Determination of protein by spectrometer

Determination of protein by spectrometer, Total:203 items.

The international standard classification for "Determination of protein by spectrometer" includes: General methods of tests and analysis for food products , Milk and milk products in general , Biology. Botany. Zoology , Animal feeding stuffs , food products in general , Edible oils and fats. Oilseeds , Textiles in general , Fruits. Vegetables , Laboratory medicine .

The Chinese standard classification for "Determination of protein by spectrometer" includes: Basic standards and general methods , Milk and dairy products , Basic Subject in general , Livestock and poultry feed and additive , Food sanitation , Oil crop and product , Basic standards and general methods , Other cash crops , Food processing and products in general , Medical laboratory equipment .

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
T/CAAMM 314-2023 Procedure for rapid grading detection of protein content in fresh edible sweet potatoes using near-infrared spectroscopy
T/GXAS 357-2022 Rapid screening of protein content in fresh wet rice noodles by near infrared spectroscopy
T/CPMA 023-2020 Determination of N-methylcarbamoylatedhaemoglobin in blood by liquid chromatography-tandem mass spectrometry
T/SSFS 0006-2023 A rapid evaluation method for quality determination of protein peptide powder products by multi-step infrared spectroscopy
T/CAB 0062-2020 Identification of type Ⅲ collagen LC-MS/MS 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/TDSTIA 026-2022 Determination of α-lactalbumin and β-lactoglobulin in infant formula milk powder—Gel permeation chromatography

Professional Standard - Agriculture

SN/T 5712-2024 Determination of fluorescent whiteners in cosmetics by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry (LC-MS/MS)
SN/T 5071-2018 Determination of 19 kinds of nonprotein nitrogen compounds infoodstuffs of origin for export - LC-MS/MS method
176药典三部-2010 Appendix Ⅵ ⅥB protein assay
NY/T 3298-2018 Determination of crude protein content in vegetable oilseeds—Near-infrared spectroscopy method
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
220药典三部-2020 Content Determination Method 0731 Protein Content Determination Method
NY/T 3870-2021 Determination of selenoamino acid in selenoprotein—Liquid chromatography-atomic fluorescence spectrometry
NY/T 4630-2025 Determination of α-lactalbumin and β-lactoglobulin in milk and dairy products by high performance liquid chromatography
NY/T 2659-2014 Rapid determination of fat,protein,lactose and total solids in milk—Infrared spectrometry
111药典四部-2015 0700 Other Determination Methods 0731 Determination of Protein Content
NY/T 3493-2019 Agricultural biomass raw materials. Determination of crude protein

未注明发布机构

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

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

GB/T 14771-1993 Method for determination of protein content in foods
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
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 14489.2-1993 Method for determination of crude protein in oilseed
GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein
GB/T 18868-2024 Rapid determination of moisture, crude protein, crude fibre, crude fat, lysine and methinione in feeds—Near infrared spectroscopy
GB/T 5009.5-2003 Determination of protein in foods
GB/T 22260-2023 Determination of anabolic steroids in feeds—Liquid chromatography-tandem mass spectrometry
GB/T 42699.2-2023 Textiles―Qualitative and quantitative proteomic analysis of some animal hair fibres―Part 2:Peptide detection using MALDI-TOF-MS
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
GB/T 5009.5-1985 Method for determination of protein in foods
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 38163-2019 Determination of allergenic protein—LC-MS/MS method

Professional Standard - Machinery

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

Agricultural Standard of the People's Republic of China

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
农业部783号公告-6-2006 Determination of iodinated casein in feeds.Liquid chromatography/Mass spectrometry

Jilin Provincial Standard of the People's Republic of China

DB22/T 3646-2024 Identification of Changbai Mountain forest frog oil High-performance liquid chromatography protein characteristic mapping method
DB22/T 2002-2014 Protein Rapid Detector in Milk and Milk Powder

Hebei Provincial Standard of the People's Republic of China

DB13/T 1098-2009 Determination of protein in feed

Professional Standard - Commodity Inspection

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

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

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

Taiwan Provincial Standard of the People's Republic of China

CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude 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

Professional Standard - Medicine

YY/T 1805.3-2022 Tissue engineering medical device products—Collagen protein—Part 3:Quantification of collagen based on marker peptide detection—Liquid chromatography-mass spectrometry
YY/T 1228-2014 Albumin test reagent kit

German Institute for Standardization

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 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 10470 E:2010 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 10470 E:2010-05 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN EN 15948:2019-01 Draft Document - Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels; German and English version prEN 15948:2018
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 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)
DIN 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic 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 15948 E:2019-01 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
DIN EN 15948 E:2014-08 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
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 EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020); German version EN ISO 20418-3:2020
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 EN 15948 E:2019 Draft Document - Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels; German and English version prEN 15948:2018
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 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 15948:2020 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels; German version EN 15948:2020
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-...

Gosstandart of Russia

GOST 30131-1996 Oil-cake and ground oil-cake. Determination of moisture, oil and protein by infrared reflectance
GOST ISO 5548-2016 Caseins and caseinates. Photometric method for determining the mass fraction of lactose
GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST EN 15948-2022 Cereals. Determination of moisture and protein. Method using near infrared spectroscopy in whole grain
GOST 25179-1990 Milk. Methods for determination of protein
GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
GOST 34567-2019 Meat and meat products. Method for determination of moisture, fat, protein, sodium chloride and ash using near infrared spectroscopy
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 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 20264.2-1988 Enzyme preparations. Methods for determination of proteolytic activity
GOST 25011-2017 Meat and meat products. Protein determination methods

British Standards Institution (BSI)

BS 3985:2003 Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
BS 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
BS EN 15948:2015 Cereals. Determination of moisture and protein. Method using Near-Infrared-Spectroscopy in whole kernels
BS EN 15948:2012 Cereals. Determination of moisture and protein. Method using Near-Infrared- Spectroscopy in whole kernels
BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
BS EN 15948:2020 Cereals. Determination of moisture and protein. Method using Near-Infrared Spectroscopy in whole kernels
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 3985:1978 Specification for cyanmethaemoglobin (haemiglobincyanide) solution for photometric haemoglobinometry
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
18/30374728 DC BS EN 15948. Cereals. Determination of moisture and protein. Method using Near-Infrared-Spectroscopy in whole kernels
BS 3985:1966 Specification for cyanmethaemoglobin solution for photometric haemoglobinometry
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content

Standards Norway

NS-EN 15948:2020 Cereals — Determination of moisture and protein — Method using Near-Infrared Spectroscopy in whole kernels
NS-EN 15948:2015 Cereals — Determination of moisture and protein — Method using Near-Infrared-Spectroscopy in whole kernels
NS-EN 15948:2012 Cereals — Determination of moisture and protein — Method using Near-Infrared-Spectroscopy in whole kernels
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)

Danish Standards Foundation

DS/EN 15948:2020 Cereals – Determination of moisture and protein – Method using Near-Infrared Spectroscopy in whole kernels
DANSK DS/EN 15948:2020 Cereals – Determination of moisture and protein – Method using Near-Infrared Spectroscopy in whole kernels
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/EN 15948:2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
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

PL-PKN

PN-EN 15948-2021-03 E Cereals -- Determination of moisture and protein -- Method using Near-Infrared Spectroscopy in whole kernels
PN C04288-14-1987 Technical fats Methods of testing Determination of protein content

Spanish Association for Standardization (UNE)

UNE-EN 15948:2015 Determination of moisture and protein content in cereals by near infrared spectroscopy
UNE-EN 15948:2021 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
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)

European Committee for Standardization (CEN)

EN 15948:2015 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
EN 15948:2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels

International Organization for Standardization (ISO)

ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
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 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 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 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content

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 5549-2006(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 8195-2006 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 5548:2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H 1204-2012 Testing method for crude proteins content
KS H ISO 5548:2006 Caseins and caseinates－Determination of lactose content－Photometric method
KS H 1204-2022 Testing method for crude proteins content
KS H 1204-2001 Testing method for crude proteins content
KS H ISO 5548-2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content

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 SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method
STAS 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion

Swedish Institute for Standards

SS-EN 15948:2015 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
SS-EN 15948:2020 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
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)

Ente Nazionale Italiano di Unificazione

UNI EN 15948:2021 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
UNI EN 15948:2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
UNI EN 15948:2015 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
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)

GOST

GOST R 71208-2024 Grain. Determination of moisture, protein, and gluten by near-infrared spectroscopy

Association Francaise de Normalisation

NF V03-768*NF EN 15948:2020 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels
NF EN 15948:2020 Cereals - Determination of water and protein content - Method using near-infrared spectroscopy on whole grains
NF V03-768:2015 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
NF V03-768:2012 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels.
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method
NF 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)

AT-ON

ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
OENORM EN 15948-2020 Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels

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

Lithuanian Standards Office

LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
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 ISO 5548:2004 Caseins and caseinates. Determination of lactose content. Photometric method (idt ISO 5548:2004)

CU-NC

NC 86-05-1984 Cereals. Flours Determination of Protein

Bureau of Indian Standards

IS 11888-2005 Casiens And Caseinated - Determination Of Contents Of Scorched Particles And Of Extraneous Matter
IS 11963-2005 Caeins and Caseinates - Determination of Lactose Content - Photometric Method
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)

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 5548:2015 Caseins 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

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 ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
GSO ISO 7124:2024 Eggs and egg products — Determination of fipronil and metabolites residues — Liquid chromatography tandem mass spectrometry method

Kingdom of Bahrain Testing and Metrology Directorate

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)

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)

IT-UNI

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

CH-SNV

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

CEN - European Committee for Standardization

PREN 15948-2018 Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

IN-BIS

IS 7481-1974 How to measure protein efficiency ratio (PER)
IS 11963-1987 Photometric method for determination of lactose content in casein and caseinate

International Dairy Federation (IDF)

IDF/RM 216-2009 Milk and milk products - Determination of hen's egg white lysozyme by HPLC
IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

VN-TCVN

TCVN 5461-1991 Synthetic detergents.Determination of proteinous activity

AR-IRAM

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

PT-IPQ

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