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Database: 365,228(8 Aug 2026)

Methods for purifying proteins

Methods for purifying proteins, Total:83 items.

The international standard classification for "Methods for purifying proteins" includes: food products in general , Animal feeding stuffs , Man-made fibres , Laboratory medicine , Chemical reagents .

The Chinese standard classification for "Methods for purifying proteins" includes: Food sanitation , Livestock and poultry feed and additive , Chemical fibre in general , Medical laboratory equipment , Biochemical reagent and clinical analysis reagent .


Professional Standard - Agriculture

  • GB/T 5009.5-1985 Method for determination of protein in foods
  • NY/T 449-2001 Identification purity of maize variety using salting in protein eletrohporesis

Group Standards of the People's Republic of China

  • T/CASME 378-2023 Technical specifications for the isolation and purification of lactobacillus curvatus protease
  • T/QGCML 1029-2023 Technical Specifications for Purification and Preparation of Periplaneta Americana and Cockroach Allergen Proteins

Jilin Provincial Standard of the People's Republic of China

  • DB22/T 294-2020 Method for identification of adulteration of crude protein in corn gluten meal

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

  • GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
  • GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method

Professional Standard - Textile

  • FZ/T 50018-2013 Determination of the protein content of the protein viscose fiber

国家药品监督管理局

Hebei Provincial Standard of the People's Republic of China

  • DB13/T 221-1994 Method for testing the purity of corn hybrids, inbred lines, and wheat seeds - protein electrophoresis

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

  • GB/T 33410-2016 Determination of the activity of protease K in biochemical reagents

Shandong Provincial Standard of the People's Republic of China

  • DB37/T 3105-2018 Sunflower seed purity protein electrophoresis detection standard

CZ-CSN

RU-GOST R

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 ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • BS ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • BS 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry

IN-BIS

  • IS 11888-1987 Method for determination of charred particle content in casein and caseinates
  • IS 11962-1987 Method for determination of ash content in chymosin casein and caseinate (reference method)
  • IS 11963-1987 Photometric method for determination of lactose content in casein and caseinate
  • IS 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers

Japanese Industrial Standards Committee (JISC)

International Organization for Standardization (ISO)

  • 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 5546:2010|IDF 115:2010 Determination of pH value of casein and caseinate (standard method)
  • ISO 5546:2010 | IDF 115:2010 Caseins and caseinates — Determination of pH (Reference method)
  • ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
  • ISO 5739:1983 Caseins and caseinates; Determination of scorched particles content

AT-ON

German Institute for Standardization

  • 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 ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference 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 ISO 5550 E:2020-06 Caseins and caseinates - Determination of moisture content (Reference method)
  • DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
  • DIN ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
  • DIN ISO 5545 E:2020-06 Rennet caseins and caseinates - Determination of ash (Reference method)
  • DIN ISO 5546:2020 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
  • 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

Korean Agency for Technology and Standards (KATS)

Standard Association of Australia (SAA)

  • AS N60:1970 Methods for the sampling and analysis of acid and rennet caseins
  • AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)

Association Francaise de Normalisation

  • NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
  • NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)

Indonesia Standards

  • SNI 13-3612-1994 Pure platinum test method of purity by atomic absorption spectrophotometer apparatus

SCC

  • BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
  • 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

International Dairy Federation (IDF)

  • IDF 90-2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)

American Society for Testing and Materials (ASTM)

  • ASTM D7818-12 Standard Test Method for Enumeration of Proteolytic Bacteria in Fresh (Uncured) Hides and Skins

KR-KS

  • KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)

Lithuanian Standards Office

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