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Database: 365,228(8 Aug 2026)

ion ratio

ion ratio, Total:121 items.

The international standard classification for "ion ratio" includes: Cement. Gypsum. Lime. Mortar , Thermoplastic materials , Paints and varnishes , Plastics in general , Plastics , Radiation measurements , Pigments and extenders , Pumps , Power stations in general , Advanced ceramics , Metallic coatings , Man-made fibres , Tobacco, tobacco products and related equipment .

The Chinese standard classification for "ion ratio" includes: Cement , Basic standards and general methods for synthetic resin and plastic , Basic standards and general method , Coating , Basic standard and general method for pigment , Pump , Electric power testing technique , Hydrogeological survey , Special ceramics , Chemical fibre in general , Tobacco .


Taiwan Provincial Standard of the People's Republic of China

  • CNS 7956-1981 Electrical Comparator
  • CNS 8602-1982 Method of Test for Sulfate Ion in Industrial Waste Water - Turbidity Method
  • CNS 6228-1980 Method of Test for Bromide in Water(Colorimetric Method)
  • CNS 6230-1980 Method of Test for Iodide in Water(Colorimetric Method)

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

  • GB/T 43872-2024 Test methods for determining the immobilization ratio of chloride in cement
  • GB 5211.17-1988 Comparison of Contrast Ratio (Hiding Power) of White Pigments
  • GB/T 13007-2011 Centrifugal pump—Effeciency
  • GB/T 12598-2023 Plastics—Ion exchange resin—Determination for the rate of sphericity after osmotic-attrition and attrition
  • GB/T 12598-2001 Determination for sphericity of ion exchange resins after attrition of osmotic - Attrition
  • GB/T 16698-1996 Measurement of emission rate of α particle Method for large area proportional counter
  • GB 6824-1986 Determination for leaching rate on raft of copper ion for antifouling paint on ship bottom
  • GB/T 8330-2008(英文版) Determination of specific gravity of ion exchange resins in wet state
  • GB/T 5211.17-1988 Comparison of contrast ratio(hiding power)of white pigments
  • GB/T 19860-2005 Determination of hydrogen form of weak-acid cation exchange resins
  • GB/T 11446.7-1997 Test method for trace chloride, nitrate, phosphate, sulfate in electronic grade water by ion-chromatography
  • GB/T 11991-2008 Determination of reversible swelling of exchange resins
  • GB/T 16698-2008 Measurement of emission rate of α particle - Method for large area proportional counter
  • GB/T 13007-1991 Efficiencies for centrifugal pumps
  • GB/T 6824-1986 Determination for leaching rate on raft of copper ion for antifouling paint on ship bottom
  • GB/T 11991-1989 Ion exchange resins-Determination for swelling upon complete conversion
  • GB/T 6824-2008 Determination for release rate of cupper-ion for antifouling paint on ship bottom

Group Standards of the People's Republic of China

  • T/ZZAS 001-2018 Test method for electrical performance of high power lithium-ion battery
  • T/CSTM 00376-2021 Vanadium Titanium Magnetite ore—The determination of scandium, niobium, zirconium, gallium, germanium, indium, selenium, tellurium and bismuth contents—Microwave digestion- Inductively coupled plasma mass spectrometric method
  • T/BMCA 022-2023 High power EC permanent magnet synchronous external rotor intelligent centrifugal fan
  • T/CI 035-2022 Calibration method of magnification of X-ray detection equipment for lithium ion battery
  • T/CSTE 0577-2024 Accounting method for carbon efficiency ratio of products—Lithium ion batteries for transportation vehicles and industrial products
  • T/CECS 10206-2022 Determination of Chloride Ion and Sulfate Ion in Concrete by Ion Chromatography
  • T/DZJN 219-2023 Ultra-high rate polymer lithium-ion battery for car emergency starting
  • T/CI 038-2021 The test method of mean specific heat capacity for lithium ion battery cell

Professional Standard - Electricity

  • DL/T 954-2005 Analysis of water and steam in fossil fuel power plant Determination of fluoride acetate formate chloride nitrite nitrate phosphate and sulfate by ion chromatography
  • DL/T 2294-2021 Determination of percent regeneration of nuclear grade cation exchange resin in lithium form

Professional Standard - Geology

  • DZ/T 0064.51-1993 Groundwater quality test methods - the determination of chloridion, fluorinion, bromide ion, nitrate radical and sulfate radical with ion chromatography method
  • DZ/T 0064.57-1993 Groundwater Quality Test Methods - Determination of Ammonium Ion by Nessler's Reagent Colorimetry

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 37253-2018 Test method for ionic conductivity of functional ceramics for oxygen sensor
  • GB/T 36769-2018 Determination of percent regeneration of cation exchange resins

Professional Standard - Energy

  • NB/T 10827-2021 Test method for ionic conductivity of solid-state electrolytes for solid-state batteries
  • NB/T10827-2021 Test method for ionic conductivity of power battery thin films

Professional Standard - Agriculture

  • JB 3560-1984 centrifugal pump efficiency
  • SN/T 5052-2018 Determination of fluorinion, chloridion, sulfate ion and nitrate ion in water soluble carbonate - Ion chromatography
  • JB 3559-1984 centrifugal pump efficiency
  • SN/T 5056-2018 Determination of fluoride ion, nitrite ion, nitrate ion, phosphate ion and sulfate ion in sodium chloride by ion chromatography
  • JB 3563-1984 centrifugal pump efficiency

Military Standard of the People's Republic of China-General Armament Department

  • GJB 3090-1997 Radar feeder subsystem performance test method power distribution ratio, isolation, air tightness
  • GJB 664.1-1989 Digital communication subgroup series bit rate, frame structure and multiplexing method

Professional Standard - Aviation

  • HB/Z 5108.2-1999 Analysis Method of Phosphating Solution - Determination of Chloridion Content with Visual Turbidimetry

Professional Standard - Textile

  • FZ/T 50020-2013 Test method for dye absorption of cationic dyeable modified polyester fiber

Professional Standard - Commodity Inspection

  • SN/T 4310-2015 Determination of chloride,nitrate and sulphate in phosphoric acid for import and export - Ion chromatography

Professional Standard - Coal

  • MT/T 371-1994 Determination method of sulfur ion in coal mine water p-aminodimethylaniline colorimetric method

Professional Standard - Tobacco

  • YC/T 275-2008 Determination of citrate,phosphate and acetate in cigarette paper—Ion chromatography method

RU-GOST R

British Standards Institution (BSI)

  • BS DD ENV 12142:1997 Method for determination of stable hydrogen isotope ratio ( 2H/ 1H) of water from fruit juices, using isotope ratio mass spectrometry
  • BS DD ENV 12140:1997 Method for determination of stable carbon isotope ratio ( 1 3C/ 1 2C) of sugars from fruit juices, using isotope ratio mass spectrometry
  • BS DD ENV 12141:1997 Method for determination of stable oxygen isotope ratio ( 1 8O/ 1 6O) of water from fruit juices, using isotope ratio mass spectrometry
  • BS 7310:1990(2012) Specification for Ion - selective electrodes, reference electrodes, combination electrodes and ion - selective electrode meters for determination of ions in solution

SCC

  • AWWA ACE92112 Discrete and On-Line Particle Counting: Comparative Advantages
  • AWWA ACE93141 Effect of Various Anions on Copper Corrosion Rates
  • AWWA JAW37636 Journal AWWA — Effect of Selected Anions on Copper Corrosion Rates
  • AWWA WQTC53014 Molecular Fingerprinting and Comparison of Aeromonas Isolates from Human Stool and Groundwater
  • AWWA WQTC69468 Methods to Improve RO Recovery: Ion Exchange Pretreatment for Barium Reduction

American Society for Testing and Materials (ASTM)

  • ASTM D5794-95(2014) Standard Guide for Determination of Anions in Cathodic Electrocoat Permeates by Ion Chromatography
  • ASTM D5794-95(2002) Standard Guide for Determination of Anions in Cathodic Electrocoat Permeates by Ion Chromatography
  • ASTM D5794-95(2008) Standard Guide for Determination of Anions in Cathodic Electrocoat Permeates by Ion Chromatography
  • ASTM D5794-95 Standard Guide for Determination of Anions in Cathodic Electrocoat Permeates by Ion Chromatography
  • ASTM E2426-10 Standard Practice for Pulse Counting System Dead Time Determination by Measuring Isotopic Ratios with SIMS
  • ASTM E803-91(2013) Standard Test Method for Determining the L/D? Ratio of Neutron Radiography Beams
  • ASTM D6504-11(2016)e1 Standard Practice for On-Line Determination of Cation Conductivity in High Purity Water
  • ASTM C871-08 Standard Test Methods for Chemical Analysis of Thermal Insulation Materials for Leachable Chloride, Fluoride, Silicate, and Sodium Ions

Institute of Interconnecting and Packaging Electronic Circuits (IPC)

American Welding Society (AWS)

  • WRC 357:1990 Calculation of Electrical and Thermal Conductivities of Metallurgical Plasmas

GSO

  • BH GSO ISO 18114:2016 Surface chemical analysis -- Secondary-ion mass spectrometry -- Determination of relative sensitivity factors from ion-implanted reference materials
  • GSO 439:1994 mineral aggregates and sands-determination of chloride and sulphate contents.
  • GSO ISO 13899-2:2013 Steel -- Determination of Mo, Nb and W contents in alloyed steel -- Inductively coupled plasma atomic emission spectrometric method -- Part 2: Determination of Nb content
  • GSO ISO/TS 13899-3:2013 Steel -- Determination of Mo, Nb and W contents in alloyed steel -- Inductively coupled plasma atomic emission spectrometric method -- Part 3: Determination of W content

Japanese Industrial Standards Committee (JISC)

WRC - Welding Research Council

  • BULLETIN 357-1990 CALCULATION OF ELECTRICAL AND THERMAL CONDUCTIVITIES OF METALLURGICAL PLASMAS

Korean Agency for Technology and Standards (KATS)

  • KS I ISO 14911:2009 Water quality-Determination of dissolved Li+, Na+,NH4+, K+, Mn2+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography-Method for water and waste water
  • KS B ISO 12721:2008 Non-destructive testing-Thermal neutron radiographic testing-Determination of beam L/D ratio
  • KS B 5247-2009(2019) Electrical comparators
  • KS C 6421-1982 FIXED ALUMINIUM ELECTROLYTIC CAPACITORS WITH NON-SOLID ELECTROLYTE FOR USE IN ELECTRONIC EQUIPMENT
  • KS C 6421-2002 FIXED ALUMINIUM ELECTROLYTIC CAPACITORS WITH NON-SOLID ELECTROLYTE FOR USE IN ELECTRONIC EQUIPMENT
  • KS C 7114-2008(2018) Plasma display panels(PDP)-Measuring method of moving picture resolution
  • KS C 7114-2008 Plasma display panels(PDP)-Measuring method of moving picture resolution
  • KS B 5247-2009 Electrical comparators
  • KS C 7114-2023 Plasma display panels(PDP)-Measuring method of moving picture resolution

International Organization for Standardization (ISO)

  • ISO 14911:1998 Water quality - Determination of dissolved Li<(hoch)+>, Na<(hoch)+>, NH<(Index)4><(hoch)+>, K<(hoch)+>, Mn<(hoch)2+>, Ca<(hoch)2+>, Mg<(hoch)2+>, Sr<(hoch)2+> and Ba<(hoch)2+> using ion chromatography - Method for water and waste water
  • ISO 12721:2000 Non-destructive testing - Thermal neutron radiographic testing - Determination of beam L/D ratio
  • ISO/TS 22933:2022 Surface chemical analysis — Secondary ion mass spectrometry — Method for the measurement of mass resolution in SIMS
  • ISO 12030:2010 Tobacco and tobacco products - Non-destructive determination of strips density variation ratio in case - Ionizing radiation method

German Institute for Standardization

  • DIN EN ISO 14911:1999 Water quality - Determination of dissolved Li<(hoch)+>, Na<(hoch)+>, NH<(Index)4><(hoch)+>, K<(hoch)+>, Mn<(hoch)2+>, Ca<(hoch)2+>, Mg<(hoch)2+>, Sr<(hoch)2+> and Ba<(hoch)2+> using ion chromatography - Method for water and waste water (ISO 14911:1998); G
  • DIN 8236-3:1971-07 Chronometric Terms; Coefficients of the Rate

Association Francaise de Normalisation

  • NF T90-048*NF EN ISO 14911:1999 Water quality - Determination of dissolved Li+, Na+, NH 4+, K+, Mn 2+, Ca 2+, Mg 2+, Sr 2+ and Ba 2+ using ion chromatography - Method for water and waste water.

European Committee for Standardization (CEN)

  • EN ISO 14911:1999 Water Quality - Determination of Dissolved Li+, Na+, NH4+, K+, Mn2+, Ca2+, Mg2+, Sr2+ and Ba2+ Using Ion Chromatography - Method for Water and Waste Water ISO 14911:1998

ESDU - Engineering Sciences Data Unit

  • ESDU 76020 A-2011 Estimation of the maximum discrete frequency noise from isolated rotors and propellers
  • ESDU 76020-1976 ESTIMATION OF THE MAXIMUM DISCRETE FREQUENCY NOISE FROM ISOLATED ROTORS AND PROPELLERS
  • ESDU 76020 A-2008 Estimation of the maximum discrete frequency noise from isolated rotors and propellers.

US-CFR-file

  • CFR 20-345.307-2015 Employees’ Benefits. Part345:Employers’contributions and contribution reports. SubpartD:Contribution rates. Section345.307:Rate protest.

CEPT - Conference Europeenne des Administrations des Postes et des Telecommunications

International Telecommunication Union (ITU)

American National Standards Institute (ANSI)

RO-ASRO

Spanish Association for Standardization (UNE)

  • UNE 55-802-1985 Surface agents. Determination of key density of cationic surface agent (hydrochloric acid and bromic acid) glue technology information. Methods for measuring ion contrast activity

International Electrotechnical Commission (IEC)

  • IEC 61501:1998 Nuclear reactor instrumentation - Wide range neutron fluence rate meter - Mean square voltage method

VN-TCVN

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector

United States Navy

AASHTO - American Association of State Highway and Transportation Officials

South African Bureau of Standard

  • SANS 12721:2004 Non-destructive testing - Thermal neutron radiographic testing - Determination of beam L/D ratio
  • SANS 163-1:1992 Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions Part 1: Method for water with low contamination
  • SANS 163-2:1995 Water quality - Determination of dissolved anions by liquid chromatography of ions Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water

BELST

  • STB 1048-97 Comparative electrodes for determination of hydrogen ions activity in aqueous solutions. General technical specifications

Institute of Electrical and Electronics Engineers (IEEE)