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bet adsorption adsorption

bet adsorption adsorption, Total:500 items.

In the international standard classification, bet adsorption adsorption involves: Particle size analysis. Sieving, Powder metallurgy, Ceramics, Analytical chemistry, Wind turbine systems and other alternative sources of energy, Equipment for processing of minerals, Materials for aerospace construction, Protection against dangerous goods, Rubber and plastics products, Products of the chemical industry, Inorganic chemicals, Radiation measurements, Fuels, Radiation protection, Ergonomics, Sugar. Sugar products. Starch, Shipbuilding and marine structures in general, Products of the textile industry, Wastes, Air quality, Paper and board, Linear and angular measurements, Wood-based panels, Materials and articles in contact with foodstuffs, Medical equipment, Laboratory medicine, Footwear, Biology. Botany. Zoology, Compressors and pneumatic machines, Raw materials for rubber and plastics, Farming and forestry, Floor treatment appliances, Construction materials, Water quality, Physics. Chemistry, Environmental protection, Coals, Spices and condiments. Food additives, Non-metalliferous minerals, Equipment for the chemical industry, Nuclear energy engineering, Non-ferrous metals, Hand-held tools, Medical sciences and health care facilities in general, Production in the chemical industry, Veterinary medicine, Products of non-ferrous metals, Woodworking equipment, Tobacco, tobacco products and related equipment, Soil quality. Pedology, Transport, Plastics, Extraction and processing of petroleum and natural gas, Equipment for petroleum and natural gas industries, Installations in buildings, Railway rolling stock, Protection against crime, Paper products, Petroleum products in general, Testing of metals, Lubricants, industrial oils and related products, Mining and quarrying, Metalliferous minerals, Animal feeding stuffs, MINING AND MINERALS, Vocabularies, Pesticides and other agrochemicals, Food products in general, General methods of tests and analysis for food products, Fishing and fish breeding, Ferrous metals, Measurement of volume, mass, density, viscosity, Microbiology, Protection against electric shock, Galvanic cells and batteries.


International Organization for Standardization (ISO), bet adsorption adsorption

  • ISO 9277:1995 Determination of the specific surface area of solids by gas adsorption using the BET method
  • ISO 9277:2022 Determination of the specific surface area of solids by gas adsorption — BET method
  • ISO 9277:2010 Determination of the specific surface area of solids by gas adsorption - BET method
  • ISO 18417:2017 Iodine charcoal sorbents for nuclear facilities - Method for defining sorption capacity index
  • ISO 9562:1998 Water quality - Determination of adsorbable organically bound halogens (AOX)
  • ISO 9562:2004 Water quality - Determination of adsorbable organically bound halogens (AOX)
  • ISO 9562:1989 Water quality; determination of adsorbable organic halogens (AOX)
  • ISO 1304:1974 Carbon black for use in the rubber industry — Determination of iodine adsorption number
  • ISO/TS 19883:2017 Safety of pressure swing adsorption systems for hydrogen separation and purification
  • ISO 15901-2:2006 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 2: Analysis of mesopores and macropores by gas adsorption
  • ISO 15901-3:2007 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 3: Analysis of micropores by gas adsorption
  • ISO 22252:2020 Manned submersibles — Breathing air supply and CO2 adsorption systems — Performance requirements and recommendations
  • ISO 6810:1995 Rubber compounding ingredients - Carbon black - Determination of surface area - CTAB adsorption methods
  • ISO 2961:1974 Aluminium oxide primarily used for the production of aluminium; Determination of an adsorption index

Defense Logistics Agency, bet adsorption adsorption

German Institute for Standardization, bet adsorption adsorption

  • DIN ISO 9277:2014-01 Determination of the specific surface area of solids by gas adsorption - BET method (ISO 9277:2010)
  • DIN ISO 9277:2014 Determination of the specific surface area of solids by gas adsorption - BET method (ISO 9277:2010)
  • DIN 54401:2016 Testing of ion exchangers, adsorber resins and hybridadsorbers - Sampling
  • DIN 54401:2016-05 Testing of ion exchangers, adsorber resins and hybridadsorbers - Sampling
  • DIN EN ISO 18417:2020-12 Iodine charcoal sorbents for nuclear facilities - Method for defining sorption capacity index (ISO 18417:2017); German version EN ISO 18417:2019
  • DIN 19633:2013 Ion exchanger, adsorption resins and hybrid adsorber for water treatment - Technical delivery conditions
  • DIN 16282:2020 Siphons for pressure gauges and their accessories
  • DIN 16282:2020-12 Siphons for pressure gauges and their accessories
  • DIN 19633:2013-03 Ion exchanger, adsorption resins and hybrid adsorber for water treatment - Technical delivery conditions
  • DIN EN ISO 9562:2005 Water quality - Determination of adsorbable organically bound halogens (AOX) (ISO 9562:2004); German version EN ISO 9562:2004
  • DIN 66138:2008 Isothermal measurement of the sorption of vapours at solids
  • DIN 66138:2008-09 Isothermal measurement of the sorption of vapours at solids
  • DIN EN ISO 18757:2006 Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of specific surface area of ceramic powders by gas adsorption using the BET method (ISO 18757:2003); English version of DIN EN ISO 18757:2006
  • DIN EN ISO 18757:2006-01 Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of specific surface area of ceramic powders by gas adsorption using the BET method (ISO 18757:2003); German version EN ISO 18757:2005
  • DIN EN ISO 18417:2020 Iodine charcoal sorbents for nuclear facilities - Method for defining sorption capacity index (ISO 18417:2017); German version EN ISO 18417:2019
  • DIN 19732:1997 Soil quality - Determination of the site specific potential for translocation of non-sorbable substances
  • DIN EN ISO 12571:2022-04 Hygrothermal performance of building materials and products - Determination of hygroscopic sorption properties (ISO 12571:2021); German version EN ISO 12571:2021
  • DIN EN ISO 9562:2005-02 Water quality - Determination of adsorbable organically bound halogens (AOX) (ISO 9562:2004); German version EN ISO 9562:2004
  • DIN EN ISO 12571:2020 Hygrothermal performance of building materials and products - Determination of hygroscopic sorption properties (ISO/DIS 12571:2020); German and English version prEN ISO 12571:2020
  • DIN 54802-2:2015-07 Testing of plastics - Determination of plasticizer sorption and rate of plasticizer sorption in the heat of vinyl chloride (VC) polymers - Part 2: Statical method
  • DIN 19732:2011 Soil quality - Determination of the site specific potential for translocation of non-sorbable substances
  • DIN 54802-1:2015-07 Testing of plastics - Determination of plasticizer sorption and rate of plasticizer sorption in the heat of vinyl chloride (VC) polymers - Part 1: Planetary mixer method
  • DIN EN 13203-6:2018 Gas-fired domestic appliance producing hot water - Part 6: Assessment of energy consumption of adsorption and absorption heat pumps
  • DIN EN 13203-6:2022 Gas-fired domestic appliances producing hot water - Part 6: Assessment of energy consumption of adsorption and absorption heat pumps
  • DIN EN 13203-6:2022-11 Gas-fired domestic appliances producing hot water - Part 6: Assessment of energy consumption of adsorption and absorption heat pumps; German version EN 13203-6:2022 / Note: This standard is part of the DVGW body of rules.

British Standards Institution (BSI), bet adsorption adsorption

  • BS ISO 9277:2010 Determination of the specific surface area of solids by gas adsorption. BET method
  • BS ISO 9277:2022 Tracked Changes. Determination of the specific surface area of solids by gas adsorption. BET method
  • BS ISO 18417:2017 Iodine charcoal sorbents for nuclear facilities. Method for defining sorption capacity index
  • BS EN ISO 18417:2019 Iodine charcoal sorbents for nuclear facilities. Method for defining sorption capacity index
  • BS 4359-1:1996 Determination of the specific surface area of powders. BET method of gas adsorption for solids (including porous materials)
  • BS EN ISO 18757:2005 Fine ceramics (advanced ceramics, advanced technical ceramics). Determination of specific surface area of ceramic powders by gas adsorption using the BET method
  • BS EN ISO 17510-2:2009 Sleep apnoea breathing therapy. Masks and application accessories
  • BS EN ISO 9562:2004 Water quality - Determination of adsorbable organically bound halogens (AOX)
  • BS ISO 8008:2006 Aluminium oxide primarily used for the production of aluminium - Determination of specific surface area by nitrogen adsorption
  • BS PD ISO/TS 19883:2017 Safety of pressure swing adsorption systems for hydrogen separation and purification
  • BS 7959-1:2004 Materials used for the control of liquid spillages - Determination of sorbency
  • BS EN 13203-6:2018 Gas-fired domestic appliances producing hot water. Assessment of energy consumption of adsorption and absorption heat pumps
  • BS EN ISO 12571:2021 Tracked Changes. Hygrothermal performance of building materials and products. Determination of hygroscopic sorption properties
  • 20/30407360 DC BS EN ISO 12571. Hygrothermal performance of building materials and products. Determination of hygroscopic sorption properties
  • 21/30432304 DC BS EN ISO 12571. Hygrothermal performance of building materials and products. Determination of hygroscopic sorption properties
  • 19/30358816 DC BS ISO 22252. Manned submersibles. Breathing air supply and carbon dioxide adsorption. Design requirements
  • BS ISO 15901-3:2007 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption. Analysis of micropores by gas adsorption
  • PD ISO/TS 19883:2017 Safety of pressure swing adsorption systems for hydrogen separation and purification
  • BS ISO 15901-2:2006(2007) Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Analysis of mesopores and macropores by gas adsorption
  • BS ISO 15901-2:2007 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Analysis of mesopores and macropores by gas adsorption
  • BS ISO 22252:2020 Manned submersibles. Breathing air supply and CO2 adsorption systems. Performance requirements and recommendations
  • BS EN 13203-6:2022 Tracked Changes. Gas-fired domestic appliances producing hot water. Assessment of energy consumption of adsorption and absorption heat pumps
  • BS ISO 15901-2:2022 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Analysis of nanopores by gas adsorption

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, bet adsorption adsorption

  • GB/T 19587-2017 Determination of the specific surface area of solids by gas adsorption using the BET method
  • GB/T 19587-2004 Determination of the specific surface area of solids by gas adsorption using the BET method
  • GB/T 29412-2012 Adsorber of pressure swing adsorption for hydrogen purification
  • GB/T 21851-2008 Chemicals.Adsorption-desorption using a batch equilibrium method
  • GB/T 24395-2009 Adsorption resin for food industrial use
  • GB/T 17999.5-1999 SPF chicken--Enzyme-linked immunosorbent assay
  • GB/T 7701.7-1997 Granular activated carbon from coal for high adsorption performance
  • GB/T 14926.50-2001 Laboratory animal--Enzyme-linked immunosorbent assay(ELISA)
  • GB 6287-1986 Determination of static adsorbed water for molecular sieve
  • GB/T 8770-1988 Determination of dynamic adsorbed water for molecular sieve
  • GB/T 19560-2008 Experimental method of high-pressure isothermal adsorption to coal
  • GB/T 6287-1986 Determination of static adsorbed water for molecular sieve
  • GB/T 8770-2014 Determination of dynamic water absorption capability for molecular sieve
  • GB/T 5816-1995 Catalysts and adsorvents--Determination of surface area
  • GB/T 19773-2005 Specification of hydrogen purification system on pressure swing adsorption
  • GB/T 41533-2022 Textiles—Determination of adsorbable organic halogens
  • GB/T 24618-2009 Routine analytical cigarette-smoking machine.Additional test methods
  • GB/T 42857-2023 Safety requirements for hydrogen purification system by pressure swing adsorption
  • GB/T 35210.1-2023 Determination of isothermal adsorption/desorption of methane in shale—Part 1: Static volumetric method
  • GB/T 21650.3-2011 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption.Part 3:Analysis of micropores by gas adsorption
  • GB/T 13390-2008 Metallic powder.Determination of the specific surface area.Method of nitrogen adsorption
  • GB/T 19560-2004 Experimental method of high-pressure adsorption isothermal to coal capacity method
  • GB/T 24396-2009 Test method of adsorption resin for food industrial use
  • GB/T 13390-1992 Metallic powder--Determination of the specific surface area--Method of nitrogen adsorption
  • GB/T 12496.8-1999 Test methods of wooden activated carbon-Determination of iodine number
  • GB/T 12496.8-2015 Test methods of wooden activated carbon.Determination of iodine number
  • GB/T 10322.8-2009 Iron ores.Single-point determination of specific surface area.Nitrogen adsorption method
  • GB/T 21650.2-2008 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption.Part 2: Analysis of mesopores and macropores by gas adsorption
  • GB/T 31270.4-2014 Test guidelines on environmental safety assessment for chemical pesticides.Part 4: Adsorption/desorption in soils
  • GB/T 12496.12-1999 Test methods of wooden activated carbon-Determination of phenol Adsorption
  • GB/T 5009.118-2003 Determination of T-2 toxin in wheat with enzyme-linked immunosorbent assay (ELISA)
  • GB/T 15959-1995 Water quality--Determination of adsorbable organic halogens (AOX)--Microcoulometric method
  • GB/T 10505.3-1989 Determination of static absorbed ethene and nitrogen for molecular sieve 3A
  • GB 9018.10-1988 Celestite ores--Determination of hygroscopic moisture content--Gravimetric method
  • GB 10505.3-1989 3A Molecular Sieve Static Ethylene and Nitrogen Adsorption Determination Method
  • GB/T 7702.7-1997 Standard test method for granular activated carbon from coal--Determination of iodine number

Taiwan Provincial Standard of the People's Republic of China, bet adsorption adsorption

  • CNS 14389-1999 Methods of measuring for specific surface area of fine ceramic powders by gas adsorption
  • CNS 5818-1980 Method of Test for Iodine Adsorption Number of Carbon Black

AENOR, bet adsorption adsorption

  • UNE-ISO 9277:2009 Determination of the specific surface area of solids by gas adsorption using the BET method
  • UNE 30033:1954 TEST OF ABSORBENT ACTIVE CARBON.
  • UNE 55129:1984 DETERMINATION OF THE ACTIVITY OF ADSORBENTS FOR CHROMATOGRAPHY IN COLUMN
  • UNE-ISO 1304:2013 Rubber compounding ingredients — Carbon black — Determination of iodine adsorption number
  • UNE-EN ISO 12571:2015 Hygrothermal performance of building materials and products - Determination of hygroscopic sorption properties (ISO 12571:2013)

American Society for Testing and Materials (ASTM), bet adsorption adsorption

  • ASTM F726-99 Standard Test Method for Sorbent Performance of Adsorbents
  • ASTM F726-06 Standard Test Method for Sorbent Performance of Adsorbents
  • ASTM F726-17 Standard Test Method for Sorbent Performance of Adsorbents
  • ASTM D1993-91(1997) Standard Test Method for Precipitated Silica-Surface Area by Multipoint BET Nitrogen Adsorption
  • ASTM D1993-18 Standard Test Method for Precipitated Silica-Surface Area by Multipoint BET Nitrogen Adsorption
  • ASTM D1993-22 Standard Test Method for Precipitated Silica-Surface Area by Multipoint BET Nitrogen Adsorption
  • ASTM D6651-01 Standard Test Method for Determining The Rate of Sorption and Sorptive Capacity Of Nonwoven Fabrics
  • ASTM F716-09 Standard Test Methods for Sorbent Performance of Absorbents
  • ASTM D5802-95 Standard Test Method for Sorption of Bibulous Paper Products (Sorptive Rate and Capacity Using Gravimetric Principles)
  • ASTM D5802-95(2001) Standard Test Method for Sorption of Bibulous Paper Products (Sorptive Rate and Capacity Using Gravimetric Principles)
  • ASTM F726-12 Standard Test Method for Sorbent Performance of Adsorbents
  • ASTM F716-82(2001) Standard Methods of Testing Sorbent Performance of Absorbents
  • ASTM F716-82(1993)e1 Standard Methods of Testing Sorbent Performance of Absorbents
  • ASTM F716-07 Standard Test Methods for Sorbent Performance of Absorbents
  • ASTM D5919-96(2017) Standard Practice for Determination of Adsorptive Capacity of Activated Carbon by a Micro-Isotherm Technique for Adsorbates at ppb Concentrations
  • ASTM D5919-96(2022) Standard Practice for Determination of Adsorptive Capacity of Activated Carbon by a Micro-Isotherm Technique for Adsorbates at ppb Concentrations
  • ASTM D5919-96 Standard Practice for Determination of Adsorptive Capacity of Activated Carbon by a Micro-Isotherm Technique for Adsorbates at ppb Concentrations
  • ASTM D5919-96(2001) Standard Practice for Determination of Adsorptive Capacity of Activated Carbon by a Micro-Isotherm Technique for Adsorbates at ppb Concentrations
  • ASTM D5919-96(2006) Standard Practice for Determination of Adsorptive Capacity of Activated Carbon by a Micro-Isotherm Technique for Adsorbates at ppb Concentrations
  • ASTM D5919-96(2011) Standard Practice for Determination of Adsorptive Capacity of Activated Carbon by a Micro-Isotherm Technique for Adsorbates at ppb Concentrations
  • ASTM D5160-95(1998) Standard Guide for Gas-Phase Adsorption Testing of Activated Carbon
  • ASTM UOP311-02 Hydrocarbon Types by Fluorescent Indicator Adsorption (FIA)
  • ASTM D1510-21 Standard Test Method for Carbon Black—Iodine Adsorption Number
  • ASTM D5160-95(2019) Standard Guide for Gas-Phase Adsorption Testing of Activated Carbon
  • ASTM D1510-23 Standard Test Method for Carbon Black—Iodine Adsorption Number
  • ASTM D1510-19a Standard Test Method for Carbon Black—Iodine Adsorption Number
  • ASTM D1510-06 Standard Test Method for Carbon Black—Iodine Adsorption Number
  • ASTM D1510-19 Standard Test Method for Carbon Black—Iodine Adsorption Number
  • ASTM D1510-17 Standard Test Method for Carbon Black—Iodine Adsorption Number
  • ASTM D5160-95(2014) Standard Guide for Gas-Phase Adsorption Testing of Activated Carbon
  • ASTM F716-18 Standard Test Methods for Sorbent Performance of Absorbents for Use on Chemical and Light Hydrocarbon Spills
  • ASTM D4222-03 Standard Test Method for Determination of Nitrogen Adsorption and Desorption Isotherms of Catalysts By Static Volumetric Measurements
  • ASTM D4222-98 Standard Test Method for Determination of Nitrogen Adsorption and Desorption Isotherms of Catalysts By Static Volumetric Measurements
  • ASTM D1510-09 Standard Test Method for Carbon BlackIodine Adsorption Number
  • ASTM D1510-08b Standard Test Method for Carbon BlackIodine Adsorption Number
  • ASTM D1510-09a Standard Test Method for Carbon BlackIodine Adsorption Number
  • ASTM UOP425-86 Surface Area, Pore Volume and Pore Diameter of Porous Substances by Nitrogen Adsorption

Association Francaise de Normalisation, bet adsorption adsorption

  • NF X11-621:1975 Determination of the area per unit mass of powders (specific surface) by means of gas adsorption. B.E.T. method:volumetric measurement of the adsorption of nitrogen at low temperatures.
  • NF M60-570*NF EN ISO 18417:2019 Iodine charcoal sorbents for nuclear facilities - Method for defining sorption capacity index
  • NF EN ISO 18757:2006 Céramiques techniques - Détermination de la surface spécifique (aire massique) des poudres céramiques par adsorption de gaz à l'aide de la méthode BET
  • NF T90-151*NF EN ISO 9562:2005 Water quality - Determination of adsorbable organically bound halogens (AOX).
  • NF EN ISO 12571:2021 Performance hygrothermique des matériaux et produits pour le bâtiment - Détermination des propriétés de sorption hygroscopique
  • NF T90-362:2022 Water and soil pollution control products - Classification of sorbents
  • NF T45-111*NF ISO 1304:2016 Rubber compounding ingredients - Carbon black - Determination of iodine adsorption number
  • NF X11-620:1996 Determination of the specific surface area of solids by gas adsorption using the bet method.
  • NF T45-111:2006 Rubber compounding ingredients - Carbon black - Determination of iodine absorption number.
  • NF Q03-065*NF ISO 8787:1987 Paper and board. Determination of capillary rise. Klemm method.
  • XP X43-113*XP CEN/TS 17286:2019 Stationary source emissions - Mercury monitoring using sorbent traps
  • XP CEN/TS 17286:2019 Émissions de sources fixes - Surveillance du mercure à l'aide de pièges adsorbants
  • NF ISO 1304:2016 Ingrédients de mélange du caoutchouc - Noir de carbone - Détermination de l'indice d'adsorption d'iode
  • NF EN ISO 9562:2005 Qualité de l'eau - Dosage des halogènes des composés organiques adsorbables (AOX)
  • NF C18-431:1996 Saddles, pole clamps (stick clamps) and accessories for live working.

国家市场监督管理总局、中国国家标准化管理委员会, bet adsorption adsorption

  • GB/T 39713-2020 Testing mothed for specific surface area of ceramic powders—BET gas adsorption operation
  • GB/T 6287-2021 Determination of static adsorbed water for molecular sieve

Japanese Industrial Standards Committee (JISC), bet adsorption adsorption

  • JIS R 1626:1996 Measuring methods for the specific surface area of fine ceramic powders by gas adsorption using the BET method
  • JIS L 1954:2022 Textiles -- Determination of water vapour sorption/desorption properties over time
  • JIS Z 8830:1990 Determination of the specific surface area of powders by gas adsorption methods
  • JIS Z 8830:2013 Determination of the specific surface area of powders (solids) by gas adsorption -- BET method
  • JIS A 1470-2:2008 Determination of water vapour adsorption/desorption properties for building materials -- Part 2 : Response to temperature variation
  • JIS A 1470-1:2008 Determination of water vapour adsorption / desorption properties for building materials -- Part 1: Response to humidity variation
  • JIS A 1470-1:2014 Determination of water vapour adsorption/desorption properties for building materials -- Part 1: Response to humidity variation

CZ-CSN, bet adsorption adsorption

GM Europe, bet adsorption adsorption

Professional Standard - Machinery, bet adsorption adsorption

United States Navy, bet adsorption adsorption

Professional Standard - Aerospace, bet adsorption adsorption

  • QJ 2676A-2014 Test method for adsorption properties of adsorbents at low temperature and pressure
  • QJ 2676-1994 Adsorbent low temperature and low pressure adsorption performance test method

Korean Agency for Technology and Standards (KATS), bet adsorption adsorption

  • KS L ISO 18757-2012(2017) Fine ceramics-Determination of specific surface area of ceramic powders by gas adsorption using the BET method
  • KS L ISO 18757-2012(2022) Fine ceramics-Determination of specific surface area of ceramic powders by gas adsorption using the BET method
  • KS I ISO 9562:2007 Water quality-Determination of adsorbable organically bound halogens(AOX)
  • KS E 3012-2001 Method for determination of combined water in iron ores
  • KS E 3028-2011 Methods for determination of combined water in manganese ores
  • KS E 3012-1981 Method for determination of combined water in iron ores
  • KS M 1429-2004 Determination of the specific surface area of media(pelletized) - Gas adsorption method
  • KS M ISO 1304-2017(2022) Rubber compounding ingredients-Carbon black-Determination of iodine adsorption number
  • KS I ISO 9562-2007(2017) Water quality-Determination of adsorbable organically bound halogens(AOX)
  • KS M 2239-2005(2020) Testing method for aromatic hydrocarbons of petroleum products (silica gel adsorption method)
  • KS M 2239-1980 Testing method for aromatic hydrocarbons of petroleum products (silica gel adsorption method)
  • KS M ISO 2961:2002 Aluminium oxide primarily used for the production of aluminium-Determination of an absorption index
  • KS M 1429-2004(2010) Determination of the specific surface area of media(pelletized) - Gas adsorption method
  • KS M ISO 2961:2013 Aluminium oxide primarily used for the production of aluminium-Determination of an absorption index
  • KS M 1429-2013 Determination of the specific surface area of media(pelletized) - Gas adsorption method
  • KS A 0094-2014(2019) Determination of the specific surface area of powders(solids) by gas adsorption method
  • KS D 0073-2002 Method of determining the PCT relations of hydrogen-absorbing alloys

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

Group Standards of the People's Republic of China, bet adsorption adsorption

  • T/QGCML 1567-2023 Anti-adsorption cutting board
  • T/DLSHXH 002-2019 Olefin purification adsorbent
  • T/QGCML 1134-2023 Adsorption-desorption catalytic combustion integrated device
  • T/DLSHXH 001-2019 Molecular Sieve 5A-PSA
  • T/QGCML 1392-2023 Pressure swing adsorption nitrogen production equipment
  • T/ZZB 2799-2022 Pressure swing adsorption(PSA) nitrogen plants
  • T/ZZB 2450-2021 Pressure swing adsorption (PSA) oxygen plant
  • T/CASME 418-2023 Enzyme-linked Immunosorbent Assay Kit
  • T/SHDSGY 172-2022 Enzyme-linked immunosorbent assay (ELISA)
  • T/ZZB 2647-2022 VPSA oxygen plants
  • T/CASMES 181-2023 Intelligent PSA nitrogen production equipment
  • T/SHDSGY 038-2022 Technical specification for activated carbon adsorption nitrogen desorption condensation recovery
  • T/LNWTA 001-2019 Water treatment chemicals——Iron-based composite adsorbent
  • T/CASME 485-2023 Energy saving pressure swing adsorption nitrogen production equipment
  • T/QGCML 1058-2023 Twin-tower pressure swing adsorption (PSA) nitrogen production equipment
  • T/QGCML 1197-2023 93% purity pressure swing adsorption oxygen production equipment
  • T/CASME 648-2023 Energy saving pressure swing adsorption nitrogen production equipment
  • T/ZSM 0008-2022 High purity pressure swing adsorption (PSA) oxygen production equipment
  • T/CSBME 057-2022 Adsorption resin for hemoperfusion or plasma perfusion devices
  • T/SACE 019-2021 Preparation of alumina by waste alumina-based adsorbent
  • T/ZGWJHXH 40-2022 Diaphragm valve for pressure swing adsorption oxygen generator
  • T/CCSAS 033-2023 Design guideline for mechanization and automation of the absorption unit operation or adsorption unit operation
  • T/QGCML 204-2021 VOC treatment wastewater adsorption technology specification
  • T/CAEPI 62-2023 Technical requirement for solvent recovery unit by granular activated carbon adsorption - nitrogen desorption
  • T/CAEPI 61-2023 Technical requirements for solvent recovery unit by granular activated carbon adsorption - steam desorption
  • T/CAEPI 53-2022 Technical requirements for solvent recovery unit by activated carbon fiber adsorption - steam desorption
  • T/CASME 42-2022 Hydraulic centrifugal pressure vacuum pressure swing adsorption oxygen plant
  • T/CGIA 011-2019 Test method of iodine adsorption number for graphene materials
  • T/HBAS 005-2023 Sandwich ELISA Kit
  • T/CSTM 00616.1-2023 Macroporous adsorption resin— Part:1 General requirements
  • T/CI 108-2022 Adsorption compressed air dryers for compression thermal regeneration
  • T/ZZB 2743-2022 Heat of compression regeneration adsorption compressed air dryers
  • T/CAEPI 31-2021 Technical requirements for rotary zeolite adsorption and concentration device
  • T/ZZB 0582-2018 Blower purge adsorption dryer for compressed air
  • T/CIECCPA 023-2023 Carbon dioxide capture device by circulating fluidized bed adsorption
  • T/CIFST 006-2021 Detection of lactoferrin in foods —— enzyme-linked immunosorbent assay method
  • T/CSTM 00351-2021 Diatomaceous treatment agent for adsorbing and cleaning sparingly soluble or slightly soluble suspended solids in industrial wastewater
  • T/EERT 023-2022 Odor Control Technical Specification Dry Chemical Filter Material Adsorption Method
  • T/NESIF 0016-2022 General Technical Requirements for Adsorption Waste Heat Refrigeration System of Fishing Vessels
  • T/XYATB 007-2023 Determination of mycotoxin adsorption rate by attapulgite mold remover
  • T/CIECCPA 050-2023 Technical and equipment requirements for hydrolysis adsorption desulphurization of blast furnace gas
  • T/JXTX 0003-2021 Method for chemical analysis of copper concentrates-Determination of gold content -Plastic foam adsorption- Flame atomic absorption spectrometry method
  • T/LNEMA 005-2022 Determination of Monochloroethane in Ambient Air and Exhaust Gas Adsorption on Activated Carbon/Desorption of Methanol - Gas Chromatography
  • T/JSQA 039-2020 AGM (Absorptive Glass Mat) Separator of Lead Acid Battery
  • T/CPCIF 0131-2021 Technical specifications for resin adsorption of pesticide salt-containing organic wastewater

CU-NC, bet adsorption adsorption

  • NC 41-60-1988 Footwear and Leather Industry Determination of Water Vapor Absorption and Desorption Testing Methods
  • NC 41-32-8-1985 Leather. Conglomerate Determination of Water Vapor Absorption and Desorption
  • NC 42-21-1968 Absorption (Rise of water) in paper Klemm method
  • NC 42-12-1968 Water absortion in paper and board (Drop method)

HU-MSZT, bet adsorption adsorption

RU-GOST R, bet adsorption adsorption

  • GOST R 54443-2011 Sorbents for trapping radioiodine at nuclear power stations. Method for determination of sorption capacity index
  • GOST 33622-2015 Activated carbon. Standard test method for determination of sorbent performance of absorbents
  • GOST 33627-2015 Activated carbon. Standard test method for determination of sorbent performance of adsorbents
  • GOST R 54443-2011(2019) Sorbents for trapping radioiodine at nuclear power stations. Method for determination of sorption capacity index
  • GOST R 52680-2006 Adsorbed royal gelly. Specifications
  • GOST 33587-2015 Activated carbon. Standard method for determination of adsorptive capacity for adsorbates at trace concentrations
  • GOST 31767-2012 Adsorbed royal gelly. Specifications
  • GOST 16187-1970 Sorbents. Method for determination of granular composition
  • GOST 16189-1970 Sorbents. Method for reduction and dispersion of samples
  • GOST 16190-1970 Sorbents. Method for determination of bulk density
  • GOST 30036.2-1993 Concentrated kaolin. Method for determination of adsorption index
  • GOST 17080-1971 Aluminium gel adsorbat formalized sheep pox vaccine
  • GOST 33586-2015 Activated carbon. Standard method for gas-phase adsorption testing
  • GOST ISO 1304-2013 Rubber compounding ingredients. Carbon black. Determination of iodine adsorption number
  • GOST 24816-2014 Building materials. Method of equilibrium hygroscopic moisture determination
  • GOST 33588-2015 Activated carbon. Standard method for determination of adsorptive capacity
  • GOST 8719-1990 Brown coals, hard coals and anthracite. Method for determination of hygroscopic moisture
  • GOST R 51878-2002 Adsorptive gas cleaners. Safety requirements and test methods

CEN - European Committee for Standardization, bet adsorption adsorption

  • EN ISO 18417:2019 Iodine charcoal sorbents for nuclear facilities - Method for defining sorption capacity index
  • PD CEN/TS 17286:2019 Stationary source emissions - Mercury monitoring using sorbent traps

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), bet adsorption adsorption

U.S. Military Regulations and Norms, bet adsorption adsorption

Canadian General Standards Board (CGSB), bet adsorption adsorption

Professional Standard-Ships, bet adsorption adsorption

ES-UNE, bet adsorption adsorption

  • UNE-EN ISO 18417:2019 Iodine charcoal sorbents for nuclear facilities - Method for defining sorption capacity index (ISO 18417:2017) (Endorsed by Asociación Española de Normalización in July of 2019.)
  • UNE-EN ISO 18757:2005 Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of specific surface area of ceramic powders by gas adsorption using the BET method (ISO 18757:2003) (Endorsed by AENOR in December of 2005.)
  • UNE-EN ISO 12571:2022 Hygrothermal performance of building materials and products - Determination of hygroscopic sorption properties (ISO 12571:2021)
  • UNE-ISO 1304:2021 Rubber compounding ingredients. Carbon black. Determination of iodine adsorption number.
  • UNE-EN 13203-6:2023 Gas-fired domestic appliances producing hot water - Part 6: Assessment of energy consumption of adsorption and absorption heat pumps

农业农村部, bet adsorption adsorption

  • NY/T 1860.33-2016 Test Guidelines for Determination of Physicochemical Properties of Pesticides Part 33: Adsorption/Desorption

GOSTR, bet adsorption adsorption

  • GOST R 58410-2019 Iodine charcoal sorbents for nuclear facilities. Method for defining sorption capacity index
  • GOST ISO 1304-2019 Rubber compounding ingredients. Carbon black. Determination of iodine adsorption number

Professional Standard - Nuclear Industry, bet adsorption adsorption

  • EJ/T 824-2014 Radon detector with activated charcoal
  • EJ/T 824-1994 Activated carbon adsorption radon daughter gamma measuring instrument

Association of German Mechanical Engineers, bet adsorption adsorption

  • VDI 3928-2017 Waste gas cleaning by chemisorption
  • VDI 3928-1992 Waste gas cleaning by chemisorption
  • VDI 3674-1998 Waste gas cleaning by adsorption - Process and waste gas cleaning
  • VDI 3674-2013 Waste gas cleaning by adsorption - Process gas and waste gas cleaning
  • VDI 2100 Blatt 3-2011 Determination of gaseous compounds in ambient air - Determination of indoor air pollutants - Gas chromatographic determination of organic compounds - Active sampling by accumulation on adsorbents - Thermal desorption

机械工业部, bet adsorption adsorption

工业和信息化部, bet adsorption adsorption

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, bet adsorption adsorption

  • GB/T 35243-2017 Test method of evaluating the absorption property of formaldehyde absorption material for wood-based panels and finishing products
  • GB/T 32992-2016 Determination of gold adsorption capacity and rate of activated carbon
  • GB/T 34845-2017 Tissue paper—Determination of adsorbable organic halogen(AOX)
  • GB/T 34540-2017 Specification of hydrogen production by methanol reforming and pressure swing adsorption
  • GB/T 35815-2018 Test methods of wooden activated carbon—Determination of toluene adsorption
  • GB/T 35565-2017 Test methods of wooden activated carbon—Determination of formaldehyde adsorption

Professional Standard - Agriculture, bet adsorption adsorption

ES-AENOR, bet adsorption adsorption

US-FCR, bet adsorption adsorption

Standard Association of Australia (SAA), bet adsorption adsorption

European Committee for Standardization (CEN), bet adsorption adsorption

  • EN ISO 22649:2016 Footwear - Test methods for insoles and insocks - Water absorption and desorption
  • EN 1485:1996 Water Quality - Determination of Adsorbable Organically Bound Halogens (AOX)
  • FprEN ISO 12571:2021 Hygrothermal performance of building materials and products - Determination of hygroscopic sorption properties (ISO/FDIS 12571:2021)
  • prEN 29562-1992 Water quality; determination of adsorbable organic halogenss (AOX) (ISO 9562:1989)
  • EN ISO 18757:2005 Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of specific surface area of ceramic powders by gas adsorption using the BET method
  • EN 13203-6:2018 Gas-fired domestic appliances producing hot water - Part 6: Assessment of energy consumption of adsorption and absorption heat pumps
  • prEN 13203-6-2021 Gas-fired domestic appliances producing hot water - Part 6: Assessment of energy consumption of adsorption and absorption heat pumps
  • EN 13203-6:2022 Gas-fired domestic appliances producing hot water - Part 6: Assessment of energy consumption of adsorption and absorption heat pumps
  • EN 20354:1994 Acoustics - Measurement of Sound Absorption in a Reverberation Room Amendment 1: Annex D - Test Specimen Mountings for Sound Absorption Tests.

Professional Standard - Environmental Protection Certification Specification , bet adsorption adsorption

IN-BIS, bet adsorption adsorption

Fujian Provincial Standard of the People's Republic of China, bet adsorption adsorption

国家林业和草原局, bet adsorption adsorption

  • LY/T 3155-2019 Determination of benzene adsorption rate of activated carbon

Professional Standard - Light Industry, bet adsorption adsorption

  • QB/T 4980-2016 Technical requirements of special accessories for vacuum cleaner

AT-ON, bet adsorption adsorption

  • ONORM S 7014-1988 Testing ofleather; determination of water vapour adsorption Essai du cuir; determination de Vadsorption du vapeur d'eau
  • ONORM M 6275-1987 Water analysis; determination of adsorbable organic halogens (AOX)
  • OENORM EN ISO 12571:2021 Hygrothermal performance of building materials and products - Determination of hygroscopic sorption properties (ISO/DIS 12571:2020)
  • OENORM EN 13203-6-2021 Gas-fired domestic appliances producing hot water - Part 6: Assessment of energy consumption of adsorption and absorption heat pumps

API - American Petroleum Institute, bet adsorption adsorption

Danish Standards Foundation, bet adsorption adsorption

  • DS/EN ISO 18757:2006 Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of specific surface area of ceramic powders by gas adsorption using the BET method
  • DS/EN ISO 9562:2005 Water quality - Determination of adsorbable organically bound halogens (AOX)

ZA-SANS, bet adsorption adsorption

  • SANS 339:2007 Sorbents for hydrocarbon-based products
  • SANS 6243:2002 Deleterious clay content of the fines in aggregate (methylene blue adsorption indicator test)

American Society of Mechanical Engineers (ASME), bet adsorption adsorption

Professional Standard - Building Materials, bet adsorption adsorption

  • JC/T 2021-2010 Test method for adsorption capacity of mesoporous materials
  • JC/T 2062-2011 Test methods of absorptive capacity of lead and arsenic in bentonite
  • JC/T 2188-2013 Purificatory performance of adsorbing material with air purification

Professional Standard - Medicine, bet adsorption adsorption

  • YY/T 1183-2010 Detection reagent (kit) for enzyme-linked immunoabsorbent assay (ELISA)
  • YY 1290-2016 Disposable Bilirubin Plasmasorber

Professional Standard - Forestry, bet adsorption adsorption

  • LY/T 1971-2011 Activated carbon for hydrogen purification by pressure swing adsorption
  • LY/T 1786-2008 Determination on tannic value of activated carbon

Professional Standard - Hygiene , bet adsorption adsorption

  • WS/T 792-2021 Detection standard of antibody against Schistosoma japonicum—Enzyme-linked immunosorbent assay

未注明发布机构, bet adsorption adsorption

  • DIN EN ISO 12571:2000 Hygrothermal performance of building materials and products — Determination of hygroscopic sorption properties
  • BS EN ISO 9562:2004(2008) Water quality — Determination of adsorbable organically bound halogens (AOX)
  • BS EN 1485:1997 Water quality - Determination of adsorbable organically bound halogen ( AOX )
  • DIN EN ISO 12571:2022 Thermal and moisture-related behavior of building materials and building products – determination of the hygroscopic sorption properties

VN-TCVN, bet adsorption adsorption

  • TCVN 6493-2008 Water quality.Determination of adsorbable organically bound halogens (AOX)

PT-IPQ, bet adsorption adsorption

Professional Standard - Petroleum, bet adsorption adsorption

  • SY/T 0511.1-2010 Oil tank appurtenances.Part 1:Breather valve
  • SY 0511.1-2010 Petroleum storage tank accessories part 1: Breathing valves
  • SY/T 6132-1995 Volumetric method for determination of methane adsorption in coal rocks
  • SY/T 6132-2013 Determination of the methane isothermal adsorption quantity in coal.Capacity method of dry basis

SAE - SAE International, bet adsorption adsorption

Professional Standard - Textile, bet adsorption adsorption

  • FZ/T 01059-1999 Method for determination of frictional electrostatic adsorption of fabrics
  • FZ/T 01059-2014 Test method of electrostatic clinging of fabric

工业和信息化部/国家能源局, bet adsorption adsorption

  • JB/T 13172-2017 Activated carbon adsorption desulfurization and denitrification technology equipment

国家能源局, bet adsorption adsorption

  • NB/T 10117-2018 Gravimetric method for isothermal adsorption determination of shale methane
  • SH/T 0960-2017 Sampling method for catalytic cracking catalysts, auxiliaries and adsorbents
  • NB/T 14008-2015 Determination of full pore size distribution of shale combined mercury injection-adsorption method

Lithuanian Standards Office , bet adsorption adsorption

  • LST EN ISO 18757:2005 Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of specific surface area of ceramic powders by gas adsorption using the BET method (ISO 18757:2003)
  • LST EN ISO 12571:2000 Hygrothermal performance of building materials and products - Determination of hygroscopic sorption properties (ISO 12571:2000)

Professional Standard - Environmental Protection, bet adsorption adsorption

  • HJ 583-2010 Ambient air.Determination of benzene and its analogies using sorbent adsorption thermal desorption and gas chromatography
  • HJ 584-2010 Ambient air.Determination of benzene and its analogies by activated charcoal adsorption carbon disulfide desorption and gas chromatography
  • HJ 2026-2013 Technical specifications of adsorption method for industrial organic emissions treatment project
  • HJ 1214-2021 Microcoulometric method for the determination of adsorbable organic halogens (AOX) in water
  • HJ 644-2013 Ambient air.Determination of volatile organic compounds.Sorbent adsorption and thermal desorption/gas chromatography mass spectrometry method
  • HJ/T 83-2001 Water quality-Determination of adsorbable organic halogen-Ion chromatography method

KR-KS, bet adsorption adsorption

  • KS M ISO 1304-2017 Rubber compounding ingredients-Carbon black-Determination of iodine adsorption number
  • KS I ISO 9562-2023 Water quality — Determination of adsorbable organically bound halogens(AOX)

Liaoning Provincial Standard of the People's Republic of China, bet adsorption adsorption

  • DB21/T 3288-2020 Water Quality Determination of Nickel and Cobalt Adsorption and Stripping Voltammetry
  • DB21/T 1834-2010 Determination of melamine in feed by enzyme-linked immunosorbent assay

Guangdong Provincial Standard of the People's Republic of China, bet adsorption adsorption

Sichuan Provincial Standard of the People's Republic of China, bet adsorption adsorption

  • DB51/T 1702-2013 Rapid Determination of Adsorption Value of Activated Carbon Methylene Blue

交通运输部, bet adsorption adsorption

  • JT/T 1339-2020 Adsorption materials for toxic and harmful substances in water liquids

Professional Standard - Recommended Standards for Engineering Construction, bet adsorption adsorption

Professional Standard - Commodity Inspection, bet adsorption adsorption

  • SN/T 1379.1-2004 Protocol of the enzyme-linked immunosorbent assay using monoclonal antibody for the detection of antibodies against classical swine fever virus
  • SN/T 2036-2007 Protocol of enzyme-linked immunosorbent assay for bovine paratuberculosis
  • SN/T 1446.1-2004 Blocking ELISA for transmissible gastroenteritis of swine
  • SN/T 1559.3-2005 Protocol of haemadsorption test for African swine fever virus
  • SN/T 1574-2005 Protocal of enzyme-linked immunosobent assay for trichinellosis of swine
  • SN/T 1165.1-2002 Bluetongue competition enzyme-linked immunosorbent assay operating procedures
  • SN/T 1447.1-2004 Blocking ELISA for infectious pleuropneumonia of swine
  • SN/T 1575-2005 Protocol of enzyme-linked immunosorbent assay for chicken inclusive body hepatitis

Professional Standard - Railway, bet adsorption adsorption

  • TB/T 3183-2007 Absorbent Compressed Air Dryer on Locomotive and Power Car

Professional Standard - Public Safety Standards, bet adsorption adsorption

  • GA/T 854-2009 General specifications for dust marks electrostatic extractor

Professional Standard - Energy, bet adsorption adsorption

  • NB/T 10888-2021 High-pressure isothermal adsorption test method for coal—gravimetric method
  • NB/SH/T 0918-2015 Standard test method for determination of catalyst acidity by ammonia chemisorption
  • NB/T 14008-2021 Determination of Shale Total Pore Size Distribution by Mercury Injection-Adsorption Combined Method
  • NB/T 10915-2021 Technical specifications for regenerative adsorption hydrogen dryers in nuclear power plants

能源, bet adsorption adsorption

  • NB/T 10019-2015 Experimental method for multi-component gas isothermal adsorption of coal

Indonesia Standards, bet adsorption adsorption

  • SNI 13-6661-2002 Specific surface area measurement for mineral powder by nitrogen gas adsorption

Professional Standard - Coal, bet adsorption adsorption

  • MT/T 752-1997 Determine method of methane adsorption capacity in coal
  • MT/T 998-2006 Determination of saturated SO capacity absorbed of activated carbon
  • MT/T 1157-2011 Determination of Equilibrium Miosture in coal Isotherm Adsorption Method

Hunan Provincial Standard of the People's Republic of China, bet adsorption adsorption

Shandong Provincial Standard of the People's Republic of China, bet adsorption adsorption

  • DB37/T 2311-2013 Bovine tuberculosis gamma interferon ELISA
  • DB37/T 2346-2013 Determination of gold content in gold ores Adsorption on activated carbon - iodometric method

Professional Standard - Chemical Industry, bet adsorption adsorption

  • HG/T 2691-1995 Determination of Dynamic Carbon Dioxide Adsorption by Zeolite Molecular Sieves
  • HG/T 2958.10-1988 Celestite ores-Determination of hygroscopic moisture content-Gravimetric method
  • HG/T 2957.3-2004 Gravimetric method for determination of adsorbed water content in alunite ore

Guangxi Provincial Standard of the People's Republic of China, bet adsorption adsorption

  • DB45/T 1008-2014 Canine Rabies Antibody Detection Enzyme-Linked Immunosorbent Assay

国家文物局, bet adsorption adsorption

  • WW/T 0067-2015 Formaldehyde adsorption materials for environmental control of cultural relics preservation

Inner Mongolia Provincial Standard of the People's Republic of China, bet adsorption adsorption

  • DB15/T 1462-2018 Determination of gold content in polymetallic ores Polyurethane foam adsorption-flame atomic absorption spectrometry

AASHTO - American Association of State Highway and Transportation Officials, bet adsorption adsorption

  • TP6-1993 Standard Test Method for the Measurement of Initial Asphalt Adsorption and Desorption in the Presence of Moisture (Edition 1A)

TH-TISI, bet adsorption adsorption

  • TIS 1846-1999 Rubber compounding ingredients.carbon black.determination of surface area.ctab adsorption methods

YU-JUS, bet adsorption adsorption

  • JUS H.B8.616-1979 Aiuminiurn oxide primarily used for the production of aluminium. Determination of an adsorption index

TR-TSE, bet adsorption adsorption

  • TS 1872-1975 ALUMINIUM OXIDE PRIMARILY USED FOR THE PRODUCTION OF ALUMINIUM — DETERMINATION OF AN ADSORPTION INDEX

Professional Standard - Electron, bet adsorption adsorption

  • SJ/T 10272-1991 General specification for nitrogen purifier in catalyst absorption
  • SJ/T 10273-1991 General specification for hydrogen purifier in catalyst absorption

The American Road & Transportation Builders Association, bet adsorption adsorption

  • AASHTO T 85-2008 Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate

BR-ABNT, bet adsorption adsorption

  • ABNT NBR 14932-2011 Liquid petroleum products - Determination of hydrocarbon types by fluorescent indicator adsorption

Jiangxi Provincial Standard of the People's Republic of China, bet adsorption adsorption

Anhui Provincial Standard of the People's Republic of China, bet adsorption adsorption

  • DB34/T 817-2008 Determination of Diethylstilbestrol in Feed - ELISA
  • DB34/T 1374-2011 Determination of Melamine in Raw Milk Enzyme Linked immunosorbent assay

国家质量监督检验检疫总局, bet adsorption adsorption

  • SN/T 5026-2017 Determination of T-2 toxin in feed Enzyme-linked immunosorbent assay

BE-NBN, bet adsorption adsorption

  • NBN T 03-423-1983 Aluminium oxide primarily used for the production of aluminium - Determination of an adsorption index

RO-ASRO, bet adsorption adsorption

  • STAS SR ISO 1304:1995 Rubber compounding ingredients - Carbon black - Determination of iodine adsorption number - Titrimetric method

石家庄市质量技术监督局, bet adsorption adsorption





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