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Database: 365,228(8 Aug 2026)

How to measure water activity

How to measure water activity, Total:269 items.

The international standard classification for "How to measure water activity" includes: food products in general , Surface active agents , Solid fuels , Cement. Gypsum. Lime. Mortar , Meat and meat products , Geology. Meteorology. Hydrology , Water quality , Coals , Medical Sciences and health care facilities in general , General methods of tests and analysis for food products , Fuels in general , Examination of water for chemical substances .

The Chinese standard classification for "How to measure water activity" includes: Basic standards and general methods , Charcoal , Basic standards and general methods for surface active agent , Coal for coking, chemical and building materials , Cement , Meat processing and products , Hydrogeological survey , Analysis methods for toxic substances in water , Sanitation in general , Forestry chemical raw material , Coal analysis methods , Basic standards and general methods for water treatment agent .


Professional Standard - Commodity Inspection

  • SN 0180-1992 Method for determination of water activity of food

Professional Standard - Agriculture

Group Standards of the People's Republic of China

  • T/HNNMIA 7-2023 Calcined dolomite analytical methods - Determination of activity - Hydrolysis method
  • T/LNEMA 004-2022 Determination of Boron in Drinking Water by Flow Injection Spectrophotometry
  • T/NAIA 061-2021 Determination of Cyanogen Chloride in Drinking Water by Flow Injection Spectrophotometry

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

  • GB/T 7702.3-1997 Standard test method for hardness of granular activated carbon from coal
  • GB/T 9695.12-1988 Meat and meat products--Method for the determination of the water activity
  • GB/T 7381-1993 Surface active agents. Determination of stability in hard water
  • GB/T 7702.4-1997 Standard test method for packing density of granular activated carbon from coal
  • GB/T 23490-2009 Determination of water activity in foods
  • GB/T 7378-1996 active agents-Determination of alkalinity-Titrimetric method
  • GB/T 7702.2-1997 Standard test method for particle size distribution of granular activated carbon from coal
  • GB/T 6370-2012 Surface active agents - Anionic surface active agents - Determination of solubility in water
  • GB/T 7702.1-1997 Determination of moisture in granular activated carbon from coal
  • GB/T 12496.4-1999 Test methods of wooden activated carbon-Determination of moisture content
  • GB/T 208-2014 Test method for determinging cement density
  • GB/T 7702.3-2008 Test method for granular activated carbon from coal - Determination of hardness
  • GB/T 208-1994 STANDARD test method for cement density
  • GB/T 12496.6-1999 Test methods of wooden activated carbon-Determination of abrasion resistance
  • GB/T 7378-2012 Surface active agents - Determination of alkalinity - Titrimetric method
  • GB/T 7702.5-1997 Standard test method for adsorption capacity of water in granular activated carbon from coal
  • GB/T 43876-2024 Test method for viscosity of cement paste
  • GB/T 7381-2010 Surface active agents—Determination of stability in hard water
  • GB/T 7494-1987 quality - Determination of anionic surfactants - Methylene blue spectrophotometric method
  • GB/T 6370-1996 Surface active agents-Anionic surface active agents-Determination of solubility in water
  • GB/T 12496.1-1999 Test methods of wooden activated carbon-Determination of apparent density
  • GB/T 13072-1991 Method for measuring the activity ratios of 226Ra to 228Ra in geological water samples
  • GB/T 12496.2-1999 Test methods of wooden activated carbon-Determination of particle size distribution

Zhejiang Provincial Standard of the People's Republic of China

Professional Standard - Coal

  • MT/T 206-1995 Determination method of hardness of coal-mine water
  • MT/T 204-2011 Determination of Alkalinity of Coal Mine Water
  • MT/T 206-2011 Determination of Hardness of Coal Mine Water
  • MT/T 1156-2011 Determination of the Particle-size Distribution of Powdered Activated Carbon by Wet Method
  • MT/T 204-1995 Determination method of alkalinity of coal-mine water

Professional Standard - Chemical Industry

  • HG/T 6273-2024 Determination method of viscosity of molecular sieve activated powder

Professional Standard - Urban Construction

  • CJ/T 3018.13-1993 Leachate - determination of potassium and sodium - flame photometric method
  • CJ/T 3018.2-1993 Leachate -- determination of colority -- multiple dilution method

中华人民共和国国家卫生和计划生育委员会

  • WS/T 349-2011 Reference procedure for the measurement of catalytic activity concentration of α-amylase
  • WS/T 222-2002 Guideline for the measurement of catalytic concentration of clinical enzymes

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

  • GB/T 34790-2017 Inspenction of grain and oils-Determination of water activity of grains- Instrumental method

Professional Standard - Nuclear Industry

  • EJ/T 788-1993 Measurement method of equivalent activity of high activity gamma radiation source

Professional Standard - Forestry

  • LY/T 1616-2004 Determination of electric conductivity of aqueous extract from activated carbon

国家煤炭工业局

  • MT/T 792-1998 Determination of the concentration of coal water mixture

Tianjin Provincial Standard of the People's Republic of China

Taiwan Provincial Standard of the People's Republic of China

  • CNS 5255-1987 Determination of Water Activity for Foodstuffs
  • CNS 5580-1980 Method of Test for Apparent Density of Activated Carbon

Professional Standard - Electricity

  • DL/T 809-2016 The determination method of water turbidity in power plant

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 39302-2020 Reclaimed water quality—Determination of anionic surfactants—Methylene blue spectrophotometric method

中华人民共和国环境保护部

  • GB 7494-1987 Water quality-Determination of anionic surfactants-Methylene blue spectrophotometric method

National Health Commission of the People's Republic of China

  • WST 349:2011 Reference method for determination of α-amylase catalytic activity concentration

Professional Standard - Geology

  • DZ/T 0064.3-1993 Groundwater quality test methods - temperature determination
  • DZ/T 0064.4-1993 Groundwater quality test methods - the determination of colour shade

FI-SFS

  • SFS 3041-1987 Determination of active chlorine in water. photometry
  • SFS 3004-1987 Determination of active chlorine in water. titration

CZ-CSN

  • CSN 66 6138-1985 Surface active agents. Methods for determination of turbidity temperature of water solutions
  • CSN 65 9022-1983 Reaktive dyestuffs. Method of concentration. and shade determinatlon.
  • CSN EN 196-6-1993 Meethods of testing cement; Determination of fineness
  • CSN EN 196-1-1993 Methods of testing cement. Determination of strength
  • CSN 68 1152-1994 Testing methods for surfactans and detergents. Surface active agents. Determination of free alkalinity or free acidity. itrimetric method
  • CSN 40 4014-1987 Activity measurement of radionuclides. Activity meters with well-type ionization chamber, their calibration and method of measurement
  • CSN 68 1151-1994 Testing methods for surfactans and detergents. Surface active agents. Determination of pH aqueous solutions. Potentio- etric method

International Organization for Standardization (ISO)

  • ISO 9698:2010 Water quality - Determination of tritium activity concentration - Liquid scintillation counting method
  • ISO 18787:2017 Foodstuffs - Determination of water activity
  • ISO 9698:1989 Water quality; determination of tritium activity concentration; liquid scintillation counting method
  • ISO/FDIS 13168:2023 Water quality — Simultaneous determination of tritium and carbon 14 activities — Test method using liquid scintillation counting
  • ISO 13168:2015/Amd 1:2016 Water quality — Simultaneous determination of tritium and carbon 14 activities — Test method using liquid scintillation counting
  • ISO/TS 17193:2011 Milk - Determination of the lactoperoxidase activity - Photometric method (Reference method)
  • ISO/DIS 13168 Water quality — Simultaneous determination of tritium and carbon 14 activities — Test method using liquid scintillation counting
  • ISO 679:1989 Methods of testing cements; determination of strength
  • ISO 9696:2007 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
  • ISO 13161:2011 Water quality - Measurement of polonium 210 activity concentration in water by alpha spectrometry
  • ISO 4315:1977 Surface active agents; Determination of alkalinity; Titrimetric method
  • ISO 10703:2021 Water quality - Gamma-ray emitting radionuclides - Test method using high resolution gamma-ray spectrometry
  • ISO 10703:2007 Water quality - Determination of the activity concentration of radionuclides - Method by high resolution gamma-ray spectrometry
  • ISO 7027-2:2019 Water quality — Determination of turbidity — Part 2: Semi-quantitative methods for the assessment of transparency of waters
  • ISO 679:2009 Cement - Test methods - Determination of strength

Korean Agency for Technology and Standards (KATS)

  • KS I ISO 9698:2008 Water quality-Determination of tritium activity concentration-Liquid scintillation counting method
  • KS K 0111-1986 Measuring method for degree of mercerization of cotton:Barium activity method
  • KS K 0111-2017 Measuring method for degree of mercerization of cotton:Barium activity method
  • KS K 0111-2022 Measuring method for degree of mercerization of cotton:Barium activity method
  • KS I 3219-2007 Water quality-Determination of surfactants
  • KS I ISO 9697-2023 Water quality — Gross beta activity — Test method using thick source
  • KS I ISO 9698:2019 Water quality — Determination of tritium activity concentration — Liquid scintillation counting method
  • KS I ISO 10703:2019 Water quality — Determination of the activity concentration of radionuclides — Method by high resolution gamma-ray spectrometry
  • KS C 7606-1977 Photometric measurement on standard mercury- arc lamps
  • KS L ISO 679-2006(2016) Methods of testing cements-Determination of strength
  • KS L ISO 679-2006(2021) Methods of testing cements-Determination of strength
  • KS M ISO 4315:2003 Surface active agents-Determination of alkalinity-Titrimetric method
  • KS M ISO 4315-2003(2018) Surface active agents-Determination of alkalinity-Titrimetric method
  • KS M ISO 4315-2023 Surface active agents-Determination of alkalinity-Titrimetric method
  • KS I ISO 9696:2007 Water quality-Measurement of gross alpha activity in non-saline water-Thick source method
  • KS I ISO 10703:2008 Water quality-Determination of the activity concentration of radionuclides-Method by high resolution gamma-ray spectrometry
  • KS L 5104-2012 Testing method for tensile strength of hydraulic cement mortars
  • KS K 0111-2011 Measuring method for degree of mercerization of cotton:Barium activity method
  • KS A 4513-2000 MEASURING METHODS OF B RADIOACTIVITY CONCENTRATION OF DRAIN WATER
  • KS M ISO 6839:2003 Anionic surface N agents-Determination of solubility in water
  • KS A 4513-1985 MEASURING METHODS OF B RADIOACTIVITY CONCENTRATION OF DRAIN WATER
  • KS L 5104-1986 Testing method for tensile strength of hydraulic cement mortars
  • KS L ISO 679:2006 Methods of testing cements-Determination of strength
  • KS L 5106-2019 Testing method for fineness of portland cement by air permeability apparatus
  • KS I ISO 9696-2007(2017) Water quality-Measurement of gross alpha activity in non-saline water-Thick source method

GSO

  • GSO ISO 13161:2013 Water quality -- Measurement of polonium 210 activity concentration in water by alpha spectrometry
  • BH GSO ISO 18787:2023 Foodstuffs — Determination of water activity
  • OS GSO ISO 13161:2013 Water quality -- Measurement of polonium 210 activity concentration in water by alpha spectrometry
  • BH GSO ISO 13161:2016 Water quality -- Measurement of polonium 210 activity concentration in water by alpha spectrometry
  • GSO ISO 18787:2023 Foodstuffs — Determination of water activity
  • GSO ISO 9698:2013 Water quality -- Determination of tritium activity concentration -- Liquid scintillation counting method
  • BH GSO ISO 9698:2016 Water quality -- Determination of tritium activity concentration -- Liquid scintillation counting method
  • GSO ISO 10703:2013 Water quality -- Determination of the activity concentration of radionuclides -- Method by high resolution gamma-ray spectrometry
  • OS GSO ISO 13162:2013 Water quality -- Determination of carbon 14 activity -- Liquid scintillation counting method
  • GSO ISO 13162:2013 Water quality -- Determination of carbon 14 activity -- Liquid scintillation counting method
  • BH GSO ISO 13162:2016 Water quality -- Determination of carbon 14 activity -- Liquid scintillation counting method
  • OS GSO ISO 11704:2013 Water quality -- Measurement of gross alpha and beta activity concentration in non-saline water -- Liquid scintillation counting method
  • GSO ISO 11704:2013 Water quality -- Measurement of gross alpha and beta activity concentration in non-saline water -- Liquid scintillation counting method
  • BH GSO ISO 4315:2016 Surface active agents -- Determination of alkalinity -- Titrimetric method
  • GSO ISO 4315:2015 Surface active agents -- Determination of alkalinity -- Titrimetric method
  • BH GSO ISO 7027-1:2022 Water quality — Determination of turbidity — Part 1: Quantitative methods

British Standards Institution (BSI)

  • BS ISO 18787:2017 Foodstuffs. Determination of water activity
  • BS 6829-1.6:1991 Analysis of surface active agents (raw materials). General methods. Method for determination of solubility in water
  • BS ISO 18787:2017(2021) Foodstuffs — Determination of water activity
  • BS DD ISO/TS 17193:2012 Milk. Determination of the lactoperoxidase activity. Photometric method (Reference method)
  • BS EN ISO 7027-1:2016 Water quality. Determination of turbidity. Quantitative methods
  • BS ISO 9698:2010 Water quality. Determination of tritium activity concentration. Liquid scintillation counting method
  • BS EN 196-1:2005 Methods of testing cement - Determination of strength
  • BS ISO 13168:2023 Water quality. Simultaneous determination of tritium and carbon 14 activities. Test method using liquid scintillation counting
  • BS ISO 13168:2015(2018) Water quality — Simultaneous determination of tritium and carbon 14 activities — Test method using liquid scintillation counting
  • BS EN ISO 7027-2:2019 Water quality. Determination of turbidity. Semi-quantitative methods for the assessment of transparency of waters
  • BS EN 13267:2001 Surface active agents - Determination of water content - Karl Fischer method
  • BS EN 196-1:2016 Methods of testing cement. Determination of strength
  • BS EN 196-6:1992 Methods of testing cement - Determination of fineness
  • BS ISO 9696:2007 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
  • BS ISO 9697:2008 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
  • BS EN 196-6:2018 Methods of testing cement. Determination of fineness
  • BS ISO 9697:2015 Water quality. Gross beta activity in non-saline water. Test method using thick source
  • BS 6829-1.3:1988 Analysis of surface active agents (raw materials). General methods. Method for determination of alkalinity
  • BS EN ISO 10703:2021 Water quality. Gamma-ray emitting radionuclides. Test method using high resolution gamma-ray spectrometry
  • 22/30429616 DC BS EN ISO 13168. Water quality. Simultaneous determination of tritium and carbon 14 activities. Test method using liquid scintillation counting
  • BS EN ISO 10703:2015 Water quality. Determination of the activity concentration of radionuclides. Method by high resolution gamma-ray spectrometry
  • 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 13161:2015 Water quality. Measurement of polonium 210 activity concentration in water by alpha spectrometry
  • BS EN 196-6:2010 Methods of testing cement - Determination of fineness
  • BS EN 951:1999 Door leaves - Method for measurement of height, width, thickness and squareness

Danish Standards Foundation

  • DS/ISO 13161:2011 Water quality - Measurement of polonium 210 activity concentration in water by alpha spectrometry
  • DS/ISO 9698:2011 Water quality - Determination of tritium activity concentration - Liquid scintillation counting method
  • DS/ISO 13162:2012 Water quality - Determination of carbon 14 activity - Liquid scintillation counting method
  • DS/EN 13267:2001 Surface active agents - Determination of water content - Karl Fischer metod

SCC

  • DANSK DS/ISO 18787:2017 Foodstuffs – Determination of water activity
  • BS EN ISO 9698:2015 Water quality. Determination of tritium activity concentration. Liquid scintillation counting method
  • BS 6068-3.2:1993 Water quality. Radiological methods-Measurement of gross beta activity in non-saline water
  • 09/30196542 DC BS ISO 9698. Water quality. Determination of tritium activity concentration. Liquid scintillation counting method
  • NS-EN ISO 9698:2015 Water quality — Determination of tritium activity concentration — Liquid scintillation counting method (ISO 9698:2010)
  • 12/30228765 DC BS ISO 13164-3. Water quality. Measurement of the activity concentration of radon-222. Part 3. Emanometric method
  • BS 6829-1.5:1990 Analysis of surface active agents (raw materials). General methods-Methods for determination of water content
  • BS EN ISO 11665-5:2015 Measurement of radioactivity in the environment. Air:radon-222-Continuous measurement method of the activity concentration
  • 10/30201937 DC BS ISO 13161. Water quality. Measurement of polonium 210 activity concentration in water by alpha spectrometry
  • 12/30228762 DC BS ISO 13164-2. Water quality. Measurement of the activity concentration of radon-222. Part 2. Gamma spectrometry method
  • 06/30081673 DC ISO 9696. Water quality. Measurement of gross alpha activity in non-saline water. Thick source method
  • BS 6829-1-1.4:1989 Analysis of surface active agents (raw materials). General methods-Method for determination of the pH of an aqueous solution
  • 10/30201940 DC BS ISO 13162. Water quality. Determination of carbon 14 activity. Liquid scintillation counting method
  • BS EN 196-1:1995 Methods of testing cement-Determination of strength
  • DANSK DS/EN ISO 7027-1:2016 Water quality – Determination of turbidity – Part 1: Quantitative methods
  • AENOR UNE-EN 196-6:2010 Cement testing methods. Part 6: Determination of fineness.

Association Francaise de Normalisation

German Institute for Standardization

  • DIN EN ISO 9698 E:2015-03 Method for determination of sulfur activity concentration in water quality: liquid scintillation counting method (draft)
  • DIN EN ISO 9698:2015-12 Water quality - Determination of tritium activity concentration - Liquid scintillation counting method (ISO 9698:2010); German version EN ISO 9698:2015 / Note: To be replaced by DIN EN ISO 9698 (2017-04).
  • DIN EN ISO 9696 E:2016-01 Test method for total alpha activity of water quality using concentrated source (draft)
  • DIN EN ISO 9696:2018 Water quality - Gross alpha activity - Test method using thick source (ISO 9696:2017)
  • DIN EN ISO 9697:2016 Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015); German and English version FprEN ISO 9697:2015
  • DIN 10337:1993 Determination of alkaline phosphatase activity in milk; enzymatic method
  • DIN EN ISO 13161:2016-01 Water quality - Measurement of polonium 210 activity concentration in water by alpha spectrometry (ISO 13161:2011); German version EN ISO 13161:2015 / Note: To be replaced by DIN EN ISO 13161 (2019-11).
  • DIN EN ISO 9698:2015 Water quality - Determination of tritium activity concentration - Liquid scintillation counting method (ISO 9698:2010); German version EN ISO 9698:2015

RU-GOST R

  • GOST 25094-2015 Active mineral additions for cements. Method of activity determination
  • GOST R 51211-1998 Drinking water. Methods for determination of surfactants
  • GOST 31857-2012 Drinking water. Methods for determination of surfactants content
  • GOST R 53974-2010 Enzyme preparations for food industry. Method for determination of proteolitic activity
  • GOST 29263-1991 Surface active agents. Preparation of water with known calcium hardness
  • GOST 29190-1991 Surface active agent. Determination of apparent density of pastes on filling
  • GOST 17219-1971 Active carbons. Method for determination of summary pore volume by the moisture capacity test
  • GOST 10114-1980 Bisquits. Method for determination of swelling in water
  • GOST 31954-2012 Drinking water. Methods of hardness determination
  • GOST R 52407-2005 Drinking water. Methods of hardness determination
  • GOST 33618-2015 Activated carbon. Method for determination of iodine number
  • GOST 32509-2013 Surface-active agents. Method for determination of biodegradability rate in aquatic environment
  • GOST R 51434-1999 Fruit and vegetable juices. Method for determination of titratable acidity
  • GOST 18165-1989 Drinking water. Method for determination of aluminium mass concentration
  • GOST 33577-2015 Activated carbon. Standard test method for determination of water-soluble substances content
  • GOST R 55826-2013 Artificial leather and films. Methods for determination of flexibility, hardness and elasticity

VN-TCVN

  • TCVN 6830-2016 Water quality - Determination of tritium activity concentration - Liquid scintillation counting method
  • TCVN 4557-1988 Waste water.Method for the determination of the temperature
  • TCVN 6016-2011 Cement.Test methods.Determination of strength
  • TCVN 4030-2003 Cement.Test method for determination of fineness
  • TCVN 6219-2011 Water quality.Measurement of gross beta activity in non-saline water.Thick source method
  • TCVN 6053-2011 Water quality.Measurement of gross alpha activity in non-saline water.Thick source method
  • TCVN 7175-2011 Water quality.Determination of the activity concentration of radionuclides.Method by high resolution gamma-ray spectrometry
  • TCVN 5492-1991 Shampoo for hairs and bath.Method for determination surface of active agent content

BELST

IN-BIS

  • IS 1689-1973 Method for determination of barium activity in cotton textile materials

CEN - European Committee for Standardization

  • EN ISO 9698:2019 Water quality - Tritium - Test method using liquid scintillation counting
  • EN ISO 11704:2018 Water quality - Gross alpha and gross beta activity - Test method using liquid scintillation counting
  • EN ISO 7027-2:2019 Water quality - Determination of turbidity - Part 2: Semiquantitative methods for the assessment of transparency of waters

PL-PKN

  • PN C97555-10-1985 Activated carbane Method of test Determination of pH value of aqueous extract
  • PN C97555-11-1988 Activated carbon Method of test Determination of matter soluble in water
  • PN B04309-1973 Cement Methods of test etermination of whltnees gree

Standard Association of Australia (SAA)

  • AS 4155.13:1993 Test methods for general access floors - Test for pedestal free movement by horizontal load
  • AS 4155.14:1993 Test methods for general access floors - Test for pedestal strength by horizontal moment
  • AS 2449:1981 Waters - Determination of alkalinity - Acidimetric titration method

BE-NBN

KR-KS

  • KS I ISO 9698-2019 Water quality — Determination of tritium activity concentration — Liquid scintillation counting method
  • KS I ISO 10703-2019 Water quality — Determination of the activity concentration of radionuclides — Method by high resolution gamma-ray spectrometry
  • KS L ISO 679-2022 Cement — Test methods — Determination of strength
  • KS M ISO 4315-2003(2023) Surface active agents-Determination of alkalinity-Titrimetric method

Spanish Association for Standardization (UNE)

  • UNE 80-122-1991 Methods of testing cement. Determination of fineness
  • UNE 80122:1991 METHODS OF TESTING CEMENT. DETERMINATION OF FINENESS.
  • UNE 80-101-1991 Test methods for cement. Determination of mechanical strength of cement
  • UNE-EN ISO 9697:2017 Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015)
  • UNE 80-101-1989 Test methods for cement. Determination of mechanical strength of cement
  • UNE 80-108-1986 Test methods for cement. Determination of cement submergence accuracy by wet sieving method
  • UNE 55531:1979 SURFACE ACTIVE AGENTS. DETERMINATION OF ALKALINITY. TITRIMETRIC METHOD
  • UNE 80-116-1986 Test methods for cement. Determination of strength of quick-drying natural cement
  • UNE 55805:1985 SURFACE ACTIVE AGENTS. ANIONIC SURFACE ACTIVE AGENTS. DETERMINATION OF SOLUBILITY IN WATER

AT-ON

  • ONORM EN 196-6-1992 Methods of testing cement - Determination of fineness
  • ONORM DIN 10337-1-1993 Determination of Phosphatase activity of milk - Reference method
  • ONORM ISO 697:1986 Surface active agents; washing powders; determination ofapparent density; method by measuring the mass ofa given volume

European Committee for Standardization (CEN)

  • EN 196-6:1989 Methods of Testing Cement; Determination of Fineness
  • EN ISO 9698:2015 Water quality - Determination of tritium activity concentration - Liquid scintillation counting method
  • EN ISO 11704:2015 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method (ISO 11704:2010)

RO-ASRO

SE-SIS

Australian/New Zealand Standard (AU-AS/NZS)

GOSTR

  • GOST 4151-1972 Drinking water. Method for determination of total hardness
  • GOST R 59069-2020 Drinking water. Gamma-spectrometric method for determination of specific activity of radionuclides radon-222
  • GOST 34430-2018 Enzyme preparations for food industry. Method for the determination of proteolitic activity

American Society for Testing and Materials (ASTM)

Lithuanian Standards Office

  • LST ISO 9698:2011 Water quality - Determination of tritium activity concentration - Liquid scintillation counting method (ISO 9698:2010, identical)

YU-JUS

  • JUS B.C8.043-1981 Lime for metallurgical purposes. Testing methods. Determination of reaction of lime by titration method of course grain
  • JUS H.Z1.149-1987 Testing of industrial vvaters. Determination of anionic surfactants. Spectrophotometric method

Japanese Industrial Standards Committee (JISC)

  • JIS K 0555:1995 Testing methods for determination of silica in highly purified water
  • JIS K 0558:2002 Testing method for determination of boron in highly purified water

GOST

  • GOST R 70565-2022 A masonry building enclosures. Method for determination of a corrosion activity of moisture
  • GOST 4386-1981 Drinking water. Methods for determining the mass concentration of fluorine

American National Standards Institute (ANSI)

  • ASTM C204-24 Standard Test Methods for Fineness of Hydraulic Cement by Air-Permeability Apparatus

TR-TSE

  • TS 3625-1981 METHODS FOR THE ANALYSIS OF WATER DETERMINATION OF RELATIVE DENSITY

NL-NEN

  • NEN 6674-1981 Waste water - Photometric determination of anionactive detergents
  • NEN 3235 7.5-1978 Test methods for waste water. Photometric determination of lead content

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

  • ASHRAE 95-1987 Methods of Testing to Determine the Thermal Performance of Solar Domestic Water Heating Systems

AR-IRAM

  • IRAM 25 704-1963 Textile printing and dyeing auxiliaries. Enzyme activity determination method in starch hydrolysis