Determination method of plant protein content

Determination method of plant protein content, Total:300 items.

The international standard classification for "Determination method of plant protein content" includes: Fruits. Vegetables , food products in general , Vegetables and derived products , Textiles in general , Edible oils and fats. Oilseeds , Animal feeding stuffs , Man-made fibres , General methods of tests and analysis for food products .

The Chinese standard classification for "Determination method of plant protein content" includes: Cereal crop and forage crop in general , Other cash crops , Food sanitation , Food processing and products in general , Vegetable processing and products , Silk and silk fabric in general , Oil crop and product , Livestock and poultry feed and additive , Basic standard and general method on forestry , Chemical fibre in general , Basic standards and general methods .

Heilongjiang Provincial Standard of the People's Republic of China

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

未注明发布机构

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 ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference method)
DIN EN ISO 20483 E:2012-07 Determination of nitrogen content and calculation of crude protein content in cereals and legumes Kjeldahl method (draft)

Professional Standard - Agriculture

244药典三部-2020 Content Determination Method 3123 Determination of Glycine Content in Human Immunoglobulin
245药典三部-2020 Content Determination Method 3124 Human Granulocyte Stimulating Factor Protein Content Determination Method
111药典四部-2015 0700 Other Determination Methods 0731 Determination of Protein Content
NY/T 1205-2006 Method for determination of water solubale protein in soybean
247药典四部-2015 3400 Bioassay 3411 Bovine Serum Albumin Residue Determination
220药典四部-2020 3200 Determination of Chemical Residues 3208 Determination of Aluminum Residues in Human Serum Albumin
206药典四部-2020 3100 Content Determination 3124 Recombinant Human Granulocyte Stimulating Factor Protein Content Determination
240药典四部-2020 3400 Bioassay 3411 Bovine Serum Albumin Residue Determination
92药典四部-2020 0700 Other Determination Methods 0731 Determination of Protein Content
217药典四部-2015 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin
266药典三部-2015 Bioassay 3411 General Rules for Determination of Bovine Serum Albumin Residues 111
291药典三部-2020 Bioassay 3411 Determination of Bovine Serum Albumin Residues
2330药典二部-2010 Appendix VII M Determination of protein content
220药典三部-2020 Content Determination Method 0731 Protein Content Determination Method
201药典三部-2015 Content Determination Method 0731 General Principles of Protein Content Determination Method 50
225药典三部-2015 Content Determination Method 3123 General Rules for Determination of Glycine Content in Human Immunoglobulin 62
203药典四部-2020 3100 Content Determination 3121 Determination of Human Albumin Polymer
215药典四部-2015 3100 Content Determination 3121 Determination of Human Albumin Polymer
218药典四部-2015 3100 Content Determination 3124 Recombinant Human Granulocyte Stimulating Factor Protein Content Determination
205药典四部-2020 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin
263药典三部-2020 Determination of Chemical Residues 3208 Determination of Aluminum Residues in Human Serum Albumin
242药典三部-2020 Content Determination Method 3121 Determination of Human Albumin Polymer
223药典三部-2015 Content Determination Method 3121 General Principles of Human Albumin Polymer Determination Method 61

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

GB/T 5511-2008 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
GB/T 14489.2-2008 Inspection of grain and oils—Determination of crude protein in oilseeds
GB/T 5009.183-2003 Qualitative analysis of urease in vegetable protein drinking
GB/T 15673-2009 Determination of crude protein in edible mushroom
GB/T 44214-2024 Test method for non-protein content in silk
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method

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 - Textile

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

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 38086-2019 Determination of metallothionein (MT) in biological samples

农业农村部

NY/T 3298-2018 Determination of crude protein content in vegetable oilseeds—Near-infrared spectroscopy method
NY/T 3608-2020 Determination of collagen content in livestock and poultry bone—Colorimetric method

其他未分类

BJS 201707 Identification of plant-derived ingredients in plant protein beverages

Professional Standard - Commodity Inspection

SN/T 3926-2014 Determination of protein content in dairy foods,egg foods and soy foods for export - Coomassie brilliant blue method

Group Standards of the People's Republic of China

T/CSIQ 77001-2020 Determination of α-Lactalbumin contents in dairy products— HPLC method

RU-GOST R

GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
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 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
GOST R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
GOST 28075-1989 Vegetable fodder. Method for the determination of crude protein splitting
GOST 28074-1989 Vegetable fodder. Method for the determination of crude protein solubility
GOST 7824-1980 Vegetable oils. Methods for determination of phosphorated substances content
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST R 51465-1999 Caseins and caseinates. Determination of scorched particles content
GOST R 54478-2011 Grain. Methods of determination quantity and quality of gluten in wheat
GOST 23327-1978 Milk. Methods for determination of the total protein content
GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13496.4-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
GOST 23327-1998 Milk and milk products. Determination of mass part of total nitrogen by Kjeldahl method and determination of mass part of protein
GOST R 53020-2008 Wheat and wheat flour. Determination of gluten content. Part 1. Manual method
GOST R 53213-2008 Meat and meat products. Histological method of identification of plant protein additives

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 5549-2006(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 1204-2021 Testing method for crude proteins content
KS H ISO 5550:2007 Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5543-2006(2016) Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS H ISO 5550-2021 Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5550-2007(2012) Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5548:2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5548:2006 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5543:2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H ISO 5739-2006(2016) Caseins and caseinates－Determination of scorched particles content
KS H ISO 5739:2021 Caseins and caseinates — Determination of scorched particles content
KS H ISO 5543:2006 Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS J 4201-2008 Methods for quantitative analysis of serum albumin
KS J 4201-2023 Methods for quantitative analysis of serum albumin
KS H ISO 5542:2006 Milk－Determination of protein content－Amido black dye-binding method(Rountine method)

AT-ON

ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method

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)
KS H ISO 5548-2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5543-2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)
KS H ISO 5739-2021 Caseins and caseinates — Determination of scorched particles content

German Institute for Standardization

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 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
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 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN ISO 5550:2020 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
DIN 10464:1994 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 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN EN ISO 20483:2014-03 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
DIN 10472:1996-06 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
DIN EN ISO 21415-2:2008 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means (ISO 21415-2:2006); English version of DIN EN ISO 21415-2:2008-04
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN EN ISO 5983-1 Berichtigung 1:2009-07 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005, Corrigendum to DIN EN ISO 5983-1:2005-10; German version EN ISO 5983-1:20...
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 23319:2023-01 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022); German version EN ISO 23319:2022
DIN EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method (ISO 21415-4:2006); German version EN ISO 21415-4:2007
DIN EN ISO 5983-1:2005-10 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005
DIN EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001); German version EN ISO 8968-5:2001
DIN EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2006); German version EN ISO 20483:2006

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 Cast.4-1979 Testing methods for asein. Determination f fat content
CSN 46 7092-4-1998 Testing methods for feeding stuffs - Part 4: Determination of crude protein content
CSN 46 7092-27-1998 Testing methods for feeding stuffs - Part 27: Determination of the protein content
CSN 57 0105 Cast.5-1984 Powdered and condensed milk products. Testing methods. Determination of protein content
CSN 46 1011 Cast.18-1988 Testing of cereals, legumes and oil-bea-ring crops. Cereal testing. Crude protein determination.
CSN 57 0153-1986 Testing methods for meat products and sterilized food in preserves. Determination of protein content according to Kjeldahl
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 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
BS ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
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 21415-4:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by a rapid drying method
BS ISO 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (reference method)
BS ISO 17997-1:2005 Milk - Determination of casein-nitrogen content - Indirect method (Reference method)
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
BS EN ISO 21415-1:2007 Wheat and wheat flour - Gluten content - Determination of wet gluten by a manual method
BS EN ISO 21415-3:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by an oven drying method
BS ISO 17997-2:2004 Milk. Determination of casein-nitrogen content - Direct method
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS EN ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
BS EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
BS EN ISO 20483:2013 Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method
BS EN ISO 5983-1:2005(2009) Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1 : Kjeldahl method
BS ISO 17997-1:2004 Milk. Determination of casein-nitrogen content - Indirect method (Reference method)
BS EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method
BS 4317-16:1981 Methods of test for cereals and pulses - Determination of dry gluten in wheat flour

Association Francaise de Normalisation

NF ISO 5550:2007 Caseins and caseinates - Determination of moisture 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 V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
NF V04-382:1988 Caseins and caseinates. Determination of fat content. Gravimetric method (reference method).
NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method
NF V04-382:2008 Caseins and caseinates - Determination of fat content - Gravimetric method (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 20483:2014 Cereals and legumes - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
NF V03-750*NF EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
NF EN 15948:2020 Cereals - Determination of water and protein content - Method using near-infrared spectroscopy on whole grains
NF V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
NF EN ISO 5983-1:2005 Animal feed - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
NF EN ISO 23319:2022 Cheeses and processed cheeses, caseins and caseinates - Determination of fat content - Gravimetric method
NF V03-750:1999 Cereals and pulses. Determination of the nitrogen content and calculation of the raw protein content. Kjeldahl method.
NF V04-558*NF EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method
NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-383:1985 Caseins and caseinates. Determination of water content (reference method).
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF V04-383*NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content - (Reference method).
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.

International Dairy Federation (IDF)

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
IDF 20-5-2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
IDF 20-4-2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content

International Organization for Standardization (ISO)

ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl 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 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 5550:2006|IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
ISO 5550:1978 Caseins and caseinates; Determination of water content (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 5550:2006 | IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
ISO 5543:2004 | IDF 127:2004 Caseins and caseinates — Determination of fat content — Gravimetric method (Reference method)
ISO 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric method
ISO 5739:2003 | IDF 107:2003 Caseins and caseinates — Determination of contents of scorched particles and of extraneous matter
ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
ISO 5983:1997 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
ISO 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method)
ISO 5543:2004|IDF 127:2004 Gravimetric method for determination of fat content in casein and caseinate (reference method)
ISO 5543:1986 Caseins and caseinates; Determination of fat content; Gravimetric method (Reference method)
ISO 5739:1983 Caseins and caseinates; Determination of scorched particles content
ISO 5983:1979 Animal feeding stuffs; Determination of nitrogen content and calculation of crude protein content
ISO 21415-2:2006 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
ISO 20483:2013 Cereals and pulses.Determination of the nitrogen content and calculation of the crude protein content.Kjeldahl method
ISO 8968-5:2001|IDF 20-5:2001 Determination of milk nitrogen content Part 5: Determination of protein nitrogen content
ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
ISO 8968-4:2001 | IDF 20-4:2001 Milk — Determination of nitrogen content — Part 4: Determination of non-protein-nitrogen content
ISO 8968-5:2001 | IDF 20-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content
ISO 23319:2022 | IDF 250 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 8968-4:2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
ISO 8968-4:2001|IDF 20-4:2001 Determination of milk nitrogen content Part 4: Determination of non-protein nitrogen content
ISO 23319:2022 | IDF 250:2022 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 5542:1984 Milk; Determination of protein content; Amido black dye-binding method (Routine method)
ISO 17997-2:2004 | IDF 29-2:2004 Milk — Determination of casein-nitrogen content — Part 2: Direct method

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)

CEN - European Committee for Standardization

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

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 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
SR ISO 5549:1996 Caseins and caseinates - Determination of protein content (Reference method)
STAS 9597/3-1974 COMBINED FORAGES Determination of rough protein content

IN-BIS

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
IS 6387-1987 Specifications for infant foods containing dairy vegetable proteins

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)
BS 5766-4:1981 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content
BS 5766-4:1998 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content
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)
DANSK DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
DIN 10470 E:2010 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
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/EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
UNE-EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2006)
NS-EN ISO 20483:2013 Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method (ISO 20483:2013)
NS-EN ISO 20483:2006 Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method (ISO 20483:2006)
DANSK DS/EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
BS EN ISO 5983-2:2005 Animal feeding stuffs. Determination of nitrogen content and calculation of crude protein content-Block digestion/steam distillation method
12/30251275 DC BS EN ISO 20483. Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method
DANSK DS/ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates – Determination of fat content – Gravimetric method
UNE 34835:1985 MILK. DETERMINATION OF PROTEIN CONTENT. AMIDO BLACK DYE-BINDING METHOD. ROUTINE METHOD.
DIN EN ISO 20483 E:2012 Draft Document - Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO/DIS 20483:2012); German version prEN ISO 20483:2012

AR-IRAM

IRAM 15 707-1963 How to measure plant protein in food
IRAM 5511-1949 Determination method of ash content in vegetable oil

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)
UNE-EN ISO 5983-1:2007/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)
UNE-EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)

PT-IPQ

NP 1996-2000 Cereals and pulses Determiantion of the nitrogen content and calculation of the raw protein content Kjeldhal method

GSO

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)
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)
OS GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
GSO ISO 5543:2015 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
GSO ISO 5739:2015 Caseins and caseinates -- Determination of contents of scorched particles and of extraneous matter
BH GSO ISO 5739:2016 Caseins and caseinates -- Determination of contents of scorched particles and of extraneous matter
GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
OS GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
OS GSO ISO 5983:2002 ANIMAL FEEDING STUFFS – DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT
GSO ISO 20483:2013 Cereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method
OS GSO ISO 20483:2013 Cereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method
OS GSO ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
GSO ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
GSO ISO 23319:2023 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
BH GSO ISO 23319:2023 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
OS GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content

European Committee for Standardization (CEN)

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)
EN ISO 21415-2:2008 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
EN ISO 20483:2013 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
EN ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method

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)
LST ISO 5739:2003 Caseins and caseinates. Determination of contents of scorched particles and of extraneous matter (idt ISO 5739:2003)
LST ISO 5548:2004 Caseins and caseinates. Determination of lactose content. Photometric method (idt ISO 5548:2004)
LST EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2006)

VN-TCVN

TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 7871-3-2008 Wheat and wheat flour.Gluten content.Part 3: Determination of dry gluten from wet gluten by an oven drying method
TCVN 7871-4-2008 Wheat and wheat ftour.Gluten content.Part 4: Determination of dry gluten from wet gluten by a rapid drying method
TCVN 5282-1990 Animal feeding stuffs.Method of determination of methionine content
TCVN 4328-1-2007 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 1: Kjeldahl method
TCVN 7871-2-2008 Wheat and wheat flour.Gluten content.Part 2: Determination of wet gluten by mechanical means

BG-BDS

BGC ISO 5983:2001 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method

YU-JUS

JUS E.K8.048-1997 Vegetable fats and oils - Determination ofeggyolk content in mayonnaise and related products - Gravimetric mcthod (Reference method)
JUS E.K8.049-1997 Vegetable fats and oils - Determination of eggyolk content in mayonnaise and related products - Spectrophotometric anafysis (Routine method)

Danish Standards Foundation

DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
DS/EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/EN ISO 5983-1/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content
DS/EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen 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 0605:1992 Methods for quantitative analysis of trypsin
JIS K 0602:1992 Methods for quantitative analysis of serum albumin

TN-INNORPI

NT 14.51-1983 Determination of casein content in milk

AENOR

UNE 34827:1983 DETERMINATION OF THE CASEIN CONTENT OF MILK.
UNE-EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013)
UNE 34871:1986 PROCESSED CHEESE PRODUCTS. DETERMINATION OF THE PROTEIN CONTENT.

NL-NEN

NEN 3760-1984 Cheese - Determination of the nitrogen content according to Kjeldahl - Calculation of the crude protein content

HU-MSZT

MSZ KGST 2787-1980 Determination of protein content of preservative foods

GOSTR

GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method
GOST 13496.4-2019 Fodder, мixed fodder and raw mixed fodder. Methods of nitrogen and crude protein determination

PL-PKN

PN C04288-14-1987 Technical fats Methods of testing Determination of protein content

TH-TISI

TIS 2255.1-2005 Animal feeding stuff s-determination of nitrogen content and calculation of crude protein content.part 1: kjeldahl method

ZA-SANS

SANS 8968-5:2006 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
SANS 8968-4:2006 Milk - Determination of nitrogen content Part 4: Determination of non-protein-nitrogen content