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Database: 365,228(8 Aug 2026)

free concentration and total concentration

free concentration and total concentration, Total:89 items.

The international standard classification for "free concentration and total concentration" includes: Workplace atmospheres , Farming and forestry in general , Alcoholic beverages , Pesticides and other agrochemicals , Shipbuilding and marine structures in general .

The Chinese standard classification for "free concentration and total concentration" includes: Environmental sanitation , Sanitation in general , Industrial dust and gas prevention technology , Distilled liquors , Compartment auxiliary machine , Basic standards and general methods for pesticides , Mechanics Measurement .


中国气象局

Taiwan Provincial Standard of the People's Republic of China

  • CNS 7252-1981 General Rule of Measuring Methods for Airbone Dust Concentration in Environmental Atmosphere
  • CNS 8458-1982 Method of Test for Oxygen Indicator and Oxygen Alarm
  • CNS 8457-1982 Oxygen Indicator and Oxygen Alum
  • CNS 10863-1994 Method of Test for Consistency of Pulp Suspensions

Group Standards of the People's Republic of China

  • T/CMSA 0029-2022 Air negative oxygen ion concentration level icon
  • T/GIEHA 012-2019 Ecological negative oxygen ion concentration Levelof the indoor livable environment

Professional Standard - Building Materials

Hubei Provincial Standard of the People's Republic of China

  • DB42/T 1198-2016 Concentration levels of air negative oxygen ions in Hubei Province
  • DB42/T 1914-2022 Technical specifications for monitoring the concentration of negative oxygen ions in forest environment

中华人民共和国国家卫生和计划生育委员会

  • WS/T 222-2002 Guideline for the measurement of catalytic concentration of clinical enzymes

国家煤矿安全监察局

  • MT 79-1984 Determination Method for Dust Concentration and Dispersity
  • MT/T 1171-2019 Technical specifications of floating dust detection for undergroud coal mine

Professional Standard - Forestry

  • LY/T 2586-2016 Specification on observation on air negative oxygen ion concentration

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

Hebei Provincial Standard of the People's Republic of China

  • DB13/T 5646-2022 Determination of Total α and Total β Radioactive Concentrations in Environmental Aerosols

Professional Standard - Agriculture

  • GB 3776.2-1983 Method of hydrogen ion concentration determination for pesticide emulsifiers

Professional Standard - Nuclear Industry

  • EJ/T 20195-2018 Determination of Total β Activity Concentration of Radioactive Metal Wastes? β Counting Method
  • EJ/T 20188-2018 Beta Counting Method for Determination of Total Beta Activity Concentration of Low-Level Organic Waste Liquid
  • EJ/T 20194-2018 Thick Source α Counting Method for Determination of Total α Activity Concentration of Radioactive Metal Waste
  • EJ/T 1075-1998 Determination of gross alpha activity in water thick source method
  • EJ/T 20187-2018 Thick Source α Counting Method for Determination of Total α Activity Concentration of Low-level Organic Waste Liquid

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 38165-2019 Detection of circulating cell-free DNA concentration in human peripheral blood—Real-time PCR method based on Alu sequence

Professional Standard - Ferrous Metallurgy

National Metrological Technical Specifications of the People's Republic of China

  • JJF 1074-2018 Measurement Tables for Density-Concentration of Alcohal
  • JJF 1074-2001 Measurement Tables for Density - Concentration of Alcohal

Professional Standard-Ships

National Metrological Verification Regulations of the People's Republic of China

  • JJG 846-2015 Verification Regulation of Dust Concentration Measuring Instruments

RU-GOST R

  • GOST R 50729-1995 Textiles. Limit permissible concentration of free formaldehyde
  • GOST 30386-1995 Textiles. Maximum permissible concentrations of free formaldehyde
  • GOST R 51655-2000 Alcohol products and raw material for it's production. Method for determination of free and total sulphurous acid mass concentration
  • GOST 24892-1981 Organic cationic dyes. Determinations of concentrations of shade
  • GOST 19609.19-1989 Concentrated kaolin. Method for determination of hydrogen ions concentration of water suspension
  • GOST 27753.4-1988 Greenhouse grounds. Method for determination of total salts content
  • GOST 25183.9-1982 Photographic gelatine. Method of determination of hydrogen ions concentration
  • GOST 17818.6-1990 Graphite. Method for determination of hydrogen ions concentration of water suspension and water extract
  • GOST 25645.136-1986 Solar wind. Composition, particle concentration and velocity

SCC

  • VDI 2452 BLATT 1-1978 Measuring immissions; measuring the total fluoride ion concentration; impinger method
  • VDI 2452 BLATT 1-1978 Measuring immissions; measuring the total fluoride ion concentration; impinger method
  • AWWA JAW55968 Comparing Total HAA and Total THM Concentrations Using ICR Data
  • NS-EN 12619:1999 Stationary source emissions — Determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases — Continuous flame ionisation detector method
  • BS EN 12619:1999 Stationary source emissions. Determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases. Continuous flame ionization detector method
  • UNE-EN 12619:2000 STATIONARY SOURCE EMISSIONS - DETERMINATION OF THE MASS CONCENTRATION OF TOTAL GASEOUS ORGANIC CARBON AT LOW CONCENTRATIONS IN FLUE GASES - CONTINUOUS FLAME IONISATION DETECTOR METHOD.
  • AWWA JAW34110 Journal AWWA — Technical Note: Comparing Predicted and Observed Concentrations of DBPs
  • AWWA ACE93103 Nation-Wide Survey of Bromide Ion Concentrations in Drinking Water Sources
  • BS 3715:1964 Specification for concentration gradient density columns
  • VDI 3481 BLATT 4-2007 Measuring gaseous emissions — Measuring the concentrations of total C and methane C using the flame ionization detector (FID)
  • HOLDEN HN 1427-2001 Corrosion Preventative - Medium Bodied

GSO

HU-MSZT

Lithuanian Standards Office

  • LST EN 12619-2000 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases - Continuous flame ionisation detector method

International Organization for Standardization (ISO)

  • ISO 10980:1995 Validation of the strength of reference solutions used for measuring concentrations
  • ISO 8299:2019 Nuclear fuel technology — Determination of the isotopic and elemental uranium and plutonium concentrations of nuclear materials in nitric acid solutions by thermal-ionization mass spectrometry

BE-NBN

  • NBN T 63-123-1980 Surface active agents - Analysis of soaps - Determination of low contents of free glycerol - Spectrophotometric method

CZ-CSN

  • CSN 68 4154-1989 Concentration of the inpurities by he ion exchange method
  • CSN 68 1102-1980 Tlie syntheliral detergents. elevmirialion of conuentration of the ydrogen ions (pH)
  • CSN 68 4153-1989 Concentration of the impurities by he extraction method

Korean Agency for Technology and Standards (KATS)

  • KS A ISO 10980:2012 Validation of the strength of reference solutions used for measuring concentrations
  • KS I ISO 9697-2023 Water quality — Gross beta activity — Test method using thick source
  • KS P 6124-2006 Oxygen analyzers for medical use
  • KS M ISO 2272:2007 Surface active agents-Soaps-Determination of low contents of free glycerol by molecular absorption spectrometry

European Committee for Standardization (CEN)

  • EN 12619:1999 Stationary Source Emissions - Determination of the Mass Concentration of Total Gaseous Organic Carbon at Low Concentrations in Flue Gases - Continuous Flame Ionization Detector Method

US-FCR

Standard Association of Australia (SAA)

  • AS 4215.1:1995 Methods of test for determining fire extinguishing and inerting concentrations for flammable liquids and gases - Determination of fire extinguishing concentrations
  • AS 4215.2:1995 Methods of test for determining fire extinguishing and inerting concentrations for flammable liquids and gases - Determination of fire inerting concentrations
  • AS 2917.1:1994 Copper sulfide concentrates - Determination of copper content - Titrimetric methods

BR-ABNT

Canadian General Standards Board (CGSB)

  • CGSB 1-GP-71 METH 4.7-1974 Methods of Testing Paints and Pigments Consistency Consistency of Putty by Means of Gardner Mobilometer

American Society for Testing and Materials (ASTM)

  • ASTM D1583-01(2008) Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
  • ASTM D1583-01(2018) Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
  • ASTM D1583-01(2013) Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
  • ASTM D1583-00 Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
  • ASTM D1583-01 Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films

Association Francaise de Normalisation

  • NF X43-328:1999 Stationary source emissions. Determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases. Continuous flame ionisation detector method.
  • NF M60-816*NF EN ISO 9697:2019 Water quality - Gross beta activity - Test method using thick source
  • NF M60-815*NF EN ISO 9696:2017 Water quality - Gross alpha activity - Test method using thick source

UNKNOWN

Japanese Industrial Standards Committee (JISC)

CH-SNV

TN-INNORPI

GOSTR

  • GOST R 59016-2020 Mineral natural drinking waters. Determination of the mass concentration of bromide ions by the photometric method

CU-NC

  • NC 44-12-12-1985 Ores. Copper Conoentrates Photometric Deterraination of Arsenic