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Database: 365,228(8 Aug 2026)

protein sample preparation instrument

protein sample preparation instrument, Total:131 items.

The international standard classification for "protein sample preparation instrument" includes: Laboratory medicine , Man-made fibres , Food additives , Animal feeding stuffs , food products in general , Cereals, pulses and derived products , Tobacco, tobacco products and related equipment .

The Chinese standard classification for "protein sample preparation instrument" includes: Cereal crop and product , Medical laboratory equipment , Chemical fibre in general , Chemical fibre , Other fermented goods , Livestock and poultry feed and additive , Food sanitation , Bean, tuber crop and product , Fire-fighting equipment and devices , Tobacco , Foods fermentation and brewing in general .


Group Standards of the People's Republic of China

工业和信息化部/国家能源局

Jilin Provincial Standard of the People's Republic of China

Professional Standard - Agriculture

Professional Standard - Medicine

Professional Standard - Textile

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

Professional Standard - Business

未注明发布机构

  • 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)

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

  • JJF 2057-2023 Calibration Specification for C-reactive Protein Analyzers
  • JJF 1841-2020 Calibration Specification for Glycohemoglobin Analyzers
  • JJF 2116-2024 Calibration Specification for Specific Protein Analyzers

Hebei Provincial Standard of the People's Republic of China

Inner Mongolia Provincial Standard of the People's Republic of China

  • DB15/T 3190-2023 Specification for Quality Control of Type A2 β-Casein Raw Milk

Professional Standard - Public Safety Standards

  • GA/T 52-1993 Quality grading for protein-foam fire extinguishing agent and fluoroprotein-foam fire extinguishing agent

国家市场监督管理总局、中国国家标准化管理委员会

Professional Standard - Tobacco

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

轻工业部

Professional Standard - Light Industry

国家药监局

German Institute for Standardization

  • DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
  • DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
  • DIN 10470:2011 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 8968-4:2016-09 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 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
  • DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method

Japanese Industrial Standards Committee (JISC)

Society of Automotive Engineers (SAE)

GSO

  • GSO OIML R146-2:2021 Protein measuring instruments for cereal grain and oilseeds Part 2: Metrological controls and performance tests
  • BH GSO OIML R146-2:2022 Protein measuring instruments for cereal grain and oilseeds Part 2: Metrological controls and performance tests
  • BH GSO ISO 8968-4:2022 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • GSO ISO 8968-4:2021 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • GSO OIML R146-3:2021 Protein measuring instruments for cereal grain and oilseeds Part 3: Test report format
  • BH GSO OIML R146-3:2022 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
  • BH GSO OIML R146-1:2022 Protein measuring instruments for cereal grain and oilseeds Part 1: Metrological and technical requirements
  • GSO 2101:2010 Protein-Rich concentrated Nutrient Supplementary foods

KR-KS

  • KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
  • KS H ISO 9622-2021 Whole milk — Determination of milkfat, protein and lactose content — Guidance on the operation of mid-infrared instruments
  • KS H 1204-2022 Testing method for crude proteins content

CZ-CSN

  • CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
  • CSN 57 0111-2-2002 Testing methods for casein and caseinates - Methods of samphng of Chemical analysis
  • CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content

Korean Agency for Technology and Standards (KATS)

  • 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 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 1204-2012 Testing method for crude proteins content

IN-BIS

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 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 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 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content

SCC

  • UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
  • AS N60:1970 Methods for the sampling and analysis of acid and rennet caseins
  • 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)
  • 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)
  • BS 1417:1948 Sampling and analysis of acid casein
  • AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
  • AENOR UNE-EN ISO 8968-4:2016 Milk and dairy products. Determination of nitrogen content. Part 4: Determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method). (ISO 8968-4:2016)
  • DIN EN ISO 8968-4 E:2013 Draft Document - Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non protein nitrogen content and true protein content calculation (Reference method) (ISO/DIS 8968-4:2013); German version prEN ISO 8968-...
  • BS ISO 9622:1999 Whole milk. Determination of milkfat, protein and lactose content. Guidance on the operation of mid-infrared instruments
  • AS 1918:1976 Methods for sampling eggs and egg products
  • AS 1918:1992 Methods for sampling eggs and egg products
  • BS 1417:1963 Methods for the sampling and analysis of acid casein
  • DIN 10470 E:2010 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic 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 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry

RO-ASRO

RU-GOST R

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)

AT-ON

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

Association Francaise de Normalisation

  • 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 V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).

ES-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)

Lithuanian Standards Office

  • LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)

HU-MSZT

Danish Standards Foundation

  • DS/ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
  • DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

PL-PKN

GOSTR

  • GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method

CEN - European Committee for Standardization

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

CU-NC

VN-TCVN

  • TCVN 7253-2003 Tobacco and tobacco products.Determination of nitrogen protein content