UV method + protein content

UV method + protein content, Total:252 items.

In the international standard classification, UV method + protein content involves: Milk and milk products, Textile fibres, Processes in the food industry, Cereals, pulses and derived products, Farming and forestry, Fruits. Vegetables, Analytical chemistry, Meat, meat products and other animal produce, Beverages, Animal feeding stuffs, Products of the textile industry, Food products in general, Paper products, Water quality, Tobacco, tobacco products and related equipment.

CZ-CSN, UV method + protein content

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 56 0512-12-1995 Methods of milled produets analysis - Part 12: Determination of protein content
CSN 57 0105 Cast.5-1984 Powdered and condensed milk products. Testing methods. Determination of protein content
CSN 46 7092-27-1998 Testing methods for feeding stuffs - Part 27: Determination of the protein content
CSN 57 0153-1986 Testing methods for meat products and sterilized food in preserves. Determination of protein content according to Kjeldahl
CSN 57 0111 Cast.4-1979 Testing methods for asein. Determination f fat content

KR-KS, UV method + protein content

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 5543-2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)
KS H ISO 5548-2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5542-2021 Milk — Determination of protein content — Amido black dye-binding method(Rountine method)
KS H ISO 5739-2021 Caseins and caseinates — Determination of scorched particles content

Korean Agency for Technology and Standards (KATS), UV method + protein content

KS H ISO 5549:2006 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(2016) Caseins and caseinates－Determination of protein content(Reference method)
KS H 1204-2012 Testing method for crude proteins content
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H 1204-2001 Testing method for crude proteins content
KS H 1204-2021 Testing method for crude proteins content
KS H ISO 5543-2006(2016) Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS H ISO 5550:2007 Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5543:2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)
KS H ISO 5548:2006 Caseins and caseinates－Determination of lactose content－Photometric 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 5543:2006 Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS H ISO 5542:2006 Milk－Determination of protein content－Amido black dye-binding method(Rountine method)
KS H ISO 5542-2006(2016) Milk－Determination of protein content－Amido black dye-binding method(Rountine method)
KS H ISO 5542:2021 Milk — Determination of protein content — Amido black dye-binding method(Rountine method)
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 9622:2006 Whole milk－Determination of milkfat, protein and lactose content－Guidance on the operation of mid-infrared instruments

Professional Standard - Textile, UV method + protein content

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

International Organization for Standardization (ISO), UV method + protein content

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 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 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl 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 5543:2004 | IDF 127:2004 Caseins and caseinates — Determination of fat content — Gravimetric method (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 5542:1984 Milk; Determination of protein content; Amido black dye-binding method (Routine method)
ISO 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric method
ISO 5543:1986 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 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method)
ISO 21415-2:2006 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
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 5983:1979 Animal feeding stuffs; Determination of nitrogen content and calculation of crude protein content
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 Milk — Determination of nitrogen content — Part 5: Determination of 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 8968-4:2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
ISO 5739:1983 Caseins and caseinates; Determination of scorched particles content
ISO 9622:1999 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
ISO 21415-2:2015 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten and gluten index by mechanical means
ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method

Professional Standard - Agriculture, UV method + protein content

220藥典三部-2020 Content Determination Method 0731 Protein Content Determination Method
201藥典三部-2015 Content Determination Method 0731 General Principles of Protein Content Determination Method 50
2330藥典二部-2010 Appendix VII M Determination of protein content
92藥典四部-2020 0700 Other Determination Methods 0731 Determination of Protein Content
111藥典四部-2015 0700 Other Determination Methods 0731 Determination of Protein Content
245藥典三部-2020 Content Determination Method 3124 Human Granulocyte Stimulating Factor Protein Content Determination Method
NY/T 4306-2023 Determination of activity of papaya and bromelain by ultraviolet spectrophotometry
206藥典四部-2020 3100 Content Determination 3124 Recombinant Human Granulocyte Stimulating Factor Protein Content Determination
651藥典第一增補本-2010 Part Two Revised Appendix Appendix VII M Determination of Protein Content
218藥典四部-2015 3100 Content Determination 3124 Recombinant Human Granulocyte Stimulating Factor Protein Content Determination
242藥典三部-2020 Content Determination Method 3121 Determination of Human Albumin Polymer
215藥典四部-2015 3100 Content Determination 3121 Determination of Human Albumin Polymer
NY/T 2007-2011 Determination of the crude protein content in cereal and pules seeds by combustion according to the dumas principle
203藥典四部-2020 3100 Content Determination 3121 Determination of Human Albumin Polymer
226藥典三部-2015 Content Assay 3124 Recombinant Human Granulocyte Stimulating Factor Protein Assay General Rules 62
244藥典三部-2020 Content Determination Method 3123 Determination of Glycine Content in Human Immunoglobulin

British Standards Institution (BSI), UV method + protein content

BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
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 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 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
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 EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS EN ISO 21415-1:2007 Wheat and wheat flour - Gluten content - Determination of wet gluten by a manual method
BS ISO 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (reference 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 EN ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
BS ISO 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
BS EN ISO 20483:2013 Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method
BS ISO 9622:2013 Milk and liquid milk products. Guidelines for the application of mid-infrared spectrometry
BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS ISO 17997-2:2004 Milk. Determination of casein-nitrogen content - Direct method
BS ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments

RU-GOST R, UV method + protein content

GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
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 R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
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 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
GOST 23327-1978 Milk. Methods for determination of the total protein content
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 51465-1999 Caseins and caseinates. Determination of scorched particles content

AT-ON, UV method + protein content

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
ONORM DIN 10334-1994 Determination of nitrogen content of milk according to Kjeldahl and calculation of crude protein content

GSO, UV method + protein content

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)
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)
NB/SH/T 0966-2017 Determination of aromatics content in white oil - UV spectrophotometry
GSO ISO 5543:2015 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
GSO 2101:2010 Protein-Rich concentrated Nutrient Supplementary foods
GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
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
OS GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
OS GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content

Standard Association of Australia （SAA）, UV method + protein content

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)

German Institute for Standardization, UV method + protein content

DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
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 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
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
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 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 ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
DIN 10454:1983 Determination of protein content of caseins and caseinates; reference method
DIN 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic method
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 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of the non-protein-nitrogen content (ISO 8968-4:2001); German version EN ISO 8968-4:2001
DIN 10472:1996-06 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
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 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
DIN ISO 5550:2020 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
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 ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments (ISO 9622:1999)

Association Francaise de Normalisation, UV method + protein content

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 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 EN 15948:2020 Cereals - Determination of water and protein content - Method using near-infrared spectroscopy on whole grains
NF V04-382:1988 Caseins and caseinates. Determination of fat content. Gravimetric method (reference method).
NF V04-388*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 ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method
NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
NF V04-216:1985 Milk. Determination of protein content. Amido black dye-binding method (routine method).
NF V04-216:2011 Milk - Determination of protein content - Amido black dye-binding method (routine method).
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 V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
NF EN ISO 23319:2022 Cheeses and processed cheeses, caseins and caseinates - Determination of fat content - Gravimetric method
NF V18-100-2*NF EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2 : block digestion and steam distillation method.
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF V03-750:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method.

ES-UNE, UV method + protein content

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)

RO-ASRO, UV method + protein content

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 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion
SR ISO 5549:1996 Caseins and caseinates - Determination of protein content (Reference method)
STAS SR 4895-6-1997 Tobacco and tobacco prodocts Determination of total proteins content (albumines)
STAS 6514-1975 FISH AND FISH PRODUCTS Determination of total proteic matters

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, UV method + protein content

GB/T 24897-2010 Inspection of grain and oils-Crude protein determination in rice-Near-infrared method
GB/T 24901-2010 Inspection of grain and oils-Determination of crude protein in maize-Near-infrared method
GB/T 24899-2010 Inspection of grain and oils-Determination of crude protein in wheat-Near-infrared method
GB/T 24871-2010 Inspection of grain and oils-Crude protein determination in wheat flour-Near-infrared method
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 24870-2010 Inspection of grain and oils-Crude protein and crude fat determination in soybean-Near-infrared method
GB/T 44214-2024 Test method for non-protein content in silk
GB/T 5511-2008 Cereals and pulses.Determination of the nitrogen content and calculation of the crude protein content.Kjeldahl method

SCC, UV method + protein content

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)
AWWA WQTC71633 Protein Damage in UV Treated Adenovirus
NS-EN ISO 8968-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
AENOR UNE-EN ISO 8968-4:2016 Milk and dairy products. Determination of nitrogen content. Part 4: Determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method). (ISO 8968-4:2016)
DIN EN ISO 8968-4 E:2013 Draft Document - Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non protein nitrogen content and true protein content calculation (Reference method) (ISO/DIS 8968-4:2013); German version prEN ISO 8968-...
DIN 10470 E:2010 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
UNE 34835:1985 MILK. DETERMINATION OF PROTEIN CONTENT. AMIDO BLACK DYE-BINDING METHOD. ROUTINE METHOD.

Danish Standards Foundation, UV method + protein content

DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
DS/EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content

Lithuanian Standards Office , UV method + protein content

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

International Dairy Federation (IDF), UV method + protein content

IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)
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

Tianjin Provincial Standard of the People's Republic of China, UV method + protein content

DB12/T 347-2007 Near-infrared rapid detection method of crude protein content in wheat and corn

未注明發布機構, UV method + protein content

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 5550 E:2020-06 Caseins and caseinates - Determination of moisture content (Reference method)
DIN ISO 9622 E:2016-04 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments

Group Standards of the People's Republic of China, UV method + protein content

T/GXAS 357-2022 Rapid screening of protein content in fresh wet rice noodles by near infrared spectroscopy
T/HXCY 006-2021 Determination of Crude Protein in Reed Canary Grass on Qinghai-Tibet Plateau by Near Infrared Method
T/HXCY 005-2021 Determination of Crude Protein in Siberian wildrye on Qinghai-Tibet Plateau by Near Infrared Method
T/CAAMM 314-2023 Procedure for rapid grading detection of protein content in fresh edible sweet potatoes using near-infrared spectroscopy
T/HXCY 022-2021 Operating Procedure for Determination of Crude Protein Content of Paper Mulberry Silage by Near-Infrared Spectrum（NIRS）Technology

Japanese Industrial Standards Committee (JISC), UV method + protein content

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

CEN - European Committee for Standardization, UV method + protein content

EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content
EN ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method

國家市場監督管理總局、中國國家標準化管理委員會, UV method + protein content

GB/T 41366-2022 Livestock and poultry meat quality testing—Determination of moisture, protein and fat—Near-infrared spectroscopy method

European Committee for Standardization (CEN), UV method + protein content

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 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method

GOSTR, UV method + protein content

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

HU-MSZT, UV method + protein content

MSZ 05 26.1510-1983 Protein content 40-150
MNOSZ 17619-1954 Definition of the concept of protein content in preserved foods
MSZ 12325-1982 Main protein content of milk
MNOSZ 6832-1952 Feed desiccant, hardener and digestible protein content
MSZ KGST 2787-1980 Determination of protein content of preservative foods

國家能源局, UV method + protein content

SH/T 0966-2017 Determination of aromatic hydrocarbon content in white oil by UV spectrophotometry

VN-TCVN, UV method + 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 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
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 8766-2011 Milk and milk products.Determination of protein content.Acid orange 12 dye-binding method
TCVN 7774-2007 Milk.Determination of protein content.Amido black dye-binding method (Routine method)
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
TCVN 7253-2003 Tobacco and tobacco products.Determination of nitrogen protein content

ES-AENOR, UV method + protein content

UNE 34-871-1986 Processed cheese. Determination of protein content
UNE 34-835-1985 milk. Protein content determination by aminoblack method (conventional method)

中華人民共和國國家質量監督檢驗檢疫總局、中國國家標準化管理委員會, UV method + protein content

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

PL-PKN, UV method + protein content

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

Taiwan Provincial Standard of the People's Republic of China, UV method + protein content

CNS 6511-2008 Method of test for meat and meat products - Determination of crude protein content
CNS 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein

Professional Standard - Commodity Inspection, UV method + protein content

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

AENOR, UV method + protein content

UNE 34871:1986 PROCESSED CHEESE PRODUCTS. DETERMINATION OF THE PROTEIN CONTENT.

IN-BIS, UV method + protein content

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 7487-1986 Specifications for protein-rich cookies

海關總署, UV method + protein content

SN/T 5153-2019 Determination of fluorescent whitening agent content in household paper by UV spectroscopy

ZA-SANS, UV method + protein content

SANS 5218:2007 Water - Albuminoid ammonia content
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

PT-IPQ, UV method + protein content

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

Professional Standard - Tobacco, UV method + protein content

YC/T 166-2003 Tobacco and tobacco products-Determination of total proteins content (Albumins)