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Database: 365,228(8 Aug 2026)

Three ways to measure water activity

Three ways to measure water activity, Total:124 items.

The international standard classification for "Three ways to measure water activity" includes: Plant growing , food products in general , Geology. Meteorology. Hydrology , Boilers and heat exchangers , Solid fuels , Coals , Chemical analysis , General methods of tests and analysis for food products .

The Chinese standard classification for "Three ways to measure water activity" includes: Basic standards and general methods , Inorganic chemicals in general , Cereal crop and product , Hydrogeological survey , Boiler and its auxiliary equipment , Analysis methods for industrial wastewater and pollutants , Coal for coking, chemical and building materials , Charcoal , Basic standards and general methods , Diagnostic standard for occupational diseases , Analysis methods for toxic substances in water .


Zhejiang Provincial Standard of the People's Republic of China

Professional Standard - Agriculture

Professional Standard - Commodity Inspection

  • SN/T 2669-2010 Molecular identification of three-line hybrid rice seeds
  • SN 0180-1992 Method for determination of water activity of food
  • SN/T 0837.2-1999 Method for the determination of moisture in arsenic trioxide for export

Group Standards of the People's Republic of China

  • T/LNEMA 004-2022 Determination of Boron in Drinking Water by Flow Injection Spectrophotometry
  • T/YNBX 098-2023 Determination of rice seed vigor - Multispectral imaging method
  • T/CAQI 381-2024 Determination of 10 sulfonylureas, 10 triazines and 14 triazole pesticides in water by liquid chromatography-triple quadrupole mass spectrometry
  • T/HNNMIA 7-2023 Calcined dolomite analytical methods - Determination of activity - Hydrolysis method

中华人民共和国国家卫生和计划生育委员会

  • WS/T 66-1996 Blood.Determination of cholinesterase activity.Spectrophotometric method--Hydroxylamine-ferric chloride method

Jilin Provincial Standard of the People's Republic of China

  • DB22/T 2826-2017 Rice Seed Vitality Determination Low Temperature Method
  • DB22/T 2391-2015 "Three-line" Hybrid Soybean Seed Purity Identification DNA Analysis Method

Sichuan Provincial Standard of the People's Republic of China

  • DB51/T 1667-2013 SSR Molecular Detection Method for Purity of Hybrid Rice Varieties

未注明发布机构

Liaoning Provincial Standard of the People's Republic of China

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

  • GB/T 12496.2-1999 Test methods of wooden activated carbon-Determination of particle size distribution
  • GB/T 14422-1993 Analysis of water used in boiler and cooling system-Determination of benzotriazole-Ultraviolet spectrophotometry
  • GB/T 23490-2009 Determination of water activity in foods
  • GB/T 14378-1993 quality. Determination of diethylenetriamine. Salicyiclaldehyde spectrophotometric method
  • GB/T 12496.4-1999 Test methods of wooden activated carbon-Determination of moisture content
  • GB/T 7702.1-1997 Determination of moisture in granular activated carbon from coal
  • GB/T 13072-1991 Method for measuring the activity ratios of 226Ra to 228Ra in geological water samples
  • GB/T 14377-1993 quality. Determination of triethylamine. Bromophenol blue spectrophotometric method
  • GB/T 20396-2006 Identification of genuineness and varietal purity of three-line hybrid rice and its parents with DNA analysis method
  • GB/T 10538-1989 Analytical methods for boiler water and cooling water--Determination of quoaternary ammonium salte--Trichloromethane extraction spectrophtometry

Heilongjiang Provincial Standard of the People's Republic of China

Gansu Provincial Standard of the People's Republic of China

  • DB62/T 4891-2024 Methods for determination of maize seed vigor Part 4: Accelerated aging method
  • DB62/T 4890-2024 Method for determination of maize seed vigor Part 3: Low temperature treatment method
  • DB62/T 4804.4-2023 Method for determination of corn seed vigor Part 4: Accelerated aging method
  • DB62/T 4804.2-2023 Method for determination of corn seed vigor Part 2: Radicle counting method
  • DB62/T 4804.1-2023 Methods for determination of corn seed vigor Part 1: General principles
  • DB62/T 4804.3-2023 Method for determination of corn seed vigor Part 3: Low temperature treatment method
  • DB62/T 4888-2024 Method for determination of maize seed vigor Part 1: General principles
  • DB62/T 4889-2024 Method for determination of maize seed vigor Part 2: Radicle counting method

Professional Standard - Nuclear Industry

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

Professional Standard - Coal

  • MT/T 1156-2011 Determination of the Particle-size Distribution of Powdered Activated Carbon by Wet Method

Hubei Provincial Standard of the People's Republic of China

  • DB42/T 1935-2022 Determination of Eleven Triazine Pesticides in Water Quality by Liquid Chromatography-Triple Quadrupole Mass Spectrometry
  • DB42/T 800-2012 SSR detection method for purity of two-line hybrid rice varieties

Professional Standard - Chemical Industry

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

Professional Standard - Aerospace

  • QJ 3140.10-2001 1 2 4-Butanetriol Analysis Method - Part 10: Determination of the Water Content in 1 2 4-Butanetriol
  • QJ 3140.9-2001 1 2 4-Butanetriol Analysis Method - Part 9: Determination of the Colority of 1 2 4-Butanetriol
  • QJ 3140.8-2001 1 2 4-Butanetriol Analysis Method - Part 8: Determination of the Density of 1 2 4-Butanetriol
  • QJ 3140.7-2001 1 2 4-Butanetriol Analysis Method - Part 7: Determination of the PH Value of 1 2 4-Butanetriol

Tianjin Provincial Standard of the People's Republic of China

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 - Hygiene

  • WS/T 64-1996 Urine - Determination of trichloroacetic acid - Spectrophotometric method

Fujian Provincial Standard of the People's Republic of China

  • DB35/T 82.4-1997 Identification method and evaluation standard of resistance to rice borer

Professional Standard - Environmental Protection

  • HJ/T 50-1999 Water quality -- Determination of trichloro-aldehyde -- 3-methyl-1-phenyl-5-pyrazolone spectrophotometric method

SCC

  • AWWA ACE59930 Comparison of Three Methodologies for the Detection of Cryptosporidium in Water
  • BS PD ISO/TR 13587:2012 Three statistical approaches for the assessment and interpretation of measurement uncertainty
  • DANSK DS/ISO/TR 13587:2012 Three statistical approaches for the assessment and interpretation of measurement uncertainty
  • BS 6068-3.2:1993 Water quality. Radiological methods-Measurement of gross beta activity in non-saline water
  • DANSK DS/ISO 18787:2017 Foodstuffs – Determination of water activity
  • AWWA WQTC58989 Impact of Trihalomethane Concentrations in Tap Water and Water Use Activities on Biological Levels of Trihalomethanes
  • AWWA JAW50940 Journal AWWA — Comparison of Three TOC Methodologies
  • AWWA JAW41436 Journal AWWA — Three Approaches for Characterizing NOM
  • BS EN ISO 9698:2015 Water quality. Determination of tritium activity concentration. Liquid scintillation counting method
  • BS 6829-1.5:1990 Analysis of surface active agents (raw materials). General methods-Methods for determination of water content
  • 10/30201937 DC BS ISO 13161. Water quality. Measurement of polonium 210 activity concentration in water by alpha spectrometry
  • 12/30228765 DC BS ISO 13164-3. Water quality. Measurement of the activity concentration of radon-222. Part 3. Emanometric method

Korean Agency for Technology and Standards (KATS)

  • KS F 2325-1982 Testing method for flexural strength of soil-cement using simple beam with third point loading
  • KS F 2325-2002 Testing method for flexural strength of soil-cement using simple beam with third point loading
  • KS Q ISO TR 13587:2021 Three statistical approaches for the assessment and interpretation of measurement uncertainty
  • KS I ISO 9697-2023 Water quality — Gross beta activity — Test method using thick source
  • 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 F 2346-1982 Testing method for unconsolidated, undrained strength of cohesive soils in triaxial compression
  • KS I ISO 9696:2007 Water quality-Measurement of gross alpha activity in non-saline water-Thick source method
  • KS I 3219-2007 Water quality-Determination of surfactants

VN-TCVN

  • TCVN 4404-1987 Cultivated soil.Methods for determination of hydrolytic acidity
  • TCVN 6219-2011 Water quality.Measurement of gross beta activity in non-saline water.Thick source method
  • TCVN 6830-2016 Water quality - Determination of tritium activity concentration - Liquid scintillation counting method
  • TCVN 6053-2011 Water quality.Measurement of gross alpha activity in non-saline water.Thick source method

British Standards Institution (BSI)

  • PD ISO/TR 13587:2012 Three statistical approaches for the assessment and interpretation of measurement uncertainty
  • 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 Foodstuffs. Determination of water activity
  • BS ISO 18787:2017(2021) Foodstuffs — Determination of water activity
  • 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 ISO 9697:2015 Water quality. Gross beta activity in non-saline water. Test method using thick source

Danish Standards Foundation

  • DS/ISO/TR 13587:2012 Three statistical approaches for the assessment and interpretation of measurement uncertainty
  • 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

KR-KS

  • KS Q ISO TR 13587-2021 Three statistical approaches for the assessment and interpretation of measurement uncertainty

Association Francaise de Normalisation

GSO

  • BH GSO ISO 18787:2023 Foodstuffs — Determination of water activity
  • GSO ISO 18787:2023 Foodstuffs — Determination of water activity
  • GSO ISO 11704:2013 Water quality -- Measurement of gross alpha and beta activity concentration in non-saline water -- Liquid scintillation counting method
  • 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
  • OS GSO ISO 13161:2013 Water quality -- Measurement of polonium 210 activity concentration in water by alpha spectrometry
  • GSO ISO 9698:2013 Water quality -- Determination of tritium activity concentration -- Liquid scintillation counting method
  • GSO ISO 17994:2015 Water quality -- Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
  • GSO 353:1994 Methods of test for drinking and mineral water - Part 13 : Determination of radioactive and concentration of some radio elements
  • BH GSO ISO 9698:2016 Water quality -- Determination of tritium activity concentration -- Liquid scintillation counting method

American Society for Testing and Materials (ASTM)

  • ASTM D2867-04 Standard Test Methods for Moisture in Activated Carbon

FI-SFS

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

RU-GOST R

  • GOST 12039-1982 Seed of farm crops. Methods for determination of viability
  • GOST 13056.3-1986 Seeds of forest and shrub species. Methods for determination of moisture
  • GOST 25094-2015 Active mineral additions for cements. Method of activity determination

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 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

CZ-CSN

  • CSN 66 6138-1985 Surface active agents. Methods for determination of turbidity temperature of water solutions
  • CSN 46 7092-30-1998 Testing methods for feeding stuffs - Part 30: Determination of the water extract acidity in milk feeding mixtures stuffs

German Institute for Standardization

  • 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 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).

ES-AENOR

  • UNE 80-265-1988 Chemical analysis and testing methods of cement. Determination of more than three components and cement-forming compounds (by means of selective dilution method)

AENOR

  • UNE-EN ISO 9697:2017 Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015)

IN-BIS

  • IS 3859-1966 Method for determination of intensity of water-soluble azo dyes using titanium trichloride reduction method
  • IS 7447-1974 Method for evaluating the strength of reactive dyes (dichlorotriazines) using dyeing tests