Protein Determination Instruments

Protein Determination Instruments, Total:251 items.

The international standard classification for "Protein Determination Instruments" includes: food products in general , Animal feeding stuffs , Edible oils and fats. Oilseeds , Fruits. Vegetables , Milk and processed milk products , Laboratory medicine , Man-made fibres , Tobacco, tobacco products and related equipment , Spices and condiments. Food additives .

The Chinese standard classification for "Protein Determination Instruments" includes: Food processing and products in general , Food sanitation , Livestock and poultry feed and additive , Oil crop and product , Basic standards and general methods , Other cash crops , Melon, fruit and vegetable planting and product , Basic standard and general method on forestry , Children foods , Cereal crop and product , Medical laboratory equipment , Chemical fibre in general , Chemical fibre , Tobacco , Flavoring materials .

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

GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 5413.1-1997 Milk powder and formula foods for infant and young children-Determination of protein
GB/T 5009.5-1985 Method for determination of protein in foods
GB/T 14771-1993 Method for determination of protein content in foods
GB/T 35809-2018 Method for analysis of forestry biomass—Determination of protein content
GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
GB/T 14489.2-2008 Inspection of grain and oils—Determination of crude protein in oilseeds
GB 8856-1988 Method for Determination of Crude Protein in Fruit and Vegetable Products
GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
GB/T 5009.5-2003 Determination of protein in foods
GB/T 14489.2-1993 Method for determination of crude protein in oilseed

Professional Standard - Machinery

JB/T 12964-2016 Fast analyzer for the protein in milk and powder milk

Jilin Provincial Standard of the People's Republic of China

DB22/T 2002-2014 Protein Rapid Detector in Milk and Milk Powder
DB22/T 1818-2013 Determination of urea-formaldehyde polymer in protein feed

Hebei Provincial Standard of the People's Republic of China

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

Professional Standard - Agriculture

201药典三部-2015 Content Determination Method 0731 General Principles of Protein Content Determination Method 50
92药典四部-2020 0700 Other Determination Methods 0731 Determination of Protein Content
NY/T 3493-2019 Agricultural biomass raw materials. Determination of crude protein
176药典三部-2010 Appendix Ⅵ ⅥB protein assay
220药典三部-2020 Content Determination Method 0731 Protein Content Determination Method
111药典四部-2015 0700 Other Determination Methods 0731 Determination of Protein Content
NY/T 520-2002 Quality protein maize
2330药典二部-2010 Appendix VII M Determination of protein content

National Metrological Technical Specifications of the People's Republic of China

JJF 2204-2025 Protein Purification Analyzer Calibration Specifications
JJF 2116-2024 Calibration Specification for Specific Protein Analyzers

Group Standards of the People's Republic of China

T/SHNX 001-2025 Determination of lactoferrin, α-lactalbumin and β-lactoglobulin in raw bovine milk by liquid chromatography-tandem mass spectrometry
T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed

Taiwan Provincial Standard of the People's Republic of China

CNS 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein
CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude Protein
CNS 3449-2007 Method of test for milk and milk products - Determination of protein
CNS 2770-5-1986 Method of Test for Feeds : Determination of Crude Protein

Professional Standard - Medicine

YY/T 1461-2016 Ischemia-modified albumin test reagent
YY/T 1444-2016 Total protein test reagent
YY/T 1228-2014 Albumin test reagent kit
YY/T 1246-2014 Glycohemoglobin analyzer
YY/T 1578-2018 Glycated albumin assay kit(enzymatic method)

未注明发布机构

CLSI C64-2021 Quantitative Measurement of Proteins and Peptides by Mass Spectrometry

Professional Standard - Textile

FZ/T 54029-2010 Protein viscose filament yarns
FZ/T 50018-2013 Determination of the protein content of the protein viscose fiber

Professional Standard - Tobacco

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

Professional Standard - Business

SB/T 10317-1999 Measurement of proteinase activity

Professional Standard - Commodity Inspection

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

International Organization for Standardization (ISO)

ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
ISO 8968-4:2016 | IDF 20-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 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 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
ISO 15323:2002|IDF173:2002 Determination of nitrogen solubility rate of milk powder protein products
ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
ISO 5546:1979 Caseins and caseinates; Determination of pH (Reference method)
ISO 5739:1983 Caseins and caseinates; Determination of scorched particles content
ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
ISO 5546:2010 | IDF 115:2010 Caseins and caseinates — Determination of pH (Reference method)
ISO 5546:2010|IDF 115:2010 Determination of pH value of casein and caseinate (standard method)
ISO 5550:2006|IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
ISO 5548:2004 | IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric method
ISO 5548:2004|IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric method
ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric method
ISO 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric method
ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
ISO 5550:1978 Caseins and caseinates; Determination of water content (Reference method)
ISO 5550:2006 | IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
ISO 5545:2008|IDF 90:2008 Determination of abomasal casein and caseinate ash (reference method)

Korean Agency for Technology and Standards (KATS)

KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H ISO 5549:2006 Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H ISO 5549-2006(2016) Caseins and caseinates－Determination of protein content(Reference method)
KS H 1204-2012 Testing method for crude proteins content
KS H 1204-2001 Testing method for crude proteins content
KS H 1204-2022 Testing method for crude proteins content
KS H ISO 9622:2021 Whole milk — Determination of milkfat, protein and lactose content — Guidance on the operation of mid-infrared instruments
KS H ISO 9622-2021 Whole milk — Determination of milkfat, protein and lactose content — Guidance on the operation of mid-infrared instruments
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H ISO 5739-2006(2016) Caseins and caseinates－Determination of scorched particles content
KS H ISO 5739:2021 Caseins and caseinates — Determination of scorched particles content
KS H ISO 5550-2007(2021) Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5739-2021 Caseins and caseinates — Determination of scorched particles content
KS H ISO 5546:2021 Caseins and caseinates — Determination of pH(Reference method)
KS H ISO 5546-2006(2016) Caseins and caseinates－Determination of pH(Reference method)
KS H ISO 5546-2021 Caseins and caseinates — Determination of pH(Reference method)
KS H ISO 9622-2006(2016) Whole milk -- Determination of milkfat, protein and lactose content -- Guidance on the operation of mid-infrared instruments
KS H ISO 5546:2006 Caseins and caseinates－Determination of pH(Reference method)
KS H 1204-2021 Testing method for crude proteins content
KS H ISO 5550-2007(2012) Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5550:2007 Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5548:2020 Caseins and caseinates－Determination of lactose content－Photometric method

RO-ASRO

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 6182/44-1977 WIN E Determination of proteins
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)
STAS 6514-1975 FISH AND FISH PRODUCTS Determination of total proteic matters
STAS 6283/4-1984 CEREALS Determination of raw protein content

German Institute for Standardization

DIN 10454:1983-03 Determination of protein content of caseins and caseinates; reference method
DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic 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 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN EN ISO 8968-4 E:2013-09 Determination of nitrogen content of milk and milk products Part 4: Determination of protein and non-protein nitrogen content and calculation of pure protein content (Reference Method) (Draft)
DIN EN ISO 8968-4 E:2013 Draft Document - Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non protein nitrogen content and true protein content calculation (Reference method) (ISO/DIS 8968-4:2013); German version prEN ISO 8968-...
DIN ISO 9622:2000-12 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments (ISO 9622:1999)
DIN 10456:1989-04 Determination of pH of caseins and caseinates; reference method
DIN 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
DIN ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference 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 20418-3 E:2019-08 Qualitative and quantitative proteomic analysis of some animal hair fibers in textiles Part 3: Peptide detection (without protein reduction) using liquid chromatography mass spectrometry (LC-MS) (draft)

AT-ON

ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
ONORM DIN 10456-1993 Determination of pH of caseins and caseinates - Reference method

Japanese Industrial Standards Committee (JISC)

JIS K 0602:2000 Proteins -- Serum albumin -- Methods for quantitative analysis
JIS K 0605:2000 Proteins -- Trypsin -- Methods for quantitative analysis
JIS K 0606:2000 Proteins -- Transferrin -- Methods for quantitative analysis
JIS K 0603:2000 Proteins -- Immunoglobulin -- Methods for quantitative analysis
JIS K 0604:2000 Proteins -- Monoclonal IgG -- Methods for quantitative analysis

Ente Nazionale Italiano di Unificazione

UNI 22632:2002 Oilseeds - Vegetable proteins content - Determination of total proteins (biuret method)
UNI 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)
UNI 22604:1992 Seed and vegetable oils and derived products. Vegetable proteins. Determination of crude protein.
UNI EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Determination of protein- nitrogen content
UNI 22629:2002 Oilseeds - Vegetable proteins content - Determination of soluble proteins (Bradford method)
UNI 22609:1992 Seed and vegetable oils and derived products. Vegetable proteins. Determination of total residue hexane in protein substances.
UNI EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Determination of non-protein nitrogen content
UNI 10689:1997 Durum wheat cariopsis. Mechanical determination of the dry gluten content.

Lithuanian Standards Office

LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
LST ISO 9622:2000 Whole milk. Determination of milkfat, protein and lactose content. Guidance on the operation of mid-infrared instruments (idt ISO 9622:1999)

CU-NC

NC 86-05-1984 Cereals. Flours Determination of Protein
NC 74-28-1985 Cattle-Raising. Animal Feeding. Determination of Rough Protein

Bureau of Indian Standards

IS 11888-2005 Casiens And Caseinated - Determination Of Contents Of Scorched Particles And Of Extraneous Matter
IS 18836-2024 Milk and Milk Products - Determination of Nitrogen Content - Determination of Protein and Non-Protein Nitrogen Content and True Protein Content Calculation (Reference Method)
IS 6606-2024 Medical Laboratory Glass Apparatus - Esbachâ€™s Albuminometer - Specification
IS 11963-2005 Caeins and Caseinates - Determination of Lactose Content - Photometric Method

CZ-CSN

CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 56 0186 Cast.12-1981 Testing methods for beer. art 12. etermination of proteins
CSN 57 0111-3-2002 Testing methods for casein and caseinates - Determination of moisture
CSN 57 0111-12-2002 Testing methods for casein and caseinates - Determination of pH
CSN 57 0111-8-2002 Testing methods for casein and caseinates - Determination of titratable acidity
CSN 57 0111-7-2002 Testing methods for casein and caseinates - Determination of ash
CSN 57 0105 Cast.5-1984 Powdered and condensed milk products. Testing methods. Determination of protein content

Association Francaise de Normalisation

NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF EN ISO 8968-4:2016 Milk and dairy products - Determination of nitrogen content - Part 4: determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method)
NF 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 V03-944:2021 Protein seeds - Peas, broad beans and fava beans - Determination of impurities
NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
NF V04-384*NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method).
NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
NF EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of certain animal fibers - Part 1: detection of peptides by LC ESI MS with protein reduction
NF V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.

GCC Standardization Organization

GSO ISO 8968-4:2021 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
GSO OIML R146-3:2021 Protein measuring instruments for cereal grain and oilseeds Part 3: Test report format
GSO OIML R146-1:2021 Protein measuring instruments for cereal grain and oilseeds Part 1: Metrological and technical requirements
GSO OIML R146-2:2021 Protein measuring instruments for cereal grain and oilseeds Part 2: Metrological controls and performance tests
GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)

Gosstandart of Russia

GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST 25179-1990 Milk. Methods for determination of protein
GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
GOST ISO 8968-4-2021 Milk and dairy products. Determination of nitrogen content. Part 4. Determination of protein and non-protein nitrogen content and calculation of true protein content (reference method)..
GOST ISO 5548-2016 Caseins and caseinates. Photometric method for determining the mass fraction of lactose
GOST 25011-1981 Meat and meat products. Methods of protein determination
GOST 25179-2014 Milk and milk products. Method for determination of protein
GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
GOST 25011-2017 Meat and meat products. Protein determination methods
GOST 20264.2-1988 Enzyme preparations. Methods for determination of proteolytic activity
GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method
GOST 31978-2012 Caseins and caseinates. Method for determination of pH
GOST 30131-1996 Oil-cake and ground oil-cake. Determination of moisture, oil and protein by infrared reflectance
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST ISO 5550-2017 Caseins and caseinates. Determination of moisture content (Reference method)
GOST R 51465-1999 Caseins and caseinates. Determination of scorched particles content
GOST R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
GOST 13496.4-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13496.4-2019 Fodder, мixed fodder and raw mixed fodder. Methods of nitrogen and crude protein determination
GOST R 51466-1999 Caseins. Method for determination of "fixed ash" mass fraction
GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13979.3-1968 Oilcakes oil-meals. Methods of determination of soluble proteins
GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
GOST R 57476-2017 Bird food protein. Specifications

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO OIML R146-3:2022 Protein measuring instruments for cereal grain and oilseeds Part 3: Test report format
BH GSO ISO 8968-4:2022 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BH GSO OIML R146-1:2022 Protein measuring instruments for cereal grain and oilseeds Part 1: Metrological and technical requirements
BH GSO OIML R146-2:2022 Protein measuring instruments for cereal grain and oilseeds Part 2: Metrological controls and performance tests
BH GSO ISO 5546:2016 Caseins and caseinates -- Determination of pH (Reference method)

British Standards Institution (BSI)

BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
BS ISO 9622:1999 Whole milk. Determination of milkfat, protein and lactose content. Guidance on the operation of mid-infrared instruments
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
BS ISO 15323:2002 Dried milk protein products. Determination of nitrogen solubility index
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by a rapid drying method
BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
BS ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
BS ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
BS 3985:1978 Specification for cyanmethaemoglobin (haemiglobincyanide) solution for photometric haemoglobinometry
BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
BS EN ISO 21415-3:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by an oven drying method

Danish Standards Foundation

DANSK DS/EN ISO 8968-4:2016 Milk and milk products – Determination of nitrogen content – Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
DS/ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
DS 2253:1983 Water quality. Determination of aerobic proteclytic bacteria at 30 centigrades
DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

Standard Association of Australia （SAA）

AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

Spanish Association for Standardization (UNE)

UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
AENOR UNE-EN ISO 8968-4:2016 Milk and dairy products. Determination of nitrogen content. Part 4: Determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method). (ISO 8968-4:2016)
UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
AENOR UNE 77059:2002 Water quality. Determination of aluminum. Colorimetric method with eriochromocyanin R.
UNE 34871:1986 PROCESSED CHEESE PRODUCTS. DETERMINATION OF THE PROTEIN CONTENT.
UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION
UNE 64011:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF THE RAW PROTEIN
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE 34-871-1986 Processed cheese. Determination of protein content

IN-BIS

IS 7481-1974 How to measure protein efficiency ratio (PER)
IS 13650-1993 Glass containers for proteinized food
IS 7219-1973 Methods for determination of protein in food and feed
IS 7482-1989 Protein Drinks—Specifications
IS 9095-1979 Specifications for protein gummies

Standards Norway

NS-EN ISO 8968-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)

Society of Automotive Engineers (SAE)

SAE AMS1800B Foam, Fire Extinguishing Liquid Protein and Fluoroprotein
SAE AMS1800-2011 FOAM, FIRE EXTINGUISHING LIQUID Protein and Fluoroprotein
SAE AMS1800 Foam, Fire Extinguishing Liquid Protein and Fluoroprotein
SAE AMS1800A Foam, Fire Extinguishing Liquid Protein and Fluoroprotein

VN-TCVN

TCVN 5461-1991 Synthetic detergents.Determination of proteinous activity
TCVN 6835-2001 Whole milk.Determination of milktat, protein and lactose content.Guidance on the operation of mid-infrared instruments
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

International Dairy Federation (IDF)

IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
IDF 90-2008 Rennet caseins and caseinates - Determination of ash (Reference method)

PL-PKN

PN C04288-14-1987 Technical fats Methods of testing Determination of protein content
PN C04576 ArkusZ13-1973 Water and waste water Tests for nilrogen Determination of albuminous nitrogen

CEN - European Committee for Standardization

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

AR-IRAM

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

Swedish Institute for Standards

SS-EN ISO 8968-4:2017 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) (ISO 8968-4:2016)

PT-IPQ

NP 1986-1991 Milks Determination of protein content. Kjeldahl technique

American Water Works Association (AWWA)

AWWA WQTC65752 Protein Assay in Drinking Water and Reclaimed Water

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
OS GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method

Magyar Szabványügyi Testület

MSZ KGST 1422-1978 Determination of protein content of phosphorus and phosphorus inorganic mixtures
MNOSZ 448-28.lap-1955 Water testing - amino acid protein testing
MSZ 21340-1980 animal protein feed

European Committee for Standardization (CEN)

EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

American Society for Testing and Materials (ASTM)

ASTM F831-83 Net Protein Ratio (NPR) Test Method