Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

Determination method of enzyme content

Determination method of enzyme content, Total:332 items.

The international standard classification for "Determination method of enzyme content" includes: General methods of tests and analysis for food products , Animal feeding stuffs , Cosmetics. Toiletries , Starch and derived products , Fertilizers , Sugar and sugar products , food products in general .

The Chinese standard classification for "Determination method of enzyme content" includes: Basic standards and general methods , Livestock and poultry feed and additive , Cosmetics , Grain processing and products , Basic standards and general methods on chemical fertilizers , Sugar refining .


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

  • GB/T 37077-2018 Determination of cholesterol in eggs-Enzymatic method
  • GB/T 22224-2008 Determination of dietary fiber in foods - Enzymatic gravimetric method and enzymatic gravimetric method-liquid chromatography
  • GB 3598-1983 Fertilizers;Determination of urea nitrogen content;Urease method
  • GB/T 20373-2006 Modified starch - Determination of acetyl content - Enzymatic method
  • GB/T 16285-1996 Method for determination of glucose in food―Enzyme-colorimetric method and enzyme-electrode method
  • GB/T 42491-2023 Determination of total starch content in feeds—Enzymatic method
  • GB/T 3598-1983 Fertilizers--Determination of urea nitrogen content--Urease method
  • GB/T 18932.21-2003 Method for the determination of chloramphenicol residues in honey - Enzyme linked immunosorbent assay method
  • GB/T 29661-2013 Determination of urea content in cosmetics—Enzymatic method

Guangdong Provincial Standard of the People's Republic of China

  • DB44/T 1034-2012 Determination of starch content in corrugated cardboard (enzymatic-gravimetric method and enzymatic-colorimetric method)

Jiangsu Provincial Standard of the People's Republic of China

  • DB32/T 1823-2011 Determination of Total Cholesterol Content in Poultry Eggs by Enzyme Colorimetric Method

Professional Standard - Agriculture

  • NY/T 1422-2007 Determination of lactose in milk and milk products Enzyme-colorimetric method

International Organization for Standardization (ISO)

  • ISO 11285:2004|IDF 175:2004 Enzymatic method for determination of lactose content in milk
  • ISO 11285:2004 Milk - Determination of lactulose content - Enzymatic method
  • ISO 11285:2004 | IDF 175:2004 Milk — Determination of lactulose content — Enzymatic method
  • ISO 8069:1986 Dried milk; Determination of lactic acid and lactates content; Enzymatic method
  • ISO 14637:2004 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
  • ISO 14637:2004|IDF 195:2004 Determination of milk urea content using enzymatic method of pH difference (reference method)
  • ISO 11213:1995 Modified starch - Determination of acetyl content - Enzymatic method
  • ISO 8451:1991 Tobacco; determination of starch content; enzymatic method
  • ISO 26462:2010 | IDF 214:2010 Milk — Determination of lactose content — Enzymatic method using difference in pH
  • ISO 15914-2:2024 Animal feeding stuffs — Enzymatic determination of total starch content — Part 2: Method by enzymatic determination with a hexokinase system and potassium hydroxide dispersion
  • ISO 14637:2004 | IDF 195:2004 Milk — Determination of urea content — Enzymatic method using difference in pH (Reference method)
  • ISO/TS 2963:2006 | IDF/RM 34:2006 Cheese and processed cheese products — Determination of citric acid content — Enzymatic method
  • ISO 2963:1997 Cheese and processed cheese products - Determination of citric acid content - Enzymatic method
  • ISO 15163:2012 | IDF 110:2012 Milk and milk products — Calf rennet and adult bovine rennet — Determination by chromatography of chymosin and bovine pepsin contents
  • ISO 13965:1998 Meat and meat products - Determination of starch and glucose contents - Enzymatic method
  • ISO 15914:2004 Animal feeding stuffs - Enzymatic determination of total starch content
  • ISO 20541:2008|IDF 197:2008 Determination of nitrate content in milk and milk products Enzymatic reduction method and Griess reaction molecular absorption spectrometry
  • ISO 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction
  • ISO/TS 2963:2006 Cheese and processed cheese products - Determination of citric acid content - Enzymatic method
  • ISO/TS 2963:2006|IDF/RM 34:2006 Enzymatic method for determination of citric acid content in cheese and melted cheese products

The Directorate General of Specifications and Metrology (DGSM)

Danish Standards Foundation

  • DANSK DS/ISO 11285:2004 Milk - Determination of lactulose content - Enzymatic method
  • DS/ISO 11285:2004 Milk - Determination of lactulose content - Enzymatic method
  • DANSK DS/EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
  • DANSK DS/EN ISO 11213:1995 Modified starch - Determination of acetyl content - Enzymatic method
  • DS/EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content
  • DANSK DS/EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content
  • DS/EN ISO 11213:1995 Modified starch - Determination of acetyl content- Enzymatic method
  • DS/EN 12146:1997 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method
  • DS/EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
  • DS/EN ISO 11702:2010 Animal and vegetable fats and oils - Enzymatic determination of total sterols content
  • DANSK DS/ISO 15914-2:2024 Animal feeding stuffs – Enzymatic determination of total starch content – Part 2: Method by enzymatic determination with a hexokinase system and potassium hydroxide dispersion
  • DANSK DS/EN 12146:1997 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method
  • DS/EN 1139:1995 Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method
  • DANSK DS/EN 12138:1997 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
  • DS/EN 12632:1999 Fruit and vegetable juices - Enzymatic determination of acetic acid (acetate) content - NAD spectrometric method
  • DS/ISO 13965:1999 Meat and meat products - Determination of starch and glucose contents - Enzymatic method
  • DANSK DS/EN 1139:1994 Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method
  • DANSK DS/ISO 13965:1998 Meat and meat products - Determination of starch and glucose contents - Enzymatic method
  • DS/EN 1138:1995 Fruit and vegetables juices - Enzymatic determination of L-malic acid (L-malate) content - NADH spectrometric method
  • DS/EN 1137:1995 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content - NADH spectrometric method
  • DS/EN 12138:1998 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
  • DANSK DS/EN 1138:1994 Fruit and vegetables juices - Enzymatic determination of L-malic acid (L-malate) content - NADH spectrometric method
  • DANSK DS/EN ISO 11702:2016 Animal and vegetable fats and oils – Enzymatic determination of total sterols content (ISO 11702:2016)
  • DANSK DS/EN 12632:1999 Fruit and vegetable juices - Enzymatic determination of acetic acid (acetate) content - NAD spectrometric method
  • DANSK DS/EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
  • DANSK DS/EN 1137:1994 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content - NADH spectrometric method
  • DS/EN 12014-5:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
  • DANSK DS/EN 1140:1994 Fruit and vegetables juices - Enzymatic determination of D-glucose and D-fructose content - NADPH spectrometric method
  • DANSK DS/EN 12631:1999 Fruit and vegetable juices - Enzymatic determination of D- and L-lactic acid (lactate) content - NAD spectrometric method

GCC Standardization Organization

  • BH GSO ISO 11285:2024 Milk- Determination of lactulose content- Enzymatic method
  • GSO ISO 11285:2008 Milk- Determination of lactulose content- Enzymatic method
  • BH GSO ISO 15914:2024 Animal feeding stuffs- Enzymatic determination of total starch content
  • GSO ISO 11213:2014 Modified starch -- Determination of acetyl content -- Enzymatic method
  • GSO ISO 15914:2008 Animal feeding stuffs- Enzymatic determination of total starch content
  • GSO ISO 11702:2015 Animal and vegetable fats and oils -- Enzymatic determination of total sterols content
  • GSO ISO 14637:2014 Milk -- Determination of urea content -- Enzymatic method using difference in pH (Reference method)
  • GSO ISO 13965:2014 Meat and meat products -- Determination of starch and glucose contents -- Enzymatic method
  • GSO ISO/TS 2963:2010 Cheese and processed cheese products- Determination of citric acid content- Enzymatic method

Netherlands Institute for Standardization

  • NEN 2858-1989 Fruit juices Determination of sucrose content - Enzymatic method
  • NEN 2857-1989 Determination of glucose and fructose content - Enzymatic method
  • NEN 3769-1981 Cheese - Physical and chemical test methods - Enzymatic determination of the lactose content
  • NEN 2844-1984 Fruit juices - Determination of the total D-iso-citric acid content - Enzymatic method
  • NEN 6494-1984 Water - Enzymatic determination of urea content in swimming water

Association Francaise de Normalisation

  • NF EN ISO 14637:2007 Milk - Determination of the urea content - Enzymatic method by measuring differential pH (Reference method)
  • NF ISO 26462:2010 Milk - Determination of lactose content - Enzymatic method differential pH-metry
  • NF V18-121:1997 Animal feeding stuffs. Determination of starch content. Enzymatic method.
  • V04-371:1994 Gelatinized milk. Rennet containing milk. Determination of dry matter content (reference method).
  • NF V04-060*NF EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
  • NF T60-282*NF EN ISO 11702:2016 Animal and vegetable fats and oils - Enzymatic determination of total sterols content
  • NF EN ISO 15914:2005 Animal feed - Enzymatic determination of total starch content
  • NF V04-352:1985 Dried milk. Determination of lactic acid and lactates content. Enzymatic method.
  • NF V04-217:1992 Milk and dairy products - Determination of ammonia and urea content - Enzymatic method
  • NF V03-614*NF EN ISO 11213:1995 Modified starch. Determination of acetyl content. Enzymatic method.
  • NF V37-028:1992 Tobacco. Determination of starch content. Enzymatic method.
  • NF V05-131:1986 Fruits, vegetables and derived products - Determination of ethanol content - Enzymatic method
  • XP ISO/TS 2963:2006 Cheeses and processed cheeses - Determination of citric acid content - Enzymatic method
  • NF V04-285:1997 Cheese and processed cheese products. Determination fo citric acid content. Enzymatic method.
  • NF V18-121-2*NF ISO 15914-2:2024 Animal feeding stuffs - Enzymatic determination of total starch content - Part 2 : method by enzymatic determination with a hexokinase system and potassium hydroxide dispersion
  • NF EN ISO 11702:2016 Fats of animal and plant origin - Enzymatic determination of total sterol content
  • NF ISO 15914-2:2024 Animal feeding stuffs - Enzymatic determination of total starch content - Part 2 : method by enzymatic determination with a hexokinase system and potassium hydroxide dispersion
  • NF V76-106*NF EN 12146:1996 Fruit and vegetable juices. Enzymatic determination of sucrose content. Nadp spectrometric method.
  • XP V04-285*XP ISO/TS 2963:2006 Cheese and processed cheese products - Determination of citric acid content - Enzymatic method
  • NF V18-121*NF EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content.
  • NF T60-243:1985 Animal and vegetable oils and fats. Determination of total sterols. Enzymatic method.
  • NF V04-332*NF EN ISO 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction
  • NF V76-136*NF EN 12138:1997 Fruit and vegetable juices. Enzymatic determination of D-malic acid content. NAD spectrometric method.
  • NF V76-126*NF EN 1137:1994 Fruit and vegetable juices. Enzymatic determination of citric acid (citrate) content. Nadh spectrometric method.
  • NF V76-125*NF EN 1138:1994 Fruit and vegetable juices. Enzymatic determination of L-matic acid (L-malate) content. Nadh spectrometric method.
  • NF V04-021*NF ISO 15163:2012 Milk and milk products - Calf rennet and adult bovine rennet - Determination by chromatography of chymosin and bovine pepsin contents.
  • NF V03-010-5*NF EN 12014-5:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 5 : enzymatic determination of nitrate content of vegetable containing food for babies and infants.
  • NF V76-144*NF EN 12632:1999 Fruit and vegetable juices. Enzymatic determination of acetic acid (acetate) content. NAD spectrometric method.
  • NF ISO 15163:2012 Milk and dairy products - Calf rennet and coagulant from adult cattle - Determination of chymosin and bovine pepsin contents by chromatography
  • NF V76-128*NF EN 1139:1994 Fruit and vegetable juices. Enzymatic determination of D-isocitric acid content. Nadph spectrometric method.

German Institute for Standardization

  • DIN 10763:2021-03 Analysis of honey - Determination of glycerol content - Enzymatic method
  • DIN 10763:2004-06 Analysis of honey - Determination of glycerol content - Enzymatic method
  • DIN 10762:2021-03 Analysis of honey - Determination of ethanol content - Enzymatic method
  • DIN 10762:2004-06 Analysis of honey - Determination of ethanol content - Enzymatic method
  • 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 10762 E:2020-07 Analysis of honey - Determination of ethanol content - Enzymatic method
  • DIN 10325:1986-01 Determination of the citric acid content of processed cheese; enzymic method
  • DIN 10762:2021 Analysis of honey - Determination of ethanol content - Enzymatic method
  • DIN 10762:2004 Analysis of honey - Determination of ethanol content - Enzymatic method
  • DIN 10325:2010-07 Milk and milk products - Determination of the citric acid content - Enzymatic method
  • DIN EN 12146:1996-10 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method; German version EN 12146:1996
  • DIN 10325:1986 Determination of the citric acid content of processed cheese; enzymic method
  • DIN 10763 E:2020-07 Analysis of honey - Determination of glycerol content - Enzymatic method
  • DIN 10763:2021 Analysis of honey - Determination of glycerol content - Enzymatic method
  • DIN 10763:2004 Analysis of honey - Determination of glycerol content - Enzymatic method
  • DIN 10344:1982-08 Determination of lactose and galactose content of milk products; enzymic method
  • DIN 10325 E:2009 Draft Document - Milk and milk products - Determination of the citric acid content - Enzymatic method
  • DIN EN ISO 11213:1995-04 Modified starch - Determination of acetyl content - Enzymatic method (IS0 11213:1995); German version EN ISO 11213:1995
  • DIN 58910-2:2000 Haemostaseology - Determination of thromboplastin (prothrombin) time - Part 2: Reference measurement procedure for the determination in citrated venous blood
  • DIN 10763 E:2020 Draft Document - Analysis of honey - Determination of glycerol content - Enzymatic method
  • DIN 58910-3:2000 Haemostaseology - Determination of the thromboplastin (prothrombin) time - Part 3: Reference measurement procedure for the determination in citrated capillary blood
  • DIN EN 12138:1997-12 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method; German version EN 12138:1997
  • DIN 10762 E:2020 Draft Document - Analysis of honey - Determination of ethanol content - Enzymatic method
  • DIN EN ISO 15914:2005-06 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004); German version EN 15914:2005
  • DIN 10325 E:2009-06 Draft Document - Milk and milk products - Determination of the citric acid content - Enzymatic method
  • DIN EN 1139:1994-12 Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method; German version EN 1139:1994
  • DIN 58910-1:2000 Haemostaseology - Determination of thromboplastin (prothrombin) time - Part 1: Reference measurement procedure for the determination in plasma from citrated venous blood
  • DIN 10344:2015-05 Milk and milk products - Determination of lactose and D-galactose content - Enzymatic method
  • DIN 58910-1:2016 Haemostaseology - Determination of thromboplastin (prothrombin) time - Part 1: Reference measurement procedure for the determination in plasma from citrated venous blood; Text in German and English
  • DIN EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004); English version of DIN EN ISO 14637:2007-03
  • DIN EN 12632:1999-04 Fruit and vegetable juices - Enzymatic determination of acetic acid (acetate) content - NAD spectrometric method; German version EN 12632:1999
  • DIN 10344:2015 Milk and milk products - Determination of lactose and D-galactose content - Enzymatic method
  • DIN EN ISO 11702:2016-11 Animal and vegetable fats and oils - Enzymatic determination of total sterols content (ISO 11702:2016); German version EN ISO 11702:2016
  • DIN 10326:2007-12 Milk products and ice cream - Determination of sucrose and glucose content - Enzymatic method
  • DIN EN 1138:1994-12 Fruit and vegetable juices - Enzymatic determination of L-malic acid (L-malate) content - NADH spectrometric method; German version EN 1138:1994
  • DIN EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004); German version EN 15914:2005
  • DIN 54604-1:1988-01 Testing of paper and board; determination of starch content; enzymatic analysis of native starch content
  • DIN 10335:1987-06 Determination of L- and D-lactic acid (L- and D-lactat) content of milk and milk products; enzymatic method
  • DIN 10344 E:2013 Draft Document - Milk and milk products - Determination of lactose and D-galactose content - Enzymatic method
  • DIN 54604-1:1988 Testing of paper and board; determination of starch content; enzymatic analysis of native starch content
  • DIN EN 1140:1994-12 Fruit and vegetable juices - Enzymatic determination of D-glucose and D-fructose content - NADPH spectrometric method; German version EN 1140:1994
  • DIN EN 1137:1994-12 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content; NADH spectrometric method; German version EN 1137:1994
  • DIN EN ISO 11702:2010-04 Animal and vegetable fats and oils - Enzymatic determination of total sterols content (ISO 11702:2009)
  • DIN 10326:2007 Milk products and ice cream - Determination of sucrose and glucose content - Enzymatic method
  • DIN 58908 E:2014-12 Haemostaseology - Determination of activated partial thromboplastin time (APTT) - Reference measurement procedure
  • DIN EN ISO 11702 E:2016 Draft Document - Animal and vegetable fats and oils - Enzymatic determination of total sterols content (ISO/FDIS 11702:2016); German and English version FprEN ISO 11702:2016
  • DIN 58910-4:2000 Haemostaseology - Determination of thromboplastin (prothrombin) time - Part 4: Reference measurement procedure for the determination in capillary blood
  • DIN 58908:2000 Haemostaseology - Determination of activated partial thromboplastin time (APTT) - Reference measurement procedure
  • DIN EN 12014-5:1997-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
  • DIN 10344 E:2013-07 Determination of lactose and galactose content of milk products; enzymic method

South African Bureau of Standard

  • SANS 11285:2005 Milk - Determination of lactulose content - Enzymatic method

Ente Nazionale Italiano di Unificazione

  • UNI 10631:1998 Wine - Determination of methyl alcohol - Enzymatic colorimetric method.
  • UNI EN ISO 11213:1995 Modified starch. Determination of acetyl content. Enzymatic method.
  • UNI EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content
  • UNI EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
  • UNI 10538:1995 Calf rennet and adult bovine rennet. Dtermination of chymosin and bovine pepsine contents. Cromatographic method.
  • UNI EN ISO 11702:2016 Animal and vegetable fats and oils - Enzymatic determination of total sterols content
  • UNI EN 1142:1997 Fruit and vegetable juices. Enzymatic determination of the sulfate content.
  • UNI EN 12632:2000 Fruit and vegetable juices - Enzymatic determination of acetic acid (acetate) content - NAD Spectrometric method
  • UNI EN 12014-5:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Enzymatic determination of nitrate content of vegetable-containing food for babies and infants.
  • UNI ISO 15163:2013 Milk and milk products - Calf rennet and adult bovine rennet - Determination by chromatography of chymosin and bovine pepsin contents
  • UNI EN ISO 2450:1999 Cream - Determination of fat content - Gravimetric method (Reference method)
  • UNI EN 1140:1997 Fruit and vegetable juices. Enzymatic determination of D-glucose and D- fructose content. NADPH spectrometric method.

Kingdom of Bahrain Testing and Metrology Directorate

Bureau of Indian Standards

  • IS 17904-2022 Animal Feeding Stuffs-Enzymatic Determination of Total Starch Content
  • IS 5960-17-2004 Meat and Meat Products - Methods of Test - Part 17 : Determination of Starch and Glucose Content - Enzymatic Method
  • IS 12757-2012 Cheese and Processed Cheese Products -determination of Citric Acid Content - Enzymatic Method
  • IS 743-1955 Method for determination of moisture content in greasy wool

Gosstandart of Russia

  • GOST 34411-2018 Juice products. Determination of acetic acid content by enzymatic method
  • GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
  • GOST 34408-2018 Juice products. Determination of D-malic acid content by enzymatic method
  • GOST 34409-2018 Juice products. Determination of L-malic acid content by enzymatic method
  • GOST ISO 15914-2016 Animal feeding stuffs. Enzymatic determination of total starch content
  • GOST 34410-2018 Juice products. Determination of D-isocitric acid content by enzymatic method
  • GOST 31487-2012 Enzyme preparations. Methods of phytase enzyme activity determination
  • GOST R 54905-2012 Enzyme preparation. Methods of beta-glucanase enzyme activity determination
  • GOST R 54330-2011(2018) Enzyme preparations for food industry. Methods for determination of amylase activity
  • GOST R 54330-2011 Enzyme preparations for food industry. Methods for determination of amylase activity
  • GOST 31662-2012 Enzyme preparations. Methods of cellulasa enzyme activity determination
  • GOST R 53046-2008 Enzyme preparation. Methods of detection of cellulasa activity
  • GOST 31488-2012 Enzyme preparations. Methods of xylanase enzyme activity determination
  • GOST ISO 15163-2014 Milk and milk products. Calf rennet and adult bovine rennet. Determination of chymosin and bovine pepsin contents by chromatography
  • GOST R ISO 20541-2011 Milk and milk products. Determination of nitrate content. Method by enzymatic reduction and molecular-absorption spectrometry after. Griess reaction
  • GOST 10857-1964 Oil seeds. Methods of determination of oil content
  • GOST 18165-2014 Water. Methods for determination of aluminum content
  • GOST ISO 5545-2016 Rennet caseins and caseinates. Determination of ash content. (Reference method)
  • GOST 34440-2018 Enzyme preparations for food industry. Methods for the determination of amylase activity
  • GOST 13151.11-1977 Ferromolybdenum. Method for the determination of arsenic content

British Standards Institution (BSI)

  • BS ISO 11285:2004 Milk - Determination of lactulose content - Enzymatic method
  • BS EN ISO 11213:1995(2000) Modified starch — Determination of acetyl content — Enzymatic method
  • BS ISO 14637:2004 Milk. Determination of urea content. Enzymatic method using change in pH (Reference method)
  • BS EN ISO 15914:2005(2006) Animal feeding stuffs — Enzymatic determination of total starch content
  • BS EN ISO 15914:2005 Animal feeding stuffs. Enzymatic determination of total starch content
  • BS ISO 15914-2:2024 Animal feeding stuffs. Enzymatic determination of total starch content - Method by enzymatic determination with a hexokinase system and potassium hydroxide dispersion
  • BS EN ISO 14637:2006 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
  • BS EN ISO 14637:2004 Milk. Determination of urea content. Enzymatic method using difference in pH (Reference method)
  • BS EN ISO 14637:2006(2007) Milk — Determination of urea content — Enzymatic method using difference in pH (Reference method)
  • 08/30146086 DC BS ISO 26462. Milk. Determination of lactose content. Enzymatic method using difference in pH
  • BS EN 12138:1998 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
  • BS ISO 15914:2004 Animal feeding stuffs - Enzymatic determination of total starch content
  • DD ISO/TS 2963:2006 Cheese and processed cheese products. Determination of citric acid content. Enzymatic method
  • BS EN ISO 15914:2004 Animal feeding stuffs - Enzymatic determination of total starch content
  • BS ISO 5765-1:2002 Dried milk, dried ice-mixes and processed cheese - Determination of lactose content - Enzymatic method utilizing the glucose moiety of the lactose
  • BS ISO 5765-2:2002 Dried milk, dried ice-mixes and processed cheese - Determination of lactose content - Enzymatic method utilizing the galactose moiety of the lactose
  • BS EN ISO 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular- absorption spectrometry after Griess reaction
  • BS 4401-18:1998 Methods of test for meat and meat products - Determination of starch and glucose contents (enzymatic method)
  • 08/30190491 DC BS ISO 11702. Animal and vegetable fats and oils. Enzymatic determination of total sterols content
  • BS 1715-2.8:1989 Analysis of soaps. Quantitative test methods. Method for determination of glycerol content
  • BS 5766-15:1997 Methods for analysis of animal feeding stuffs. Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid
  • BS 3624:1963 Method for the determination of the milk coagulating power of rennet
  • BS ISO 15163:2012 Milk and milk products. Calf rennet and adult bovine rennet. Determination by chromatography of chymosin and bovine pepsin contents
  • BS ISO 18871:2015 Method of determining coalbed methane content

Korean Agency for Technology and Standards (KATS)

  • KS K 0250-2010 Test method for nonfibrous materials in cotton:Enzyme method
  • KS H ISO 26462:2020 Milk — Determination of lactose content — Enzymatic method using difference in pH
  • KS H ISO 26462-2020 Milk — Determination of lactose content — Enzymatic method using difference in pH
  • KS H ISO TS 2963-2007(2012) Cheese and processed cheese products-Determination of citric acid content-Enzymatic method
  • KS H ISO TS 2963-2007(2021) Cheese and processed cheese products-Determination of citric acid content-Enzymatic method
  • KS H ISO TS 2963-2021 Cheese and processed cheese products-Determination of citric acid content-Enzymatic method
  • KS D 1828-2024 Steel — Methods for determination of selenium content
  • KS D 1822-2022 Steel — Methods for determination of lead content
  • KS J 4205-2018 Methods for quantitative analysis of immobilized trypsin
  • KS J 4205-2023 Methods for quantitative analysis of immobilized trypsin
  • KS J 4204-2008 Methods for quantitative analysis of glucose oxidase
  • KS J 4204-2018 Methods for quantitative analysis of glucose oxidase
  • KS D 1828-2019 Steel — Methods for determination of selenium content
  • KS H ISO TS 2963:2007 Cheese and processed cheese products-Determination of citric acid content-Enzymatic method
  • KS D 1876-2024 Iron and steel — Methods for determination of titanium content
  • KS J 4204-2023 Methods for quantitative analysis of glucose oxidase
  • KS D 1809-2023 Iron and steel — Methods for determination of molybdenum content

Spanish Association for Standardization (UNE)

  • UNE-EN 12146:1997 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method
  • UNE-EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004)
  • UNE-EN ISO 11702:2016 Animal and vegetable fats and oils - Enzymatic determination of total sterols content (ISO 11702:2016)
  • UNE-EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004)
  • UNE-EN ISO 11213:1995 MODIFIED STARCH. DETERMINATION OF ACETYL CONTENT. ENZYMATIC METHOD. (ISO 11213:1995).
  • UNE-EN ISO 11702:2010 Animal and vegetable fats and oils - Enzymatic determination of total sterols content (ISO 11702:2009)
  • UNE-EN 12138:2000 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
  • AENOR UNE-EN ISO 11702:2016 Animal and vegetable fats and oils - Enzymatic determination of total sterols content (ISO 11702:2016)
  • UNE-EN 12632:2000 FRUIT AND VEGETABLE JUICES. ENZYMATIC DETERMINATION OF ACETIC ACID (ACETATE) CONTENT. NAD SPECTROMETRIC METHOD
  • UNE-EN 1139:1995 FRUIT AND VEGETABLE JUICES. ENZYMATIC DETERMINATION OF D-ISOCITRIC ACID CONTENT. NADPH SPECTROMETRIC METHOD.
  • UNE-EN 12014-5:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 5: ENZYMATIC DETERMINATION OF NITRATE CONTENT OF VEGETABLE-CONTAINING FOOD FOR BABIES AND INFANTS.
  • UNE-EN 12631:2000 FRUIT AND VEGETABLE JUICES. ENZYMATIC DETERMINATION OF D- AND L-LACTIC ACID (LACTATE) CONTENT. NAD SPECTROMETIC METHOD.
  • JIS M 8124:2021 Ores -- Methods for determination of zinc

Lithuanian Standards Office

  • LST EN 12146-2000 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method
  • LST EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004)
  • LST EN ISO 11213:2000 Modified starch - Determination of acetyl content - Enzymatic method (ISO 11213:1995)
  • LST EN ISO 15914:2005 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004)
  • LST EN 1139-1999 Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method
  • LST EN 1138-2000 Fruit and vegetable juices - Enzymatic determination of L-malic acid (L-malate) content - NADH spectrometric method
  • LST EN ISO 11702:2010 Animal and vegetable fats and oils - Enzymatic determination of total sterols content (ISO 11702:2009)
  • LST EN 1137-2001 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content - NADH spectrometric method
  • LST EN 12138-2000 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
  • LST EN 12632-2000 Fruit and vegetable juices - Enzymatic determination of acetic acid (acetate) content - NAD Spectrometric method
  • LST ISO 26462:2012 Milk - Determination of lactose content - Enzymatic method using difference in pH (ISO 26462:2010, identical)
  • LST EN 12014-5-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants

Austrian Standards

  • ONORM DIN 10325-1993 Determination of the citric acid content of processed cheese - Enzymic method

Swedish Institute for Standards

  • SS-EN ISO 15914:2006 Animal feeding stuffs - Enzymatic determination of total starch content (ISO 15914:2004)
  • SS-EN ISO 11213:1995 Modified starch - Determination of acetyl content- Enzymatic method (ISO 11213:1995)
  • SS-EN 12146:1996 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADPspectrometric method
  • SS-EN 12632:1999 Fruit and vegetable juices - Enzymatic determination of acetic acid (acetate) content - NAD spectrometric method
  • SS-EN 1139:1995 Fruit and vegetable juices - Enzymatic determination of D-isocitricacid content - NADPH spectrometric method
  • SS-EN ISO 14637:2006 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004)
  • SS-EN ISO 11702:2009 Animal and vegetable fats and oils - Enzymatic determination of total sterols content (ISO 11702:2009)
  • SS-EN ISO 11702:2016 Animal and vegetable fats and oils - Enzymatic determination of total sterols content (ISO 11702:2016)
  • SS-EN 1137:1995 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content - NADH spectrometric method

Standards Norway

  • NS-EN ISO 11213:1995 Modified starch — Determination of acetyl content — Enzymatic method (ISO 11213:1995)
  • NS-EN 12146:1996 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method
  • NS-EN ISO 14637:2006 Milk — Determination of urea content — Enzymatic method using difference in pH (Reference method) (ISO 14637:2004)
  • NS-EN 12138:1997 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
  • NS-EN ISO 15914:2005 Animal feeding stuffs — Enzymatic determination of total starch content (ISO 15914:2004)
  • NS-EN ISO 11702:2009 Animal and vegetable fats and oils — Enzymatic determination of total sterols content (ISO 11702:2009)
  • NS-EN 1139:1994 Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method
  • NS-EN ISO 11702:2016 Animal and vegetable fats and oils — Enzymatic determination of total sterols content (ISO 11702:2016)
  • NS-EN 1138:1994 Fruit and vegetable juices - Enzymatic determination of L-malic acid (L-malate) content - NADH spectrometric method
  • NS-EN 12632:1999 Fruit and vegetable juices - Enzymatic determination of acetic acid (acetate) content - NAD Spectrometric method
  • NS-EN 12014-5:1997 Foodstuffs — Determination of nitrate and/or nitrite content — Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
  • NS-EN 1137:1994 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content - NADH spectrometric method
  • NS-EN 12631:1999 Fruit and vegetable juices - Enzymatic determination of D- and L-lactic acid (lactate) content - NAD spectrometric method

European Committee for Standardization (CEN)

  • EN ISO 11702:2016 Animal and vegetable fats and oils - Enzymatic determination of total sterols content
  • EN ISO 14637:2006 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
  • EN 12146:1996 Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method
  • EN 1140:1994 Fruit and vegetable juices - Enzymatic determination of D-glucose and D-fructose content - NADPH spectrometric method
  • EN 12632:1999 Fruit and vegetable juices - Enzymatic determination of acetic acid (acetate) content - NAD spectrometric method
  • EN 12138:1997 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method

International Dairy Federation (IDF)

  • IDF/RM 34-2006 Cheese and processed cheese products - Determination of citric acid content - Enzymatic method
  • IDF 110-2012 Milk and milk products - Calf rennet and adult bovine rennet - Determination by chromatography of chymosin and bovine pepsin contents

Japanese Industrial Standards Committee (JISC)

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

Belgian Standards Institute

  • NBN EN 1137-1995 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content - NADH spectrometric methodQ

Czech Standards Institute (UNMZ)

  • CSN 46 7092-28-1998 Testing methods for feeding stuffs - Part 28: Determination of the urease activity in the products containing soya
  • CSN 65 4813-1988 Fertilizers. Methods for the determination of water content.