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Reference Methods for Potassium Determination

Reference Methods for Potassium Determination, Total:498 items.

In the international standard classification, Reference Methods for Potassium Determination involves: Milk and milk products, Edible oils and fats. Oilseeds, Medical sciences and health care facilities in general, Analytical chemistry, Fertilizers, Tea. Coffee. Cocoa, Meat, meat products and other animal produce, Non-ferrous metals, Metalliferous minerals, Air quality, Food products in general, Headgear. Clothing accessories. Fastening of clothing, Microbiology, Products of the chemical industry, Cereals, pulses and derived products, Prepackaged and prepared foods, Fruits. Vegetables, Products of the textile industry, Laboratory medicine, Passenger cars. Caravans and light trailers, Soil quality. Pedology, Agricultural machines, implements and equipment, Inorganic chemicals, Road engineering, Testing of metals, Water quality, Tobacco, tobacco products and related equipment, Electronic tubes, Fuels, Spices and condiments. Food additives, Animal feeding stuffs, Chipless working equipment, Non-destructive testing.


Association Francaise de Normalisation, Reference Methods for Potassium Determination

  • NF V04-209:1989 Milk. Determination of potassium dichromate content. Reference method.
  • NF V03-905*NF EN ISO 659:2009 Oilseeds - Determination of oil content (Reference method).
  • NF ISO 5544:2008 Caséines - Détermination des "cendres fixes" (Méthode de référence)
  • NF V04-312:1985 Butter. Determination of the acid value of the fat (reference method).
  • NF V04-208:1989 Milk. Determination of ash. Reference method.
  • NF ISO 5547:2008 Caséines - Détermination de l'acidité libre (Méthode de référence)
  • NF ISO 1446:2002 Café vert - Détermination de la teneur en eau - Méthode de référence fondamentale
  • NF EN ISO 659:2009 Graines oléagineuses - Détermination de la teneur en huile (Méthode de référence)
  • NF V04-293*NF EN ISO 1854:2008 Whey cheese - Determination of fat content - Gravimetric method (Reference method)
  • NF V04-349:1985 Dried milk. Determination of titratable acidity (reference method).
  • NF V04-391:1985 Caseins. Determination of "fixes ash" (reference method).
  • NF ISO 6091:2010 Lait sec - Détermination de l'acidité titrable (Méthode de référence)
  • NF ISO 279:1999 Huiles essentielles - Détermination de la densité relative à 20 degrés Celsius - Méthode de référence.
  • NF V04-346:1985 DRIED MILK. DETERMINATION OF FAT CONTENT (REFERENCE METHOD).
  • NF EN ISO 5537:2004 Lait sec - Détermination du taux d'humidité (Méthode de référence)
  • NF V04-346*NF EN ISO 1736:2008 Dried milk and dried milk products - Determination of fat content - Gravimetric method (Reference method)
  • NF V04-214:1995 Milk. Determination of fat content. Gravimetric method (reference method).
  • NF ISO 5546:2010 Caséines et caséinates - Détermination du pH (Méthode de référence)
  • NF EN ISO 712:2010 Céréales et produits céréaliers - Détermination de la teneur en eau - Méthode de référence
  • NF X43-371*NF EN 14790:2017 Stationary source emissions - Determinaton of the water vapour in ducts - Standard reference method
  • NF EN 14790:2017 Émissions de sources fixes - Détermination de la vapeur d'eau dans les conduits - Méthode de référence normalisée
  • NF EN ISO 14637:2007 Lait - Détermination de la teneur en urée - Méthode enzymatique par mesurage de pH différentiel (Méthode de référence)
  • NF V04-050*NF EN ISO 8381:2008 Milk-based infant foods - Determination of fat content - Gravimetric method (Reference method)
  • NF V04-408:1974 Meat and meat products. Determination of pH (reference method).
  • NF V04-288:1974 CHEESE. DETERMINATION OF CHLORIDE CONTENT (REFERENCE METHOD).
  • NF V04-386:1985 Caseins. Determination of free acidity (reference method).
  • NF EN ISO 1211:2010 Lait - Détermination de la teneur en matière grasse - Méthode gravimétrique (Méthode de référence)
  • NF V04-345*NF EN ISO 1737:2008 Evaporated milk and sweetened condensed milk - Determination of fat content - Gravimetric method (Reference method).
  • NF V04-060*NF EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
  • NF U02-061:1993 TRACTORS AND MACHINERY FOR AGRICULTURE AND FORESTRY. SEAT REFERENCE POINT. METHOD OF DETERMINATION.
  • NF EN ISO 2450:2008 Crème - Détermination de la teneur en matière grasse - Méthode gravimétrique (Méthode de référence)
  • NF X43-372*NF EN 14791:2017 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method
  • NF EN 14791:2017 Émissions de sources fixes - Détermination de la concentration massique des oxydes de soufre - Méthode de référence normalisée
  • NF ISO 5550:2007 Caséines et caséinates - Détermination de la teneur en humidité (méthode de référence)
  • NF EN ISO 5534:2004 Fromages et fromages fondus - Determination de la teneur totale en matière sèche (Méthode de référence)
  • NF ISO 711:1989 Céréales et produits céréaliers - Détermination de la teneur en eau (méthode de référence fondamentale)
  • NF ISO 11817:1994 Café torréfié moulu - Détermination de la teneur en eau - Méthode de Karl Fischer (méthode de référence).
  • NF V04-414:1983 Meat products. Determination of starch content (reference method).
  • XP CEN/TS 17405:2020 Emissions de sources fixes - Détermination de la concentration volumique en dioxyde de carbone - Méthode de référence : spectrométrie infrarouge
  • NF X43-375*NF EN 14793:2017 Stationary source emissions - Demonstration of equivalence of an alternative method with a reference method
  • NF EN 14793:2017 Émissions de sources fixes - Démonstration de l'équivalence d'une méthode alternative avec une méthode de référence
  • NF X43-370*NF EN 14789:2017 Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method : Paramagnetism
  • NF EN ISO 5764:2009 Lait - Détermination du point de congélation - Méthode au cryoscope à thermistance (Méthode de référence)
  • NF EN ISO 1854:2008 Fromage de sérum - Détermination de la teneur en matière grasse - Méthode gravimétrique (Méthode de référence)
  • NF ISO 5738:2006 Lait et produits laitiers - Détermination de la teneur en cuivre - Méthode photométrique (Méthode de référence)
  • NF V03-719-1*NF EN ISO 7971-1:2009 Cereals - Determination of bulk density, called mass per hectolitre - Part 1 : reference method.
  • NF ISO 5545:2008 Caséines présure et caséinates - Détermination des cendres (Méthode de référence)
  • NF V04-410:1974 Meat and meat products. Determination of nitrate content (reference method).
  • NF V03-410:1976 Spices and condiments. Determination of filfth in ground spices. (reference method).
  • NF V04-242:1985 Anhydrous milk fat. Determination of peroxyde value. Reference method.
  • NF V04-385:1985 Caseins and caseinates. Determination of pH (reference method).
  • NF EN ISO 8381:2008 Aliments à base de lait pour enfants en bas âge - Détermination de la teneur en matière grasse - Méthode gravimétrique (Méthode de référence)
  • NF EN ISO 7971-1:2009 Céréales - Détermination de la masse volumique, dite masse à l'hectolitre - Partie 1 : méthode de référence
  • NF X43-320*NF EN 1911:2010 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method.
  • NF CEN/TS 17340:2020 Emissions de sources fixes - Détermination de la concentration massique en composés fluorés, exprimée en HF - Méthode de référence normalisée
  • V04-371:1994 Gelatinized milk. Rennet containing milk. Determination of dry matter content (reference method).
  • NF V03-705:1981 {durum} wheat. Determination of proportion of non-wholly vitreous grains. (reference method).
  • NF V04-409:1974 Meat and meat products. Determination of nitrite content (reference method).
  • NF V04-412:1983 MEAT AND MEAT PRODUCTS. DETERMINATION OF L-(+)-GLUTAMIC ACID CONTENT (REFERENCE METHOD).
  • NF ISO 1740:2008 Produits à matière grasse laitière et beurre - Détermination de l'acidité de la matière grasse (Méthode de référence)
  • XP V04-100*XP ISO/TS 17193:2012 Milk - Determination of the lactoperoxidase activity - Photometric method (Reference method)
  • XP ISO/TS 17193:2012 Lait - Détermination de l'activité de lactoperoxydase - Méthode photométrique (Méthode de référence)

British Standards Institution (BSI), Reference Methods for Potassium Determination

  • 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 ISO 5544:2008 Caseins - Determination of "fixed ash" (Reference method)
  • BS ISO 5547:2008 Caseins - Determination of free acidity (Reference method)
  • BS ISO 1739:2006 Butter. Determination of the refractive index of the fat (reference method)
  • BS 4401-2:1980 Methods of test for meat and meat products. Determination of nitrogen content (reference method)
  • BS 4401-3:1997 Methods of test for meat and meat products. Determination of moisture content (reference method)
  • BS ISO 937:2023 Meat and meat products. Determination of nitrogen content. Reference method
  • BS PD CEN/TS 17638:2021 Stationary source emissions. Manual method for the determination of the mass concentration of formaldehyde. Reference method
  • BS EN ISO 1854:2009 Whey cheese. Determination of fat content. Gravimetric method (Reference method)
  • BS EN ISO 1854:2008 Whey cheese - Determination of fat content - Gravimetric method (Reference method)
  • BS ISO 1442:2023 Meat and meat products. Determination of moisture content. Reference method
  • BS 4401-14:1979 Methods of test for meat and meat products. Determination of L-(+)-glutamic acid content (reference method)
  • BS EN ISO 712:2009 Cereals and cereal products - Determination of moisture content - Reference method
  • BS EN ISO 8381:2009 Milk-based infant foods. Determination of fat content. Gravimetric method (Reference method)
  • BS EN ISO 8381:2008 Milk-based infant foods - Determination of fat content - Gravimetric method (Reference method)
  • BS 5752-3:1983 Methods of test for coffee and coffee products. Coffee: determination of caffeine content (reference method)
  • 22/30444436 DC BS ISO 937. Meat and meat products. Determination of nitrogen content. Reference method
  • BS ISO 4134:2021 Meat and meat products. Determination of L-(+)-glutamic acid content. Reference method
  • BS EN ISO 1736:2009 Dried milk and dried milk products. Determination of fat content. Gravimetric method (Reference method)
  • BS EN ISO 1736:2008 Dried milk and dried milk products - Determination of fat content - Gravimetric method (Reference method)
  • BS EN 12697-9:2002 Bituminous mixtures - Test methods for hot mix asphalt - Determination of the reference density
  • BS ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • 22/30439495 DC BS ISO 1442. Meat and meat products. Determination of moisture content. Reference method
  • BS 6068-2.43:1993 Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of potassium by atomic absorption spectrometry
  • BS EN ISO 2450:2009 Cream. Determination of fat content. Gravimetric method (Reference method)
  • BS EN ISO 2450:2008 Cream - Determination of fat content - Gravimetric method (Reference method)
  • BS ISO 17997-1:2004 Milk. Determination of casein-nitrogen content - Indirect method (Reference method)
  • 20/30401652 DC BS ISO 13493. Meat and meat products. Determination of chloramphenicol content. Reference method
  • BS 5551 SubSec.4.3.4:1988 Fertilizers. Chemical analysis. Determination of potassium. Method for determination of potassium content (titrimetric method)
  • BS 4317-2:1987 Methods of test for cereals and pulses. Determination of moisture content of cereals and cereal products (reference method)
  • BS 6068-2.44:1993 Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of sodium and potassium by flame emission spectrometry
  • BS EN 14790:2017 Tracked Changes. Stationary source emissions. Determination of the water vapour in ducts. Standard reference method
  • 20/30401658 DC BS ISO 4134. Meat and meat products. Determination of L-(+)-glutamic acid content. Reference method
  • BS ISO 13493:2021 Tracked Changes. Meat and meat products. Determination of chloramphenicol content. Reference method
  • BS 6394-2:1985 Trace elements in milk and milk products - Method for the determination of iron content (reference method)
  • PD CEN/TS 17340:2020 Stationary source emissions. Determination of mass concentration of fluorinated compounds expressed as HF. Standard reference method
  • PD ISO/TS 17193:2011 Milk. Determination of the lactoperoxidase activity. Photometric method (Reference method)

BE-NBN, Reference Methods for Potassium Determination

  • NBN-ISO 6488:1992 Tobacco ~ Determination of water content (Reference method)
  • NBN V 21-015-1978 "Butterfett - Bestimmung des Peroxid-Wertes - Referenzmethode Anhydrous milk fat - Determination of peroxide value -Reference method

Danish Standards Foundation, Reference Methods for Potassium Determination

  • DS/EN ISO 659:2009 Oilseeds - Determination of oil content (Reference method)
  • DS/EN ISO 5537:2004 Dried milk - Determination of moisture content (Reference method)
  • DS/ISO 1442:2007 Meat and meat products - Determination of moisture content (Reference method)
  • DS/EN 12341:1999 Air quality - Determination of the PM 10 fraction of suspended particulate matter - Reference method and field test procedure to demonstrate reference equivalence of measurement methods
  • DS/EN ISO 712:2010 Cereals and cereal products - Determination of moisture content - Reference method
  • DS/EN ISO 1211:2010 Milk - Determination of fat content - Gravimetric method (Reference method)
  • DS/CEN/CR 14377:2002 Air quality - Approach to uncertainty estimation for ambient air reference measurement methods
  • DS/CEN/TS 17638:2021 Stationary source emissions – Manual method for the determination of the mass concentration of formaldehyde – Reference method
  • DS/EN ISO 6647-1:2007 Rice - Determination of amylose content - Part 1: Reference method
  • DS/EN 14789:2005 Stationary source emissions - Determination of volume concentration of oxygen (O2) - Reference method - Paramagnetism
  • DS/ISO 2917:2000 Meat and meat products - Measurement of pH - Reference method
  • DS/ISO 13580:2005 Yogurt – Determination of total solids content (Reference method)
  • DS/EN ISO 2450:2008 Cream - Determination of fat content - Gravimetric method (Reference method)
  • DS/EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
  • DS/EN ISO 1854:2008 Whey cheese - Determination of fat content - Gravimetric method (Reference method)
  • DS/ISO 5738:2004 Milk and milk products - Determination of copper content - Photometric method (Reference method)
  • DS/EN ISO 5534:2004 Cheese and processed cheese products - Determination of the total solids content (Reference method)
  • DS/ISO 3747:1991 Acoustics. Determination of sound power levels of noise sources. Survey method using a reference sound source
  • DS/EN ISO 5764:2009 Milk - Determination of freezing point - Thermistor cryoscope method (Reference method)
  • DS/EN 14792:2006 Stationary source emissions - Determination of mass concentration of nitrogen oxides (NOx) - Reference method: Chemiluminescence
  • DS/EN 14791:2005 Stationary source emissions - Determination of mass concentration of sulphur dioxide - Reference method
  • DS/EN ISO 8381:2008 Milk-based infant foods - Determination of fat content - Gravimetric method (Reference method)

German Institute for Standardization, Reference Methods for Potassium Determination

  • DIN EN ISO 659:2009-11 Oilseeds - Determination of oil content (Reference method) (ISO 659:2009); German version EN ISO 659:2009
  • DIN ISO 5544:2020-12 Caseins - Determination of "fixed ash" (Reference method) (ISO 5544:2008)
  • 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
  • DIN EN ISO 2450:2009 Cream - Determination of fat content - Gravimetric method (Reference method) (ISO 2450:2008); English version of DIN EN ISO 2450:2009-03
  • DIN EN ISO 1211:2010-11 Milk - Determination of fat content - Gravimetric method (Reference method) (ISO 1211:2010); German version EN ISO 1211:2010
  • DIN EN ISO 2450:2009-03 Cream - Determination of fat content - Gravimetric method (Reference method) (ISO 2450:2008); German version EN ISO 2450:2008
  • DIN EN ISO 1854:2009 Whey cheese - Determination of fat content - Gravimetric method (Reference method) (ISO 1854:2008);English version of DIN EN ISO 1854:2009-03
  • DIN EN ISO 5764:2009-10 Milk - Determination of freezing point - Thermistor cryoscope method (Reference method) (ISO 5764:2009); German version EN ISO 5764:2009
  • DIN 10348:1988-10 Determination of the total solids content of milk and cream; reference method
  • DIN CEN/TS 17638:2021-09 Stationary source emissions - Manual method for the determination of the mass concentration of formaldehyde - Reference method; German version CEN/TS 17638:2021
  • DIN EN ISO 712:2010-04 Cereals and cereal products - Determination of moisture content - Reference method (ISO 712:2009); German version EN ISO 712:2009
  • DIN EN ISO 5537:2022-12 Dried milk and dried milk products - Determination of moisture content (Reference method) (ISO/DIS 5537:2022); German and English version prEN ISO 5537:2022 / Note: Date of issue 2022-11-04*Intended as replacement for DIN EN ISO 5537 (2004-09).
  • DIN EN 14790:2017-05 Stationary source emissions - Determination of the water vapour in ducts - Standard reference method; German version EN 14790:2017
  • DIN EN ISO 14637:2007-03 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004); German version EN ISO 14637:2006
  • DIN EN ISO 8381:2009 Milk-based infant foods - Determination of fat content - Gravimetric method (Reference method) (ISO 8381:2008); English version of DIN EN ISO 8381:2009-03
  • DIN EN ISO 8381:2009-03 Milk-based infant foods - Determination of fat content - Gravimetric method (Reference method) (ISO 8381:2008); German version EN ISO 8381:2008
  • DIN EN ISO 1737:2009-03 Evaporated milk and sweetened condensed milk - Determination of fat content - Gravimetric method (Reference method) (ISO 1737:2008); German version EN ISO 1737:2008
  • DIN 10451:1983 Determination of "fixed ash" of caseins; reference method
  • DIN SPEC 1168:2010-07 Air quality - Approach to uncertainty estimation for ambient air reference measurement methods; German version CR 14377:2002
  • DIN 58924:2009 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
  • DIN 58931:2021 Haematology - Determination of haemoglobin concentration in blood - Reference method; Text in German and English
  • DIN 58924:2022 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
  • DIN 58931:2021-09 Haematology - Determination of haemoglobin concentration in blood - Reference method; Text in German and English
  • DIN 58924:2021 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
  • DIN EN ISO 5534:2004-09 Cheese and processed cheese - Determination of the total solids content (Reference method) (ISO 5534:2004); German version EN ISO 5534:2004
  • DIN EN ISO 1736:2009 Dried milk and dried milk products - Determination of fat content - Gravimetric method (Reference method) (ISO 1736:2008); English version of DIN EN ISO 1736:2009-03
  • DIN EN ISO 1737:2009 Evaporated milk and sweetened condensed milk - Determination of fat content - Gravimetric method (Reference method) (ISO 1737:2008); English version of DIN EN ISO 1737:2009-03
  • DIN EN ISO 1736:2009-03 Dried milk and dried milk products - Determination of fat content - Gravimetric method (Reference method) (ISO 1736:2008); German version EN ISO 1736:2008
  • DIN EN ISO 1854:2009-03 Whey cheese - Determination of fat content - Gravimetric method (Reference method) (ISO 1854:2008); German version EN ISO 1854:2008
  • DIN ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
  • DIN EN 14791:2017-05 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method; German version EN 14791:2017
  • DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
  • DIN 58924:2022-05 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
  • DIN EN ISO 7208:2009 Skimmed milk, whey and buttermilk - Determination of fat content - Gravimetric method (Reference method) (ISO 7208:2008); English version of DIN EN ISO 7208:2009-03
  • DIN EN ISO 7208:2009-03 Skimmed milk, whey and buttermilk - Determination of fat content - Gravimetric method (Reference method) (ISO 7208:2008); German version EN ISO 7208:2008
  • DIN CEN/TS 17405:2020-11 Stationary source emissions - Determination of the volume concentration of carbon dioxide - Reference method: infrared spectrometry; German version CEN/TS 17405:2020
  • DIN EN 14793:2017-05 Stationary source emissions - Demonstration of equivalence of an alternative method with a reference method; German version EN 14793:2017
  • DIN EN 14789:2017-05 Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism; German version EN 14789:2017
  • DIN EN ISO 7328:2009-03 Milk-based edible ices and ice mixes - Determination of fat content - Gravimetric method (Reference method) (ISO 7328:2008); German version EN ISO 7328:2008
  • DIN ISO 5546:2020 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
  • DIN EN ISO 18134-1:2023-01 Solid biofuels - Determination of moisture content - Part 1: Reference method (ISO 18134-1:2022); German version EN ISO 18134-1:2022
  • DIN CEN/TS 17638:2021 Stationary source emissions - Manual method for the determination of the mass concentration of formaldehyde - Reference method; German version CEN/TS 17638:2021
  • DIN 10348:1988 Determination of the total solids content of milk and cream; reference method
  • DIN 10453:1983 Determination of water content of caseins and caseinates; reference method
  • DIN EN 14792:2017-05 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence; German version EN 14792:2017
  • DIN CEN/TS 17340:2021-01 Stationary source emissions - Determination of mass concentration of fluorinated compounds expressed as HF - Standard reference method; German version CEN/TS 17340:2020
  • DIN 58932-3:2017-01 Haematology - Determination of the concentration of blood corpuscles in blood - Part 3: Reference method for the determination of the concentration of erythrozytes; Text in German and English
  • DIN ISO 5545:2020-12 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)
  • DIN ISO 5550:2020 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)

Professional Standard - Hygiene , Reference Methods for Potassium Determination

  • WS/T 341-2011 Reference method for haemoglobinometry in human blood
  • WS/T 345-2011 Reference procedure of the measurement of urea in serum
  • 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
  • WS 342-2011 Reference method for hematocrit determination
  • WS 343-2011 Reference method for determination of erythrocyte sedimentation rate
  • WS/T 361-2011 Reference procedure for the measurement of catalytic activity concentration of lactate dehydrogenase
  • WS/T 351-2011 Reference procedure for the measurement of catalytical activity concentration of alkaline phosphatase(ALP)
  • WS/T 417-2013 Reference procedure for the measurement of catalytic concentration of γ-Glutamyltransferase

National Health Commission of the People's Republic of China, Reference Methods for Potassium Determination

  • WST 341:2011 Hemoglobin measurement reference method
  • WST 342:2011 Reference method for hematocrit determination
  • WST 343:2011 Reference method for determination of erythrocyte sedimentation rate
  • WST 345:2011 Reference method for serum urea determination (obsolete)
  • WST 350:2011 Reference method for serum glucose determination (obsolete)
  • WST 349:2011 Reference method for determination of α-amylase catalytic activity concentration
  • WST 361:2011 Reference method for determination of catalytic activity concentration of lactate dehydrogenase

International Dairy Federation (IDF), Reference Methods for Potassium Determination

  • IDF 89-2008 Caseins - Determination of "fixed ash" (Reference method)
  • IDF 91-2008 Caseins - Determination of free acidity (Reference method)
  • IDF 151-2005 Yogurt - Determination of total solids content (Reference method)
  • IDF 90-2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • IDF 4-2004 Cheese and processed cheese - Determination of the total solids content (Reference method)
  • IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)
  • IDF 123-2008 Milk-based infant foods - Determination of fat content - Gravimetric method (Reference method)
  • IDF 9-2008 Dried Milk and Dried Milk Products - Determination of Fat Content - Gravimetric Method (Reference Method)
  • IDF 108-2002 Milk - Determination of freezing point - Thermistor cryoscope method (Reference method)
  • IDF/RM 208-2011 Milk - Determination of the Lactoperoxidase Activity - Photometric Method (Reference Method)

AENOR, Reference Methods for Potassium Determination

  • UNE 34848:1986 DRIED MILK. DETERMINATION OF TITRATABLE ACIDITY. REFERENCE METHOD.
  • UNE 34852:1983 DETERMINATION OF THE ACID VALUE OF FAT FROM BUTTER. (REFERENCE METHOD).
  • UNE-EN ISO 659:2010 Oilseeds - Determination of oil content (Reference method) (ISO 659:2009)
  • UNE 84156:2000 Essential oils. Determination of relative density at 20aC. Reference method.
  • UNE 34857:1985 BUTTER. DETERMINATION OF THE SALT (SODIUM CHLORIDE) CONTENT. (REFERENCE METHOD).
  • UNE-EN ISO 5537:2004 Dried milk - Determination of moisture content (Reference method) (ISO 5537:2004)
  • UNE 34879:1986 WHEY CHEESE. DETERMINATION OF DRY MATTER CONTENT. REFERENCE METHOD.
  • UNE 34868:1986 ICE-CREAM AND MILK ICE. DETERMINATION OF TOTAL SOLIDS. REFERENCE METHOD.
  • UNE 83811:1992 EX MORTARS. TEST METHODS. FRESH MORTARS. DETEMINATION OF CONSISTENCE. FLOW TABLE (REFERENCE METHOD)
  • UNE-EN ISO 2450:2009 Cream - Determination of fat content - Gravimetric method (Reference method) (ISO 2450:2008)
  • UNE-EN ISO 1211:2010 Milk - Determination of fat content - Gravimetric method (Reference method) (ISO 1211:2010)
  • UNE-EN 14790:2017 Stationary source emissions - Determination of the water vapour in ducts - Standard reference method
  • UNE-CR 14377:2005 IN Air quality - Approach to uncertainty estimation for ambient air reference measurement methods
  • UNE-EN 14791:2017 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method
  • UNE 34873:1986 DETERMINATION OF THE PHOSPHORUS CONTENT OF CHEESE AND PROCESSED CHEESE PRODUCTS. REFERENCE METHOD.
  • UNE 83988-1:2008 Concrete durability. Test methods. Determination of the electrical resistivity. Part 1: Direct test (reference method).
  • UNE-EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004)
  • UNE-EN 14793:2017 Stationary source emissions - Demonstration of equivalence of an alternative method with a reference method
  • UNE-EN 14789:2017 Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism
  • UNE-EN ISO 8381:2009 Milk-based infant foods - Determination of fat content - Gravimetric method (Reference method) (ISO 8381:2008)
  • UNE-EN ISO 712:2010 Cereals and cereal products - Determination of moisture content - Reference method (ISO 712:2009)
  • UNE-EN ISO 1737:2009 Evaporated milk and sweetened condensed milk - Determination of fat content - Gravimetric method (Reference method) (ISO 1737:2008)
  • UNE-EN ISO 1736:2009 Dried milk and dried milk products - Determination of fat content - Gravimetric method (Reference method) (ISO 1736:2008)
  • UNE-EN ISO 5534:2004 Cheese and processed cheese - Determination of total solids content (Reference method) (ISO 5534:2004)
  • UNE 34874:1985 DETERMINATION OF THE CITRIC ACID CONTENT OF CHEESE AND PROCESSED CHEESE PRODUCTS. REFERENCE METHOD.
  • UNE 34836:1986 MILK AND MILK PRODUCTS. DETERMINATION OF THE IRON CONTENT. PHOTOMETRIC REFERENCE METHOD.
  • UNE 68025:1983 TRACTORS AND MACHINERY FOR AGRICULTURE AND FORESTRY. SEAT REFERENCE POINT. METHOD OF DETERMINATION

Korean Agency for Technology and Standards (KATS), Reference Methods for Potassium Determination

  • KS H ISO 6091-2006(2016) Dried milk -- Determination of titratable acidity(Reference method)
  • 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 H ISO 1854:2006 Whey cheese－Determination of fat content－Gravimetric method(Reference method)
  • KS H ISO 1211-2006(2016) Milk－Determination of fat content－Gravimetric method(Reference method)
  • KS H ISO 2450-2006(2016) Cream－Determination of fat content－Gravimetric method(Reference method)
  • KS H ISO 6091:2021 Dried milk — Determination of titratable acidity(Reference method)
  • KS H ISO 5544:2021 Caseins — Determination of “fixed ash”(Reference method)
  • KS E 3042-2017 Methods for determination of potassium in iron ores
  • KS E 3042-2022 Methods for determination of potassium in iron ores
  • KS H ISO 279-2014(2019) Essential oils — Determination of relative density at 20 degrees C — Reference method
  • KS H ISO 6734-2006(2016) Sweetened condensed milk -- Determination of total solids content(Reference method)
  • KS M 9723-2017 Methods for determination of gold in potassium gold cyanide
  • KS M 9723-2017(2022) Methods for determination of gold in potassium gold cyanide
  • KS H ISO 8381:2006 Milk-based infant foods－Determination of fat content－Gravimetric method(Reference method)
  • KS H ISO 1854-2006(2016) Whey cheese－Determination of fat content－Gravimetric method(Reference method)
  • KS H ISO 5547:2021 Caseins — Determination of free acidity(Reference method)
  • KS H ISO 1739-2007(2021) Butter－Determination of the refractive index of the fat(Reference method)
  • KS H ISO 8381-2006(2016) Milk-based infant foods -- Determination of fat content -- Gravimetric method (Reference method)
  • KS H ISO 1736:2006 Dried milk and dried milk products－Determination of fat content－Gravimetric method(Reference method)
  • KS H ISO 1737:2006 Evaporated milk and sweetened condensed milk-Determination of fat content-Gravimetric method(Reference method)
  • KS E 3042-1996 Methods for determination of potassium oxide in iron ores
  • KS B ISO 712:2009 Cereals and cereal products－Determination of moisture content－Routine reference method
  • KS H ISO 1736:2018 Dried milk and dried milk products — Determination of fat content — Gravimetric method(Reference method)
  • KS H ISO 6734:2021 Sweetened condensed milk —Determination of total solids content(Reference method)
  • KS H ISO 2920:2021 Whey cheese — Determination of dry matter content (Reference method)
  • KS H ISO 6731-2006(2016) Milk, cream and evaporated milk -- Determination of total solids content(Reference method)
  • KS H ISO 2450:2021 Cream — Determination of fat content —Gravimetric method(Reference method)
  • KS H ISO 1211:2021 Milk — Determination of fat content — Gravimetric method(Reference method)
  • KS H ISO 1737-2006(2016) Evaporated milk and sweetened condensed milk-Determination of fat content-Gravimetric method(Reference method)
  • KS I ISO 13752:2004 Air quality-Assessment of uncertainty of a measurementmethod under field conditions using a second method as reference
  • KS I ISO 13752:2014 Air quality — Assessment of uncertainty of a measurement method under field conditions using a second method as reference
  • KS H ISO 7328:2018 Milk-based edible ices and ice mixes — Determination of fat content — Gravimetric method(Reference method)
  • KS H ISO 1735-2006(2016) Cheese and processed cheese products－Determination of fat content－Gravimetric method(Reference method)
  • KS H ISO 1740:2021 Milkfat products and butter —Determination of fat acidity(Reference method)
  • KS H ISO 5546:2021 Caseins and caseinates — Determination of pH(Reference method)
  • KS H ISO 5550-2007(2021) Caseins and caseinates－Determination of moisture content(Reference method)
  • KS H ISO 1854:2021 Whey cheese — Determination of fat content —Gravimetric method(Reference method)

KR-KS, Reference Methods for Potassium Determination

  • KS M ISO 5318-2007 Fertilizers－Determination of potassium content－Potassium tetraphenylborate gravimetric method(reference method)
  • KS H ISO 6091-2021 Dried milk — Determination of titratable acidity(Reference method)
  • KS H ISO 5544-2021 Caseins — Determination of “fixed ash”(Reference method)
  • KS H ISO 5547-2021 Caseins — Determination of free acidity(Reference method)
  • KS H ISO 1736-2018 Dried milk and dried milk products — Determination of fat content — Gravimetric method(Reference method)
  • KS H ISO 6734-2021 Sweetened condensed milk —Determination of total solids content(Reference method)
  • KS H ISO 2920-2021 Whey cheese — Determination of dry matter content (Reference method)
  • KS H ISO 1211-2021 Milk — Determination of fat content — Gravimetric method(Reference method)
  • KS H ISO 2450-2021 Cream — Determination of fat content —Gravimetric method(Reference method)
  • KS H ISO 7328-2018 Milk-based edible ices and ice mixes — Determination of fat content — Gravimetric method(Reference method)
  • KS H ISO 5546-2021 Caseins and caseinates — Determination of pH(Reference method)
  • KS H ISO 1740-2021 Milkfat products and butter —Determination of fat acidity(Reference method)
  • KS H ISO 1854-2021 Whey cheese — Determination of fat content —Gravimetric method(Reference method)

国家卫生计生委, Reference Methods for Potassium Determination

  • WS/T 493-2017 Guidelines for Evaluating Measurement Uncertainty of Reference Methods in Enzymology Reference Laboratories

RO-ASRO, Reference Methods for Potassium Determination

  • SR 5546-1997 Caseins and caseinates - Determination of pH (Reference method)
  • SR ISO 4052:1993 COFFEE Determination of caffeine content. (Reference method)
  • SR ISO 5549:1996 Caseins and caseinates - Determination of protein content (Reference method)
  • STAS SR ISO 3832:1994 Passenger cars — Luggage compartments — Method of measuring reference volume
  • STAS SR ISO 6731:1996 Milk, cream and evaporated milk - Determination of total solids content (Reference method)
  • SR ISO 4389:1996 Tobacco and tobacco products - Determination of organochlorine pesticide residues (Reference method)

IN-BIS, Reference Methods for Potassium Determination

VN-TCVN, Reference Methods for Potassium Determination

AT-ON, Reference Methods for Potassium Determination

  • ONORM DIN 10451-1993 Determination of "fixed ash" of caseins - Reference method
  • ONORM DIN 10450-1993 Determination of free acidity of caseins - Reference method
  • ONORM DIN 10337-1-1993 Determination of Phosphatase activity of milk - Reference method
  • ONORM DIN 10801-1993 Analysis of tea - Determination of Coffein content - Reference method
  • ONORM DIN 10348-1992 Determination of total solids content of milk and cream - Reference method
  • ONORM DIN 10456-1993 Determination of pH of caseins and caseinates - Reference method
  • ONORM DIN 10181-1992 Microbiological analysis of milk- Detection of salmonellae - Reference method
  • ONORM C 9435-3-1994 Testing of elastomers - Determination of resistance to ozone cracking - Determination of the concentration of ozone (Reference method)
  • ONORM DIN 10314-1992 Determination of dry matter content of cheese and processed cheese - Reference method
  • ONORM DIN 10452-1993 Determination of ash of rennet caseins and caseinates - Reference method
  • ONR CEN/TS 17638-2021 Stationary source emissions - Manual method for the determination of the mass concentration of formaldehyde - Reference method (CEN/TS 17638:2021)
  • ONORM N 4003-1994 Testing of meat and meat products - Determination of Chloride content - Reference method (titrimetric)
  • ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method
  • ONORM N 4004-1994 Testing of meat and meat products - Determination of water content - Reference method (gravimetric)
  • ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
  • ONORM DIN 10312-6-1992 Gravimetric method for the determination of fat content of milk and milk products - Method for skimmed milk, whey and buttermilk (Reference method)
  • ONORM N 4002-1994 Testing of meat and meat products - Determination of total tat content - Reference method (gravimetric)

RU-GOST R, Reference Methods for Potassium Determination

  • GOST ISO 4052-2013 Coffee. Determination of caffeine content. Reference method
  • GOST 3240.11-1976 Magnesium alloys. Method for determination of potassium
  • GOST R 50453-1992 Meat and meat products. Determination of nitrogen content (Reference method)
  • GOST ISO 659-2017 Oilseeds. Determination of oil content (Reference method)
  • GOST R 50455-1992 Meat and meat products. Determination of salmonellae (Reference method)
  • GOST ISO 6731/IDF 21-2012 Milk, cream and evaporated milk. Determination of total solids content (Reference method)
  • GOST ISO 712-2015 Cereals and cereal products. Determination of moisture content. Reference method
  • GOST ISO 6647-1-2015 Rice. Determination of amylose content. Part 1. Reference method
  • GOST 27753.6-1988 Greenhouse grounds. Methods for determination of watersoluble potassium
  • GOST R 50242-1992 Mineral fertilizers. Methods for determination of pottassium content
  • GOST ISO 11817-2014 Roasted ground coffee. Determination of moisture content. Karl Fischer method (reference method)
  • GOST R 54231-2010 Solid recovered fuels. Determination of moisture content using the oven drying. Part 1. Total moisture. Reference method
  • GOST R 54231-2010(2019) Solid recovered fuels. Determination of moisture content using the oven drying. Part 1. Total moisture. Reference method
  • GOST 29234.10-1991 Moulding sands. Methods for determination for potassium and sodium oxides

International Organization for Standardization (ISO), Reference Methods for Potassium Determination

  • ISO 5547:2008 | IDF 91:2008 Caseins — Determination of free acidity (Reference method)
  • ISO 2450:2008 Cream - Determination of fat content - Gravimetric method (Reference method)
  • ISO/FDIS 937 Meat and meat products — Determination of nitrogen content — Reference method
  • ISO/DIS 937 Meat and meat products — Determination of nitrogen content — Reference method
  • ISO 937:2023 Meat and meat products — Determination of nitrogen content — Reference method
  • ISO 5318:1983 Fertilizers; Determination of potassium content; Potassium tetraphenylborate gravimetric method (Reference method)
  • ISO/TS 17193:2011 Milk - Determination of the lactoperoxidase activity - Photometric method (Reference method)
  • ISO/FDIS 1442 Meat and meat products — Determination of moisture content — Reference method
  • ISO/DIS 1442 Meat and meat products — Determination of moisture content — Reference method
  • ISO 1442:2023 Meat and meat products — Determination of moisture content — Reference method
  • ISO 1854:2008 Whey cheese - Determination of fat content - Gravimetric method (Reference method)
  • ISO 1854:2008|IDF 059:2008 Gravimetric method for determination of fat content in ricotta cheese (reference method)
  • ISO 6091:2010 | IDF 86:2010 Dried milk — Determination of titratable acidity (Reference method)
  • ISO 5544:2008 | IDF 89:2008 Caseins — Determination of " fixed ash " (Reference method)
  • ISO 20938:2008 Instant coffee - Determination of moisture content - Karl Fischer method (Reference method)
  • ISO 1740:1980 Butter — Determination of the acid value of the fat (Reference method)
  • ISO 1740:2004|IDF 6:2004 Milkfat products and butter — Determination of fat acidity (Reference method)
  • ISO 1736:2008|IDF 9:2008 Dried milk and dried milk products — Determination of fat content — Gravimetric method (Reference method)
  • ISO 2450:2008|IDF 16:2008 Cream — Determination of fat content — Gravimetric method (Reference method)
  • ISO/R 1211:1970 Milk — Determination of fat content (Reference method)
  • ISO 2450:1972 Cream — Determination of fat content (Reference method)
  • ISO 1736:1981 Dried milk — Determination of fat content (Reference method)
  • ISO 5537:2004 | IDF 26:2004 Dried milk — Determination of moisture content (Reference method)
  • ISO 1211:2010 | IDF 1:2010 Milk — Determination of fat content — Gravimetric method (Reference method)
  • ISO/DIS 5537 | IDF 26 Dried milk and dried milk products — Determination of moisture content (Reference method)
  • ISO 5546:2010 | IDF 115:2010 Caseins and caseinates — Determination of pH (Reference method)
  • ISO 8381:2008 Milk-based infant foods - Determination of fat content - Gravimetric method (Reference method)
  • ISO 8381:2008|IDF 123:2008 Gravimetric method for determination of fat content in milk-based infant foods (reference method)
  • ISO 2970:1974
  • ISO 13580:2005 | IDF 151:2005 Yogurt — Determination of total solids content (Reference method)
  • ISO 2920:2004 | IDF 58:2004 Whey cheese — Determination of dry matter (Reference method)
  • ISO 1739:2006 | IDF 7:2006 Butter — Determination of the refractive index of the fat (Reference method)
  • ISO 1736:2008 Dried milk and dried milk products - Determination of fat content - Gravimetric method (Reference method)
  • ISO 1737:2008 Evaporated milk and sweetened condensed milk - Determination of fat content - Gravimetric method (Reference method)
  • ISO 1737:2008|IDF 013:2008 Gravimetric method for determination of fat content in condensed milk and sweetened condensed milk (reference method)
  • ISO 1736:2008|IDF 009:2008 Gravimetric method for determination of fat content in milk powder and milk powder products (reference method)
  • ISO 3832:1991 Passenger cars; luggage compartments; method of measuring reference volume
  • ISO 1854:1972 Whey cheese — Determination of fat content (Reference method)
  • ISO 6734:2010 | IDF 15:2010 Sweetened condensed milk — Determination of total solids content (Reference method)
  • ISO 2450:2008 | IDF 16:2008 Cream — Determination of fat content — Gravimetric method (Reference method)
  • ISO 7208:2008 Skimmed milk, whey and buttermilk - Determination of fat content - Gravimetric method (Reference method)
  • ISO 7208:2008|IDF 22:2008 Gravimetric method for determination of fat content in skim milk, whey and cheese (reference method)
  • ISO 279:1981 Essential oils — Determination of relative density at 20 degrees C (Reference method)
  • ISO 1854:2008 | IDF 59:2008 Whey cheese — Determination of fat content — Gravimetric method (Reference method)
  • ISO 5738:2004 | IDF 76:2004 Milk and milk products — Determination of copper content — Photometric method (Reference method)
  • ISO 6732:2010 | IDF 103:2010 Milk and milk products — Determination of iron content — Spectrometric method (Reference method)
  • ISO 5764:2009 | IDF 108:2009 Milk — Determination of freezing point — Thermistor cryoscope method (Reference method)
  • ISO 5764:2002 | IDF 108:2002 Milk — Determination of freezing point — Thermistor cryoscope method (Reference method)
  • ISO 3747:1987 Acoustics; Determination of sound power levels of noise sources; Survey method using a reference sound source
  • ISO 1737:1981 Evaporated milk and sweetened condensed milk — Determination of fat content (Reference method)
  • ISO 1737:2008|IDF 13:2008 Evaporated milk and sweetened condensed milk — Determination of fat content — Gravimetric method (Reference method)
  • ISO 3728:2004 | IDF 70:2004 Ice-cream and milk ice — Determination of total solids content (Reference method)
  • ISO 5537:2023 | IDF 26:2023 Dried milk and dried milk products — Determination of moisture content (reference method)
  • ISO 5532:1980 Durum wheat — Determination of proportion of non-wholly vitreous grains (Reference method)
  • ISO 1740:2004 | IDF 6:2004 Milkfat products and butter — Determination of fat acidity (Reference method)
  • ISO 1737:2008 | IDF 13:2008 Evaporated milk and sweetened condensed milk — Determination of fat content — Gravimetric method (Reference method)
  • ISO/TS 17193:2011 | IDF/RM 208:2011 Milk — Determination of the lactoperoxidase activity — Photometric method (Reference method)

未注明发布机构, Reference Methods for Potassium Determination

  • BS ISO 279:1998(2001) Essential oils — Determination of relative density at 20 ºC — Reference method
  • BS 4938-1:1982(2011) Dirt content of milk — Part 1 : Method for the determination of dirt content (reference method)
  • BS ISO 3728:2004(2008) Ice - cream and milk ice — Determination of total solids content (Reference method)
  • BS EN ISO 5537:2023 Dried milk and dried milk products — Determination of moisture content (reference method)
  • ISO/TS 17193:2011/Amd 1:2012 Milk — Determination of the lactoperoxi dase activity — Photometric method (Reference method)

中华人民共和国国家卫生和计划生育委员会, Reference Methods for Potassium Determination

  • WS/T 343-2011 Reference method for determination of erythrocyte sedimentation rate
  • WS/T 349-2011 Reference method for determination of α-amylase catalytic activity concentration

European Committee for Standardization (CEN), Reference Methods for Potassium Determination

  • EN ISO 5764:2009 Milk - Determination of freezing point - Thermistor cryoscope method (Reference method)
  • PD CEN/TS 17638:2021 Stationary source emissions - Manual method for the determination of the mass concentration of formaldehyde - Reference method
  • EN ISO 659:2009 Oilseeds - Determination of oil content (Reference method) (ISO 659:2009)
  • EN 14789:2005 Stationary source emissions - Determination of volume concentration of oxygen (O2) - Reference method - Paramagnetism
  • EN 14789:2017 Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism
  • EN ISO 7208:2008 Skimmed milk, whey and buttermilk - Determination of fat content - Gravimetric method (Reference method)(ISO 7208:2008)
  • CEN/TS 17405:2020 Stationary source emissions - Determination of the volume concentration of carbon dioxide - Reference method: infrared spectrometry
  • EN ISO 5537:2023 Dried milk and dried milk products - Determination of moisture content (Reference method) (ISO 5537:2023)
  • EN ISO 6647-1:2015 Rice - Determination of amylose content - Part 1: Reference method (ISO 6647-1:2015)
  • prEN ISO 5537 Dried milk and dried milk products - Determination of moisture content (Reference method) (ISO/DIS 5537:2022)
  • CEN/TS 17340:2020 Stationary source emissions - Determination of mass concentration of fluorinated compounds expressed as HF - Standard reference method
  • EN 14793:2017 Stationary source emissions - Demonstration of equivalence of an alternative method with a reference method

YU-JUS, Reference Methods for Potassium Determination

  • JUS ISO 279:1992 Essential oils. Determination of relative density at 20 degree C (Reference method)
  • JUS N.R1.470-1985 Semiconductor devices. Reference methods of measurement

Lithuanian Standards Office , Reference Methods for Potassium Determination

  • LST EN ISO 659:2009 Oilseeds - Determination of oil content (Reference method) (ISO 659:2009)
  • LST EN ISO 5537:2004 Dried milk - Determination of moisture content (Reference method) (ISO 5537:2004)
  • LST CEN/TS 17638-2021 Stationary source emissions - Manual method for the determination of the mass concentration of formaldehyde - Reference method
  • LST EN 12341-2000 Air quality - Determination of the PM 10 fraction of suspended particulate matter - Reference method and field test procedure to demonstrate reference equivalence of measurement methods
  • LST ISO 6091:2010 Dried milk - Determination of titratable acidity (Reference method) (ISO 6091:2010, identical)
  • LST EN ISO 1211:2010 Milk - Determination of fat content - Gravimetric method (Reference method) (ISO 1211:2010)
  • LST ISO 13580:2005 Yogurt. Determination of total solids content (Reference method) (idt ISO 13580:2005)
  • LST ISO 2920:2004 Whey cheese. Determination of dry matter (Reference method) (idt ISO 2920:2004)
  • LST ISO 5547:2008 Caseins - Determination of free acidity (Reference method) (ISO 5547:2008, identical)
  • LST EN 14789-2006 Stationary source emissions - Determination of volume concentration of oxygen (O2) - Reference method - Paramagnetism
  • LST ISO 11817:2004 Roasted ground coffee. Determination of moisture content. Karl Fischer method (Reference method) (idt ISO 11817:1994)
  • LST ISO 6734:2011 Sweetened condensed milk - Determination of total solids content (Reference method) (ISO 6734:2010, identical)
  • LST ISO 1442:2000 Meat and meat products. Determination of moisture content (Reference method) (idt ISO1442:1997(E))
  • LST ISO 937:2000 Meat and meat products. Determination of nitrogen content (Reference method) (idt ISO 937:1978(E))
  • LST ISO 5554:2002 Meat products. Determination of starch content. Reference method (identical ISO 5554:1978)
  • LST CEN/TS 17405-2020 Stationary source emissions - Determination of the volume concentration of carbon dioxide - Reference method: infrared spectrometry
  • LST EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004)
  • LST EN ISO 8381:2009 Milk-based infant foods - Determination of fat content - Gravimetric method (Reference method) (ISO 8381:2008)
  • LST EN ISO 712:2010 Cereals and cereal products - Determination of moisture content - Reference method (ISO 712:2009)
  • LST ISO 3091:1997 Meat and meat products. Determination of nitrate content (Reference method)
  • LST EN ISO 1737:2009 Evaporated milk and sweetened condensed milk - Determination of fat content - Gravimetric method (Reference method) (ISO 1737:2008)
  • LST EN ISO 1736:2009 Dried milk and dried milk products - Determination of fat content - Gravimetric method (Reference method)(ISO 1736:2008)
  • LST EN ISO 2450:2009 Cream - Determination of fat content - Gravimetric method (Reference method) (ISO2450:2008)
  • LST EN ISO 5534:2004 Cheese and processed cheese - Determination of the total solids content (Reference method) (ISO 5534:2004)
  • LST ISO 4134:2003 Meat and meat peroducts. Determination of L-(+)-glutamic acid content. Reference method (idt ISO 4134:1999)
  • LST ISO 3728:2004 Ice-cream and milk ice - Determination of total solids content (Reference method) (idt ISO 3728:2004)
  • LST EN 14792-2006 Stationary source emissions - Determination of mass concentration of nitrogen oxides (NOx) - Reference method: Chemiluminescence
  • LST EN 14791-2006 Stationary source emissions - Determination of mass concentration of sulphur dioxide - Reference method
  • LST ISO 4052:2004 Coffee. Determination of caffeine content (Reference method) (idt ISO 4052:1983)
  • LST ISO 2918:1997 Meat and meat products. Determination of nitrite content (Reference method)
  • LST EN ISO 6647-1:2007 Rice - Determination of amylose content - Part 1: Reference method (ISO 6647-1:2007)
  • LST ISO 1740:2004 Milkfat products and butter. Determination of fat acidity (Reference method) (idt ISO 1740:2004)
  • LST ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method) ( ISO 5546:2010, identical)

Japanese Industrial Standards Committee (JISC), Reference Methods for Potassium Determination

  • JIS M 8244:2014 Manganese ores -- Methods for determination of potassium
  • JIS L 1924:2017 Determination method and evaluation reference of shape stability shirt
  • JIS Z 2353:1991 Methods for measurement on ultrasonic velocity of solid by pulse technique using reference test pieces

ZA-SANS, Reference Methods for Potassium Determination

  • SANS 2450:2005 Cream - Determination of fat content - Gravimetric method (Reference method)
  • SANS 5764:2005 Milk - Determination of freezing point - Thermistor cryoscope method (Reference method)
  • SANS 479:2006 Milk and milk products - Determination of copper content - Photometric method (Reference method)

Professional Standard - Agriculture, Reference Methods for Potassium Determination

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

IT-UNI, Reference Methods for Potassium Determination

  • UNI CEN/TS 17638-2021 Stationary source emissions - Manual method for the determination of the mass concentration of formaldehyde - Reference method
  • UNI CEN/TS 17405-2020 Stationary source emissions - Determination of the volume concentration of carbon dioxide - Reference method: infrared spectrometry

Standard Association of Australia （SAA）, Reference Methods for Potassium Determination

  • AS 6091:2023 Dried milk — Determination of titratable acidity (Reference method) (ISO 6091:2010, MOD)
  • AS ISO 1211:2021 Milk — Determination of fat content — Gravimetric method (Reference method)
  • AS 2300.1.2.1:1991 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Reference Kjeldahl method
  • ISO 5537:2023 Dried milk and dried milk products — Determination of moisture content (reference method)

HU-MSZT, Reference Methods for Potassium Determination

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Reference Methods for Potassium Determination

  • GB/T 12397-1990 Method for determination of potassium and sodium in foods
  • GB/T 3789.21-1991 Measurements of the electrical properties of transmitting tubes--Measuring methods of static characteristic reference point

ES-UNE, Reference Methods for Potassium Determination

  • UNE-CEN/TS 17638:2021 Stationary source emissions - Manual method for the determination of the mass concentration of formaldehyde - Reference method (Endorsed by Asociación Española de Normalización in August of 2021.)

NL-NEN, Reference Methods for Potassium Determination

  • NEN-ISO 4134:1992 Meat and meat products. Determination of L-(+)-glutamic acid content (referece method)

CZ-CSN, Reference Methods for Potassium Determination

  • CSN ISO 1841:1994 Meat and meat products-Determination of chloride content(Reference method)
  • CSN 65 4816 Z1-1995 Minerál Fertilizers. Methods of Determination of Potassium Content
  • CSN 46 7092-14-1998 Testing methods for feeding stuffs - Part 14: Determination of potassium content
  • CSN 58 8782-1994 Methods of test for fats and oils Determination of unsaponifiable matter. Part 1: Method using diethyl ether extraction (reference method)
  • CSN ISO 2917:1994 Meat and meat products-Measurement of pH(Reference method)

GOSTR, Reference Methods for Potassium Determination

Professional Standard - Automobile, Reference Methods for Potassium Determination

  • QC/T 567-1999 The method of measuring the reference volume of the trunk of a car

Malaysia Standards, Reference Methods for Potassium Determination

Professional Standard - Light Industry, Reference Methods for Potassium Determination

  • QB/T 4445-2012 General test method in salt industry.Determination of potassium

Professional Standard - Electron, Reference Methods for Potassium Determination

  • SJ/T 10921-1996 Methods for determination of potassium carbonate in potassium silicate solution for use in electronic industry

American Society for Testing and Materials (ASTM), Reference Methods for Potassium Determination

  • ASTM E1921-18 Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-18a Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-19a Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-22 Standard Test Method for Determination of Reference Temperature, T0, for Ferritic Steels in the Transition Range
  • ASTM E1921-19 Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-19b Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-20 Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-17 Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-21a Standard Test Method for Determination of Reference Temperature, T0, for Ferritic Steels in the Transition Range
  • ASTM E1921-09c Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-09a Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-19be1 Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1921-17a Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range
  • ASTM E1337-90(2002) Standard Test Method for Determining Longitudinal Peak Braking Coefficient of Paved Surfaces Using a Standard Reference Test Tire
  • ASTM E1337-90(1996) Standard Test Method for Determining Longitudinal Peak Braking Coefficient of Paved Surfaces Using a Standard Reference Test Tire
  • ASTM G5-13e2 Standard Reference Test Method for Making Potentiodynamic Anodic Polarization Measurements
  • ASTM G5-13 Standard Reference Test Method for Making Potentiodynamic Anodic Polarization Measurements

PL-PKN, Reference Methods for Potassium Determination

  • PN A74010-1991 Cereals and cereal products. Determination of moisture content (Routine reference method)
  • PN A74012-1993 Cereals and cereal products. Determination of moisture content (Basic reference method)

SE-SIS, Reference Methods for Potassium Determination

  • SIS SS-ISO 3747:1989 Acoustics — Determination ofsoundpower levels ofnoise sources — Survey method using a reference sound source

Professional Standard - Commodity Inspection, Reference Methods for Potassium Determination

  • SN/T 0736.7-1999 Chemical analysis of fertilizers for import and export.Determination of potassium content
  • SN/T 0945-2000 Method for the determination of potassium sodium and magenesium in fluorspar powder for import and export

PT-IPQ, Reference Methods for Potassium Determination

  • NP 1614-2002 Meat and meat products Determination of moisture content Reference method
  • NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method
  • NP 1846-2002 Meat and meat products Determination of nitrite content Reference method

ET-QSAE, Reference Methods for Potassium Determination

Military Standard of the People's Republic of China-General Armament Department, Reference Methods for Potassium Determination

  • GJB 1047.1-1990 Test methods for black powder - Method for determination and weighing of potassium nitrate
  • GJB 1047.2-1990 Test Methods for Black Powder - Determination of Potassium Nitrate Conductivity Method

European Telecommunications Standards Institute (ETSI), Reference Methods for Potassium Determination

  • ETSI ETR 259-1996 Methods for Testing and Specification (MTS); Bibliography of Techniques, Methodologies and Practices Used in Standards Making

ETSI - European Telecommunications Standards Institute, Reference Methods for Potassium Determination

  • ETR 259-1996 Methods for Testing and Specification (MTS); Bibliography of Techniques@ Methodologies and Practices Used in Standards Making

ES-AENOR, Reference Methods for Potassium Determination

  Determination method of potassium ion, Potassium Determination Method, Determination of available potassium, Methods for Determination of Potassium, Determination method of potassium content, Method for Determination of Potassium Content, Standard method for the determination of potassium ions, Determination method of total potassium, Water Quality Potassium Sodium Determination Method, Determination of Potassium and Sodium, Reference Methods for Potassium Determination, Water Quality Potassium Determination Method, Determination method of total potassium in water quality, Methods for Potassium Determination, Determination of Potassium in Soil, Sodium Potassium Determination Method, Sodium Potassium Determination Method, Potassium, sodium determination method, Method for Determination of Potassium in Soil, Determination method of available potassium.

 



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