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Determination of protein content by spectrometry

Determination of protein content by spectrometry, Total:439 items.

In the international standard classification, Determination of protein content by spectrometry involves: Milk and milk products, Cereals, pulses and derived products, Processes in the food industry, Fruits. Vegetables, Meat, meat products and other animal produce, Beverages, General methods of tests and analysis for food products, Animal feeding stuffs, Quality, Food products in general, Medical equipment, Biology. Botany. Zoology, Tobacco, tobacco products and related equipment, Water quality, Semiconducting materials, Non-ferrous metals, Analytical chemistry, Paper products, Tea. Coffee. Cocoa, Edible oils and fats. Oilseeds, Farming and forestry, Products of the textile industry, Farm buildings, structures and installations, Soil quality. Pedology, Products of the chemical industry, Metalliferous minerals, Inorganic chemicals, Laboratory medicine, Testing of metals, Medical sciences and health care facilities in general, Non-metalliferous minerals, Coals, Fuels, Rubber, Hospital equipment, Veterinary medicine.

Association Francaise de Normalisation, Determination of protein content by spectrometry

FD CEN/TR 17474:2021 Céréales (blé et orge) - Rapport technique des essais interlaboratoires pour la détermination de la teneur en eau et en protéines par spectroscopie proche infrarouge sur des grains entiers
NF EN 15948:2020 Céréales - Détermination de la teneur en eau et en protéines - Méthode utilisant la spectroscopie dans le proche infrarouge sur des grains entiers
NF V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
NF EN ISO 8968-4:2016 Lait et produits laitiers - Détermination de la teneur en azote - Partie 4 : détermination de la teneur en azote protéique et non protéique et calcul de la teneur en protéines vraies (Méthode de référence)
NF ISO 5548:2008 Caséines et caséinates - Détermination de la teneur en lactose - Méthode photométrique
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 V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF V04-382:1988 Caseins and caseinates. Determination of fat content. Gravimetric method (reference method).
NF V04-382:2008 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method).
NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF ISO 5550:2007 Caséines et caséinates - Détermination de la teneur en humidité (méthode de référence)
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF V04-216:1985 Milk. Determination of protein content. Amido black dye-binding method (routine method).
NF V04-388:1985 Caseins and caseinates. Determination of lactose content. Photometric method.
NF V04-216:2011 Milk - Determination of protein content - Amido black dye-binding method (routine method).
NF V03-768:2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels.
NF V03-768:2015 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
NF V03-768*NF EN 15948:2020 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
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 V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
NF V03-750:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method.
NF EN ISO 23319:2022 Fromages et fromages fondus, caséines et caséinates - Détermination de la teneur en matière grasse - Méthode gravimétrique
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 V04-558*NF EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method
NF T90-113-1:2007 Water quality - Determination of mercury - Method using atomic absorption spectrometry.
NF V04-407:2002 Meat, meat product and fishery products - Determination of nitrogen content and calculation of the protein content - Kjeldahl method.
NF V18-100-1*NF EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1 : Kjeldahl method
NF V04-383*NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content - (Reference method).
NF V04-383:1985 Caseins and caseinates. Determination of water content (reference method).
NF EN ISO 20483:2014 Céréales et légumineuses - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Méthode de Kjeldahl
NF EN ISO 14244:2016 Tourteaux de graines oléagineuses - Détermination de la teneur en protéines solubles en solution d'hydroxyde de potassium
NF EN ISO 5983-1:2005 Aliments des animaux - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Partie 1 : méthode Kjeldahl
NF X43-027:1993 Air quality. Ambient air. Determination of lead in aerosols X-ray fluorescence spectrometry.
NF T90-007:2001 Water quality - Determination of soluble silicates - Molecular absorption spectrometric method.
NF EN ISO 8968-1:2014 Lait et produits laitiers - Détermination de la teneur en azote - Partie 1 : méthode Kjeldahl et calcul de la teneur en protéines brutes
NF ISO 6491:2011 Aliments des animaux - Détermination de la teneur en phosphore - Méthode spectrométrique

German Institute for Standardization, Determination of protein content by spectrometry

DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic 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 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
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 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 8968-4:2016 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 ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
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 10454:1983 Determination of protein content of caseins and caseinates; reference method
DIN EN 15948:2020-12 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels; German version EN 15948:2020
DIN 10472:1996-06 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
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 1233:1996 Water quality - Determination of chromium - Atomic absorption spectrometric methods; German version EN 1233:1996
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 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 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 EN ISO 23319:2023 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
DIN 10473:1997-12 Determination of acid soluble <beta>-lactoglobulin content of heat-treated milk - Reversed phase, high performance liquid chromatographic method
DIN ISO 9964-3:1996 Water quality - Determination of sodium and potassium - Part 3: Determination of sodium and potassium by flame emission spectrometry (ISO 9964-3:1993)
DIN EN 14663:2006 Foodstuffs - Determination of vitamin B6 (including its glycosylated forms) by HPLC; English version of DIN EN 14663:2006-03
DIN EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); English version of DIN EN ISO 5983-1
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 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 15948:2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels; German version EN 15948:2012
DIN EN 15948:2015 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels; German version EN 15948:2015
DIN EN ISO 10519:2000 Rapeseed - Determination of chlorophyll content - Spectrometric method (ISO 10519:1997); German version EN ISO 10519:2000
DIN EN 15948:2020 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels; German version EN 15948:2020

Professional Standard - Agriculture, Determination of protein content by spectrometry

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
2330药典二部-2010 Appendix VII M Determination of protein content
92药典四部-2020 0700 Other Determination Methods 0731 Determination of Protein Content
111药典四部-2015 0700 Other Determination Methods 0731 Determination of Protein Content
245药典三部-2020 Content Determination Method 3124 Human Granulocyte Stimulating Factor Protein Content Determination Method
242药典三部-2020 Content Determination Method 3121 Determination of Human Albumin Polymer
218药典四部-2015 3100 Content Determination 3124 Recombinant Human Granulocyte Stimulating Factor Protein Content Determination
206药典四部-2020 3100 Content Determination 3124 Recombinant Human Granulocyte Stimulating Factor Protein Content Determination
215药典四部-2015 3100 Content Determination 3121 Determination of Human Albumin Polymer
203药典四部-2020 3100 Content Determination 3121 Determination of Human Albumin Polymer
SN/T 5071-2018 Determination of 19 Non-protein Nitrogenous Compounds in Export Food by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
651药典第一增补本-2010 Part Two Revised Appendix Appendix VII M Determination of Protein Content
226药典三部-2015 Content Assay 3124 Recombinant Human Granulocyte Stimulating Factor Protein Assay General Rules 62
244药典三部-2020 Content Determination Method 3123 Determination of Glycine Content in Human Immunoglobulin
223药典三部-2015 Content Determination Method 3121 General Principles of Human Albumin Polymer Determination Method 61
NY/T 2007-2011 Determination of the crude protein content in cereal and pules seeds by combustion according to the dumas principle
217药典四部-2015 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin
205药典四部-2020 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin
NY/T 2659-2014 Rapid determination of fat,protein,lactose and total solids in milk.Infrared spectrometry
GB/T 22260-2023 Determination of Anabolic Hormones in Feed by Liquid Chromatography-Tandem Mass Spectrometry
225药典三部-2015 Content Determination Method 3123 General Rules for Determination of Glycine Content in Human Immunoglobulin 62
194药典三部-2010 Appendix VI VIU Determination of Recombinant Human Granulocyte Stimulating Factor Protein Content
292药典三部-2020 Bioassay 3412 Determination of Escherichia coli protein residues
293药典三部-2020 Bioassay 3413 Determination of protein residues in Pseudomonas bacteria
SN/T 5095-2018 Determination of fipronil and its metabolite residues in eggs and egg products for export by gas chromatography-mass spectrometry and gas chromatography-mass spectrometry/mass spectrometry
248药典四部-2015 3400 Bioassay 3412 Determination of Escherichia coli protein residues
249药典四部-2015 3400 Bioassay 3413 Determination of Pseudomonas bacterial protein residues
294药典三部-2020 Bioassay 3414 Determination of Protein Residue in Yeast Engineering Bacteria
241药典四部-2020 3400 Bioassay 3412 Determination of Escherichia coli protein residues
242药典四部-2020 3400 Bioassay 3413 Determination of Pseudomonas bacterial protein residues
SN/T 5094-2018 Determination of fipronil residues in poultry eggs and egg products for export by liquid chromatography-mass spectrometry
192药典三部-2010 Appendix VI VIS Determination of Glycine Content in Human Immunoglobulin
246药典三部-2020 Content Determination Method 3125 Histamine Determination of Free Phosphate Histamine in Human Immunoglobulin
250药典四部-2015 3400 Biological Assay 3414 Determination of Protein Residue in Yeast Engineering Bacteria
243药典四部-2020 3400 Biological Assay 3414 Determination of Protein Residue in Yeast Engineering Bacteria
219药典四部-2015 3100 Content Determination 3125 Histamine Free Phosphate Histamine Determination in Human Immunoglobulin
207药典四部-2020 3100 Content Determination 3125 Histamine Free Phosphate Histamine Determination in Human Immunoglobulin
243药典三部-2020 Content Determination Method 3122 Human Immunoglobulin Products IgG Monomer plus Dimer Determination Method
226药典三部-2010 Appendix IX IXD Determination of protein residues in Pseudomonas bacteria
225药典三部-2010 Appendix IX IXC Determination of Escherichia coli protein residues
268药典三部-2015 Bioassay 3413 Pseudomonas bacterial protein residue determination method 112
267药典三部-2015 Bioassay 3412 Escherichia coli bacterial protein residue determination method 111
NY/T 3-1982 Method for determination of crude protein in cereals and beans seeds(Semi-micro kjeldahl method)
GB 2905-1982 Determination of crude protein in cereal and bean crop seeds (semi-micro Kjeldahl method)
216药典四部-2015 3100 Content Determination Method 3122 Human Immunoglobulin Products IgG Monomer plus Dimer Determination Method
204药典四部-2020 3100 Content Determination Method 3122 Human Immunoglobulin Products IgG Monomer plus Dimer Determination Method
269药典三部-2015 Bioassay 3414 Yeast Engineering Bacteria Protein Residual Determination Method 113
227药典三部-2010 Appendix IX IXE Method for Determination of Protein Residue in Yeast Engineering Bacteria

RU-GOST R, Determination of protein content by spectrometry

GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
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 13496.4-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
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 23327-1978 Milk. Methods for determination of the total protein content
GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
GOST 24977.2-1981 Tellurium high purity. Spectral method for the determination of impurities
GOST 24977.1-1981 Tellurium high purity. Method of chemical and spectral for the ditermination of impurities
GOST 16274.10-1977 Bismuth. Spectral method for determination of mercury content
GOST R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction
GOST 30131-1996 Oil-cake and ground oil-cake. Determination of moisture, oil and protein by infrared reflectance
GOST R 54478-2011 Grain. Methods of determination quantity and quality of gluten in wheat
GOST 22518.1-1977 Lead of high purity. Chemical spectral method for the determination of additions
GOST 20997.1-1981 Thallium. Method of the spectral determination of mercury
GOST R 52421-2005 Fish, marine products and products of them. Method of determining the fraction of total mass of protein, fat, water, phosphorus, calcium and ash by the near-infra-red spectrometry
GOST R 55246-2012 Milk and milk products. Determination of non-protein nitrogen content by Kjeldahl method
GOST R 54662-2011 Cheeses and processed cheeses. Determination of protein mass fraction by the Kjeldahl method
GOST 16274.9-1977 Bismuth. Spectrochemical method for determination of gold content
GOST 13637.2-1993 Gallium. Atomic-emission method for the determination of cadmium, lead, zinc
GOST 12645.2-1977 Indium. Spectral method for determination of mercury and cadmium
GOST 20997.3-1981 Thallium. Method of spectral determination of cadmium and zinc
GOST 20997.5-1981 Thallium. Method of chemical-spectral determination of tin
GOST 24938-1985 Zinc concentrates. Spectrographic method for determination of gallium, germanium, indium, arsenic, tin, stibium, thallium
GOST 13637.2-1977 Gallium. Spectral method for the determination of cadmium, lead and zinc
GOST 20461-1975 Gaseous helium. Method for determination of impurities volume fraction by emission spectral analysis
GOST 22518.4-1977 Lead of high purity. Spectral method for the determination of mercury
GOST 17262.3-1978 Cadmium. Method of spectral for the determination of arsenic, antimony and tin
GOST R 51473-1999 Milk. Spectrometric method for determination of total phosphorus content
GOST 31795-2012 Fish, marine products and products of them. Method of determining the fraction of total mass of protein, fat, water, phosphorus, calcium and ash by the near-infra-red spectrometry
GOST R 53951-2010 Milk and milk-containing products. Determination of mass part of protein by Kjeldahl method
GOST R 53020-2008 Wheat and wheat flour. Determination of gluten content. Part 1. Manual method
GOST 18385.2-1979 Niobium. Spectral method for the determination of silicon, titanium and iron

Korean Agency for Technology and Standards (KATS), Determination of protein content by spectrometry

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 Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549-2006(2016) Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
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 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 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H ISO 5543-2006(2016) Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS H ISO 5550-2007(2012) Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5542:2006 Milk－Determination of protein content－Amido black dye-binding method(Rountine method)
KS H ISO 8195:2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195:2006 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 5543:2006 Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS H ISO 5543:2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)
KS H ISO 5542:2021 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 D ISO 715:2012 Zinc－Determination of lead content－Polarographic method

KR-KS, Determination of protein content by spectrometry

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 8195-2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 5543-2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)
KS H ISO 5542-2021 Milk — Determination of protein content — Amido black dye-binding method(Rountine method)

International Organization for Standardization (ISO), Determination of protein content by spectrometry

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 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 5548:1980 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 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 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
ISO 5550:2006|IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
ISO 5550:1978 Caseins and caseinates; Determination of water content (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 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
ISO 8968-5:2001|IDF 20-5:2001 Determination of milk nitrogen content Part 5: Determination of protein nitrogen content
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 8968-4:2001 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 8968-4:2001|IDF 20-4:2001 Determination of milk nitrogen content Part 4: Determination of non-protein nitrogen content
ISO 5542:1984 Milk; Determination of protein content; Amido black dye-binding method (Routine method)
ISO 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference 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 21415-2:2006 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
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 21415-2:2015 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten and gluten index by mechanical means
ISO 23319:2022 | IDF 250 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 23319:2022 | IDF 250:2022 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
ISO 8968-4:2001/Cor 1:2011 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content; Technical Corrigendum 1
ISO 13875:2005 | IDF 178:2005 Liquid milk — Determination of acid-soluble beta-lactoglobulin content — Reverse-phase HPLC method
ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 17997-2:2004 Milk - Determination of casein-nitrogen content - Part 2: Direct method
ISO 17997-2:2004 | IDF 29-2:2004 Milk — Determination of casein-nitrogen content — Part 2: Direct method
ISO 17997-2:2004|IDF 029-2:2004 Bovine Casein - Determination of Nitrogen Content Part 2: Direct Method
ISO 21415-4:2006 Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method
ISO 21415-3:2006 Wheat and wheat flour - Gluten content - Part 3: Determination of dry gluten from wet gluten by an oven drying method
ISO/TR 11046:1994 Soil quality - Determination of mineral oil content - Method by infrared spectrometry and gas chromatographic method
ISO 13875:2005 Liquid milk - Determination of acid-soluble -lactoglobulin content - Reverse-phase HPLC method
ISO 13875:2005|IDF 178:2005 Determination of acid-soluble β-lactoglobulin content in liquid milk by reversed-phase high performance liquid chromatography
ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method
ISO 17997-1:2004 Milk - Determination of casein-nitrogen content - Part 1: Indirect method (Reference method)
ISO 17997-1:2004 | IDF 29-1:2004 Milk — Determination of casein-nitrogen content — Part 1: Indirect method (Reference method)
ISO 17997-1:2004|IDF 029-1:2004 Bovine casein - Determination of nitrogen content Part 1: Indirect method (reference method)
ISO/TS 17837:2008 | IDF/RM 25: 2008 Processed cheese products — Determination of nitrogen content and crude protein calculation — Kjeldahl method
ISO 7124:2023 Eggs and egg products — Determination of fipronil and metabolites residues — Liquid chromatography tandem mass spectrometry method
ISO/TS 17837:2008 Processed cheese products - Determination of nitrogen content and crude protein calculation - Kjeldahl method
ISO/TS 17837:2008|IDF/RM 25:2008 Determination of nitrogen content and calculation of crude protein content in milk and milk products Kjeldahl method
ISO 10519:1997 Rapeseed — Determination of chlorophyll content — Spectrometric method
ISO 10519:2015 Rapeseed - Determination of chlorophyll content - Spectrometric method

British Standards Institution (BSI), Determination of protein content by spectrometry

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 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 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
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 EN ISO 21415-1:2007 Wheat and wheat flour - Gluten content - Determination of wet gluten by a manual 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 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
BS EN 15948:2012 Cereals. Determination of moisture and protein. Method using Near-Infrared- Spectroscopy in whole kernels
BS EN 15948:2015 Cereals. Determination of moisture and protein. Method using Near-Infrared-Spectroscopy in whole kernels
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 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 20483:2013 Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method
BS ISO 17997-1:2005 Milk - Determination of casein-nitrogen content - Indirect method (Reference method)
BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS 6248-7:1982 Caseins and caseinates - Method for determination of protein content (reference method)
BS ISO 17997-1:2004 Milk. Determination of casein-nitrogen content - Indirect method (Reference method)
BS EN 15948:2020 Cereals. Determination of moisture and protein. Method using Near-Infrared Spectroscopy in whole kernels
BS DD 220:1994 Soil quality - Determination of mineral oil content - Method by infrared spectrometry and gas chromatographic method
20/30376375 DC BS ISO 23319. Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method
BS ISO 13875:2005 Liquid milk - Determination of acid-soluble -lactoglobulin content - Reverse-phase HPLC method
BS EN ISO 23319:2022 Tracked Changes. Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method
18/30374728 DC BS EN 15948. Cereals. Determination of moisture and protein. Method using Near-Infrared-Spectroscopy in whole kernels
DD ISO/TS 17837:2008 Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
BS EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
BS DD CEN/TS 15022-4:2006 Copper and copper alloys - Determination of tin content - Medium tin content - Flame atomic absorption spectrometry method (FAAS)
BS DD CEN/TS 15022-4:2007 Copper and copper alloys. Determination of tin content. Medium tin content. Flame atomic absorption spectrometry method (FAAS)
BS EN 15022-4:2011 Copper and copper alloys. Determination of tin content. Medium tin content. Flame atomic absorption spectrometric method (FAAS)
BS ISO 6101-2:2019 Rubber. Determination of metal content by atomic absorption spectrometry - Determination of lead content
BS ISO 6101-1:2019 Rubber. Determination of metal content by atomic absorption spectrometry - Determination of zinc content

RO-ASRO, Determination of protein content by spectrometry

STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content
STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
STAS 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion
STAS SR 4895-6-1997 Tobacco and tobacco prodocts Determination of total proteins content (albumines)
SR ISO 5549:1996 Caseins and caseinates - Determination of protein content (Reference method)
STAS 6514-1975 FISH AND FISH PRODUCTS Determination of total proteic matters
STAS SR 13315-1996 Water quality - Iron determination - Spectrometric method of atomic absorption
STAS SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method

AT-ON, Determination of protein content by spectrometry

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
ONORM M 6280-1988 Water quülity; determination of manganese; formaldoxime spectrometric method
OENORM EN 15948-2020 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels

未注明发布机构, Determination of protein content by spectrometry

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 5983-1:2005(2009) Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1 : Kjeldahl method

ES-UNE, Determination of protein content by spectrometry

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 15948:2021 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
UNE-EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
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)

Standard Association of Australia （SAA）, Determination of protein content by spectrometry

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)

CZ-CSN, Determination of protein content by spectrometry

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 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 0111 Cast.4-1979 Testing methods for asein. Determination f fat content
CSN 57 0153-1986 Testing methods for meat products and sterilized food in preserves. Determination of protein content according to Kjeldahl
CSN 46 1011 Cast.18-1988 Testing of cereals, legumes and oil-bea-ring crops. Cereal testing. Crude protein determination.
CSN 46 7092-4-1998 Testing methods for feeding stuffs - Part 4: Determination of crude protein content

Lithuanian Standards Office , Determination of protein content by spectrometry

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)
LST ISO 5543:2004 Caseins and caseinates. Determination of fat content. Gravimetric method (Reference method) (idt ISO 5543:2004)
LST EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
LST 1645-2000/1K-2005 Swede rape and turnip rape seeds. Determination of moisture and volatile matter and oil and proteins content. Near infra-red light molecule absorption spectrometric method
LST 1645-2000 Swede rape and turnip rape seeds. Determination of moisture and volatile matter and oil and proteins content. Near infra-red light molecule absorption spectrometric method
LST EN 15948-2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
LST EN 15948-2021 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
LST 1493-1998 Ground wheat and milled wheat products. Determination of protein by near infrared reflectance (NIR) spectroscopy
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)
LST ISO 6491:1999 Animal feeding stuffs. Determination of phosphorus content. Spectrometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of protein content by spectrometry

GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 5511-2008 Cereals and pulses.Determination of the nitrogen content and calculation of the crude protein content.Kjeldahl method
GB/T 24897-2010 Inspection of grain and oils-Crude protein determination in rice-Near-infrared method
GB/T 24899-2010 Inspection of grain and oils-Determination of crude protein in wheat-Near-infrared method
GB/T 24901-2010 Inspection of grain and oils-Determination of crude protein in maize-Near-infrared method
GB/T 24871-2010 Inspection of grain and oils-Crude protein determination in wheat flour-Near-infrared method
GB/T 24870-2010 Inspection of grain and oils-Crude protein and crude fat determination in soybean-Near-infrared method
GB/T 18868-2002 Method for determination of moisture,crude protein,crude fat,crude fibre,lysine and methinione in feeds--Near infrared reflectance spectroscopy
GB/T 42699.1-2023 Textiles—Qualitative and quantitative proteomic analysis of some animal hair fibres—Part 1：Peptide detection using LC-ESI-MS with protein reduction
GB/T 24318-2009 Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content
GB/T 42699.2-2023 Qualitative and Quantitative Analysis of the Proteome of Certain Animal Hair Fibers in Textiles Part 2: Peptide Analysis of Reduced Proteins Matrix-Assisted Laser Desorption Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF-MS) Method
GB/T 5195.12-2016(英文版) Fluorite—Determination of arsenic content—Atomic fluorescence spectrometry
GB/T 8925-1988 Gasoline--Determination of lead-X-ray spectrometry

CEN - European Committee for Standardization, Determination of protein content by spectrometry

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
PREN 15948-2018 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels

Group Standards of the People's Republic of China, Determination of protein content by spectrometry

T/BPCT 001-2023 Determination of A2 β-casein content in cow milk and cow milk products by high performance liquid chromatography-mass spectrometry
T/GXAS 357-2022 Rapid screening of protein content in fresh wet rice noodles by near infrared spectroscopy
T/CSIQ 77001-2020 Determination of α-Lactalbumin contents in dairy products— HPLC method
T/CCAA 70-2023 Determination of lactoferrin in bovine infant formula by liquid chromatography tandem mass spectrometry
T/CSBME 026-2021 Myoglobin Quantitative Assay （Kit） (fluorescence immunochromatography)
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/CNFAGS 6-2023
T/AHFIA 068-2022 Determination of Formaldehyde in baijiu Gas Chromatography
T/CSBME 028-2021 Cardiac troponin-I quantitative Assay (kit) (fluorescence immunochromatography)
T/CPMA 023-2020 Determination of N-methylcarbamoylatedhaemoglobin in blood by liquid chromatography-tandem mass spectrometry
T/HXCY 022-2021 Operating Procedure for Determination of Crude Protein Content of Paper Mulberry Silage by Near-Infrared Spectrum（NIRS）Technology
T/ZFB 0055-2023 Textiles—Determination of fluorescent brighteners— Liquid chromatography-tandem mass spectrometry

GOSTR, Determination of protein content by spectrometry

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
GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
GOST 34567-2019 Meat and meat products. Method for determination of moisture, fat, protein, sodium chloride and ash using near infrared spectroscopy

IN-BIS, Determination of protein content by spectrometry

农业农村部, Determination of protein content by spectrometry

NY/T 3608-2020 Method for determination of collagen content in livestock and poultry bones Spectrophotometry
NY/T 3298-2018 Determination of crude protein in vegetable oils by near-infrared spectroscopy
NY/T 3870-2021 Determination of selenoamino acids in selenoproteins by liquid chromatography-atomic fluorescence spectrometry

European Committee for Standardization (CEN), Determination of protein content by spectrometry

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 15948:2015 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
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 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
EN 15948:2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
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
EN ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)

VN-TCVN, Determination of protein content by spectrometry

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 8766-2011 Milk and milk products.Determination of protein content.Acid orange 12 dye-binding 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 7774-2007 Milk.Determination of protein content.Amido black dye-binding method (Routine method)
TCVN 7253-2003 Tobacco and tobacco products.Determination of nitrogen protein content
TCVN 7871-2-2008 Wheat and wheat flour.Gluten content.Part 2: Determination of wet gluten by mechanical means
TCVN 4328-1-2007 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 1: Kjeldahl method
TCVN 7369-2004 Soils quality.Determination of mineral oil content.Method by infrared spectrometry and gas chromatographic method
TCVN 4328-2-2011 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 2: Block digestion and steam distillation 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, Determination of protein content by spectrometry

GB/T 35809-2018 Method for analysis of forestry biomass—Determination of protein content
GB/T 5195.12-2016 Fluorspar—Determination of arsenic content—Atomic fluorescence spectrometry

PL-PKN, Determination of protein content by spectrometry

PN C04288-14-1987 Technical fats Methods of testing Determination of protein content
PN-EN 15948-2021-03 E Cereals -- Determination of moisture and protein -- Method using Near-Infrared Spectroscopy in whole kernels
PN G04554-1992 Solid fuels. Determination of phosphorus content by the spectrographic method

Danish Standards Foundation, Determination of protein content by spectrometry

DS/EN 15948:2020 Cereals – Determination of moisture and protein – Method using Near-Infrared Spectroscopy in whole kernels
DS/EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
DS/EN 15948:2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
DS/ISO 17997-2:2004 Milk - Determination of casein-nitrogen content - Part 2: Direct method
DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
DS/ISO 17997-1:2004 Milk - Determination of casein-nitrogen content - Part 1: Indirect method (Reference method)
DS/ISO 13875:2007 Liquid milk - Determination of acid-soluble beta-lactoglobulin content - Reverse-phase HPLC-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 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/ISO 6491:1999 Animal feeding stuffs - Determination of phosphorus content - Spectrometric method

Taiwan Provincial Standard of the People's Republic of China, Determination of protein content by spectrometry

CNS 6511-2008 Method of test for meat and meat products - Determination of crude protein content
CNS 12762-2000 Method of test for lead in gasoline by X-ray spectrometry
CNS 15057-2007 Liquid petroleum products - Determination of fatty acid methyl esters (FAME) in middle distillates - Infrared spectroscopy method

AENOR, Determination of protein content by spectrometry

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

ZA-SANS, Determination of protein content by spectrometry

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
SANS 6878:2006 Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method
SANS 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method

International Dairy Federation (IDF), Determination of protein content by spectrometry

IDF 20-5-2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
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 20-4-2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
IDF/RM 25-2008 Milk and milk products - Determination of nitrogen content and crude protein calculation - Kjeldahl method
IDF 178-2005 Liquid milk - Determination of acid-soluble β-lactoglobulin content - Reverse-phase HPLC method

Professional Standard - Commodity Inspection, Determination of protein content by spectrometry

SN/T 3926-2014 Determination of protein content in dairy foods, egg foods and soy foods for export.Coomassie brilliant blue method
SN/T 4020-2013 Determination of impurity elements content in pure iron.X-ray fluorescence spectrometry
SN/T 4396-2015 Determination of fluorescent whitening agent 85、fluorescent whitening agent 71 and fluorescent whitening agent 113 in foodstuffs for export.LC-MS/MS method
SN/T 2497.20-2010 Test method of import and export dangerous chemicals-Part 20: Determination of protein content using Bradford method

国家药监局, Determination of protein content by spectrometry

YY/T 1805.3-2022 Tissue engineering medical device product collagen Part 3: Collagen content detection based on characteristic peptide determination - liquid chromatography-mass spectrometry
YY/T 0616.7-2020 Disposable medical gloves Part 7: Immunological determination of antigenic protein content

国家市场监督管理总局、中国国家标准化管理委员会, Determination of protein content by spectrometry

GB/T 38163-2019 Determination of allergenic protein—LC-MS/MS method
GB/T 41366-2022 Livestock and poultry meat quality testing—Determination of moisture, protein and fat—Near-infrared spectroscopy method
GB/T 40900-2021 Determination of fluorescent brightener 367 and fluorescent brightener 393 in cosmetics—Liquid chromatography-tandem mass spectrometry

Professional Standard - Tobacco, Determination of protein content by spectrometry

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

NL-NEN, Determination of protein content by spectrometry

NEN 3760-1984 Cheese - Determination of the nitrogen content according to Kjeldahl - Calculation of the crude protein content
NEN 3198-1984 Milk, evaporated milk and dried milk - Determination of the nitrogen content according to Kjeldahl - Calculation of the crude protein content (reference method)
NEN 2866-1989 Fruit juices Determination of nitrate content - Spectrometric method

PT-IPQ, Determination of protein content by spectrometry

NP 1986-1991 Milks Determination of protein content. Kjeldahl technique
NP 1996-2000 Cereals and pulses Determiantion of the nitrogen content and calculation of the raw protein content Kjeldhal method
NP 2935-1988

Agricultural Standard of the People's Republic of China, Determination of protein content by spectrometry

农业部783号公告-6-2006 Determination of iodinated casein in feeds.Liquid chromatography/Mass spectrometry
农业部1068号公告-3-2008 Determination of ten kinds of anabolic androgenic steroids in feeds.High performance liquid chromatography tandem mass spectrometry

海关总署, Determination of protein content by spectrometry

SN/T 5153-2019 Determination of fluorescent whitening agent content in household paper by UV spectroscopy
SN/T 5350.2-2021 Determination of sulfur and arsenic content by atomic fluorescence spectrometry

TH-TISI, Determination of protein content by spectrometry

TIS 2255.1-2005 Animal feeding stuff s-determination of nitrogen content and calculation of crude protein content.part 1: kjeldahl method
TIS 2255.2-2005 Animal feeding stuffs-determination of nitrogen content and calculation of crude protein content.part 2: block digestion/steam distillation method

ES-AENOR, Determination of protein content by spectrometry

UNE 34-835-1985

Japanese Industrial Standards Committee (JISC), Determination of protein content by spectrometry

JIS K 0400-55-20:1998 Water quality -- Determination of cadmium by atomic absorption spectrometry
JIS K 0400-49-20:1998 Water quality -- Determination of sodium and potassium -- Part 2: Determination of potassium by atomic absorption spectrometry
JIS K 0400-61-20:2001 Water quality -- Determination of arsenic -- Atomic absorption spectrometric method (hydride technique)
JIS K 0400-48-10:1998 Water quality -- Determination of sodium and potassium -- Part 3: Determination of sodium and potassium by flame emission spectrometry

Tianjin Provincial Standard of the People's Republic of China, Determination of protein content by spectrometry

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

HU-MSZT, Determination of protein content by spectrometry

MSZ 6830/5-1981

YU-JUS, Determination of protein content by spectrometry

JUS C.A1.650-1987 Methodes of chemical analysis of silver. Determination of impurities contents. Spectrographic metod".

BG-BDS, Determination of protein content by spectrometry

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

中华全国供销合作总社, Determination of protein content by spectrometry

GH/T 1337-2021 Rapid determination of impurity content in seed cotton using near-infrared spectroscopy

CH-SNV, Determination of protein content by spectrometry

SN EN 15948-2021 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels

IT-UNI, Determination of protein content by spectrometry

UNI EN 15948-2021 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels

Fujian Provincial Standard of the People's Republic of China, Determination of protein content by spectrometry

DB35/T 1146-2011 Determination of Impurity Element Content in Silicon Materials by Glow Discharge Mass Spectrometry

Anhui Provincial Standard of the People's Republic of China, Determination of protein content by spectrometry

DB34/T 3302-2018 Determination of five kinds of benzoxazole fluorescent whitening agents in cosmetics by high performance liquid chromatography tandem mass spectrometry

Professional Standard - Petrochemical Industry, Determination of protein content by spectrometry

SH/T 0242-1992 Determination of lead content in light petroleum products (atomic absorption spectrometry)

Professional Standard - Non-ferrous Metal, Determination of protein content by spectrometry

YS/T 1035-2015 Determination of carbon content in aluminum electrolyte.IR absorption spectrometry method
YS/T 1600-2023 Determination of trace impurity elements in silicon carbide single crystal —Glow discharge mass spectrometry

Professional Standard - Medicine, Determination of protein content by spectrometry

YY/T 1162-2009 Alpha-fetoprotein quantitative detection reagent(Kit) (Chemiluminescent Immunoassay)

Guangxi Provincial Standard of the People's Republic of China, Determination of protein content by spectrometry

DB45/T 1176-2015 Determination of Plumbaquinone Content in Plumbagodan by High Performance Liquid Chromatography

Yunnan Provincial Standard of the People's Republic of China, Determination of protein content by spectrometry

DB53/T 898-2018 Determination of Germanium Content in Coal by Atomic Fluorescence Spectrometry

国家能源局, Determination of protein content by spectrometry

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

Shandong Provincial Standard of the People's Republic of China, Determination of protein content by spectrometry

DB37/T 3762-2019 Determination of amantadine residues in eggs by liquid chromatography-tandem mass spectrometry