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How to measure carbon in water, Total:428 items.
In the international standard classification, How to measure carbon in water involves: Non-ferrous metals, Coals, Beverages, Ferrous metals, Refractories, Inorganic chemicals, Air quality, Water quality, Analytical chemistry, Construction materials, Organic chemicals, Farm buildings, structures and installations, Soil quality. Pedology, Nuclear energy engineering, Mining and quarrying, Geology. Meteorology. Hydrology, Fuels, Food products in general, Testing of metals, Sugar. Sugar products. Starch, Powder metallurgy, Rubber, Ferroalloys, Raw materials for rubber and plastics, Tobacco, tobacco products and related equipment, Electrical accessories, Laboratory medicine, Non-metalliferous minerals, Petroleum products in general, Pulps, Materials for the reinforcement of composites, Environmental protection, Radiation protection, Plastics, Power stations in general, Products of the chemical industry, Products of non-ferrous metals, Welding, brazing and soldering, Metalliferous minerals, Ceramics, Crude petroleum, Farming and forestry, Lubricants, industrial oils and related products, Products of the textile industry, Animal feeding stuffs.
KR-KS, How to measure carbon in water
Korean Agency for Technology and Standards (KATS), How to measure carbon in water
- KS D 2551-1993 Methods for determination of carbon in tantalum
- KS D 1804-2003 Determination of carbon in iron and steel
- KS D 2529-2011 Methods for determination of carbon in titanium and titanium alloys
- KS D 2584-2020 Methods for determination of carbon in zirconium and zirconium alloys
- KS D 2584-2015(2020) Methods for determination of carbon in zirconium and zirconium alloys
- KS M 2303-2014 Methods for determination of carbon disulfide in exhaust gas
- KS D 2529-2021 Methods for determination of carbon in titanium and titanium alloys
- KS D 2529-2016(2021) Methods for determination of carbon in titanium and titanium alloys
- KS D 2529-2016 Methods for determination of carbon in titanium and titanium alloys
- KS I 2208-2014 Methods for determination of carbon dioxide in air
- KS I 2208-2008 Methods for determination of carbon dioxide in air
- KS D 2584-1995 Methods for determination of carbon in zirconium and zirconium alloys
- KS D 1954-2003 Determination of carbon in copper al1oys and copper products
- KS D 1780-2011 General rules for determination of carbon in metallic materials
- KS H ISO 8454:2020 Cigarettes — Determination of carbon monoxide in the vapour phase of cigarette smoke — NDIR method
- KS H ISO 8454:2014 Cigarettes — Determination of carbon monoxide in the vapour phase of cigarette smoke — NDIR method
- KS M 7086-2006 Testing method for moisture in pulp
- KS E 3012-2017 Method for determination of combined water in iron ores
- KS E 3028-2021 Methods for determination of combined water in manganese ores
- KS D 2529-1993 Determination of carbon in titanium
- KS I 3202-2007 Testing methods for total organic carbon in highly purified water
- KS I 3213-2009 Testing methods for concentration of fine particles in highly purified water
- KS E 3012-2022 Method for determination of combined water in iron ores
- KS A 4513-2000 MEASURING METHODS OF B RADIOACTIVITY CONCENTRATION OF DRAIN WATER
- KS A 4513-1985 MEASURING METHODS OF B RADIOACTIVITY CONCENTRATION OF DRAIN WATER
- KS I 3202-2007(2017) Testing methods for total organic carbon in highly purified water
- KS D 0010-1987 Method of medium carbon FERROMANGANESE sampling for testing
- KS D 1804-1993 Determination of carbon in iron and steel
- KS D 1804-2023 Determination of carbon in iron and steel
- KS L 3413-2007 Testing method for moisture in graphite
- KS I 3216-2010(2015) Method for determination of polychlorinated biphenyl in industrial wastewater
- KS I 3216-2022 Method for determination of polychlorinated biphenyl in industrial wastewater
- KS D 0216-2001 Methods of measuring decarburized depth for steel
Japanese Industrial Standards Committee (JISC), How to measure carbon in water
- JIS H 1681:2000 Method for determination of carbon in tantalum
- JIS H 1681:1976 Methods for determination of carbon in tantalum
- JIS K 0304:1996 Methods for determination of carbon dioxide in air
- JIS H 1663:1988 Methods for determination of carbon in zirconium and zirconium alloys
- JIS H 1617:1995 Methods for determination of carbon in titanium and titanium alloys
- JIS K 0551:1994 Testing methods for total organic carbon in highly purified water
- JIS K 0098:1988 Methods for determination of carbon monoxide in flue gas
- JIS K 0091:1983 Methods for determination of carbon disulfide in exhaust gas
- JIS K 0090:1998 Method for determination of phosgene in flue gas
- JIS H 1427:1996 Methods for determination of carbon in nickel materials for electron tubes
- JIS D 1028:1983 Measuring method of carbon monoxide in automobile exhaust gas (idling)
- JIS K 0098:2016 Methods for determination of carbon monoxide in flue gas
- JIS H 1275:1998 Methods for determination of carbon in nickel and nickel alloys
- JIS K 0091:1998 Methods for determination of carbon disulfide in flue gas
- JIS H 1275:1988 Methods for determination of carbon in nickel and nickel alloy castings
- JIS K 0098:1998 Methods for determination of carbon monoxide in flue gas
- 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
- JIS K 0556:1995 Testing methods for determination of anions in highly purified water
- JIS K 2270:1990 Crude petroleum and petroleum products -- Determination of carbon residue
- JIS G 0558:1977 Methods of measuring decarburized depth for steel
- JIS M 8231:1982 Methods for determination of combined water in manganese ores
- JIS D 1030:1995 Analytical procedure for continuous measurement of carbon monoxide, carbon dioxide and hydrocarbon in automobile exhaust gas
Professional Standard - Coal, How to measure carbon in water
- MT 257-1991 Determination method of free carbon dioxide in coal mine water
- MT/T 257-2000 Determination method of free carbon dioxide in coal mine water
- MT/T 367-1994 Determination method of aggressive carbon dioxide in coal mine water
- MT/T 893-2000 Determination of bromine in coal mine water
- MT/T 891-2000 Determination of boron in coal mine water
- MT/T 890-2000 Determination of lithium in coal mine water
- MT/T 359-2005 Determination of arsenic in coal mine water
- MT/T 359-1994 Determination method of arsenic in coal mine water
- MT/T 256-2000 Measuring method of pH value in coal mine water
- MT/T 806-1999 Determination of trace oil in groundwater from coal mines
- MT/T 742.1-1997 Determination of total chrominum in mine water
- MT/T 743.1-2011 Determination of total phosphorus in mine water
- MT/T 742.1-2011 Determination of total chrominum in mine water
- MT/T 743.1-1997 Determination of total phosphorus in mine water
- MT/T 201-1995 Determination method of chloride ion in coal mine water
- MT 254-1991 Determination method of ammonium ion in coal mine water
- MT/T 360-1994 Determination method of fluoride ion in coal mine water
- MT/T 370-1994 Determination method of dissolved oxygen in coal mine water
- MT/T 371-2005 Determination of sulfion in coal mine water
- MT/T 367-2007 Determination of erosive carbon dioxide in coal mine water
- MT/T 254-2000 Determination method of ammonium ion in coal mine water
- MT/T 742.2-1997 Determination of chrominum(Ⅵ) in mine water
- MT/T 368-1994 Determination method of iron ion in coal mine water
- MT/T 373-2005 Determination of aluminum ion in coal mine water
- MT/T 805-1999 Determination on the SS of water in coal mines
- MT/T 360-2005 Determination of fluorine ion in coal mine water
- MT/T 742.2-2011 Determination of chrominum(VI) in mine water
- MT/T 892-2000 Determination of iodide ions in coal mine water
- MT/T 368-2005 Determination of iron ion in coal mine water
- MT/T 202-1995 Determination method of calcium ion in coal mine water
- MT/T 373-1994 Determination method of aluminum ion in coal mine water
- MT/T 743.2-1997 Determination of phosphorus in phosphate in mine water
- MT/T 802.3-1999 Determination of total carbon of pyrite and concentrated pyrite in coal seam
- MT/T 372-1994 Determination method of sulfur ion in coal mine water - iodometric method
- MT/T 743.3-1997 Determination of phosphorus in hydrolysable phosphate in mine water
- MT/T 743.3-2011 Determination of phosphorus in hydrolysable phosphate in mine water
- MT/T 481-1995 Determination method of chloride ion in acid water of coal mine
- MT/T 205-1995 Determination method of sulfate ion content in coal-mine water
- MT/T 366-1994 Determination method of soluble solids in coal mine water
- MT/T 486-1995 Determination method of magnesium ion in acid water of coal mine
- MT/T 485-1995 Determination method of calcium ion in acid water of coal mine
- MT/T 253-2000 Determination method of nitrate ion in coal mine water
- MT/T 484-1995 Determination method of aluminum ion in acid water of coal mine
- MT 253-1991 Determination method of nitrate ion in coal mine water
- MT/T 483-1995 Determination method of iron ion in acid water of coal mine
- MT 137.1-1986 Harmful gas existing in mine air Detection method of carbon monoxide
- MT/T 369-1994 Determination method of chemical oxygen demand in coal mine water
- MT/T 205-2011 Determination of sulphate radical hydronium in coal-mine water
- MT/T 743.2-2011 Determination of phosphorus in orthophosphate in mine water
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, How to measure carbon in water
- GB/T 476-2008 Determination of carbon and hydrogen in coal
- GB/T 12143.4-1992 Method for determination of carbondioxide in carbonated soft drink
- GB/T 11446.8-2013 Test method for total organic carbon in electronic grade water
- GB/T 11446.8-1997 Test method for total organic carbon in electronic grade water
- GB/T 218-1996 Determination of carbon dioxide content in the mineral carbonates associated with coal
- GB/T 9489.8-1988 Methods for determination of carbon and sulphur in alundum powder
- GB/T 14326-2009 Determination of carbon disulfide content in benzene
- GB/T 14326-1993 Determination of carbon disulfide content in benzene
- GB/T 15460-2003 Determination of carbon and hydrogen in coal--Coulometric and gravimetric method
- GB/T 11848.5-1999 Determination of carbonate in uranium ore concentrate by titration in non-aqueous solvent
- GB/T 211-2017 Determination of total moisture in coal
- GB/T 211-1996 Determination of total moisture in coal
- GB/T 14769-1993 Method for determination of moisture in foods
- GB/T 211-2007 Determination of total moisture in coal
- GB/T 18932.1-2002 Method for the determination of C-4 plant sugars in honey--Stable carbon isotope ratio method
- GB/T 28734-2012 Determination of carbon and hydrogen in solid biofuels
- GB/T 32116-2015 Determination of total organic carbon (TOC) in industrial circulating cooling water
- GB/T 30733-2014 Determination of total carbon, hydrogen and nitrogen content in coal.Instrumental method
- GB/T 18856.11-2002 Test methods for quality of coal water mixture--Part 11: Determination of carbon and hydrogen in coal water mixture
- GB/T 18204.23-2000 Methods for determination of carbon monoxide in air of public places
- GB/T 16484.15-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of chlorine content in rare earth carbonate
- GB/T 18204.29-2000 Method for determination of urea in water of swimming place
- GB/T 16484.17-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of water content in rare earth carbonate
- GB/T 16484.16-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of water insoluble matter content in rare earth carbonate
- GB/T 43875-2024 Determination method of total chromium in cement raw materials
- GB/T 13302-1991 Steel.Determination of area content of graphite-micrographic method using diagrams
- GB 31893-2015 Limit and Determination Method of Water Soluble Chromium(Ⅵ) in Cement
- GB/T 19276.2-2003 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium--Method by analysis of evolved carbon dioxide
- GB/T 13302-1991(英文版) Microscopic evaluation method of graphite carbon in steel
American Society for Testing and Materials (ASTM), How to measure carbon in water
- ASTM D2579-93e1 Standard Test Method for Total Organic Carbon in Water
- ASTM D7573-18a Standard Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection
- ASTM D7573-09(2017) Standard Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection
- ASTM D7573-18ae1 Standard Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection
- ASTM D7573-18 Standard Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection
- ASTM E1821-08(2020) Standard Test Method for Determination of Carbohydrates in Biomass by Gas Chromatography
- ASTM D6317-15(2024) Standard Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM D1756-96(2000) Standard Test Method for Determination as Carbon Dioxide of Carbonate Carbon in Coal
- ASTM D1756-96 Standard Test Method for Determination as Carbon Dioxide of Carbonate Carbon in Coal
- ASTM D1756-02 Standard Test Method for Determination as Carbon Dioxide of Carbonate Carbon in Coal
- ASTM D6317-98(2009) Standard Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM D4744-89(1995)e1 Standard Test Method for Organic Halides in Water by Carbon Adsorption-Microcoulometric Detection
- ASTM E1821-24 Standard Test Method for Determination of Carbohydrates in Biomass by Gas Chromatography
- ASTM D5173-97(2001) Standard Test Method for On-Line Monitoring of Carbon Compounds in Water by Chemical Oxidation, by UV Light Oxidation, by Both or by High Temperature Combustion Followed by Gas Phase NDIR or by Electr
- ASTM D6317-98(2004) Standard Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM D6317-98 Standard Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM D1756-02(2007) Standard Test Method for Determination as Carbon Dioxide of Carbonate Carbon in Coal
- ASTM E1821-08 Standard Test Method for Determination of Carbohydrates in Biomass by Gas Chromatography
- ASTM E1821-96 Standard Test Method for Determination of Carbohydrates in Biomass by Gas Chromatography
- ASTM E1821-01 Standard Test Method for Determination of Carbohydrates in Biomass by Gas Chromatography
- ASTM E1821-08(2015) Standard Test Method for Determination of Carbohydrates in Biomass by Gas Chromatography
- ASTM E1821-01(2007) Standard Test Method for Determination of Carbohydrates in Biomass by Gas Chromatography
- ASTM E1758-01(2020) Standard Test Method for Determination of Carbohydrates in Biomass by High Performance Liquid Chromatography
- ASTM E1758-24 Standard Test Method for Determination of Carbohydrates in Biomass by High Performance Liquid Chromatography
- ASTM E1758-95e1 Standard Test Method for Determination of Carbohydrates in Biomass by High Performance Liquid Chromatography
- ASTM E1758-01(2007) Standard Test Method for Determination of Carbohydrates in Biomass by High Performance Liquid Chromatography
- ASTM D5373-14 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
- ASTM E1568-13 Standard Test Method for Determination of Gold in Activated Carbon by Fire Assay Gravimetry
- ASTM D5373-14e1 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
- ASTM D5373-13 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
- ASTM D412-06ae1 Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomersx2014;Tension
- ASTM E1758-01 Standard Test Method for Determination of Carbohydrates in Biomass by High Performance Liquid Chromatography
- ASTM D4944-98 Standard Test Method for Field Determination of Water (Moisture) Content of Soil by the Calcium Carbide Gas Pressure Tester Method
- ASTM E1758-01(2015) Standard Test Method for Determination of Carbohydrates in Biomass by High Performance Liquid Chromatography
- ASTM D4129-98 Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection
- ASTM D412-98a(2002)e1 Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers8212;Tension
- ASTM D7771-17a Standard Test Method for Determination of Benzo-&x3b1;-Pyrene (BaP) Content in Carbon Black
- ASTM D4129-98(2003) Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection
- ASTM D5904-02 Standard Test Method for Total Carbon, Inorganic Carbon, and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM D5904-02(2009) Standard Test Method for Total Carbon, Inorganic Carbon, and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM D7771-11 Standard Test Method for Determination of Benzo-x03B1;-Pyrene (BaP) Content in Carbon Black
- ASTM D5904-96 Standard Test Method for Total Carbon, Inorganic Carbon, and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM D6317-15 Standard Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM D5029-98(2014) Standard Test Method for Water Solubles in Activated Carbon
- ASTM D5029-98(2009) Standard Test Method for Water Solubles in Activated Carbon
- ASTM D7662-15(2020) Standard Test Method for Carbon Content in Carbon Black Feedstock Oils
- ASTM D5029-98 Standard Test Method for Water Solubles in Activated Carbon
- ASTM D5373-93(1997) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
- ASTM D5373-93(2002) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
- ASTM D5373-16 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
- ASTM D5029-98(2004) Standard Test Method for Water Solubles in Activated Carbon
- ASTM D2791-93(2001) Standard Test Methods for Continuous Determination of Sodium in Water
- ASTM D2791-19 Standard Test Method for On-Line Determination of Sodium in Water
- ASTM D5373-02 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
- ASTM D5373-02(2007) Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
- ASTM D4129-05(2020) Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection
- ASTM E2050-17 Standard Test Method for Determination of Total Carbon in Mold Powders by Combustion
- ASTM E1568-03 Standard Test Method for the Determination of Gold in Activated Carbon by Fire Assay Gravimetry
- ASTM D513-92(1996) Standard Test Methods for Total and Dissolved Carbon Dioxide in Water
- ASTM D4839-03(2024) Standard Test Method for Total Carbon and Organic Carbon in Water by Ultraviolet, or Persulfate Oxidation, or Both, and Infrared Detection
- ASTM D5811-00 Standard Test Method for Strontium-90 in Water
- ASTM D5811-08 Standard Test Method for Strontium-90 in Water
- ASTM D4129-05(2013) Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection
- ASTM D4129-05(2012) Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection
- ASTM D4129-05 Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection
- ASTM D7923-19 Standard Test Method for Water in Ethanol and Hydrocarbon Blends by Karl Fischer Titration
- ASTM D7923-17ae1 Standard Test Method for Water in Ethanol and Hydrocarbon Blends by Karl Fischer Titration
- ASTM D7923-17 Standard Test Method for Water in Ethanol and Hydrocarbon Blends by Karl Fischer Titration
- ASTM D513-16 Standard Test Methods for Total and Dissolved Carbon Dioxide in Water
- ASTM D7923-16 Standard Test Method for Water in Ethanol and Hydrocarbon Blends by Karl Fischer Titration
- ASTM D4766-98(2009)e1 Standard Test Method for Vinyl Chloride in Workplace Atmospheres (Charcoal Tube Method)
- ASTM D4373-02 Standard Test Method for Rapid Determination of Carbonate Content of Soils
- ASTM D4779-93 Standard Test Method for Total, Organic, and Inorganic Carbon in High Purity Water by Ultraviolet (UV) or Persulfate Oxidation, or Both, and Infrared Detection
- ASTM D5373-21 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
- ASTM D4373-14 Standard Test Method for Rapid Determination of Carbonate Content of Soils
- ASTM D2425-23 Standard Test Method for Hydrocarbon Types in Middle Distillates by Mass Spectrometry
- ASTM D2907-97 Standard Test Methods for Microquantities of Uranium in Water by Fluorometry
- ASTM D513-02 Standard Test Methods for Total and Dissolved Carbon Dioxide in Water
- ASTM D513-11e1 Standard Test Methods for Total and Dissolved Carbon Dioxide in Water
- ASTM D2791-13 Standard Test Method for On-line Determination of Sodium in Water
- ASTM D8361-20 Standard Test Method for Total Organic Carbon in Water by Two Stage Wet Chemical Catalyzed Hydroxyl Radical Oxidation with Infra-Red Detection of Resulting Carbon Dioxide
- ASTM D4006-22 Standard Test Method for Water in Crude Oil by Distillation
- ASTM D5904-02(2017) Standard Test Method for Total Carbon, Inorganic Carbon, and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM D4006-11(2012) Standard Test Method for Water in Crude Oil by Distillation
- ASTM D4006-11(2012)e1 Standard Test Method for Water in Crude Oil by Distillation
- ASTM D5982-15 Standard Test Method for Determining Cement Content of Fresh Soil-Cement (Heat of Neutralization Method)
未注明發(fā)布機構(gòu), How to measure carbon in water
- ASTM RR-D19-1199 2018 D7573-Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection
- ASTM RR-D19-1180 2009 D7573-Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection
- ASTM RR-D02-1839 2016 D7923-New Test Methods for Water in Ethanol and Hydrocarbon Blends by Karl Fischer Titration
- ASTM RR-D19-1156 1997 D5904-Test Method for Total Carbon, Inorganic Carbon, and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- ASTM RR-D05-1023 1998 D6316-Test Method for Determination of Total, Combustible and Carbonate Carbon in Solid Residues from Coal and Coke
- ASTM RR-D05-1048 2016 D5373-Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
- ASTM RR-D05-1046 2013 D5373-Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
- ASTM RR-D19-1184 2005 D7168-Test Method for 99Tc in Water by Solid Phase Extraction Disk
- ASTM RR-D19-1162 1998 D3977-Test Methods for Determining Sediment Concentration in Water Samples
- ASTM RR-D02-1246 1989 D4928-Test Method for Water in Crude Oils by Coulometric Karl Fischer Titation
Liaoning Provincial Standard of the People's Republic of China, How to measure carbon in water
- DB21/T 2071-2013 Determination method of total carbon in magnesia carbonaceous refractories
European Committee for Standardization (CEN), How to measure carbon in water
- EN 196-21:1989 Methods of testing cement; determination of the chloride, carbon dioxide and alkali content of cement
- CEN/TR 17365:2019 Method for the determination of C3A in the clinker from cement analysis
RU-GOST R, How to measure carbon in water
- GOST 31958-2012 Water. Methods for determination of total and dissolved organic carbon
- GOST R 52991-2008 Water. Methods for determination of total and dissolved organic carbon
- GOST 26424-1985 Soils. Method for determination of carbonate and bicarbonate ions in water extract
- GOST 14338.1-1982 Molybdenum. Methods for determination of carbon
- GOST 14339.1-1982 Tungsten. Methods for the determination of carbon
- GOST 741.3-1980 Cobalt. Method for the determination of carbon
- GOST 31957-2012 Water. Methods for determination of alkalinity and mass concentration of carbonates and hydrocarbonates
- GOST 13047.6-2014 Nickel. Cobalt. Method for determination of carbon
- GOST 16412.7-1991 Iron powder. Methods for the determination of carbon
- GOST R 52963-2008 Water. Methods for determination of alkalinity, and mass concentration of carbonates and hydrocarbonates
- GOST 10671.8-1974 Reagents. Method for the determination of carbonates
- GOST 2604.1-1977 Alloy cast iron. Methods for determination of carbon
- GOST R ISO 10548-2012 Carbon fibre. Methods for determination of size content
- GOST 11930.1-1979 Hard-facing materials. Methods of carbon determination
- GOST R ISO 10119-2012 Carbon fibre. Methods for determination of density
- GOST 1763-1968 Steel. Methods for determination of decarbonized layer depth
- GOST 26176-1991 Fodders, mixed feeds. Methods for determination of soluble and hidrolysable carbohydrates
- GOST 12596-1967 Activated carbons. Method for the determination of ash content
- GOST 2082.15-1981 Molibdenum concentrates. Methods for the determination of carbon content
- GOST 10679-2019 Liquefied hydrocarbon gases. Method for determination of the hydrocarbon compound
SCC, How to measure carbon in water
- BS EN 196-21:1992 Methods of testing cement-Determination of the chloride, carbon dioxide and alkali content of cement
- UNE 80217:1991 METHODS OF TESTING CEMENT. DETERMINATION OF THE CHLORIDE, CARBON DIOXIDE AND ALCALI CONTENT OF CEMENT.
- BS 6617-2:1987 Determination of decarburization in steel-Methods for determining decarburization by chemical and spectrographic analysis techniques
- BS 6617-1:1985 Determination of decarburization in steel-Methods for determining decarburization by microscopic and micro-hardness techniques
- DANSK DS/ISO/TS 22491:2019 Water pipe tobacco – Determination of carbon monoxide in the vapour phase of water pipe tobacco smoke – NDIR method
- AS K1.2:1951 Methods for the analysis of steel, Part 2: The determination of carbon in steel and low-carbon ferro-chromium
- NS-EN 196-21:1989 Methods of testing cement — Part 21: Determination of the chloride, carbon dioxide and alkali content of cement
- AWPA A67-12 Standard Method for Determination of Carbonate in Ammoniacal Copper Zinc Arsenate
- AWPA A67-18 Standard Method for Determination of Carbonate in Ammoniacal Copper Zinc Arsenate
- BS PD ISO/TS 22491:2019 Water pipe tobacco. Determination of carbon monoxide in the vapour phase of water pipe tobacco smoke. NDIR method
- UNE 80290:2005 Methods of testing cement. Determination of the water-soluble chromium (VI) content of cement.
- AWWA WQTC50448 New Methods for the Determination of Chlorine Species in Drinking Water
- DANSK DS/CEN/TR 17365:2019 Method for the determination of C3A in the clinker from cement analysis
- SN-CEN/TR 17365:2019 Method for the determination of C3A in the clinker from cement analysis
- BS PD CEN/TR 17365:2019 Method for the determination of C3A in the clinker from cement analysis
- DANSK DS/EN 17181:2019 Lubricants – Determination of aerobic biological degradation of fully formulated lubricants in an aqueous solution – Test method based on CO2-production
- BS 4385:1969 Method for determination of water content of petroleum products (Dean and Stark method)
- AS K1.4:1951 Methods for the sampling and analysis of iron steel, Part 4: The determination of phosphorus in carbon steels
NL-NEN, How to measure carbon in water
- NEN-EN 196-21-1993 Methods of testing cement. Determination of the chloride, carbon dioxide and alkali content of cement
- NEN 6681-1981 Waste water - Volumetric determination of carbon dioxide and oxygen in gases
- NEN 6532-1986 Water - Titrimetric determination of the content of hydrogen carbonate, carbonate and hydroxide in water with a pH higher than 8,35
Association Francaise de Normalisation, How to measure carbon in water
- NF P15-478:1990 Methods of testing cement. Determination of the chloride, carbon dioxide and alkali content of cement.
- NF EN 13577:2007 Chemical attack on concrete - Determination of the aggressive carbon dioxide content of water
- XP T90-319:1995 Testing waters - Evaluation in an aqueous medium of biodegradable dissolved organic carbon - Method using fixed bacteria
- NF ISO 13168:2015 Water quality - Simultaneous determination of the volume activities of tritium and carbon 14 - Method by counting scintillations in a liquid medium
中華人民共和國國家質(zhì)量監(jiān)督檢驗檢疫總局、中國國家標(biāo)準(zhǔn)化管理委員會, How to measure carbon in water
- GB/T 35151-2017 Determination of total organic carbon in limestone
- GB/T 218-2016 Determination of the carbonate carbon dioxide content in coal
- GB/T 35984-2018 Determination of total carbon, combustible carbon and carbonate carbon in solid residues from coal and coke
Professional Standard - Building Materials, How to measure carbon in water
- JC/T 2783-2023 Method for determination of silicon carbide content in graphite
- JC/T 668-1997 Test method for calcium sulfate in hydrated cement mortar
SE-SIS, How to measure carbon in water
- SIS SS 02 81 99-1990 Guidelines for the determination of total organic carbon (TOC) in water
- SIS SS 13 42 13-1990 Methods of testing cement — Determination of the chloride, carbon dioxide and alkali content of cement
- SIS SS 02 81 04-1991 Determination of organically bound chlorine in waste waters by the AOXmethod
SG-SPRING SG, How to measure carbon in water
- SS 397-21 AMD 1-1997 METHODS OF TESTING CEMENT - PART 21: DETERMINATION OF THE CHLORIDE, CARBON DIOXIDE AND ALKALI CONTENT OF CEMENT
- SS 397 Pt.21-1997 METHODS OF TESTING GEMENT-PART 21:DETERMINATION OF THE CHLORIDE,CARBON DIOXIDE AND ALKALI CONTENT OF CEMENT AMENDMENT NO.1
Anhui Provincial Standard of the People's Republic of China, How to measure carbon in water
- DB34/T 2135-2014 Determination method of carbon, hydrogen and nitrogen in coal thermal conductivity method
- DB34/T 2004-2013 Determination method of lactic acid in yellow pulp water
- DB34/T 3069-2017 Method for Determination of Hydrocarbons in Solid Biomass Fuels-Electrogravimetric Method
Professional Standard - Geology, How to measure carbon in water
- DZ/T 0184.21-1997 Determination of Oxygen Isotopes in Natural Water by Carbon Dioxide Water Balance Method
- DZ/T 0064.49-1993 Groundwater quality testing methods Titrimetric determination of carbonate, bicarbonate and hydroxide
- DZ/T 0064.47-1993 Groundwater Quality Testing Method Titration Determination of Free Carbon Dioxide
- DZ/T 0064.48-1993 Groundwater Quality Testing Method Titration Determination of Aggressive Carbon Dioxide
- DZ/T 0064.49-2021 Analytical methods for groundwater quality - Part 49: Determination of carbonate, bicarbonate and hydroxide ions by titration
- DZ/T 0064.77-1993 Groundwater Quality Examination Methods Carbon Dioxide-Water Balance Method Determination of Oxygen Isotopes
- DZ/T 0064.47-2021 Analytical methods for groundwater quality - Part 47: Titrimetric method for the determination of free carbon dioxide
- DZ/T 0064.48-2021 Analytical methods of groundwater quality - Part 48: Titration method for the determination of aggressive carbon dioxide
Indonesia Standards, How to measure carbon in water
- SNI 13-4720-1998 Methods for determination of organic carbon content in soils
- SNI 06-6852-2002 Calculation methods of sodium carbonate residue in water
- SNI 06-6989.28-2005 Water and wastewater - Part 28: Test methods of total organic carbon (TOC)
- SNI 13-4719-1998 Methods for moisture determination of soils
- SNI 07-6588-2001 Determination of carbon content in metals by gravimetric
- SNI 06-6601-2001 Methods for determination of sulphate in water by residue draining in gravimetric methods
- SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
- SNI 06-4159-1996 Test methods for carbon chloroform extract content in water by gravimetric methods
ES-AENOR, How to measure carbon in water
- UNE 80-217-1991 Methods of testing cement. Determination of the chloride, carbon dioxide and alcali content of cement
- UNE 55-813-1984 Photometric determination of the carbohydrate content of ethanol in detergent formulation raw materials
- UNE 80-118-1986 Test methods for cement. Semi-adiabatic method for determination of heat of hydration in physical testing of cement (Langerfarter calorimetry)
- UNE 80-113-1986 Test methods for cement. Determination of high-pressure expansion in cement physical testing
- INTA 11 03 11 Determination of combined carbon in steel
RO-ASRO, How to measure carbon in water
- STAS 8581-1970 SURFACE AND WASTE WATERS Carbon disulfide determination
- STAS SR EN 196-21-1989 Methods of testing cement - Determination of the chloride, carbon dioxide and alkali content of cement
PL-PKN, How to measure carbon in water
- PN C04547 ArkusZ01-1974 Water and waste water Tests for carbon dioxide Determination ot free carbon dioxide in water
- PN C04547 ArkusZ03-1974 Water and waste water Tests for carbon diox?de Determination of aggressivecarbon dioxide in water
- PN C04596-02-1990 Water and waste water Tests for zinc Determination of zinc by zincon method
- PN C04633-02-1987 Water and waste water Test for carbon Determination of total inorganic and organie carbon unsing gas-chromatography method
Professional Standard - Agriculture, How to measure carbon in water
- GB/T 5009.3-1985 Method for Determination of Moisture in Food
- 101藥典 四部-2015 0600 Determination of physical constants 0682 Determination of total organic carbon in pharmaceutical water
- 82藥典 四部-2020 0600 Determination of physical constants 0682 Determination of total organic carbon in pharmaceutical water
- 2348藥典 二部-2010 Appendix VIII R Determination of Total Organic Carbon in Pharmaceutical Water
- GB/T 2444-1991 Determination of moisture in urea Karl Fischer method
- 水和廢水監(jiān)測分析方法 5.2.8-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter Two Bacteriological Determination in Water Eight Determination of Faecal Streptococcus in Water (B)
- 水和廢水監(jiān)測分析方法 5.2.4-2003 Chapter 5 Water and Wastewater Biological Monitoring Methods Chapter 2 Bacteriological Determination in Water 4 Determination of Total Bacteria in Water (B)
Professional Standard - Ocean, How to measure carbon in water
- HY/T 150-2013 Determination of organic carbon in sea water by nondispersive infrared absorption spectrometry
煤炭工業(yè)部, How to measure carbon in water
- MT/T 742-1997 Determination method of chromium in coal mine water
- MT/T 743-1997 Determination method of phosphorus in coal mine water
- ZB 21003-1990 Method for determination of total carbon content in coal-bearing pyrite and sulfide concentrates
YU-JUS, How to measure carbon in water
- JUS B.B8.085-1982 Calcium carbonatepigments. Testing methods. Determination absorbtion water
British Standards Institution (BSI), How to measure carbon in water
- BS EN 196-21:1992(1999) Methods of testing cement — Part 21 : Determination of the chloride, carbon dioxide and alkali content of cement
- ASTM D5904-02(2024) Standard Test Method for Total Carbon, Inorganic Carbon, and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
- PD ISO/TS 22491:2019 Water pipe tobacco. Determination of carbon monoxide in the vapour phase of water pipe tobacco smoke. NDIR method
- BS EN 25814:1992 Method for determination of dissolved oxygen in water: electrochemical probe method
- BS EN 196-10:2016 Methods of testing cement. Determination of the water-soluble chromium (VI) content of cement
- BS 6043-1.2:1981 Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch. Determination of water content (Dean and Stark method)
- BS 6043-2.16:1998 Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode coke. Determination of water content of calcined coke
- BS EN 17181:2019 Lubricants. Determination of aerobic biological degradation of fully formulated lubricants in an aqueous solution. Test method based on CO2-production
- BS 7755-3.6:1995 Soil quality. Chemical methods. Determination of phosphorus. Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution
- BS PD CEN/TS 16640:2014 Bio-based products. Determination of the bio based carbon content of products using the radiocarbon method
- BS EN ISO 14852:1999 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium - Method by analysis of evolved carbon dioxide
- BS EN ISO 14852:2018 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium. Method by analysis of evolved carbon dioxide
- BS 6070-4:1981 Methods of sampling and test for sodium carbonate for industrial use. Determination of matter insoluble in water
Professional Standard - Nuclear Industry, How to measure carbon in water
- EJ/T 545-1991 Determination of Moisture in Ammonium Uranyl Tricarbonate Karl Fischer Titration
- EJ/T 20154-2018 Determination of sulfur, total carbon, organic carbon and inorganic carbon in uranium ore by infrared absorption method
Professional Standard - Non-ferrous Metal, How to measure carbon in water
- YS/T 987-2014 Test method for measuring carbon containing compound in chlorosilane.Determination of methyldichlorosilane
- YS/T 226.14-1994 Determination of carbon content in selenium (combustion conductometric method)
- YS/T 422.2-2000 Methods for chemical analysis of chromium carbide.Determination of total carbon content
GOST, How to measure carbon in water
- GOST R 70209-2022 Solid mineral fuel. Methods for the determination of content of the carbon dioxide of carbonates
Professional Standard - Commodity Inspection, How to measure carbon in water
Group Standards of the People's Republic of China, How to measure carbon in water
- T/QAS 048-2021 Volumetric Method for Determination of Carbonate and Bicarbonate in Brine
- T/SXCIES 002-2020 Crude benzol- Determination of moisture content
- T/NAIA 0156-2022 Coulometric method for determination of total sulfur in carburant
- T/CI 313-2024 Determination of lithium carbonate content in lithium carbonate-potentiometric titration
- T/DALN 015-2021 Determination of Carbohydrates in Total Mixed Diet for Dairy Cows
Professional Standard - Petrochemical Industry, How to measure carbon in water
- SH/T 1144-1992 Determination of trace water in cracked carbon four for industrial use (Karl Fischer method)
CZ-CSN, How to measure carbon in water
AT-ON, How to measure carbon in water
- ONORM EN 196-21-1992 Methods of testing cement - Determination of the Chloride, carbon dioxide and alkali content of cement
Professional Standard - Machinery, How to measure carbon in water
- JB/T 4107.7-1999 Chemical analyse method for electrical contact materials.Determination of carbon content in the silver - graphite ( Determine carbon content by the gas volumetry method)
- JB/T 6647-1993 Determination of total carbon content in carbide Gas volumetric method
- JB/T 6647-2011 The gas-volumetric method after combustion in the pipe furnace for the determination of total carbon content.Method for chemical analysis of carbonate
Professional Standard - Hygiene , How to measure carbon in water
- WS/T 41-1996 Exhaled air.determination of carbon disulfide.Gas chromatographic method
- WS/T 42-1996 Blood.Determination of carboxyhemoglobin.Spectrophotometric method
- WS/T 173-99 Gas chromatography method for determination of carbon monoxide in workplace air
- WS/T 173-1999 Workplace air.Determination of carbon monoxide.Gas chromatographic method
Professional Standard - Chemical Industry, How to measure carbon in water
- HG/T 3536-1985 Industrial circulating cooling water-Determination of carbon dioxide for sludge and corrosion products
- HG/T 3536-2011 Industrial circulating cooling water. Determination of carbon dioxide for sludge and corrosion products
- HG/T 3536-2003 Industrial circulating cooling water-Determination of carbon dioxide for sludge and corrosion products
- HG/T 4552.1~4552.3-2013 Determination method of tin content in tin stripping wastewater (2013)
- HG 5-1607-1985 Determination of carbon dioxide content in industrial circulating cooling water fouling and corrosion products
中華人民共和國國家衛(wèi)生和計劃生育委員會, How to measure carbon in water
CEN - European Committee for Standardization, How to measure carbon in water
FI-SFS, How to measure carbon in water
- SFS 3861-1978 Determining the content of water vapor in the air at the workplace using the carbon tube method
TR-TSE, How to measure carbon in water
- TS 652-1968 DETERMINATION OF CARBON AND HYDROGEN ?N COAL AND COKE BY THE HIGH TEMPERATURE COMBUSTION METHOD
American National Standards Institute （ANSI), How to measure carbon in water
Professional Standard - Speciality, How to measure carbon in water
- ZB D21003-1990 Method for Determination of Total Carbon in Coal Measures Pyrite and Pyrite Concentrate
BELST, How to measure carbon in water
- STB 17.1.4.01-2000 Nature protection. Hydrosphere. General requirements to definition methods of hydrocarbon in natural and waste water
GSO, How to measure carbon in water
- GSO ISO 746:2016 Sodium carbonate for industrial use -- Determination of matter insoluble in water at 50 degrees C
- BH GSO ISO 746:2017 Sodium carbonate for industrial use -- Determination of matter insoluble in water at 50 degrees C
- OS GSO ISO 746:2016 Sodium carbonate for industrial use -- Determination of matter insoluble in water at 50 degrees C
- GSO 1238:2002 Methods of test for sulphur determination of total carbon content
- GSO CEN/TR 17365:2021 Method for the determination of C3A in the clinker from cement analysis
- BH GSO CEN/TR 17365:2022 Method for the determination of C3A in the clinker from cement analysis
- GSO 1240:2002 Methods of test for sulphur determination of carbonate content
AENOR, How to measure carbon in water
- UNE 7331:1975 DETERMINATION OF LOW CARBON CONTENTS IN STEELS. VOLUMETRIE METOD.
AASHTO - American Association of State Highway and Transportation Officials, How to measure carbon in water
- T 217-1987 Standard Method of Test for Determination of Moisture in Soils by Means of a Calcium Carbide Gas Pressure Moisture Tester
- T 217-2002 Standard Method of Test for Determination of Moisture in Soils by Means of a Calcium Carbide Gas Pressure Moisture Tester
- T 217-2014 Standard Method of Test for Determination of Moisture in Soils by Means of a Calcium Carbide Gas Pressure Moisture Tester
- T 217-2013 Standard Method of Test for Determination of Moisture in Soils by Means of a Calcium Carbide Gas Pressure Moisture Tester
Professional Standard - Electricity, How to measure carbon in water
- DL/T 1358-2014 Analytical methods of steam and water in power plants determination of total organic carbon
The American Road & Transportation Builders Association, How to measure carbon in water
- AASHTO T 217-2013 Standard Method of Test for Determination of Moisture in Soils by Means of a Calcium Carbide Gas Pressure Moisture Tester
- AASHTO T 217-2014 Standard Method of Test for Determination of Moisture in Soils by Means of a Calcium Carbide Gas Pressure Moisture Tester
- AASHTO T 217-2002(R2006) Standard Method of Test for Determination of Moisture in Soils by Means of a Calcium Carbide Gas Pressure Moisture Tester
VN-TCVN, How to measure carbon in water
- TCVN 3855-1983 Ferrochrome.Method for the determination of carbon content
- TCVN 3870-1983 Ferromanganese.Method for the determination of carbon content
- TCVN 4151-1985 Ferrosilicon.Method for determination of carbon
- TCVN 3862-1983 Ferrotitanium.Methods for the determination of carbon content
- TCVN 2321-1978 Reagents.Methods for the determination of carbonates
- TCVN 5285-1990 Animal feeding stuffs.Method for determination of soluble and hydrolysable carbohydrates content by antrone reagent
Professional Standard - Customs, How to measure carbon in water
- HS/T 29-2010 Quantitative analysis of the content of carbon in carbon fiber method by high frequency infrared carbon sulphur analyzer
International Organization for Standardization (ISO), How to measure carbon in water
- ISO/TS 22491:2019 Water pipe tobacco — Determination of carbon monoxide in the vapour phase of water pipe tobacco smoke — NDIR method
Professional Standard - Ferrous Metallurgy, How to measure carbon in water
Professional Standard - Electron, How to measure carbon in water
- SJ/T 10921-1996 Methods for determination of potassium carbonate in potassium silicate solution for use in electronic industry
German Institute for Standardization, How to measure carbon in water
- DIN ISO 8454:2021-02 Cigarettes - Determination of carbon monoxide in the vapour phase of cigarette smoke - NDIR method (ISO 8454:2007 + Amd.1:2009 + Amd.2:2019)
ES-UNE, How to measure carbon in water
- UNE 34102:2022 Fruit and vegetables juices. Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruits juices. Method using isotope ratio mass spectrometry.
- UNE-EN IEC 62793:2022 Fruit and vegetable juices. Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruit juices. Method using isotope ratio mass spectrometry.
- UNE 34101:2022 Fruit and vegetable juices. Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruit juices. Method using isotope ratio mass spectrometry.
- UNE-EN 17181:2019 Lubricants - Determination of aerobic biological degradation of fully formulated lubricants in an aqueous solution - Test method based on CO2-production
Xinjiang Provincial Standard of the People's Republic of China, How to measure carbon in water
IN-BIS, How to measure carbon in water
- IS 12539-1988 Gravimetric determination of total carbon in cemented carbide
Professional Standard - Energy, How to measure carbon in water
- NB/T 10946-2022 Determination of Aromatic Hydrocarbons in Aqueous Phase of Methanol to Light Olefins
Professional Standard - Urban Construction, How to measure carbon in water
- CJ 26.29-1991 Municipal sewage water quality inspection method standard Determination of total organic carbon non-dispersive infrared method
Professional Standard - Tobacco, How to measure carbon in water
- YC/T 314-2009 Determination of calcium carbonate in cigarette paper.Potentiometric titration method
Canadian General Standards Board （CGSB), How to measure carbon in water
Standard Association of Australia （SAA）, How to measure carbon in water
- AS 3550.2:1990 Waters - Determination of carbon dioxide - Alkalimetric titration method
GOSTR, How to measure carbon in water
- GOST 26176-2019 Fodders, mixed feeds. Methods for determination of soluble and hydrolysable carbohydrates
(U.S.) Ford Automotive Standards, How to measure carbon in water
國家煤礦安全監(jiān)察局, How to measure carbon in water
- MT/T 137.1-1986 Determination method of harmful gas carbon monoxide in mine air
IT-UNI, How to measure carbon in water
- UNI 3677-1955 Chemical analysis methods of metallic materials. Determination of total carbon in nickel. direct combustion volume measurement method
Heilongjiang Provincial Standard of the People's Republic of China, How to measure carbon in water
- DB23/T 2422-2019 Method for Determination of Fixed Carbon in Raw Graphite Ore Containing Carbonate