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)

free t3

free t3, Total:301 items.

The international standard classification for "free t3" includes: Surface active agents , Rubber , food products in general , Tea , Biology. Botany. Zoology , Thermosetting materials , Animal feeding stuffs , Fertilizers , Products of the chemical industry in general , Meat and meat products , Plastics in general , Cosmetics. Toiletries , Latex and raw rubber , Laboratory medicine , Non-metalliferous minerals , Radiographic films , Raw materials for rubber and plastics .

The Chinese standard classification for "free t3" includes: Lubricating grease , Basic standards and general methods for surface active agent , Rubber products in general , Food sanitation , Tea products , Basic standards and general methods , Basic standards and general methods , Basic standards and general methods for synthetic resin and plastic , Livestock and poultry feed and additive , Basic standards and general methods on chemical fertilizers , Tooth paste, soap and detergent , Basic standards and general methods for dye , Meat processing and products , Nonmetal material testing machine , Forestry chemical raw material , Medical laboratory equipment , Coal analysis methods , Other non-metal mine product , Photosensitive material , Synthetic resin and plastic .


Professional Standard - Petrochemical Industry

  • SH/T 0329-1992 Determination method for free alkali and free organic acid of lubricating grease

Taiwan Provincial Standard of the People's Republic of China

  • CNS 7392-1981 Method for analysis of radioisotopes - Free acid
  • CNS 2886-1969 Method of Test for Free Moisture Content in Fine Ceramic and Porcelain Clay
  • CNS 13183-1993 Method of Test for Undissolved Water in Aviation Turbine Fuels
  • CNS 11296.10-1985 Quantities and Units of Nuclear Reactions and Ionizing Radiations
  • CNS 9538-1999 Method of test for free formaldehyde in cometics
  • CNS 12995-1992 Method of Determination for Insoluble (free) Carbon Content of Hardmetals (Gravimetric Method)
  • CNS 11211-1994 Method of Test for Freeness of Pulp (Canadian Standard Freeness Method)
  • CNS 11296-10-1985 Quantities and Units of Nuclear Reactions and Ionizing Radiations

Group Standards of the People's Republic of China

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

  • GB/T 17334-1998 Determination of gossypal in food
  • GB/T 6365-1986 Surface active agents; Determination of free alkalinity or free acidity; Titrimetric method
  • GB/T 23737-2009 Determination of free canavanine in feeds - Ion exchange chromatography
  • GB/T 8314-2002 Tea - Determination of free amino acids content
  • GB 7456-1987 Determination of total free alkali content in soaps
  • GB/T 2382-2007 Sulphur dyes—Determination of content of free sulphur
  • GB/T 5473-1985 Phenol-formaldehyde mouldings; Detection of free ammonia
  • GB/T 15253-1994 Rubber--Determination of tree Sulpher--Potentiometic titration method
  • GB/T 35106-2017 Determination of unbound humic acid content from mineral source
  • GB/T 15251-2008 Rubber - Determination of free sulfur
  • GB/T 5473-2016 Plastics-Phenol formaldehyde mouldings-Detection of free ammonia
  • GB/T 8314-1987 Tea--Determination of free amino acids content
  • GB/T 5009.148-2003 Determination of gossypol in vegetable foods
  • GB/T 9695.1-1988 Meat and meat products--Method for determination of free fat content
  • GB/T 13086-1991 Method for determination of free gossypol in feeds
  • GB/T 6365-2006 Surface active agents - Determination of free alkalinity or free acidity - Titrimetric method
  • GB 8575-1988 Determination of free water for compound fertilizers-Vacuum desiccation method
  • GB/T 9695.1-2008 Meat and meat products - Determination of free fat content
  • GB/T 39689-2020 Surface active agents—Determination of free formaldehyde
  • GB/T 15251-1994 Rubber--Determination of free sulpher--Copper spiral method
  • GB 13086-1991 Method for determination of free gossypol in feeds
  • GB 7455-1987 Determination of free caustic alkali content in soaps
  • GB/T 8314-2013 Tea - Determination of Free Amino Acids Content
  • GB 6365-1986 Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • GB/T 30987-2020 Determination of free amino acids in plant
  • GB/T 2382-2015 Sulphur dyes―Determination of content of free sulphur
  • GB/T 30987-2014 Determination of free amino acids in plants
  • GB/T 13086-2020 Method for determination of free gossypol in feeds

Professional Standard - Nuclear Industry

  • EJ/T 857-1994 Free thyroxine, free triiodothyronine radioimmunoassay kit

Professional Standard - Light Industry

Shandong Provincial Standard of the People's Republic of China

Professional Standard - Electron

  • SJ/T 11794-2022 Test method for unbonded lithium of cathode materials used in lithium ion battery

Professional Standard - Agriculture

Professional Standard - Medicine

未注明发布机构

Professional Standard - Energy and Power Planning

Professional Standard - Building Materials

  • JC/T 2061-2011 Test method for free acid content of activated bentonite

Anhui Provincial Standard of the People's Republic of China

  • DB34/T 3370-2019 Determination of Free Chlorine and Bromine on the Surface of Printed Circuit Boards by Ion Chromatography

Professional Standard - Water Conservancy

  • SL 80-1994 Determination of free carbon dioxide (Base titration method)
  • SL 237-067-1999 Geotechnical Test Procedure - Free Iron Oxide Test

Professional Standard - Chemical Industry

Hebei Provincial Standard of the People's Republic of China

  • DB13/T 2763-2018 Rapid Determination Method of Free Acid in Fertilizer
  • DB13/ 4-1991 Determination method of free gossypol in cottonseed cake soy sauce

Professional Standard - Ferrous Metallurgy

  • YB/T 4328-2012 Determination Method for Free Calcium Oxide Content in Steel Slag

Standard Association of Australia (SAA)

  • AS T3:1949 Specification for zinc phosphate cement for dental purposes
  • AS P1.206M:1961 Methods of test for pulp and paper - Freeness of pulp

Czech Standards Institute (UNMZ)

South African Bureau of Standard

U.S. Military Regulations and Norms

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

  • TCVN 2704-1978 Greases.Method for the determination of free alkalic and free organic acids

Gosstandart of Russia

  • GOST 6707-1976 Lubricating greases. Method for determination of free alkalies and free organic acids
  • GOST 20330-1991 Coal. Determination of the crucible swelling number
  • GOST 27749.2-1988 Carbamid. Method of free ammonia content determination
  • GOST 12524-1978 Paper. Method of determination of free chlore
  • GOST 14243-1978 Paintwork materials. Methods for formation of free films
  • GOST 11235-2017 Phenolformaldehyde resins. Methods for determination of free phenol
  • GOST R 51468-1999 Caseins. Method for determination of free acidity
  • GOST 25742.2-1983 Methanol poison, technical. Method for free acids determination
  • GOST R 54743-2011 Juice products. Determination of free amino acids by ion-exchange chromatography method
  • GOST 29188.5-1991 Cosmetics. Methods for determination of free and tied alkali
  • GOST ISO 1271-2014 Essential oils. Determination of carbonyl value. Free hydroxylamine method
  • GOST 32799-2014 Juice products. Determination of free amino acids by ion-exchange chromatography
  • GOST ISO 9289-2016 Oilseed residues. Determination of free residual hexane
  • GOST 16704-2017 Phenol-formaldehyde resins. Methods for determination of free formaldehyde content
  • GOST 32169-2013 Honey. Method determination of pH and free acidity
  • GOST 11235-1975 Phenolformaldehyde resins. Methods for determination of free phenol
  • GOST 25599.2-1983 Sintered hardmetals. Methods for the determination of free carbon
  • GOST R 50729-1995 Textiles. Limit permissible concentration of free formaldehyde
  • GOST R 53877-2010 Honey. Method determination of pH and free acidity
  • GOST 16704-1971 Phenolformaldehyde resins. Methods for determination of free formaldehyde content

Korean Agency for Technology and Standards (KATS)

  • KS M ISO 4314-2003(2018) Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • KS M ISO 4314-2023 Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • KS M ISO 4314:2003 Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • KS M ISO 4314-2003(2023) Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • KS M ISO 7269:2010 Rubber-Determination of free sulfur
  • KS M ISO 7269:2015 Rubber-Determination of free sulfur
  • KS M 2038-2007(2022) Testing method for free acid, free alkali and insoluble carbonate of lubricating grease
  • KS M 2038-1985 Testing method for free acid, free alkali and insoluble carbonate of lubricating grease
  • KS M 2038-2007 Testing method for free acid, free alkali and insoluble carbonate of lubricating grease
  • KS M 2038-2022 Testing method for free acid, free alkali and insoluble carbonate of lubricating grease
  • KS M 2038-2007(2017) Testing method for free acid, free alkali and insoluble carbonate of lubricating grease
  • KS M ISO 7269-2015(2021) Rubber-Determination of free sulfur
  • KS M ISO 7269-2021 Rubber-Determination of free sulfur
  • KS L ISO 21068-2-2012(2017) Chemical analysis of silicon-carbide-containing raw materials and refractory products-Part 2:Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and
  • KS L ISO 21068-2-2022 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon
  • KS M ISO 684-2003(2018) Analysis of soaps-Determination of total free alkari
  • KS M ISO 684-2023 Analysis of soaps-Determination of total free alkari
  • KS M 3711-2018 Determination of free ammonia in phenol-formaldehyde molding
  • KS L ISO 21068-2-2012(2022) Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and
  • KS H ISO 1271:2011 Essential oils-Determination of carbonyl value-Free hydroxylamine method
  • KS H ISO 1271:2014 Essential oils — Determination of carbonyl value — Free hydroxylamine method
  • KS H ISO 1271-2019 Essential oils — Determination of carbonyl value — Free hydroxylamine method
  • KS L 4002-2007 Testing method for free moisture in ceramic whiteware clays
  • KS M ISO 684:2003 Analysis of soaps-Determination of total free alkari
  • KS H ISO 1271-2014(2024) Essential oils — Determination of carbonyl value — Free hydroxylamine method
  • KS H ISO 1271-2014(2019) Essential oils — Determination of carbonyl value — Free hydroxylamine method
  • KS M 3711-2023 Determination of free ammonia in phenol-formaldehyde molding
  • KS H ISO 5547-2021 Caseins — Determination of free acidity(Reference method)
  • KS H ISO 5547:2021 Caseins — Determination of free acidity(Reference method)
  • KS M 3711-2018(2023) Determination of free ammonia in phenol-formaldehyde molding
  • KS H ISO 5547-2006(2016) Caseins-Determination of free acidity(Reference method)
  • KS H ISO 5547:2006 Caseins-Determination of free acidity(Reference method)
  • KS M ISO 172:2002 Plastics-Phenol-formaldehyde mouldings-Determination of free ammonia
  • KS M 7024-1995 Testing method for beating degree and freeness of pulp
  • KS M ISO 684-2003(2023) Analysis of soaps-Determination of total free alkari

Spanish Association for Standardization (UNE)

  • UNE 55540:1979 SURFACE ACTIVE AGENTS. DETERMINATION OF FREEE ALKALINITY OR FREE ACIDITY. TITRIMETRIC METHOD
  • UNE 49401-10:1958 TECHNICAL CHARACTERISTICS OF PACKING PAPER AND TEST METHODS. RESEARCH OF FREE CHLORINE, CHLORIDES, FREE ACIDS, SULPHUR AND SULPHITES
  • UNE-EN ISO 21068-2:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008) (Endor...
  • UNE 53 088 Determination of free ammonia in formaldehyde-phenol molds
  • UNE 84162:1992 ESSENTIAL OILS. DETERMINATION OF CARBONYL VALUE. FREE HYDROXYLAMINE METHOD.
  • UNE 53 091 Determination of free phenol in molds made from formaldehyde and phenol
  • AENOR UNE 49401-10:1958 Technical characteristics of packaging paper and test methods. Investigation of free chlorine, chlorides, free acids, sulfur, sulfides and sulfites.
  • AENOR UNE 55026:1970 Oils and fats. Determination of total free alkali in soaps.

The Directorate General of Specifications and Metrology (DGSM)

Ente Nazionale Italiano di Unificazione

  • UNI 11139:2004 Cultural heritage - Historical mortar - Determination of freee lime and free magnesia
  • EC 1-2009 UNI 11139:2004 Cultural heritage - Historical mortar - Determination of freee lime and free magnesia
  • UNI ISO 7269:2007 Rubber - Determination of free sulfur
  • UNI 24004:1993 Surface active agents and detergents. Determination of free alcalinity or free acidity. Titrimetric method.
  • UNI EN ISO 9289:1997 Oliseed residues. Determination of free residue hexane.
  • UNI 5638-1965 Plastic material testing. Plasticizer free determination
  • UNI EN ISO 11402:2000 Plastics - Condensation resins - Determination of free formaldehyde

International Organization for Standardization (ISO)

  • ISO 4314:1977 Surface active agents; Determination of free alkalinity or free acidity; Titrimetric method
  • ISO 7269:1995 Rubber - Determination of free sulfur
  • ISO 3793:1976 Essential oils; Estimation of primary and secondary free alcohols content by acetylation in pyridine
  • ISO 7269:1995/Cor 1:2002 Rubber - Determination of free sulfur
  • ISO 1271:1983 Essential oils; Determination of carbonyl value; Free hydroxylamine method
  • ISO 1271:1972 Title missing - Legacy paper document
  • ISO 684:1974 Analysis of soaps; Determination of total free alkali
  • ISO 5547:1978 Caseins; Determination of free acidity (Reference method)
  • ISO 5547:2008|IDF 91:2008 Caseins — Determination of free acidity (Reference method)
  • ISO 172:1978 Plastics; Phenol-formaldehyde mouldings; Detection of free ammonia
  • ISO 9289:1991 Oilseed residues; determination of free residual hexane
  • ISO 5547:2008 Caseins - Determination of free acidity (Reference method)
  • ISO/DIS 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free
  • ISO 11402:1993 Plastics; condensation resins; determination of free formaldehyde
  • ISO 1444 Meat and meat products - Determination of free fat content
  • ISO 1444:1996 Meat and meat products - Determination of free fat content
  • ISO 5547:2008 | IDF 91:2008 Caseins — Determination of free acidity (Reference method)

Belgian Standards Institute

  • NBN T 63-131-1980 Surface active agents - DEermination of free alkalinity or free acidity - Titrimetric method
  • NBN T 04-215-1983 Phthalic anhydride for industrial use - Determination of free acidity-Potentiometric method

Association Francaise de Normalisation

GCC Standardization Organization

  • GSO ISO 4314:2015 Surface active agents -- Determination of free alkalinity or free acidity -- Titrimetric method
  • GSO ISO 7269:2015 Rubber -- Determination of free sulfur
  • GSO 1135:2002 DETERMINATION OF FREE SULPHUR IN FERTILIZERS
  • GSO ISO 21068-2:2015 Chemical analysis of silicon-carbide-containing raw materials and refractory products -- Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon
  • GSO ISO 6866:2007 Animal feeding – Determination of free and total gossypol
  • GSO ISO 684:1994 Analysis of soaps -- Determination of total free alkali
  • GSO ISO 9289:2015 Oilseed residues -- Determination of free residual hexane
  • GSO ISO 15373:2013 Plastics - Polymer dispersions - Determination of free formaldehyde

United States Navy

National Standardisation Body (ASRO)

Universal Oil Products Company (UOP)

Japanese Industrial Standards Committee (JISC)

Canadian General Standards Board (CGSB)

GM Europe

American Society for Testing and Materials (ASTM)

  • ASTM UOP286-13 Free Sulfur in Distillates by Mercury Number
  • ASTM RR-D19-1193 2015 D7237-Test Method for Free Cyanide and Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection
  • ASTM UOP434-83 Free Water and Volatile Hydrocarbon Content of Molecular Sieves
  • ASTM D7237-18 Standard Test Method for Free Cyanide and Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection
  • ASTM D7237-15 Standard Test Method for Free Cyanide and Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection

Yugoslav Association for Standardization

  • JUS H.B8.724-1981 Copper sulphate. Determination of free water
  • JUS H.E8.022-1978 Analysis ofsoaps. Determimtion offree alkali
  • JUS ISO 1271:1992 Essential oils. Determination of carbonyl value. Free hydroxylamine method
  • JUS H.G8.091-1983 Reagents. Calcium sulphate dihydrate. Determination of free acid (as H^SO*) orfreealkali /as Ca(OH)2/ contents. Volumetric method

British Standards Institution (BSI)

  • BS 6829-1.2:1988 Analysis of surface active agents (raw materials). General methods. Method for determination of free alkalinity or free acidity
  • BS EN ISO 9289:1991 Oilseed residues - Determination of free residual hexane
  • BS EN ISO 9289:1995 Oilseed residues. Determination of free residual hexane
  • BS EN ISO 11402:1998 Plastics. Condensation resins. Determination of free formaldehyde
  • BS EN ISO 172:1998 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia
  • BS ISO 1271:1983(2001) Essential Oils — Determination of carbonyl value — Free hydroxylamine method
  • BS EN ISO 172:1980 Plastics. Phenol-formaldehyde mouldings. Detection of free ammonia
  • BS EN ISO 21068-2:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon-Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and sur...
  • BS 6829 Sec.1.2:1988 Analysis of surface active agents (raw materials). General methods. Method for determination of free alkalinity or free acidity
  • BS EN ISO 9289:1995(2000) Oilseed residues — Determination of free residual hexane
  • BS ISO 1271:1983 Essential oils - Determination of carbonyl value - Free hydroxylamine method
  • PD CEN/TS 16835-3:2015 Molecular in vitro diagnostic e xaminations - Specifications for pre-examination processes for venous whole blood - Part 3: Isolated circulating cell free DNA from plasma
  • BS ISO 5547:2008 Caseins - Determination of free acidity (Reference method)

German Institute for Standardization

  • DIN 10756:2009 Analysis of honey - Determination of free acidity
  • DIN 10756:2021 Analysis of honey - Determination of free acidity
  • DIN 10756:2021-03 Analysis of honey - Determination of free acidity
  • DIN 10756:2009-08 Analysis of honey - Determination of free acidity
  • DIN 10756:1995-04 Analysis of honey - Determination of free acidity
  • DIN 10450:1983 Determination of free acidity of caseins; reference method
  • DIN 16746:1986 Determination of free formaldehyde in thermosetting resins
  • DIN 10756:2020-08 Draft Document - Analysis of honey - Determination of free acidity
  • DIN EN ISO 21068-2:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, fr...
  • DIN EN ISO 21068-2:2008-12 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008); Germa...
  • DIN 52802:1979-07 Analysis of soaps; determination of the content of free caustic alkali
  • DIN 52802:1979 Analysis of soaps; determination of the content of free caustic alkali
  • DIN 10450:1983-03 Determination of free acidity of caseins; reference method

Asociación Española de Normalización (AENOR)

Society of Automotive Engineers (SAE)

Swedish Institute for Standards

  • SIS 16 41 04-1966 Phenolic mouldings. Detection of free ammonia
  • SIS 16 41 02-1963 Phenolic mouldings. Determination of free phenols
  • SS-EN ISO 21068-2:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008)

Netherlands Institute for Standardization

  • NEN 6644-1983 Water - Calculation of free ammoniac content
  • NEN 3443-1968 Meat and meat products. Determination of free fat content

International Electrotechnical Commission (IEC)

  • IEC 60567:1977 Guide for the sampling of gases and of oil from oil-filled electrical equipment and for the analysis of free and

Quality and Standards Authority of Ethiopia (QSAE)

  • ES 512-2000 Determination of free fatty acids in soap
  • ES 511-2000 Determination of free caustic alkali in soap bars and filled soaps

Bureau of Indian Standards

  • IS 16153-2017 Analysis of Soaps - Determination of Total Free Alkali
  • IS 11964-2012 Caseins —— Determination of Free Acidity (Reference Method)

Kingdom of Bahrain Testing and Metrology Directorate

  • BH GSO ISO 21068-2:2017 Chemical analysis of silicon-carbide-containing raw materials and refractory products -- Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon
  • BH GSO ISO 9289:2016 Oilseed residues -- Determination of free residual hexane

Türk Standardları Enstitüsü

  • TS 2816-1977 T3 - Gables (Low Frequency Cables)
  • TS 462-1979 PLASTICS — PMEHOL — FORMALDENYDE MOULDING DETECTION OF FREE AMHONIA
  • TS 2746-1977 Clays Used For Ceramicware Determination Of Free Moisture Content

Association of German Mechanical Engineers

Military Standards (MIL-STD)

Danish Standards Foundation

  • DANSK DS/EN ISO 21068-2:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon
  • DS/EN ISO 21068-2:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon
  • DS/EN ISO 172:1999 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia
  • DS/EN ISO 9289:1996 Oilseed residues - Determination of free residual hexane

American Water Works Association (AWWA)

  • AWWA PATH50777 Inactivation of Legionella pneumophila by Free Chlorine
  • AWWA DSS71306 Determining Free Chlorine in the Presence of Manganese and Chloramines
  • AWWA JAW10143 Journal AWWA — Free Chlorine Versus Ammonia-Chlorine: Disinfection, Trihalomethane Formation, and Zooplankton Removal

Lithuanian Standards Office

  • LST ISO 684:1997 Analysis of soaps. Determination of total free alkali
  • LST EN ISO 21068-2:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008)

Clinical and Laboratory Standards Institute

Portuguese Institute of Quality

  • NP 466-1986 Detergent soap. Measurement of total free alkalinity
  • NP 1522-1986 detergent. Measurement of free pH, volumetric method
  • NP 1523-1986 detergent. Measurement of free pH, volumetric method

Standards Norway

  • NS-EN ISO 21068-2:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008)

European Committee for Standardization (CEN)

  • FprEN ISO 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free

Austrian Standards

American National Standards Institute (ANSI)

Finnish Standards Institute

American Association of Textile Chemists and Colorists