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Database: 365,228(8 Aug 2026)

Reference Methods for Potassium Determination

Reference Methods for Potassium Determination, Total:69 items.

The international standard classification for "Reference Methods for Potassium Determination" includes: Medical Sciences and health care facilities in general , Laboratory medicine .

The Chinese standard classification for "Reference Methods for Potassium Determination" includes: Sanitation in general .


Professional Standard - Hygiene

  • WS/T 345-2011 Reference procedure of the measurement of urea in serum
  • WS/T 341-2011 Reference method for haemoglobinometry in human blood
  • WS 342-2011 Reference method for hematocrit determination
  • WS/T 493-2017 Guide to the estimation of the measurement uncertainty of reference methods in enzymology reference laboratiories
  • WS 341-2011 Reference method for hemoglobin determination
  • WS/T 342-2011 Reference method for hematocrit
  • WS/T 350-2011 Reference procedure of the measurement of glucose in serum

National Health Commission of the People's Republic of China

Professional Standard - Agriculture

  • NY 146.18-1988 Juice Determination Methods Determination of Potassium and Sodium

British Standards Institution (BSI)

  • BS 5551-4.3.3:1984 Fertilizers. Chemical analysis. Determination of potassium-Method for determination of water-soluble potassium content (potassium tetraphenylborate gravimetric method: reference method)
  • BS 5551 SubSec.4.3.3:1984 Fertilizers. Chemical analysis. Determination of potassium. Method for determination of water-soluble potassium content (potassium tetraphenylborate gravimetric method: reference method)
  • BS EN ISO 659:1999 Oilseeds. Determination of oil content (Reference method)
  • BS ISO 5544:2008 Caseins - Determination of "fixed ash" (Reference method)
  • BS 5551-4.3.4:1988 Fertilizers. Chemical analysis. Determination of potassium-Method for determination of potassium content (titrimetric method)
  • BS EN ISO 2450:1999 Cream. Determination of fat content (Reference method)
  • BS EN ISO 10339:1999*BS 7208-13:1997 Reference method for the determination of water content in liquids
  • BS ISO 1739:2006 Butter. Determination of the refractive index of the fat (reference method)
  • BS ISO 279:1998(2001) Essential oils — Determination of relative density at 20 ºC — Reference method
  • BS ISO 5547:2008 Caseins - Determination of free acidity (Reference method)

Korean Agency for Technology and Standards (KATS)

  • KS M ISO 5318-2012 Fertilizers-Determination of potassium content-Potassium tetraphenylborate gravimetric method(reference method)
  • KS M ISO 5318:2007 Fertilizers-Determination of potassium content-Potassium tetraphenylborate gravimetric method(reference method)
  • KS M ISO 5318-2007 Fertilizers-Determination of potassium content-Potassium tetraphenylborate gravimetric method(reference method)
  • KS M ISO 5318:2012 Fertilizers-Determination of potassium content-Potassium tetraphenylborate gravimetric method(reference method)
  • KS H ISO 6091-2006(2016) Dried milk -- Determination of titratable acidity(Reference method)
  • KS H ISO 279-2019 Essential oils — Determination of relative density at 20 degrees C — Reference method

Association Francaise de Normalisation

Belgian Standards Institute

Bureau of Indian Standards

  • IS 11919-1987 Method For Determination Of Fixed Ash In Caseins (reference Method)
  • IS/ISO 11919-2012 Caseins —— Determination of "Fixed Ash"Â (Reference Method)
  • IS 11623-2008 Dried milk - Determination of moisture content (reference method)
  • IS 11964-1987 Method for determination of free acidity in casein (reference method)
  • IS 11964-2012 Caseins —— Determination of Free Acidity (Reference Method)
  • IS 16039-2012 Coffee —— Determination Of Caffeine Content (reference Method)

German Institute for Standardization

  • DIN EN ISO 659:2009-11 Oilseeds - Determination of oil content (Reference method) (ISO 659:2009); German version EN ISO 659:2009
  • DIN 10451:1983-03 Determination of "fixed ash" of caseins; reference method
  • DIN ISO 5544:2020-12 Caseins - Determination of "fixed ash" (Reference method) (ISO 5544:2008)
  • DIN ISO 5544 E:2020-06 Caseins - Determination of "fixed ash" (Reference method)
  • DIN EN ISO 5537:2004-09 Dried milk - Determination of moisture content (Reference method) (ISO 5537:2004); German version EN ISO 5537:2004 / Note: To be replaced by DIN EN ISO 5537 (2022-12).
  • DIN 10450:1983-03 Determination of free acidity of caseins; reference method

Danish Standards Foundation

Spanish Association for Standardization (UNE)

GCC Standardization Organization

International Dairy Federation (IDF)

  • IDF 89-2008 Caseins - Determination of "fixed ash" (Reference method)
  • IDF 91-2008 Caseins - Determination of free acidity (Reference method)

Ente Nazionale Italiano di Unificazione

  • UNI 10278:1994 Wheat flour. Determinatiion of granulometry. Method of reference.
  • UNI EN ISO 1211:1997 Milk. Determination of a fat content. Gravimetric method (Reference method).
  • UNI ISO 936:1991 Meat and meat products. Determination of ash (Reference method)

International Organization for Standardization (ISO)

  • ISO 5318:1983 Fertilizers; Determination of potassium content; Potassium tetraphenylborate gravimetric method (Reference method)
  • ISO 5547:2008 | IDF 91:2008 Caseins — Determination of free acidity (Reference method)

National Standardisation Body (ASRO)

  • SR 5546-1997 Caseins and caseinates - Determination of pH (Reference method)
  • SR ISO 4052:1993 COFFEE Determination of caffeine content. (Reference method)

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

  • TCVN 4835-2002 Meat and meat products.Measurement of pH.Reference method

Austrian Standards

The Directorate General of Specifications and Metrology (DGSM)

Kingdom of Bahrain Testing and Metrology Directorate

  • BH GSO ISO 279:2016 Essential oils -- Determination of relative density at 20 degrees C -- Reference method

Gosstandart of Russia