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Anhydride activity

Anhydride activity, Total:494 items.

In the international standard classification, Anhydride activity involves: Products of the chemical industry, Organic chemicals, Protection against dangerous goods, Insulating materials, Inorganic chemicals, Waxes, bituminous materials and other petroleum products, Analytical chemistry, Materials for aerospace construction, Milk and milk products, Farming and forestry, Animal feeding stuffs, Fertilizers, Construction materials, Sterilization and disinfection, Soil quality. Pedology, Meat, meat products and other animal produce, Metalliferous minerals, Microbiology, Coals, Medical sciences and health care facilities in general, Products of the textile industry, Terminology (principles and coordination), Extraction and processing of petroleum and natural gas, General methods of tests and analysis for food products, Fuels, Coatings and related processes used in aerospace industry, Petroleum products in general, Pharmaceutics, Materials and articles in contact with foodstuffs, Geology. Meteorology. Hydrology, Paint ingredients, Power stations in general, Non-metalliferous minerals, Paints and varnishes.

PL-PKN, Anhydride activity

PN C04838-1986 Non ionic surface active agents Polyetoxylated derivates Determination of hydroxyl value Phtalic anhydride method
PN C04837-1986 Non ionic surface active agents Polyethoxylated derivates Determination of hydroxyl value Acetic anhydride method
PN Z04217-02-1991 Air purity protection Tests for maleic anhydride content Determination of maleic anhydride in work places by high performance li?uid chromatography
PN BN 6016-05-1965
PN-EN 13971-2021-02 E Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
PN C97555-12-1986 Activated carbon Method of test Determination of matter soluble in hydrochloric acid
PN C04550 ArkusZ03-1972 Water and waste waterTests for synthetic surface active agents and theirs biochemical oxidation Determination of nonionic, polyethoxyHc synthetic surface active agents by colorimetric method with ammo- nium cobaltothiocyanate
PN C04550 ArkusZ04-1974 Water and waste water Tests for synthetic surface active agents and theirs biochemical oxidation Determination of nonionic poly- ethoxylic synthetic surface active agents by colorimetric method with phosphotungstic acid
PN-EN ISO 11816-2-2016-10 P Milk and milk products -- Determination of alkaline phosphatase activity -- Part 2: Fluorimetric method for cheese (ISO 11816-2:2016)

RO-ASRO, Anhydride activity

SR ISO 4326:1995 Non-ionic surface active agents - Polyethoxylated derivatives - Determination of hydroxyl value - Acetic anhydride method
STAS 6099-1980 SURFACE AGENTS Determination of stabilit}' against acide
STAS SR 13408-1998 Surface active agents - Detergents - Determination of carbonate content
STAS 7258/1-1971 Surface active agents conditioned linear primary ALKYLSULPHATE BASE DETER- GENTS
STAS SR 13422-1999 Enzyme preparations for zootechny - Microbial phytase -Enzyme activity determination
STAS 6546-1972 Surface active agents. AT.KYL-ARYL-SODIUM SULPHO- NATE RASE DETERGENTS, CONDITIONED
STAS 5775-1985 SCRFACE ACTIVE AGENTS Delrrniinafjon of dispersive power rc- garding calcium soap. Acidimetric mt- thod

AENOR, Anhydride activity

UNE 55717:1984 SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
UNE 55730:1982 SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYETHOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. ACETIC ANHYDRIDE METHOD
UNE 55731:1982 SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYALKAXYLATED DERIVATIVES. DETEMINATION OF HYDROXYL VALUE. PHTALIC ANHYDRIDE METHOD
UNE 55541:1980 SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. DETERMINATION OF SULPHATED ASH. GRAVIMETRIC METHOD
UNE-EN 14712:2005 Surface active agents - Determination of physical stability in alkaline and acid solutions
UNE 55810:1991 SURFACE ACTIVE AGENTS. SULFATED ETHOXYLATED ALCOHOLS AND ALKYLPHENOLS. DETERMINATION OF TOTAL ACTIVE MATTER CONTENT.
UNE 55533:1976 SURFACE ACTIVE AGENTS. DETERGENTS. ANIONIC-ACTIVE MATTER STABLE TO ACID HYDROLYSIS. DETERMINATION OF TRACE AMOUNTS
UNE-EN ISO 30024:2010 Animal feeding stuffs - Determination of phytase activity (ISO 30024:2009)
UNE-EN 13971:2013 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
UNE-EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method (ISO 22160:2007)
UNE-EN 16357:2014 Carbonate liming materials - Determination of reactivity - Automatic titration method with citric acid
UNE 55510:1991 SURFACE ACTIVE AGENTS. TECHNICAL ALKANE SULFONATES. METHODS OF ANALYSIS.
UNE-EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
UNE 55513:1981 SURFACE ACTIVE AGENTS. TECHNICAL ALKANE SULFONATES. DETERMINATION OF TOTAL ALKANE SULPHONATE CONTENT
UNE 55804:1985 SURFACE ACTIVE AGENTS. DETERMINATION OF THE POWER TO DISPERSE CALCIUM SOAP. ACIDIMETRIC METHOD (MODIFIED SCH？NFELDT METHOD)
UNE-EN 14880:2006 Surface active agents - Determination of inorganic sulphate content in anionic surface active agents - Potentiometric lead selective electrode titration method
UNE-EN ISO 2870:2009 Surface active agents - Detergents - Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions (ISO 2870:2009)
UNE 83451:1986 EX ADDITIONS FOR CONCRETE. FLY ASH: ACTIVITY INDEX WITH PORTLAND CEMENT
UNE 55808:1985 SURFACE ACTIVE AGENTS. DETERMINATION OF MINERAL SULFATE CONTENT. TITRIMETRIC METHOD
UNE 55511-1:1981 SURFACE ACTIVE AGENTS. ANALYSIS OF TECHNICAL SODIUM PRIM-ALKYLSULFATES. SCOPE
UNE 55721:1984 SURFACE ACTIVE AGENTS. TECHNICAL ALKYLOLAMIDES. DETERMINATION OF FREE FATTY ACIDS
UNE 55504-1:1981 SURFACE ACTIVE AGENTS. ANALYSIS OF TECHNICAL SODIUM SEC-ALKYSULPHATES. SCOPE
UNE 55836:1987 SURFACE ACTIVE AGENTS. WASHING POWDERS. DETERMINATION OF INORGANIC SULFATES. GRAVIMETRIC METHOD
UNE 55540:1979 SURFACE ACTIVE AGENTS. DETERMINATION OF FREEE ALKALINITY OR FREE ACIDITY. TITRIMETRIC METHOD
UNE 55548:1990 SURFACE ACTIVE AGENTS. TECHNICAL ALKANE SULFONATES. DETERMINATION OF ALKANE MONOSULFONATES CONTENT BY DIRECT TWO-PHASE TITRATION
UNE 55504-3:1981 SURFACE ACTIVE AGENTS. ANALYSIS OF TECHNICAL SODIUM SEC-ALKYLSULPHATES. DETERMINATION OF THE SODIUM SEC-ALKYLSULPHATES CONTENT
UNE 55512-4:1982 SURFACE ACTIVE AGENTS. TECHNICAL SODIUM ALKYLARYL-SULPHONATES (EXCLUDING BENZENE DERIVATIVES). DETERMINATION OF THE CONTENT OF THE SODIUM SULPHITE
UNE-EN ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter (ISO 8799:2009)
UNE 55626:1983 SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF CARBONATES CONTENT. GAS-VOLUMETRIC METHOD
UNE-EN ISO 11816-2:2017 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorimetric method for cheese (ISO 11816-2:2016)

Korean Agency for Technology and Standards (KATS), Anhydride activity

KS M ISO 4326-2008(2018) Non-ionic surface active agents－Polyethoxylated derivatives－Determination of hydroxyl value－Acetic anhydride method
KS M ISO 4327-2003(2018) Non-ionic surface active agents-Polyalkoxylated derivatives －Determination of hydroxyl value-Phthalic anhydride method
KS M 1908-2009 Phthalic anhydride for industrial use－Methods of test－Measurement of colour stability
KS M 1908-2002(2007) Phthalic anhydride for industrial use－Methods of test－Measurement of colour stability
KS M ISO 2868-2007(2017) Surface active agents－Detergents－Anionic-active matter stable to acid hydrolysis－Determination of trace amounts
KS M ISO 6842:2008 Surface active agents-Sulfated ethoxylated alcohols and alkylphenols-Determination of total active matter content
KS M ISO 2868:2007 Surface active agents－Detergents－Anionic-active matter stable to acid hydrolysis－Determination of trace amounts
KS M ISO 2868-2007(2022) Surface active agents－Detergents－Anionic-active matter stable to acid hydrolysis－Determination of trace amounts
KS M ISO 6122-2007(2017) Surface active agents－Technical alkane sulphonates－Determination of total alkane sulphonates content
KS M ISO 6844:2007 Surface N agents-Determination of mineral sulfate content-Titrimetric method
KS M ISO 894-2007(2018) Surface active agents－Technical sodium primary alkylsulphates－Methods of analysis
KS M ISO 893-2007(2018) Surface active agents－Technical alkane sulfonates－Methods of analysis
KS M ISO 6122-2007(2022) Surface active agents－Technical alkane sulphonates－Determination of total alkane sulphonates content
KS M ISO 2870:2007 Surface active agents-Detergents-Determination of anionic-active matter hydrolyzable and non-hydrolyzable under acid conditions
KS M ISO 2870-2014(2019) Surface active agents — Detergents — Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions
KS M ISO 2870:2014 Surface active agents — Detergents — Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions
KS M ISO 893:2007 Surface active agents－Technical alkane sulfonates－Methods of analysis
KS M ISO 895-2007(2018) Surface active agents－Technical sodium secondary alkylsulphates－Methods of analysis
KS M ISO 6122:2007 Surface active agents－Technical alkane sulphonates－Determination of total alkane sulphonates content
KS M ISO 894:2007 Surface N agents-Technical sodium primary alkylsulphates-Methods of analysis
KS M ISO 895:2007 Surface N agents-Technical sodium secondary alkylsulphates-Methods of analysis
KS M ISO 6844-2007(2018) Surface active agents－Determination of mineral sulfate content－Titrimetric method
KS M ISO 4322-2003(2018) Non-ionic surface active agents－Determination of sulphated ash－Gravimetric method
KS M ISO 4322:2003 Non-ionic surface active agents－Determination of sulphated ash－Gravimetric method
KS M ISO 8214:2007 Surface active agents－Washing powders－Determination of inorganic sulfates－Gravimetric method
KS M ISO 8214-2007(2018) Surface active agents－Washing powders－Determination of inorganic sulfates－Gravimetric method
KS M ISO 4314:2003 Surface active agents－Determination of free alkalinity or free acidity－Titrimetric method
KS M ISO 4314-2003(2018) Surface active agents－Determination of free alkalinity or free acidity－Titrimetric method
KS E 3077-2021 Testing method for hydraulic activity of limestone used to precipitated calcium carbonate
KS M ISO 8799-2014(2019) Surface active agents — Sulfated ethoxylated alcohols and alkylphenols — Determination of content of unsulfated matter
KS E 3077-2006 Testing method for hydraulic activity of limestone used to precipitated calcium carbonate
KS E 3077-2006(2016) Testing method for hydraulic activity of limestone used to precipitated calcium carbonate
KS M ISO 8799:2008 Surface active agents-Sulfated ethoxylated alcohols and alkylphenols-Determination of content of unsulfated matter
KS M ISO 6121-2007(2022) Surface active agents－Technical alkane sulfonates－Determination of alkane monosulfonates content by direct two-phase titration
KS M ISO 8799:2014 Surface active agents — Sulfated ethoxylated alcohols and alkylphenols — Determination of content of unsulfated matter
KS M ISO 6121-2007(2017) Surface active agents－Technical alkane sulfonates－Determination of alkane monosulfonates content by direct two-phase titration
KS M ISO 6843:2008 Surface active agents-Sulfated ethoxylated alcohols and alkylphenols-Estimation of the mean relative molecular mass
KS M ISO 6843:2013 Surface active agents－Sulfated ethoxylated alcohols and alkylphenols－Estimation of the mean relative molecular mass
KS M ISO 6387-2003(2018) Surface active agents－Determination of the power to disperse calcium soap－Acidimetric method(Modified Schönfeldt method)
KS M ISO 6845:2007 Surface N agents-Technical alkane sulfonates-Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content
KS M ISO 6121:2007 Surface active agents－Technical alkane sulfonates－Determination of alkane monosulfonates content by direct two-phase titration
KS M ISO 6845-2007(2018) Surface active agents－Technical alkane sulfonates－Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content

KR-KS, Anhydride activity

KS M ISO 4326-2008(2023) Non-ionic surface active agents－Polyethoxylated derivatives－Determination of hydroxyl value－Acetic anhydride method
KS M ISO 4327-2003(2023) Non-ionic surface active agents-Polyalkoxylated derivatives －Determination of hydroxyl value-Phthalic anhydride method
KS M ISO 6842-2008 Surface active agents－Sulfated ethoxylated alcohols and alkylphenols－Determination of total active matter content
KS M ISO 893-2007(2023) Surface active agents－Technical alkane sulfonates－Methods of analysis
KS M ISO 894-2007(2023) Surface active agents－Technical sodium primary alkylsulphates－Methods of analysis
KS M ISO 895-2007(2023) Surface active agents－Technical sodium secondary alkylsulphates－Methods of analysis
KS M ISO 6844-2007(2023) Surface active agents－Determination of mineral sulfate content－Titrimetric method
KS M ISO 8214-2007(2023) Surface active agents－Washing powders－Determination of inorganic sulfates－Gravimetric method
KS M ISO 4322-2003(2023) Non-ionic surface active agents－Determination of sulphated ash－Gravimetric method
KS M ISO 4314-2003(2023) Surface active agents－Determination of free alkalinity or free acidity－Titrimetric method
KS M ISO 6387-2003(2023) Surface active agents－Determination of the power to disperse calcium soap－Acidimetric method(Modified Schönfeldt method)
KS M ISO 6845-2007(2023) Surface active agents－Technical alkane sulfonates－Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content

BE-NBN, Anhydride activity

NBN T 63-143-1980 Non-ionic surface active agents - Polyalkoxylated derivatives - Determination of hydroxyl value - Phthalic anhydride method
NBN T 63-142-1980 Non-ionic surface active agents - Polyethoxylat?d derivatives -Determination of hydroxyl value - Acetic anhydride method
NBN V 21-032-1983 Milk - Determination of the phosphatase activity
NBN V 21-033-1983 Dried milk - Determination of the phosphatase activity
NBN T 63-153-1983 Surface active agents - Polyethoxylated alcohol and alkylphenol sulfates -Determination of total active matter content
NBN V 21-007-1977 Determination of the phosphatase activity of butter
NBN-ISO 893:1990 Surface active agents - Technical alkane sulfonates - Methods of analysis
NBN-ISO 6842:1990 Tenside - Sulfatierte, ethoxylierte Alkohole und Alkylphenole - Bestimmung des Gesamt - aktiven -Stoffengehaltes
NBN T 63-124-1980 Surface active agents - Deergents - Anionic-active matter stable to acid hydrolysis - Deermination of trace amounts
NBN T 63-110-1980 Surface active agents - Technical sodium alkane sulphonates -Methods of analysis
NBN T 63-126-1988 Surface active agents - Deergents - Deermination of anionic-active matter hydrolyzable and non-hydrolyzable under acid conditions
NBN T 63-154-1983 Surface active agents - Technical alkane sulphonates - Determination of mean relative molecular mass of alkane monosulphonates
NBN T 63-114-1980
NBN T 63-145-1980 Surface active agents - Technical alkane sulphonates - Determination of total alkane sulphonates content
NBN T 63-158-1987 Surface active agents - Determination of minerai sulfate content - Titrimetric method
NBN T 63-128-1980 Surface active agents - Analysis of technical alkane sulphonates - Deermination of alkane monosulphonates content
NBN-EN ISO 2870:1995 Surface active agents - Detergents - Determination of anionic-active matter hydrolyzable and non- hydrolyzable under acid conditions (ISO 2870:1986)
NBN T 63-112-1980 Surface active agents - Technical sodium secondary alkylsulphates -Methods of analysis
NBN T 63-138-1980 Non-ionic surface active agents - Determination 'of sulphated ash - Gravimetrie method
NBN T 63-111-1980 Surface active agents - Technical sodium primary alkylsulphates -Methods of analysis
NBN T 63-131-1980 Surface active agents - DEermination of free alkalinity or free acidity - Titrimetric method
NBN T 63-159-1987 Surface active agents - Washing powders - Determination of inorganic sulfates -Gravimetrie method
NBN T 63-163-1988 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter
NBN-ISO 6845:1990 Oppervlakactieve stoffen - Technische alkaansulfonaten - Bepaling van de gemiddelde relatieve moléculaire massa van de alkaanmonosulfonaten en van hun gehalte
NBN T 63-162-1988 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Estimation of the mean relative molecular mass
NBN T 63-144-1988 Surface active agents - Technical alkane sulfonates - Determination of alkane monosulfonates content by direct two-phase titration

Association Francaise de Normalisation, Anhydride activity

NF T73-272:1978 Non-ionic surface active agents. Polyethoxylated derivatives. Determination of hydroxyl value. Acetic anhydride method.
NF T73-273:1978 Non-ionic surface active agents. Polyalkoxylated derivatives. Determination of hydroxyl value. Phthalic anhydride method.
NF T73-240*NF ISO 6842:1989 Surface active agents. Sulfated ethoxylated alcohols and alkylphenols. Determination of total active matter content.
NF EN ISO 30024:2009 Aliments des animaux - Détermination de l'activité phytasique
NF EN ISO 22160:2007 Lait et boissons à base de lait - Détermination de l'activité de la phosphatase alcaline - Méthode par un système de photoactivation enzymatique
NF T73-259:1973 Surface active agents. Anionic active matter stable to acid hydrolysis. Determination of trace amounts.
NF U44-030*NF EN 16357:2013 Carbonate liming materials - Determination of reactivity - Automatic titration method with citric acid
NF EN 14712:2005 Agents de surface - Détermination de la stabilité physique dans les solutions alcalines et acides
NF T73-427*NF EN 14712:2005 Surface active agents - Determination of physical stability in alkaline and acid solutions.
NF V18-224*NF EN ISO 30024:2009 Animal feeding stuffs - Determination of phytase activity
NF ISO 893:1990 Agents de surface - Alcanesulfonates techniques - Méthode d'analyse.
NF ISO 6842:1989 Agents de surface - Sulfates d'alcools et d'alkylphenols éthoxylés - Détermination de la teneur en matière active totale.
NF EN ISO 2870:2009 Agents de surface - Détergents - Détermination de la matière active anionique hydrolysable et non hydrolysable en milieu acide
NF T73-292*NF EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analysis method.
NF EN 14670:2005 Agents de surface - Dodécylsulfate de sodium - Méthode d'analyse
NF T73-262*NF EN ISO 2870:2009 Surface active agents - Detergents - Determination of anionic-active matter hydrolyzable and non-hydrolyzable under acid conditions
NF T73-262:1994 Surface active agents. Detergents. Determination of acionic-active matter hydrolyzable and non-hydrolyzable under acid conditions.
NF T73-233*NF ISO 893:1990 Surface active agents. Technical alkane sulfonates. Methods of analysis.
NF T73-208:1983 Surface active agent. Determination of mineral sulfate content. Titrimetric method.
NF T73-705*NF ISO 8214:1986 Surface active agents. Washing powders. Determination of inorganic sulfates. Gravimetric method.
NF T73-232:1978 Surface active agents. Technical sodium secondary alkylsulphates. Methods of analysis.
NF T73-231:1978 Surface active agents. Technical sodium primary alkylsulphates. Methods of analysis.
NF T73-242*NF EN ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter.
NF EN ISO 8799:2009 Agents de surface - Sulfates d'alcools et d'alkylphénols éthoxylés - Détermination de la teneur en matière insulfatée
NF EN 14880:2005 Agents de surface - Détermination de la teneur en sulfate inorganique dans les agents de surface anioniques - Méthode potentiométrique de titrage avec électrode à membrane sélective au plomb
NF T73-271:1978 Non-ionic surface active agents. Determination of sulphated ash-gravimetric method.
NF T73-293*NF EN 14880:2005 Surface active agents - Determination of inorganic sulphate content in anionic surface active agents - Potentiometric lead selective electrode titration method.
NF V04-054-2*NF EN ISO 11816-2:2016 Milk and milk products - Determination of alkaline phosphatase activity - Part 2 : fluorimetric method for cheese
NF EN ISO 11816-2:2016 Lait et produits laitiers - Détermination de l'activité de la phosphatase alcaline - Partie 2 : méthode fluorimétrique pour le fromage
NF T73-205:1977 Surface active agents. Determination of free alkalinity or free acidity. Titrimetric method.
NF T73-291*NF EN 14669:2005 Surface active agents - Determination of anionic surface active agents and soaps in detergents and cleansers - Potentiometric two-phase titration method.
NF ISO 6121:1988 Agents de surface - Alcanesulfonates techniques - Détermination de la teneur en alcanemonosulfonates par titrage direct dans deux phases.
NF T73-011:1959 Surface active agents. Technical sodium salts of sulphuric esters of amido-alcohols derived from fatty acids. Analytical method.
NF V04-054-2:2003 Milk and milk products - Determination of alkaline phosphatase activity - Part 2 : fluorometric method for cheese.
NF T73-238:1989 Surface active agents. Technical alkane sulfonates. Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content.
NF T73-236*NF ISO 6121:1988 Surface active agents. Technical alkane sulfonates. Determination of alkane monosulfonates content by direct two-phase titration.
NF L16-104:1990 Aerospace industry. Paints and varnishes. Determination of the phosphoric acid content of a reactive diluent.
NF T73-238*NF EN ISO 6845:2003 Surface active agents - Technical alkane sulfonates - Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content
NF V04-058*NF EN ISO 22160:2007 Milk and milk based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method
NF EN ISO 6845:2003 Agents de surface - Alcanesulfonates techniques - Détermination de la masse moléculaire relative moyenne des alcanemonosulfonates et de leur teneur

AR-IRAM, Anhydride activity

RU-GOST R, Anhydride activity

GOST R ISO 4327-1994 Non-ionic surface active agents. Polyalkoxylated derivatives. Determination of hydroxyl value. Phtalic anhydride method
GOST 24445.1-1980 Phthalic anhydride for industrial use. Method for the determination of phthalic anhydride
GOST R ISO 30024-2012 Animal feeding stuffs. Determination of phytase activity
GOST 23231-2016 Cooked sausage items and cooked meat products. Method for determination of residual activity of acid phosphatase
GOST 30648.5-1999 Infant milk products. Method of active acidity determination
GOST R 53360-2009 Enzyme preparation. Methods of detection of phytase activity
GOST 31487-2012 Enzyme preparations. Methods of phytase enzyme activity determination
GOST ISO 22160-2015 Milk and milk-based drinks. Determination of alkaline phosphatase activity. Enzymatic photo-activated system (EPAS) method
GOST 24596.5-2015 Feed phosphates. Method for determination of hydrogen ions activity value
GOST 33576-2015 Activated carbon. Standard test method for determining acid extractable substances content
GOST R 50001-1992 Surface active agents. Technical sodium secondary alkylsulphates. Methods of analysis
GOST R 50002-1992 Surface active agents. Primary technical sodium alkylsulphates. Methods of analysis
GOST 26028-1983 Dark-coloured raw material for surfactants. Method of determination of an acid value
GOST 11623-1989 Peat and products of its processing for agriculture. Methods for the determination of exchange and active acidity
GOST 28478-1990 Surface active agents. Determination of mineral sulhate content. Titrimetric method
GOST 33580-2015 Activated carbon. Standard test method for determination of acid soluble iron via atomic absorption spectrometry
GOST 28972-1991 Canned fish and other seaproducts. Method for determination of actual acidity (pH)
GOST R 50472-1993 Surface activ agents. Technical alkane sulfonates. Determination of alkane monosulfonates content by direct two-phase titration

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Anhydride activity

GB/T 7383-1997 Non-ionic surface active agents--Polyalkoxylated derivatives--Determination of hydroxyl value--Phthalic anhydride method
GB/T 31516-2015 Classification method for hazardous characterisitics of phthalic anhydride
GB/T 31514-2015 Classification method for hazardous characterisitics of tetrahydrophthalic acid anhydride
GB/T 7384-1996 Non-ionic surface active agents--Polyethoxylated derivatives--Determination of hydroxyl value--Acetic anhydride method
GB/T 5555-2003 Surface active agents--Test method for acid stability
GB/T 13803.5-1999 Catalyst support activated carbon for vinyl acetate synthesis
GB/T 28191-2011 Surface active agents.Detergents.Anionic-active matter stable to acid hydrolysis.Determination of trace amounts
GB/T 5413.16-1997 Milk powder and formula foods for infant and young children--Determination of folic acid (folate activity)
GB/T 17041-1997 Surface active agents--Sulfated ethoxylated alcohols and alkylphenols--Determination of total active matter content
GB/T 17041-2012 Surface active agents.Sulfated ethoxylated alcohols and alkylphenols.Determination of total active matter content
GB/T 12496.18-1999 Test methods of wooden activated carbon-Determination of acid-soluble substance
GB/T 12496.17-1999 Test methods of wooden activated carbon-Determination of sulphate
GB/T 18634-2002 Determination of feed phytase activity--Spectrothotometric method
GB/T 18634-2009 Determination of feed phytase activity-Spectrophotometric method
GB/T 28193-2011(英文版) Determination of chloroacetic acid (chloroacetate) contents in surfactants
GB/T 23325-2009 Textiles.Determination of surfactant.Linear alkylbenzene sulfonates
GB/T 28193-2011 Determination of chloroacetic acid(chloroacetate) contents in surfactants
GB/T 28192-2011 Surface active agents.Detergents.Determination of anionic-active matter hydrolyzable and non-hydrolyzable under acid conditions
GB/T 11987-1989 Surface active agent--Technical alkane sulphonates--Determination of total alkane sulphonates content
GB/T 11987-2022 Surface active agents—Technical alkane sulphonates—Determination of total alkane sulphonates content
GB 11987-1989 Determination of total alkane sulfonate content in surfactant industry alkane sulfonate
GB/T 6366-1992 Surface active agents-Determiantion of mineral sulfate content-Titrimetric method
GB/T 13530.1-1992 Sodium ethoxylated alkyl sulfate--Determination of total active matter content
GB/T 6366-2012 Surface active agents.Determination of mineral sulfate content.Titrimetric method
GB/T 28715-2012 Determination of acidic and neutral protease activity in feed additives.Spetrophotometric method
GB/T 17831-1999 Non-ionic surface active agents--Determination of sulfated ash--Gravimetric method
GB/T 12496.11-1999 Test methods of wooden activated carbon-Determination of quinine sulpoate Adsorption
GB 5413.16-2010 National food safety standard Determination of folic acid (folate activity) in foods for infans and young children,milk and milk products
GB/T 6365-1986 Surface active agents--Determination of free alkalinity or free acidity--Titrimetric method
GB/T 6365-2006 Surface active agents. Determination of free alkalinity or free acidity. Titrimetric method
GB 6365-1986 Surface active agents－Determination of free alkalinity or free acidity－Titrimetric method
GB/T 23323-2009 Textiles.Determination of surfactant.Ethylene diamine tetra acetate and diethylene triamine penta acetate
GB/T 20199-2006 Surface active agents - Technical alkane sulfonates - Determination of alkane monosulfonates content by direct two-phase titration
GB/T 7463-1987 Surface active agents--Determination of the power to disperse calcium soap--Acidimetric method (Modified Schoenfeldt method)
GB/T 20929-2007 The methods of testing acidithiobacillus ferrooxidans and its activity by microarray technology
GB/T 7463-2008 Surface active agents.Determination of the power to dispersecalcium soap.Acidimetric method(modifled Schöenfeldt method)
GB/T 11988-1989 Surface active agent--Technical alkane sulfonates--Determination of mean relative molecular mass and content of alkane monosulfonates
GB/T 11988-2008 Surface active agents-Technical alkane sulfonates-Determination of mean relative molecular mass and content of the alkane monosulfonate

International Organization for Standardization (ISO), Anhydride activity

ISO 4327:1979/Cor 1:1980 Non-ionic surface active agents; Polyalkoxylated derivatives; Determination of hydroxyl value; Phthalic anhydride method
ISO 4327:1979 Non-ionic surface active agents; Polyalkoxylated derivatives; Determination of hydroxyl value; Phthalic anhydride method
ISO 4326:1980 Non-ionic surface active agents; Polyethoxylated derivatives; Determination of hydroxyl value; Acetic anhydride method
ISO 17293-2:2014 Surface active agents - Determination of chloroacetic acid (chloroacetate) in surfactants - Part 2: Ionic chromatographic method
ISO 17293-1:2014 Surface active agents - Determination of chloroacetic acid (chloroacetate) in surfactants - Part 1: HPLC method
ISO/DIS 30024 Animal feeding stuffs — Determination of phytase activity
ISO 30024:2009 Animal feeding stuffs - Determination of phytase activity
ISO 1389-3:1977 Phthalic anhydride for industrial use; Methods of test; Part III : Measurement of colour stability
ISO 22160:2007 | IDF 209:2007 Milk and milk-based drinks — Determination of alkaline phosphatase activity — Enzymatic photo-activated system (EPAS) method
ISO 2868:1973 Surface active agents; Detergents; Anionic-active matter stable to acid hydrolysis; Determination of trace amounts
ISO 2870:2009 Surface active agents - Detergents - Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions
ISO 6842:1989 Surface active agents; sulfated ethoxylated alcohols and alkylphenols; determination of total active matter content
ISO 6842:1983 Surface active agents — Polyethoxylated alcohol and alkylphenol sulfates — Determination of total active matter content
ISO 2870:1973 Surface active agents — Detergents — Anionic-active matter hydrolyzable under acid conditions — Determination of hydrolyzable and non-hydrolyzable anionic-active matter
ISO 893:1989 Surface active agents; technical alkane sulfonates; methods of analysis
ISO 893:1978 Surface active agents — Technical sodium alkane sulphonates — Methods of analysis
ISO 2870:1986 Surface active agents; Detergents; Determination of anionic-active matter hydrolyzable and non-hydrolyzable under acid conditions
ISO/TS 4985:2023 Milk and milk products — Determination of alkaline phosphatase activity — Fluorimetric microplate method
ISO 6122:1978 Surface active agents; Technical alkane sulphonates; Determination of total alkane sulphonates content
ISO 894:1977 Surface active agents; Technical sodium primary alkylsulphates; Methods of analysis
ISO 895:1977 Surface active agents; Technical sodium secondary alkylsulphates; Methods of analysis
ISO/DTS 4985 | IDF/RM 255 Milk and milk products — Determination of alkaline phosphatase activity — Fluorimetric microplate method
ISO/TS 4985:2023 | IDF/RM 255:2023 Milk and milk products — Determination of alkaline phosphatase activity — Fluorimetric microplate method
ISO 6844:1983 Surface active agents; Determination of mineral sulfate content; Titrimetric method
ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter
ISO 3206:1975 Surface active agents — Analysis of technical alkane sulphonates — Determination of alkane monosulphonates content
ISO 8214:1985 Surface active agents; Washing powders; Determination of inorganic sulfates; Gravimetric method
ISO 4322:1977 Non-ionic surface active agents; Determination of sulphated ash; Gravimetric method
ISO 8799:1988 Surface active agents; Sulfated ethoxylated alcohols and alkylphenols; determination of content of unsulfated matter
ISO 11816-2:2003 | IDF 155-2:2003 Milk and milk products — Determination of alkaline phosphatase activity — Part 2: Fluorometric method for cheese
ISO/DIS 11816-2:2016 Milk and milk products — Determination of alkaline phosphatase activity — Part 2: Fluorimetric method for cheese
ISO/PRF 11816-2:2023 Milk and milk products — Determination of alkaline phosphatase activity — Part 2: Fluorimetric method for cheese
ISO 11816-2:2016 | IDF 155-2:2016 Milk and milk products — Determination of alkaline phosphatase activity — Part 2: Fluorimetric method for cheese
ISO 4314:1977 Surface active agents; Determination of free alkalinity or free acidity; Titrimetric method
ISO 6845:1982 Surface active agents — Technical alkane sulphonates — Determination of mean relative molecular mass of alkane monosulphonates
ISO 6121:1988 Surface active agents; technical alkane sulfonates; determination of alkane monosulfonates content by direct two-phase titration
ISO 6121:1979 Surface active agents — Technical alkyl- sulphonates — Determination of alkylmonosulphonates content (direct two-phase titration method)
ISO 11816-2:2003 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorometric method of cheese
ISO 11816-2:2016 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorimetric method for cheese
ISO 11816-2:2003|IDF 155-2:2003 Determination of alkaline phosphatase activity in milk and milk products Part 2: Fluorimetric method in cheese
ISO 6845:1989 Surface active agents; technical alkane sulfonates; determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content
ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method
ISO/PRF 11816-1:2023 Milk and milk products — Determination of alkaline phosphatase activity — Part 1: Fluorimetric method for milk and milk-based drinks
ISO 11816-1:2013 | IDF 155-1:2013 Milk and milk products — Determination of alkaline phosphatase activity — Part 1: Fluorimetric method for milk and milk-based drinks
ISO/DIS 11816-1:2013 Milk and milk products — Determination of alkaline phosphatase activity — Part 1: Fluorimetric method for milk and milk-based drinks
ISO 11816-1:2006 | IDF 155-1:2006 Milk and milk products — Determination of alkaline phosphatase activity — Part 1: Fluorimetric method for milk and milk-based drinks
ISO 22160:2007|IDF 209:2007 Determination of alkaline phosphatase activity in milk and milk-based beverages Enzymatic photocatalytic system (EPAS) method

CZ-CSN, Anhydride activity

CSN 66 3315-1980 Phthalic anhydride. Measurement of colour stability.
CSN 66 6135-1981 Surface active agens Higher Fatty Alcohols Determination of Acid Value
CSN ON 66 6121-1964 Testing of textile auxiliaries Determination of the anti-flake- activity of surfactans in the case of the applieation of vat-acidis
CSN 68 1152-1994 Testing methods for surfactans and detergents. Surface active agents. Determination of free alkalinity or free acidity. itrimetric method
CSN 68 1150-1994 Testing methods for surfactans and detergents. Determination of the carbonates content
CSN 57 0105-11-2003 Testing methods for dried milk products and codensed milk - Part 11: Determination of phosphatase activity

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Anhydride activity

GB/T 15022.7-2017 Resin based reactive compounds used for electrical insulation—Part 7: Epoxy-anhydride vacuum pressure impregnation(VPI) resin

Professional Standard - Chemical Industry, Anhydride activity

HG/T 3583-1999 Actived calcium phosphate
HG/T 3583-2009 Actived calcium phosphate
HG/T 2567-2006 Activated precipitated calcium carbonate for industrial use
HG/T 2567-1994 Industrial Active Precipitated Calcium Carbonate
HG/T 6141-2023 Cefixime side chain acid active ester
HG/T 5150~5152-2017 AE-active esters, furan ammonium salts and ceftazidime side chain acid active esters (2017)
HG/T 2776-1996 Industrial ultrafine calcium carbonate and industrial ultrafine activated calcium carbonate
HG/T 2776-2010 Fine precipitated calcium carbonate and fine activated precipitated calcium carbonate for industrial use
HG/T 2089-2014 Test method of activity for oxidizing sulphuric dioxide into sulphuric acid catalyst
HG/T 2089-2007 Test method of activity for oxidizing sulphuric dioxide into sulphuric acid catalyst

American Society for Testing and Materials (ASTM), Anhydride activity

ASTM D7389-07(2019) Standard Test Method for Acid Number (Empirical) of Maleic Anhydride (MAH) Grafted Waxes
ASTM D5354-95 Standard Test Method for Determination of Total Active Ingredients in Sulfonated and Sulfated Oils
ASTM D6385-99 Standard Test Method for Determining Acid Extractable Content in Activated Carbon by Ashing
ASTM D6385-99(2006) Standard Test Method for Determining Acid Extractable Content in Activated Carbon by Ashing
ASTM D1720-96(2000) Standard Test Method for Dilution Ratio of Active Solvents in Cellulose Nitrate Solutions
ASTM D1720-03 Standard Test Method for Dilution Ratio of Active Solvents in Cellulose Nitrate Solutions
ASTM D6385-99(2011) Standard Test Method for Determining Acid Extractable Content in Activated Carbon by Ashing
ASTM D1720-96 Standard Test Method for Dilution Ratio of Active Solvents in Cellulose Nitrate Solutions
ASTM D5354-95(2006) Standard Test Method for Determination of Total Active Ingredients in Sulfonated and Sulfated Oils
ASTM D1720-03(2012) Standard Test Method for Dilution Ratio of Active Solvents in Cellulose Nitrate Solutions
ASTM D5354-95(2020) Standard Test Method for Determination of Total Active Ingredients in Sulfonated and Sulfated Oils
ASTM D1720-03(2008) Standard Test Method for Dilution Ratio of Active Solvents in Cellulose Nitrate Solutions
ASTM D6385-99(2017) Standard Test Method for Determining Acid-Extractable Content in Activated Carbon by Ashing
ASTM D6385-22 Standard Test Method for Determining Acid-Extractable Content in Activated Carbon by Ashing

GM North America, Anhydride activity

GM GMP.S/MA.008-1991 Styrene Maleic Anhydride - Expandable Copolymer, High Heat Resistant
GM GMP.S/MA.007-1991 Styrene Maleic Anhydride - Expandable Copolymer Medium Heat Resistant

ES-AENOR, Anhydride activity

British Standards Institution (BSI), Anhydride activity

BS ISO 17293-1:2014 Surface active agents. Determination of chloroacetic acid (chloroacetate) in surfactants. HPLC method
BS M 22:1949 Specification for silica gel acid activated for aircraft purposes
BS EN ISO 30024:2009 Animal feeding stuffs - Determination of phytase activity
BS ISO 17293-2:2014 Surface active agents. Determination of chloroacetic acid (chloroacetate) in surfactants. Ionic chromatographic method
BS EN 13971:2012 Carbonate and silicate liming materials. Determination of reactivity. Potentiometric titration method with hydrochloric acid
BS EN 13971:2020 Carbonate and silicate liming materials. Determination of reactivity. Potentiometric titration method with hydrochloric acid
BS EN 13971:2008 Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
BS EN 13971:2003 Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
BS EN 13971:2002 Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
BS EN ISO 2870:2009 Surface active agents - Detergents - Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions
BS EN 14712:2005 Surface active agents - Determination of physical stability in alkaline and acid solutions
BS EN 16357:2013 Carbonate liming materials. Determination of reactivity. Automatic titration method with citric acid
BS ISO 22146:2018 Carbonate liming materials. Determination of reactivity. Automatic titration method with citric acid
BS EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
23/30422776 DC BS EN ISO 30024. Animal feeding stuffs. Determination of phytase activity
BS 6829-2.1:1988 Analysis of surface active agents (raw materials) - Alkane sulphonates - Method for determination of total alkaline sulphonates content
19/30386011 DC BS EN 13971. Carbonate and silicate liming materials. Determination of reactivity. Potentiometric titration method with hydrochloric acid
PD ISO/TS 4985:2023 Milk and milk products. Determination of alkaline phosphatase activity. Fluorimetric microplate method
BS 6829-5.1:1990 Analysis of surface active agents (raw materials). Ethoxylated alcohol and alkylphenol sulphates. Method for determination of total active matter content
BS EN 14880:2005 Surface active agents - Determination of inorganic sulfate content in anionic surface active agents - Potentiometric lead selective electrode titration method
BS 6829-2.3:1989 Analysis of surface active agents (raw materials). Alkane sulphonates. Method for determination of alkane monosulphonates content
BS 6829 Sec.2.3:1989 Analysis of surface active agents (raw materials). Alkane sulphonates. Method for determination of alkane monosulphonates content
BS EN ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter
BS 6829 Sec.2.1:1988 Analysis of surface active agents (raw materials). Alkane sulphonates. Method for determination of total alkaline sulphonates content
BS EN ISO 11816-1:2006 Milk and milk products. Determination of alkaline phosphatase activity - Fluorimetric method for milk and milk-based drinks
BS EN ISO 11816-2:2016 Tracked Changes. Milk and milk products. Determination of alkaline phosphatase activity. Fluorimetric method for cheese
BS EN ISO 11816-1:2013 Milk and milk products. Determination of alkaline phosphatase activity. Fluorimetric method for milk and milk-based drinks
BS 6829 Sec.5.1:1990 Analysis of surface active agents (raw materials). Ethoxylated alcohol and alkylphenol sulphates. Method for determination of total active matter content
BS EN ISO 6845:1989 Surface active agents - Technical alkane sulfonates - Determination of mean relative molecular mass and content of the alkane monosulphonates and the alkane monosulfonate content
BS EN ISO 11816-2:2003 Milk and milk products. Determination of alkaline phosphatase activity using a fluorimetric method. Fluorometric method for cheese
BS EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method

TH-TISI, Anhydride activity

TIS 1758-1999 Non.ionic surface active agents.polyethoxylated derivatives.determination of hydroxyl value.acetic anhydride method
TIS 1764-1999 Non.ionic surface active agents.determination of sulphated ash.gravimetric method

PT-IPQ, Anhydride activity

Professional Standard - Forestry, Anhydride activity

LY/T 1582-2000 Activated carbon for the decolourization of citric acid
LY/T 1785-2008 Granular activated carbon for refining of citric acid
LY/T 1786-2008 Determination on tannic value of activated carbon

Group Standards of the People's Republic of China, Anhydride activity

T/JXXTSGHYXH 001-2021 Industrial Active Precipitated Calcium Carbonate
T/JSQA 094-2021 Activated carbon for decolorization of sugar solution by phosphoric acid process
T/SICCA 011-2021 Slightly acidic hypochlorous acid water for centralized collection and transportation of domestic waste
T/NAIA 012-2020 Determination of Soil Phosphatase Activity by Colorimetric Method of Disodium Phenyl Phosphate
T/SHRH 015-2018 Cosmetics -Tyrosinase Activity Inhibition Test Method
T/TDSTIA 008-2019 Determination of Alkaline Phosphatase Activity in Pasteurized Milk by Luminescent Method
T/CSBM 0035-2023 Melt derived borosilicate bioactive glass raw materials
T/SATA 0002-2017 Determination of folic acid (folate activity) content in food for infants and young children and dairy products Microplate method
T/NAIA 013-2020 Determination of Soil Catalase Activity by Potassium Permanganate Titration
T/NAIA 011-2020 Determination of Soil Urease Activity Sodium Phenate-Sodium Hypochlorite Colorimetric Method
T/CSBM 0034-2023 Sol-gel derived borosilicate bioactive glasses raw materials
T/NAIA 010-2020 Determination of Soil Sucrase Activity by 3,5-Dinitrosalicylic Acid Colorimetric Method
T/JSRH 003-2023 Antiallergic Activity Test of Cosmetic Raw Materials Hyaluronidase Inhibition Method
T/AHPCA 050-2023 Cosmetic whitening efficacy testing method (tyrosinase activity test method)
T/GDCA 006-2021 Cosmetic ingredients-Tyrosinase activity inhibition test method (in vitro)
T/CEC 218-2019 Automatic Potentiometric Titration Method for Determination of Active Chlorine Content in Phosphate Resistant Fuels

工业和信息化部, Anhydride activity

HG/T 5152-2017 Ceftazidime side chain acid active ester
HG/T 5579-2019 Test method for catalyst activity in terephthalic acid hydrorefining
YB/T 4611-2017 Determination of active calcium oxide content in sintering flue gas desulfurization ash acid-base titration method

German Institute for Standardization, Anhydride activity

DIN 10337:1993 Determination of alkaline phosphatase activity in milk; enzymatic method
DIN EN ISO 30024:2009-11 Animal feeding stuffs - Determination of phytase activity (ISO 30024:2009); German version EN ISO 30024:2009
DIN 10337:1993-12 Determination of alkaline phosphatase activity in milk; enzymatic method
DIN EN ISO 22160:2007-08 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method (ISO 22160:2007); German version EN ISO 22160:2007
DIN EN 14712:2005-08 Surface active agents - Determination of physical stability in alkaline and acid solutions; German version EN 14712:2005
DIN EN 14712:2005 Surface active agents - Determination of physical stability in alkaline and acid solutions; German version EN 14712:2005
DIN EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method; German version EN 14670:2005
DIN EN ISO 2870:2009-07 Surface active agents - Detergents - Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions (ISO 2870:2009); German version EN ISO 2870:2009
DIN 52803:2008 Surface active agents - Analysis of technical alkane sulphonates - Determination of alkane monosulphonates content
DIN ISO 6122:1982-04 Surface active agents; technical alkane sulfonates; determination of total alkane sulfonates content
DIN EN ISO 30024:2023-04 Animal feeding stuffs - Determination of phytase activity (ISO/DIS 30024:2023); German and English version prEN ISO 30024:2023 / Note: Date of issue 2023-02-24*Intended as replacement for DIN EN ISO 30024 (2009-11).
DIN EN 14670:2005-09 Surface active agents - Sodium dodecyl sulfate - Analytical method; German version EN 14670:2005
DIN ISO 6122:1982 Surface active agents; technical alkane sulfonates; determination of total alkane sulfonates content
DIN EN 13971:2020 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid; German version EN 13971:2020
DIN EN 13971:2013 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid; German version EN 13971:2012
DIN CEN/TS 13130-24:2005 Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 24: Determination of maleic acid and maleic anhydride in food simulants; German version CEN/TS 13130-24:2005
DIN EN 13971:2020-11 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid; German version EN 13971:2020
DIN EN 16357:2013 Carbonate liming materials - Determination of reactivity - Automatic titration method with citric acid; German version EN 16357:2013
DIN 52803:2008-03 Surface active agents - Analysis of technical alkane sulphonates - Determination of alkane monosulphonates content
DIN EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method (ISO 22160:2007); English version of DIN EN ISO 22160:2007-08
DIN EN ISO 11816-2:2016-12 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorimetric method for cheese (ISO 11816-2:2016); German version EN ISO 11816-2:2016 / Note: To be replaced by DIN EN ISO 11816-2 (2023-01).
DIN EN ISO 8799:2010-04 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter (ISO 8799:2009); German version EN ISO 8799:2009
DIN EN 16357:2013-11 Carbonate liming materials - Determination of reactivity - Automatic titration method with citric acid; German version EN 16357:2013
DIN EN 14880:2005 Surface active agents - Determination of inorganic sulphate content in anionic surface active agents - Potentiometric lead selective electrode titration method; English version of DIN EN 14880
DIN EN 14880:2005-11 Surface active agents - Determination of inorganic sulphate content in anionic surface active agents - Potentiometric lead selective electrode titration method; German version EN 14880:2005
DIN ISO 6121:1981-12 Surface active agents, technical alkyl-sulphonates, determination of alkyl-monosulphonates content (direct twophase titration method)
DIN EN ISO 11816-2:2003 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorometric method for cheese (ISO 11816-2:2003); German version EN ISO 11816-2:2003
DIN ISO 6121:1981 Surface active agents, technical alkyl-sulphonates, determination of alkyl-monosulphonates content (direct twophase titration method)
DIN EN ISO 6845:2003 Surface active agents - Technical alkane sulfonates - Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content (ISO 6845:1989); German version EN ISO 6845:2003

VN-TCVN, Anhydride activity

TCVN 6535-1999 Surface active agent.Linear alkylbenzensulfonic acid
TCVN 5456-1991 Surface active agents.Detergents.Determination of anionic-active matter hydrolyzable and non-hydrolyzable under acid conditions
TCVN 6506-2-2009 Milk and milk products.Determination of alkaline phosphatase activity.Part 2: Fluorometric method of cheese
TCVN 7851-2008 Milk and milk-based drinks.Determination of alkaline phosphatase activity.Enzymatic photo-activated system (EPAS) method

BR-ABNT, Anhydride activity

ABNT MB-134R-1954

NL-NEN, Anhydride activity

NEN 3791-1986 Quarg (fresh cheese) - Detection of phosphatase activity

IN-BIS, Anhydride activity

IS 917-1976

Danish Standards Foundation, Anhydride activity

DS/EN ISO 30024:2009 Animal feeding stuffs - Determination of phytase activity
DS/EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method
DS/EN 14712:2005 Surface active agents - Determination of physical stability in alkaline and acid solutions
DS/EN 13971:2013 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
DS/EN 16357:2013 Carbonate liming materials - Determination of reactivity - Automatic titration method with citric acid
DS/EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
DS/EN ISO 2870:2009 Surface active agents - Detergents - Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions
DS/EN 14880:2005 Surface active agents - Determination of inorganic sulphate content in anionic surface active agents - Potentiometric lead selective electrode titration method
DS/EN ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter
DS/EN ISO 11816-2:2003 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Flourometric method for cheese

(U.S.) Ford Automotive Standards, Anhydride activity

FORD WSS-M4D857-A3-2001 STYRENE MALEIC ANHYDRIDE COPOLYMER (SMA), RUBBER MODIFIED, 16% GLASS FIBER REINFORCED MOLDING COMPOUND
FORD ESB-M4D489-A2-1999 STYRENE MALEIC ANHYDRIDE COPOLYMER (SMA) RUBBER MODIFIED, 20 % GLASS FIBER/10% ACRYLIC REGRIND REINFORCED
FORD WSH-M4D724-A3-2013 STYRENE MALEIC ANHYDRIDE (SMA) COPOLYMER, RUBBER MODIFIED, 20% GLASS FIBER REINFORCED MOLDING COMPOUND ***TO BE USED WITH FORD WSS-M99P1111-A***
FORD WSK-M4D724-A1-2013 STYRENE MALEIC ANHYDRIDE (SMA) COPOLYMER RUBBER MODIFIED, 20% GLASS FIBER REINFORCED MOLDING COMPOUND ***TO BE USED WITH FORD WSS-M99P1111-A***
FORD WSK-M4D724-A2-2013 STYRENE MALEIC ANHYDRIDE (SMA) COPOLYMER RUBBER MODIFIED, 20% GLASS FIBER/10% ACRYLIC REGRIND REINFORCED MOLDING COMPOUND ***TO BE USED WITH FORD WSS-M99P1111-A***

Taiwan Provincial Standard of the People's Republic of China, Anhydride activity

CNS 7829-1981 Method for Determination of Active Oxygen in Manganese Ores (Sodium Oxalate Method)
CNS 7828-1981 Method for Determination of Active Oxygen in Manganese Ores (Ferrous Sulfate Method)

Anhui Provincial Standard of the People's Republic of China, Anhydride activity

DB34/T 2268-2014 Compound active calcium carbonate for plastic and rubber

Professional Standard - Coal, Anhydride activity

MT/T 1068-2008 Determination for acid soluble iron content in activated carbon
MT/T 1069-2008 Determination for acid soluble content in activated carbon

Aerospace Industries Association, Anhydride activity

AIA NAS 381-1950 (Inactive)Storage Batteries; 12-Volt, Lead Acid (Rev. 1)

国家安全生产监督管理总局, Anhydride activity

MT/T 1068-2007 Determination method for acid-soluble iron content in activated carbon
MT/T 1069-2007 Determination method for acid-soluble matter content in activated carbon

European Committee for Standardization (CEN), Anhydride activity

EN 14712:2005 Surface active agents - Determination of physical stability in alkaline and acid solutions
EN ISO 30024:2009 Animal feeding stuffs - Determination of phytase activity
EN 16357:2013 Carbonate liming materials - Determination of reactivity - Automatic titration method with citric acid
EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
prEN ISO 30024 Animal feeding stuffs - Determination of phytase activity (ISO/DIS 30024:2023)
EN ISO 2870:1994 Surface Active Agents - Detergents - Determination of Anionic-Active Matter Hydrolyzable and Non-Hydrolyzable Under Acid Conditions (ISO 2870:1986)
EN 14880:2005 Surface active agents - Determination of inorganic sulphate content in anionic surface active agents - Potentiometric lead selective electrode titration method
EN ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter
EN ISO 6845:2003 Surface active agents - Technical alkane sulfonates - Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content
EN ISO 11816-2:2016 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorimetric method for cheese
EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method
EN ISO 8799:1995 Surface Active Agents - Sulfated Ethoxylated Alcohols and Alkylphenols - Determination of Content of Unsulfated Matter (ISO 8799 : 1988)

ES-UNE, Anhydride activity

UNE 55533:1990 ERRATUM SURFACE ACTIVE AGENTS. DETERGENTS. ANIONIC-ACTIVE MATTER STABLE TO ACID HYDROLYSIS. DETERMINATION OF TRACE AMOUNTS
UNE-EN 13971:2021 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

Lithuanian Standards Office , Anhydride activity

LST EN 14712-2005 Surface active agents - Determination of physical stability in alkaline and acid solutions
LST EN ISO 30024:2009 Animal feeding stuffs - Determination of phytase activity (ISO 30024:2009)
LST EN 13971-2013 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
LST EN 13971-2020 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
LST EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method (ISO 22160:2007)
LST EN 14670-2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
LST EN 14880-2006 Surface active agents - Determination of inorganic sulphate content in anionic surface active agents - Potentiometric lead selective electrode titration method
LST EN ISO 2870:2009 Surface active agents - Detergents - Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions (ISO 2870:2009)
LST EN ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter (ISO 8799:2009)
LST EN ISO 11816-2:2003 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorometric method for cheese (ISO 11816-2:2003)

Professional Standard - Hygiene , Anhydride activity

WS/T 351-2011 Reference procedure for the measurement of catalytical activity concentration of alkaline phosphatase(ALP)
WS/T 361-2011 Reference procedure for the measurement of catalytic activity concentration of lactate dehydrogenase
WS/T 353-2011 Reference procedure for the measurement of catalytic activity concentration of aspartate aminotransferase (No pyridoxal-5'-phosphoric acid)

AT-ON, Anhydride activity

OENORM EN 13971-2020 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

CH-SNV, Anhydride activity

SN EN 13971-2021 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

IT-UNI, Anhydride activity

UNI EN 13971-2021 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

CEN - European Committee for Standardization, Anhydride activity

PREN 1397-2019 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
EN ISO 2870:2009 Surface active agents - Detergents - Determination of anionicactive matter hydrolysable and non-hydrolysable under acid conditions
EN ISO 11816-2:2003 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorometric method for cheese

YU-JUS, Anhydride activity

JUS H.E8.051-1992 Surface active agents.Sulfated ethoxylated alcohols and alkylphenols.Determination of total active matter content
JUS H.E8.052-1992 Surface active agents.Detergents. Determination of anionic -active matter hydrolyzable and non-hydrolyzable under acid conditions
JUS H.P8.062-1987 Testing of pesticides. Dithiocarbamates. Determination ofactive ingradient content
JUS H.P8.063-1988 Testing of pesticides. Ziram technical. Determination of active ingradient content

National Health Commission of the People's Republic of China, Anhydride activity

WST 352:2011 Determination of catalytic activity concentration of alanine aminotransferase (without phosphate...(obsolete)
WST 361:2011 Reference method for determination of catalytic activity concentration of lactate dehydrogenase

CU-NC, Anhydride activity

NC 24-59-1986 Inorganic Chemical Products Sodium Hypochlorite Determination of Active Chlorine
NC 78-11-18-1984 Milk and Milk Derivatives Testing Method. Determination of Phosphatase Activity

Professional Standard - Agriculture, Anhydride activity

150药典四部-2020 1200 biological activity assay 1207 hyaluronidase assay
162药典四部-2015 1200 biological activity assay 1207 hyaluronidase assay
170药典四部-2015 1200 biological activity assay 1215 sodium antimony gluconate toxicity test
158药典四部-2020 1200 biological activity assay 1215 sodium antimony gluconate toxicity test
156药典四部-2020 1200 Bioactivity assay 1213 Protamine sulfate bioassay
168药典四部-2015 1200 Bioactivity assay 1213 Protamine sulfate bioassay
NY/T 801-2004 Method for determination of alkaline phosphatase activity in raw milk and its products
268药典化学药和生物制品卷-2010 Chapter IV Cardiovascular System Medications Section II Vasoactive Drugs Dopamine Hydrochloride

国家市场监督管理总局、中国国家标准化管理委员会, Anhydride activity

GB/T 38732-2020 Surface active agents—Test methods of technical alkane sulfonates
GB/T 38729-2020 Surface active agents—Test methods of technical sodium primary alkylsulphates
GB/T 38731-2020 Surface active agents—Test methods of technical sodium secondary alkylsulphates

Professional Standard - Petroleum, Anhydride activity

SY/T 5753-2016 The performance evaluation method of surfactants for oil well acidizing and water well stimulation
SY 5753-2016 Performance Evaluation Method of Surfactants for Oil Well Acidizing and Water Well Injection Enhancement

农业农村部, Anhydride activity

NY/T 3799-2020 Luminescent method for determination of alkaline phosphatase activity in raw milk and its products

Professional Standard - Petrochemical Industry, Anhydride activity

SH/T 1628.3-1996 Foaming method for determination of activity of vinyl acetate for industrial use

Society of Automotive Engineers (SAE), Anhydride activity

SAE AMS-R-81903-2001 Remover, Acid Activated, For Amine-Cured Epoxy Coating Systems

IL-SII, Anhydride activity

S.I.692 Pt.209-1972 TESTING OF CLEANING M FERIAL BASED ON SYNTHETIC SURFACE ACTIVE AGENTS. ETERMINATION OF PHOSPHATE

United States Navy, Anhydride activity

NAVY QPL-81903-QPD-2012 REMOVER, ACID ACTIVATED, FOR AMINE-CURED EPOXY COATING SYSTEMS

中华人民共和国国家卫生和计划生育委员会, Anhydride activity

WS/T 352-2011 Reference method for determination of catalytic activity concentration of alanine aminotransferase (without pyridoxal phosphate)
WST 353:2011 Determination of catalytic activity concentration of aspartate aminotransferase (without...

KE-KEBS, Anhydride activity

KS 05-31-1977 KENYA STANDARD DETERMINATION OF PHOSPHATASE ACTIVITY IN MILK AND MILK PRODUCTS

International Dairy Federation (IDF), Anhydride activity

IDF 155-2-2003 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorometric method for cheese
IDF 209-2007 Milk and milk-based drinks -- Determination of alkaline phosphatase activity -- Enzymatic photo-activated system (EPAS) method

Shandong Provincial Standard of the People's Republic of China, Anhydride activity

DB37/T 577-2005 Determination of Phytase Activity at 6-site of Feed Additives Spectrophotometric Method

Fujian Provincial Standard of the People's Republic of China, Anhydride activity

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

国家林业和草原局, Anhydride activity

LY/T 3013-2018 Determination of chloride and sulfate in wood activated carbon by ion chromatography

Hebei Provincial Standard of the People's Republic of China, Anhydride activity

DB13/T 1091-2009 Determination of acid protease activity in enzyme preparations for feed - spectrophotometric method

Jilin Provincial Standard of the People's Republic of China, Anhydride activity

DB22/T 1819-2013 Spectrophotometric method for the determination of acid protease activity in enzyme preparations for feed

卫生健康委员会, Anhydride activity

WS/T 617-2018 Aspartate aminotransferase catalytic activity concentration reference measurement procedure