogen as described by Clauss
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 58931:2010 Haematology - Determination of haemoglobin concentration in blood - Reference method; Text in German and English
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
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 ISO 5546:2020 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
DIN ISO 5544:2020-12 Caseins - Determination of "fixed ash" (Reference method) (ISO 5544:2008)
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 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
DIN 58906-1:2000-03 Haemostaseology - Determination of fibrinogen concentration - Part 1: Reference measurement procedure for the determination of clottable fibrinogen as described by Clauss
DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method

RU-GOST R

GOST 25179-1990 Milk. Methods for determination of protein
GOST R 51468-1999 Caseins. Method for determination of free acidity
GOST R 53011-2008 Mixed feeds, protein-vitamin-mineral concentrates, premixes. Methods for determination of metallomagnetic impurity
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 53862-2010 Mixed feeds, protein-vitamin-mineral concentrates. Method for determination of the oxiacids
GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
GOST 31484-2012 Mixed feeds, protein-vitamin-mineral concentrates, premixes. Methods for determination of metallomagnetic impurity
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
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
GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
GOST 25011-1981 Meat and meat products. Methods of protein determination
GOST 25011-2017 Meat and meat products. Protein determination methods
GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST 28074-1989 Vegetable fodder. Method for the determination of crude protein solubility
GOST 31978-2012 Caseins and caseinates. Method for determination of pH
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 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 4152-1989 Drinking water. Method for determination of arsenic mass concentration
GOST 18165-1989 Drinking water. Method for determination of aluminium mass concentration
GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
GOST 31485-2012 Mixed feeds, protein-vitamin-mineral concentrates. Method for determination of peroxide number (hydroperoxides and peroxides)

Korean Agency for Technology and Standards (KATS)

KS I ISO 6768-2014(2019) Ambient air — Determination of mass concentration of nitrogen dioxide(Modified Griess-Saltzman method)
KS H ISO 5549-2006(2016) 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 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 1204-2021 Testing method for crude proteins content
KS H ISO 5548:2006 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5548:2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5546:2006 Caseins and caseinates－Determination of pH(Reference method)
KS J ISO 21572:2009 Foodstuffs-Methods for the detection of genetically modified organisms and derived products-Protein based methods
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)
KS J 4201-2008 Methods for quantitative analysis of serum albumin

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

CZ-CSN

CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 57 0111-8-2002 Testing methods for casein and caseinates - Determination of titratable acidity
CSN 570111-5-2002 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 0111-7-2002 Testing methods for casein and caseinates - Determination of ash
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 46 7092-27-1998 Testing methods for feeding stuffs - Part 27: Determination of the protein content
CSN 56 0186 Cast.12-1981 Testing methods for beer. art 12. etermination of proteins
CSN 570111-8-2002 Testing methods for casein and caseinates - Determination of titratable acidity
CSN 57 0111 Cast.4-1979 Testing methods for asein. Determination f fat content
CSN 57 0111-1-2002 Testing methods for casein and caseinates - General regulations

SCC

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)
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-...
AENOR UNE 77059:2002 Water quality. Determination of aluminum. Colorimetric method with eriochromocyanin R.
BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)

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 11963-1987 Photometric method for determination of lactose content in casein and caseinate
IS 11964-1987 Method for determination of free acidity in casein (reference 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 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers
IS 8220-1976 Specification for concentrated nutritional supplement foods rich in protein

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 5548-2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5547-2021 Caseins — Determination of free acidity(Reference method)

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 5547:2008 | IDF 91:2008 Caseins — Determination of free acidity (Reference method)
ISO 5548:2004 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|IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric 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 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric 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 5547:1978 Caseins; Determination of free acidity (Reference method)
ISO 5547:2008 Caseins - Determination of free acidity (Reference method)
ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods
ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods
ISO 5547:2008|IDF 91:2008 Caseins — Determination of free acidity (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 0604:2000 Proteins -- Monoclonal IgG -- Methods for quantitative analysis

RO-ASRO

STAS SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method
STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
SR ISO 5549:1996 Caseins and caseinates - Determination of protein 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 ISO 5547:2008 Caseins - Determination of free acidity (Reference method)
BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
BS ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
BS ISO 6768:1998(1999) Ambient air — Determination of mass concentration of nitrogen dioxide — Modified Griess - Saltzman 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 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
BS ISO 5544:2008 Caseins - Determination of "fixed ash" (Reference method)

GOSTR

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

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)

ES-AENOR

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

Association Francaise de Normalisation

NF ISO 5547:2008 Caseins - Determination of free acidity (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 V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric 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 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
NF V04-386:1985 Caseins. Determination of free acidity (reference method).
NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
NF V04-386*NF ISO 5547:2008 Caseins - Determination of free acidity (Reference method)
NF ISO 5544:2008 Caseins - Determination of "fixed ashes" (Reference method)
NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (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)

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 89-2008 Caseins - Determination of "fixed ash" (Reference method)

AENOR

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)
LST ISO 5548:2004 Caseins and caseinates. Determination of lactose content. Photometric method (idt ISO 5548:2004)

GSO

OS GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric 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)
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 ISO 6768:2017 Ambient air -- Determination of mass concentration of nitrogen dioxide -- Modified Griess-Saltzman method
OS GSO ISO 6768:2017 Ambient air -- Determination of mass concentration of nitrogen dioxide -- Modified Griess-Saltzman method
OS GSO 2101:2010 Protein-Rich concentrated Nutrient Supplementary foods
GSO ISO 5544:2015 Caseins -- Determination of " fixed ash " (Reference method)
OS GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)

VN-TCVN

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

AR-IRAM

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

American Society for Testing and Materials (ASTM)

ASTM D6188-17 Standard Test Method for Viscosity of Cellulose by Cuprammonium Ball Fall
ASTM D5712-99e1 Standard Test Method for Analysis of Aqueous Extractable Protein in Natural Rubber and Its Products Using the Modified Lowry Method
ASTM D5712-05e1 Standard Test Method for Analysis of Aqueous Extractable Protein in Natural Rubber and Its Products Using the Modified Lowry Method
ASTM D5712-10 Standard Test Method for Analysis of Aqueous Extractable Protein in Natural Rubber and Its Products Using the Modified Lowry Method
ASTM D3048-89(2009) Standard Test Method of Assay for Alkaline Protease
ASTM D3048-89(2016) Standard Test Method of Assay for Alkaline Protease
ASTM D3048-89(1995)e1 Standard Test Method of Assay for Alkaline Protease

HU-MSZT

MSZ KGST 1422-1978 Determination of protein content of phosphorus and phosphorus inorganic mixtures

CEN - European Committee for Standardization

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

NL-NEN

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

GOST

GOST 4386-1981 Drinking water. Methods for determining the mass concentration of fluorine

Others: