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Determination of protein content by spectrometry

Determination of protein content by spectrometry, Total:498 items.

In the international standard classification, Determination of protein content by spectrometry involves: Milk and milk products, Meat, meat products and other animal produce, Cereals, pulses and derived products, Processes in the food industry, Beverages, Fruits. Vegetables, Analytical chemistry, General methods of tests and analysis for food products, Paper products, Animal feeding stuffs, Medical equipment, Quality, Food products in general, Non-ferrous metals, Biology. Botany. Zoology, Metalliferous minerals, Tobacco, tobacco products and related equipment, Laboratory medicine, Water quality, Edible oils and fats. Oilseeds, Farming and forestry, Non-metalliferous minerals, Coals, Inorganic chemicals, Fuels, Rubber, Semiconducting materials, Spices and condiments. Food additives, Testing of metals, Fertilizers, Tea. Coffee. Cocoa, Crude petroleum, Petroleum products in general, Ferrous metals, Terminology (principles and coordination), Ferroalloys.

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 V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
NF ISO 5548:2008 Caséines et caséinates - Détermination de la teneur en lactose - Méthode photométrique
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
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 V04-382:1988 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 V04-382:2008 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference 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 5550:2007 Caséines et caséinates - Détermination de la teneur en humidité (méthode de référence)
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 V04-388:1985 Caseins and caseinates. Determination of lactose content. Photometric method.
NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
NF EN ISO 23319:2022 Fromages et fromages fondus, caséines et caséinates - Détermination de la teneur en matière grasse - Méthode gravimétrique
NF V04-558*NF EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric 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 V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
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 V04-216:1985 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 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 V03-750:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method.
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 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 V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
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
NF V03-911:2001 Rapeseed - Determination of chlorophyll content - Spectrometric method.
NF V03-911*NF EN ISO 10519:2015 Rapeseed - Determination of chlorophyll content - Spectrometric method
NF V03-911:1998 RAPESEED. DETERMINATION OF CHLOROPHYLL CONTENT. SPECTROMETRIC METHOD.
NF M07-064*NF EN 238:1996 Liquid petroleum products. Petrol. Determination of the benzene content by infrared 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 EN ISO 10519:2015 Graines de colza - Détermination de la teneur en chlorophylle - Méthode spectrométrique
NF V04-220*NF ISO 9874:2008 Milk - Determination of total phosphorus content - Method using molecular absorption spectrometry
NF V04-220:1992 Milk. Determination of total phophorus content. Method using molecular absorption spectrometry.
NF V76-103*NF EN 1136:1994 Fruit and vegetable juices. Determination of phosphorus content. Spectrometric method.
NF V04-021*NF ISO 15163:2012 Milk and milk products - Calf rennet and adult bovine rennet - Determination by chromatography of chymosin and bovine pepsin contents.
NF ISO 15163:2012 Lait et produits laitiers - Présure de veau et coagulant issu de bovin adulte - Détermination des teneurs en chymosine et en pepsine bovine par chromatographique

German Institute for Standardization, Determination of protein content by spectrometry

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 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 10464:1994-08 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 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 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 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 10472:1996-06 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
DIN ISO 5550:2020 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
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 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 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic 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 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 EN 15948:2020-12 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels; German version EN 15948:2020
DIN 10473:1997-12 Determination of acid soluble <beta>-lactoglobulin content of heat-treated milk - Reversed phase, high performance liquid chromatographic method
DIN 10454:1983 Determination of protein content of caseins and caseinates; reference 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 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 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 10519:2000 Rapeseed - Determination of chlorophyll content - Spectrometric method (ISO 10519:1997); German version EN ISO 10519:2000
DIN EN 1233:1996 Water quality - Determination of chromium - Atomic absorption spectrometric methods; German version EN 1233:1996
DIN 10473:1997 Determination of acid soluble -lactoglobulin content of heat-treated milk - Reversed phase, high performance liquid chromatographic method
DIN EN 12146:1996-10 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method; German version EN 12146:1996
DIN 58904:1998 Haemostaseology - Determination of protein C activity - Reference measurement procedure with a chromogenic peptide substrate

RU-GOST R, Determination of protein content by spectrometry

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 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 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
GOST R 51465-1999 Caseins and caseinates. Determination of scorched particles 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 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 16274.10-1977 Bismuth. Spectral method for determination of mercury content
GOST 20997.1-1981 Thallium. Method of the spectral determination of mercury
GOST R 55246-2012 Milk and milk products. Determination of non-protein nitrogen content by 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 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 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 R 53020-2008 Wheat and wheat flour. Determination of gluten content. Part 1. Manual method
GOST 30648.2-1999 Infant milk products. Methods for determination of total protein
GOST 18385.2-1979 Niobium. Spectral method for the determination of silicon, titanium and iron
GOST 24977.2-1981 Tellurium high purity. Spectral method for the determination of impurities
GOST 21138.4-1985 Chalk. Method for determination of copper content
GOST 21138.9-1978 Chalk. Method for determination of manganese mass fraction
GOST ISO/TS 17837-2013 Processed cheese products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
GOST 20068.4-1988 Tinless bronze. X-ray spectral fluorescent method for determination of aluminium
GOST 30508-1997 Lead concentrates. Method of spectrum analysis
GOST R 51925-2002 Gasolines. Determination of manganese by method of atomic absorption spectroscopy
GOST R 51942-2002 Gasolines. Determination of lead by method of atomic absorption spectrometry
GOST 11884.17-1982 Tungsten concentrate. Spectrum method of determination of calcium oxide content
GOST R 51942-2010 Gasolines. Determination of lead by method of atomic absorption spectrometry
GOST 32886-2014 Foodstuffs of processed poultry eggs. Determination of cholesterol content by gas chromatographic method
GOST 30131-1996 Oil-cake and ground oil-cake. Determination of moisture, oil and protein by infrared reflectance

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

KS H ISO 5548:2006 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5548:2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 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 1204-2012 Testing method for crude proteins content
KS H 1204-2001 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 5550-2007(2012) Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5739-2006(2016) Caseins and caseinates－Determination of scorched particles content
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 5739:2021 Caseins and caseinates — Determination of scorched particles content
KS H 1204-2021 Testing method for crude proteins content
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H ISO 5542:2006 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 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
KS D ISO 4751:2002 Copper and copper alloys－Determination of tin content－ Spectrometric method
KS D ISO 13900:2003 Steel－Determination of boron content－Curcumin spectrophotometric method after distillation
KS M ISO 6101-5:2019 Rubber — Determination of metal content by atomic absorption spectrometry — Part 5: Determination of iron content
KS M ISO 6101-5:2009 Rubber-Determination of metal content by atomic absorption spectrometry-Part 5:Determination of iron content
KS E ISO 317:2011 Manganese ores and concentrates-Determination of arsenic content-Spectrometric method

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

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 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
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 5543:2004 | IDF 127:2004 Caseins and caseinates — Determination of fat content — Gravimetric method (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 5550:2006 | IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference 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 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
ISO 21415-2:2006 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
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 5739:1983 Caseins and caseinates; Determination of scorched particles content
ISO 21415-2:2015 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten and gluten index by mechanical means
ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 5739:2003 | IDF 107:2003 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 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 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 13875:2005 | IDF 178:2005 Liquid milk — Determination of acid-soluble beta-lactoglobulin content — Reverse-phase HPLC method
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 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 23319:2022 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 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 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 5983:1979 Animal feeding stuffs; Determination of nitrogen content and calculation of crude protein content
ISO 21415-1:2006 Wheat and wheat flour - Gluten content - Part 1: Determination of wet gluten by a manual 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 20483:2013 Cereals and pulses.Determination of the nitrogen content and calculation of the crude protein content.Kjeldahl method
ISO/TS 17837:2008 | IDF/RM 25: 2008 Processed cheese products — Determination of nitrogen content and crude protein calculation — Kjeldahl 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
ISO 6101-6:2011 Rubber - Determination of metal content by atomic absorption spectrometry - Part 6: Determination of magnesium content
ISO 6101-6:2018 Rubber - Determination of metal content by atomic absorption spectrometry - Part 6: Determination of magnesium content
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 4294:1984 Manganese ores and concentrates; Determination of copper content; Extraction-spectrometric and spectrometric methods
ISO 10519:1992 Rapeseed; determination of chlorophyll content; spectrometric method
ISO 4751:1984 Copper and copper alloys; Determination of tin content; Spectrometric method
ISO/TR 16043:2015 Iron ores - Determination of chlorine content - X-ray fluorescence spectrometric method
ISO/TS 9941:2003 Milk and canned evaporated milk - Determination of tin content - Spectrometric method
ISO/TS 9941:2005 Milk and canned evaporated milk - Determination of tin content - Spectrometric method
ISO/TS 9941:2005|IDF/RM 160:2005 Determination of tin content in milk and canned evaporated milk Spectrophotometric method
ISO 15163:2012 | IDF 110:2012 Milk and milk products — Calf rennet and adult bovine rennet — Determination by chromatography of chymosin and bovine pepsin contents

KR-KS, Determination of protein content by spectrometry

KS H ISO 5548-2020 Caseins and caseinates－Determination of lactose content－Photometric method
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 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 5739-2021 Caseins and caseinates — Determination of scorched particles content
KS H ISO 5542-2021 Milk — Determination of protein content — Amido black dye-binding method(Rountine method)
KS M ISO 6101-5-2019 Rubber — Determination of metal content by atomic absorption spectrometry — Part 5: Determination of iron content

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

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 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 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 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 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
BS 3985:2003 Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
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 ISO 17997-1:2004 Milk. Determination of casein-nitrogen content - Indirect method (Reference method)
BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
20/30376375 DC BS ISO 23319. Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric 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 ISO 13875:2005 Liquid milk - Determination of acid-soluble -lactoglobulin content - Reverse-phase HPLC method
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 23319:2022 Tracked Changes. Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method
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 EN ISO 20483:2013 Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method
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
BS 6248-7:1982 Caseins and caseinates - Method for determination of protein content (reference method)
BS EN 16197:2012 Fertilizers. Determination of magnesium by atomic absorption spectrometry
BS ISO 6101-3:2014 Rubber. Determination of metal content by atomic absorption spectrometry. Determination of copper content
BS ISO 6101-4:2014 Rubber. Determination of metal content by atomic absorption spectrometry. Determination of manganese content
BS ISO 6101-5:2006 Rubber - Determination of metal content by atomic absorption spectrometry - Determination of iron content
BS ISO 6101-5:2018 Rubber. Determination of metal content by atomic absorption spectrometry. Determination of iron content
BS EN 15948:2020 Cereals. Determination of moisture and protein. Method using Near-Infrared Spectroscopy in whole kernels
BS EN ISO 10519:2001 Rapeseed - Determination of chlorophyll content - Spectrometric method
BS DD CEN/TS 16197:2011 Fertilizers. Determination of magnesium by atomic absorption spectrometry
BS EN ISO 10519:1998 Rapeseed. Determination of chlorophyll content. Spectrometric method
BS EN ISO 10519:2015 Rapeseed. Determination of chlorophyll content. Spectrometric method
PD ISO/TR 16043:2015 Iron ores. Determination of chlorine content. X-ray fluorescence spectrometric method
BS ISO 11438-5:1993 Ferronickel. Determination of trace-element content by electrothermal atomic absorption spectrometric method - Determination of tellurium content
BS ISO 11438-6:1993 Ferronickel. Determination of trace-element content by electrothermal atomic absorption spectrometric method - Determination of thallium content
BS ISO 11438-7:1993 Ferronickel. Determination of trace-element content by electrothermal atomic absorption spectrometric method - Determination of silver content
BS ISO 11438-8:1993 Ferronickel. Determination of trace-element content by electrothermal atomic absorption spectrometric method - Determination of indium content

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
242药典三部-2020 Content Determination Method 3121 Determination of Human Albumin Polymer
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
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
2330药典二部-2010 Appendix VII M Determination of protein content
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
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
245药典三部-2020 Content Determination Method 3124 Human Granulocyte Stimulating Factor Protein Content Determination Method
225药典三部-2015 Content Determination Method 3123 General Rules for Determination of Glycine Content in Human Immunoglobulin 62
NY/T 1205-2006 Method for determination of water solubale protein in soybean
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
226药典三部-2015 Content Assay 3124 Recombinant Human Granulocyte Stimulating Factor Protein Assay General Rules 62
291药典三部-2020 Bioassay 3411 Determination of Bovine Serum Albumin Residues
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
247药典四部-2015 3400 Bioassay 3411 Bovine Serum Albumin Residue Determination
240药典四部-2020 3400 Bioassay 3411 Bovine Serum Albumin Residue Determination
NY/T 2007-2011 Determination of the crude protein content in cereal and pules seeds by combustion according to the dumas principle
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
NY/T 2659-2014 Rapid determination of fat,protein,lactose and total solids in milk.Infrared spectrometry
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
266药典三部-2015 Bioassay 3411 General Rules for Determination of Bovine Serum Albumin Residues 111
263药典三部-2020 Determination of Chemical Residues 3208 Determination of Aluminum Residues in Human Serum Albumin
219药典三部-2010 Appendix Ⅷ ⅧI Determination of Bovine Serum Albumin Residues
209药典三部-2010 Appendix VII VIIK Determination of Aluminum Residues in Human Serum Albumin
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
229药典四部-2015 3200 Determination of Chemical Residues 3208 Determination of Aluminum Residues in Human Serum Albumin
220药典四部-2020 3200 Determination of Chemical Residues 3208 Determination of Aluminum Residues in Human Serum Albumin
227药典三部-2015 Content Determination Method 3125 Histamine General Rules for Determination of Free Histamine Phosphate in Human Immunoglobulin 63
194药典三部-2010 Appendix VI VIU Determination of Recombinant Human Granulocyte Stimulating Factor Protein Content
224药典三部-2015 Content Determination Method 3122 Human Immunoglobulin Products IgG Monomer Plus Dimer Assay General Rules 61
NY/T 4306-2023 Determination of activity of papaya and bromelain by ultraviolet spectrophotometry
NY/T 4362-2023 Determination of Feed Additive Keratinase Activity Spectrophotometric Method
240药典三部-2015 Determination of Chemical Residues 3208 General Rules for Determination of Aluminum Residues in Human Serum Albumin 75
GB/T 22260-2023 Determination of Anabolic Hormones in Feed by Liquid Chromatography-Tandem Mass Spectrometry

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 3870-2021 Determination of selenoamino acids in selenoproteins by liquid chromatography-atomic fluorescence spectrometry
NY/T 3298-2018 Determination of crude protein in vegetable oils by near-infrared spectroscopy

Lithuanian Standards Office , Determination of protein content by spectrometry

LST ISO 5548:2004 Caseins and caseinates. Determination of lactose content. Photometric method (idt ISO 5548:2004)
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 EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
LST EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content (ISO 8968-4:2001)
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 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 ISO 6491:1999 Animal feeding stuffs. Determination of phosphorus content. Spectrometric method
LST EN 12146-2000 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP 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 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)

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

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

T/CSIQ 77001-2020 Determination of α-Lactalbumin contents in dairy products— HPLC method
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/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/TDSTIA 026-2022 Determination of α-lactalbumin and β-lactoglobulin in infant formula milk powder—Gel permeation chromatography
T/AHFIA 068-2022 Determination of Formaldehyde in baijiu Gas Chromatography
T/CSBME 028-2021 Cardiac troponin-I quantitative Assay (kit) (fluorescence immunochromatography)
T/HXCY 022-2021 Operating Procedure for Determination of Crude Protein Content of Paper Mulberry Silage by Near-Infrared Spectrum（NIRS）Technology
T/TDSTIA 002-2021 Determination of α-lactalbumin in milk and milk products by high performance liquid chromatography
T/TDSTIA 006-2019 Determination of lactoferrin in milk and milk products by liquid chromatography
T/CBJ 2203-2019 Determination of the aged Baijiu by fluorescence spectrometry
T/TDSTIA 007-2019 Determination of β-lactoglobulin in milk and milk products by liquid chromatography
T/CAB 0063-2020 Detection method of Type Ⅲ collagen promoting cell adhesion Spectrophotometry

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 9597/3-1974 COMBINED FORAGES Determination of rough protein content
STAS 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion
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 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
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

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 0111 Cast.4-1979 Testing methods for asein. Determination f fat 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 46 7092-4-1998 Testing methods for feeding stuffs - Part 4: Determination of crude protein 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.

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

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)

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 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
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 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)
UNE-EN 15948:2021 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
UNE-EN 1136:1995 FRUIT AND VEGETABLE JUICES. DETERMINATION OF PHOSPHORUS CONTENT. SPECTROMETRIC METHOD.

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

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 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 178-2005 Liquid milk - Determination of acid-soluble β-lactoglobulin content - Reverse-phase HPLC method
IDF/RM 216-2009 Milk and milk products - Determination of hen's egg white lysozyme by HPLC
IDF/RM 25-2008 Milk and milk products - Determination of nitrogen content and crude protein calculation - Kjeldahl method
IDF 110-2012 Milk and milk products - Calf rennet and adult bovine rennet - Determination by chromatography of chymosin and bovine pepsin contents

VN-TCVN, Determination of protein content by spectrometry

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 7871-2-2008 Wheat and wheat flour.Gluten content.Part 2: Determination of wet gluten by mechanical means
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
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 7253-2003 Tobacco and tobacco products.Determination of nitrogen protein content
TCVN 4328-1-2007 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 1: Kjeldahl method
TCVN 7871-1-2008 Wheat and wheat flour.Gluten content.Part 1: Determination of wet gluten by a manual method
TCVN 7602-2007 Foodstuffs.Determination of lead content by atomic absorption spectrophotometric method

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

EN ISO 21415-2:2008 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
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 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
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 1136:1994 Fruit and vegetable juices - Determination of phosphorus content - Spectrometric method
prEN 238-1985 Liquid petroleum products; determination of the benzene content; infrared 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 15673-2009 Determination of crude protein in edible mushroom
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 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products
GB/T 24871-2010 Inspection of grain and oils-Crude protein determination in wheat flour-Near-infrared 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
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 24870-2010 Inspection of grain and oils-Crude protein and crude fat determination in soybean-Near-infrared method
GB/T 11140-1989 Petroleum products--Determination of sulfur--X-ray spectrometry
GB/T 8020-1987 Gasoline--Determination of lead content--Atomic absorption spectrometry
GB/T 21033-2007 Determination of immunoglobulin in feeds.High-performance liquid chromatogaphy

HU-MSZT, Determination of protein content by 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 R 51942-2019 Gasolines. Determination of lead by atomic absorption spectrometry method
GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein

TN-INNORPI, Determination of protein content by spectrometry

NT 14.51-1983

AENOR, Determination of protein content by spectrometry

UNE 34827:1983 DETERMINATION OF THE CASEIN CONTENT OF MILK.
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)
UNE-EN 12146:1997 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method
UNE-EN ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)

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
NEN 6349-1991 Vegetable and animal oils and fats - Determination of phosphorus content Spectrometric method

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

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

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

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

DB46/T 313-2015 Coconut Crude Protein and Crude Fat Determination

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 8968-4:2002 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
DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
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
DS/EN ISO 10519:2001 Rapeseed - Determination of chlorophyll content - Spectrometric method
DS/EN 12146:1997 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method
DS/EN 15948:2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels

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 6610-2008 Method of test for meat and meat products - Determination of soybean flour and soy protein concentrate content

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 4751:1984 Copper and copper alloys - Determination of tin content - Spectrometric method
SANS 6265:2006 Water - Calcium and magnesium content - Atomic absorption spectrometric method

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

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 3382-2012 Determination of non-protein-nitrogen content in milk and dairy products for export
SN/T 1113-2002 Determination method of phycocyanin and chlorophyll content in spirulina powder for import and export
SN/T 4020-2013 Determination of impurity elements content in pure iron.X-ray fluorescence spectrometry
SN/T 3370-2012 Determination of arsenic,mercury in tungsten ore.Atomic fluorescence spectrometric 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

YU-JUS, Determination of protein content by spectrometry

JUS E.B8.031-1978 Specification ofwheatfor milling industry. Determination ofraw protein content
JUS E.B8.034-1978 Specification of wheat for milling industry. Determination of raw protein content macro-micro method according to Kjeldahl
JUS E.K8.049-1997 Vegetable fats and oils - Determination of eggyolk content in mayonnaise and related products - Spectrophotometric anafysis (Routine method)

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

其他未分类, Determination of protein content by spectrometry

BJS 201915

Professional Standard - Tobacco, Determination of protein content by spectrometry

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

Professional Standard - Medicine, Determination of protein content by spectrometry

YY/T 1162-2009 Alpha-fetoprotein quantitative detection reagent(Kit) (Chemiluminescent Immunoassay)
YY/T 1233-2014 Cardiac troponin-I(cTnl) quantitative detection reagent (kit) (Chemiluminescent immunoassay)

Professional Standard - Hygiene , Determination of protein content by spectrometry

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

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

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

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
SY/T 7379-2017 Determination of water content in natural gas by laser absorption 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

PT-IPQ, Determination of protein content by spectrometry

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

Professional Standard - Petroleum, Determination of protein content by spectrometry

SY/T 0528-2008 Determination of arsenic in crude petroleum.Atomic fluorescence spectrometry
SY/T 0528-1993 Determination of Trace Arsenic in Crude Oil by Atomic Absorption Spectrometry

ES-AENOR, Determination of protein content by spectrometry

UNE 34-835-1985

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

SH/T 0742-2004 Standard test method for sulfur in gasoline by energy-dispersive X-ray fluorescence spectrometry
SH/T 0711-2002 Standard test method for manganese in gasoline by atomic absorption spectroscopy
SH/T 0712-2002 Standard test method for iron in gasoline by atomic absorption spectroscopy

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

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