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atomic mass ratio
atomic mass ratio, Total:363 items.
In the international standard classification, atomic mass ratio involves: Beverages, Products of the chemical industry, Textile fibres, Nuclear energy engineering, Soil quality. Pedology, Radiation measurements, Company organization and management, Veterinary medicine, Animal feeding stuffs, Quality, Cereals, pulses and derived products, Applications of information technology, Products of the textile industry, Fruits. Vegetables, Pulps, Spices and condiments. Food additives, Fluid power systems, Water quality, Tea. Coffee. Cocoa, Air quality, Vocabularies, Integrated circuits. Microelectronics, Aircraft and space vehicles in general, Non-metalliferous minerals, Measurement of fluid flow, Milk and milk products, Photography, Electromechanical components for electronic and telecommunications equipment, Metrology and measurement in general, Electronic components in general, Conducting materials, Meat, meat products and other animal produce, Construction materials, Plastics, Iron and steel products, Protection against fire, Fuels, Non-ferrous metals, Electricity. Magnetism. Electrical and magnetic measurements, On-board equipment and instruments, Microbiology, Leather technology, Geology. Meteorology. Hydrology, Welding, brazing and soldering, Optics and optical measurements, Analytical chemistry, Quantities and units, Glass, Electrical engineering in general, Paints and varnishes, Power transmission and distribution networks, Fibre optic communications, Astronomy. Geodesy. Geography, Petroleum products in general, Refractories.
International Telecommunication Union (ITU), atomic mass ratio
National Metrological Verification Regulations of the People's Republic of China, atomic mass ratio
SE-SIS, atomic mass ratio
British Standards Institution (BSI), atomic mass ratio
- BS DD ENV 12142:1997 Method for determination of stable hydrogen isotope ratio (2H/1H) of water from fruit juices, using isotope ratio mass spectrometry
- BS DD ENV 12140:1997 Method for determination of stable carbon isotope ratio (13C/12C) of sugars from fruit juices, using isotope ratio mass spectrometry
- BS DD ENV 12141:1997 Method for determination of stable oxygen isotope ratio (18O/16O) of water from fruit juices, using isotope ratio mass spectrometry
- BS 6810-1:1987 Determination of metals in textiles - Analysis by atomic absorption and colorimetric spectroscopy
- BS EN 60512-25-1:2001 Connectors for electronic equipment. Test and measurements. Test 25a. Crosstalk ratio
- BS CECC 90302:1986 Specification for harmonized system of quality assessment for electronic components - Blank detail specification: integrated voltage comparators
- BS ISO 9005:2010 Nuclear energy. Uranium dioxide powder and sintered pellets. Determination of oxygen/uranium atomic ratio by the amperometric method
- BS ISO 9005:2007 Nuclear energy - Uranium dioxide powder and sintered pellets - Determination of oxygen/uranium atomic ratio by the amperometric method
- BS ISO 19929:2017 Plastics. Determination of average molecular mass and mixture ratio of poly(ethylene glycol) and its derivatives by MALDI-TOF-MS
- BS EN ISO 748:2007 Hydrometry - Measurement of liquid flow in open channels using current-meters or floats
- BS EN ISO 14956:2002 Air quality. Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty
- BS PD CEN/TR 15996:2010 Hydrometry —
Measurement of snow
water equivalent using
snow mass registration
devices
- BS EN ISO 17994:2014 Water quality. Requirements for the comparison of the relative recovery of microorganisms by two quantitative method
- BS ISO 11433:1993+A1:2013 Nickel alloys. Determination of titanium content. Diantipyrylmethane molecular absorption spectrometric method
- BS ISO 20462-2:2006 Photography - Psychophysical experimental methods for estimating image quality - Triplet comparison method
- PD IEC/TR 62456:2007 An electrochemical reference system for use in different solvent media. The decamethylated ferricinium/ferrocene redox couple
- BS ISO 20130:2018 Soil quality. Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates
- 20/30408871 DC BS ISO 11433. Nickel alloys. Determination of titanium content. Diantipyrylmethane molecular absorption method
- BS ISO 20462-2:2005 Photography. Psychophysical experimental methods for estimating image quality - Triplet comparison method
- BS EN ISO 20130:2020 Soil quality. Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates
- BS EN ISO 12020:2000 Water quality - Determination of aluminium - Atomic absorption spectrometric methods
- BS EN 61280-2-2:2005 Fibre optic communication subsystem test procedures - Digital systems - Optical eye pattern, waveform and extinction ratio measurement
- BS PD ISO/TR 19686-100:2016 Petroleum products. Equivalency of test method determining the same property. Background and principle of the comparison and the evaluation of equivalency
Korean Agency for Technology and Standards (KATS), atomic mass ratio
- KS M 1428-2013 Measuring method for specific gravity of media
- KS M 1428-2004(2010) Measuring method for specific gravity of media
- KS I ISO 11265:2021 Soil quality — Determination of the specific electrical conductivity
- KS I ISO 11265-2005(2015) Soil quality－Determination of the specific electrical conductivity
- KS I ISO 11461:2005 Soil quality－Determination of soil water content calculatedon a volume basis(Gravimetric method)
- KS B 6510-1991 Test Methods for Electro-hydraulic Proportional Series Flow Control Valves
- KS A ISO 9005:2008 Uranium dioxide powder and sintered pellets-Determination of oxygen/uranium atomic ratio-Amperometric method
- KS B ISO 748:2021 Hydrometry — Measurement of liquid flow in open channels using current-meters or floats
- KS A ISO 9005-2014(2019) Nuclear energy — Uranium dioxide power and sintered pellets — Determination of oxygen/uranium atomic ratio by the amperometric method
- KS B 6512-1991 Test Methods for Electro-hydraulic Proportional Bypass F1ow Control Valves
- KS B 6511-1991 Test Methods for Electro-Hydraulic Proportional Directional Series Flow Control Valves
- KS A ISO 9005:2014 Nuclear energy — Uranium dioxide power and sintered pellets — Determination of oxygen/uranium atomic ratio by the amperometric method
- KS B 6513-1991 Test Methods for Electro-hydraulic Proportional Directional Bypass Flow Control Va1ves
- KS I ISO 14956:2008 Air quality－Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty
- KS I ISO 17994:2021 Water quality — Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
- KS C IEC 60512-25-1:2004 Connectors for electronic equipment-Tests and measurements-Part 25-1:Test 25a-Crosstalk ratio
- KS C IEC 60512-25-1:2014 Connectors for electronic equipment－Tests and measurements－Part 25－1：Test 25a－Crosstalk ratio
- KS D ISO 11433:2012 Nickel alloys-Determination of titanium content-Diantipyrylmethane molecular absorption spectrometric method
- KS I ISO 14956-2008(2018) Air quality－Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty
- KS A ISO 20462-2:2007 Photography－Psychophysical experimental methods for estimating image quality－Part 2：Triplet comparison method
- KS K ISO 105-B08:2009 Textiles－Tests for colour fastness－Part B08：Quality control of blue wool reference materials 1 to 7
- KS I ISO 21258-2012(2017) Stationary source emissions－Determination of the mass concentration of dinitrogen monoxide(N2O)－Reference method：Non-dispersive infrared method
- KS A ISO 20462-2-2007(2017) Photography－Psychophysical experimental methods for estimating image quality－Part 2：Triplet comparison method
Hunan Provincial Standard of the People's Republic of China, atomic mass ratio
- DB43/T 1142-2015 Quantitative Analysis Method of Hollow Polyester Fiber - Number Ratio and Mass Ratio
YU-JUS, atomic mass ratio
- JUS C.A1.546-1990 Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Determi- natlon of chromium In ctmtents from 0,01 to 2 % (m/m)
- JUS H.G8.258-1985 Reagents. Methanol. Determination of aidehydes and ketones content (as CH3COCH3). Turbidimetnc method
- JUS H.G8.215-1985 Reagents. Methanol. Determination of readi!y carbonizable substances. Colorimetric methou
- JUS H.G8.212-1985 Reagents. Methanol. Determination of aldehydes and ketones content (as CH3COCH3J. Colorimetric method
Professional Standard - Agriculture, atomic mass ratio
- JB/T 51220.1-1994 Compound and specific gravity seed cleaning machine product quality classification and other quality indicators
- JB/T 51220.2-1994 Test method for product quality classification of compound and specific gravity seed cleaners
National Metrological Technical Specifications of the People's Republic of China, atomic mass ratio
- JJF 1326-2011 Calibration Specification for Mass Comparators
- JJF 1960-2022 Metrological Technical Specification for Metrological Comparison of Reference Materials
- JJF 1684-2017 Calibration Specification for Comparators for Measuring the Diameter,Angle and Straightness of Bearings'Tapered Roller
RO-ASRO, atomic mass ratio
- STAS SR 12271-17-1996 Uranium Dioxide - Polarographic determination of oxygen/uranium atomic ratio
- STAS 5761-1986 Wood packages CASE FOR BICKFORD FUSE
- STAS 8556-1970 ELECTRIC AND ELECTRONIC ANALOGICAL ELEMENTS FOR AUTOMATION UNITS Rules for quality control Methods of test
- STAS 8334-1989 Industrial-process measurement and control equipments ANALOGICAL PNEUMATIC DEVICES General technical requirements for quality
- STAS 12421/1-1986 DIRECT DRIVE RATIO CONTR- OLLERS LOR FIRING PLANTS General technical requirements for quality
- STAS 2213/3-1968
- STAS SR 13315-1996 Water quality - Iron determination - Spectrometric method of atomic absorption
能源部, atomic mass ratio
- SY 7517-1992 Adiabatic calorimetric method for determination of specific heat capacity of crude oil
AGMA - American Gear Manufacturers Association, atomic mass ratio
American Society of Mechanical Engineers (ASME), atomic mass ratio
CU-NC, atomic mass ratio
- NC 66-03-1987 Electronic and Electrotechnical Industry. "Caribe 416" Television Receiver. Quality SDecifications
- NC 26-92-11-1984 Drugs. "Amobarbital", Tabiets Qualiíy Speclfications
- NC 26-119-4-1986 Drugs. "Bisacodilo" Tablets Quality Specifications
- NC 92-17-1987 Quality Control. Comparison of Two Means in the Case of Paired Observations
- NC 26-143-1-1986 Drugs. Powder for Ampicilline Oral Suspension. Quality Specifications
- NC 57-27-1983 Geodesy and Cartography Topographic Maps at Scales 1:10 000 and 1:5 000 Quality Specifications
- NC 40-116-1986 Textiles. Simple Cotton Yarns or Low Viscous-Proportion Cotton Yarns. General Quality Specifications
AENOR, atomic mass ratio
- UNE 77308:2001 Soil quality. Determination of the specific electrical conductivity.
- UNE 64026:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF MANGANSE. COLORIMETRIC METHOD.
- UNE 77043:2002 Water quality. Sulphide determination. Iodometric and colorimetric method.
- UNE 64017:1971 COMPOUND FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF PHOSPHOROUS. COLORIMETRIC METHOD OF PHOSPHONIOLIBDOVANTE.
- UNE 36371-4:1986 DETERMINATION OF THE TIN COATING MASS. ATOMIC ABSORPTION METHOD
- UNE-EN 60512-25-1:2002 Connectors for electronic equipment - Tests and measurements -- Part 25-1: Test 25a - Crosstalk ratio.
- UNE-EN ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014)
- UNE-EN ISO 14956:2003 Air quality. Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty. (ISO 14956:2002)
- UNE 55815:1984 SURFACE ACTIVE AGENTS. ETHANOL TO BE USED AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF ALDEHYDES CONTENT. VISUAL COLORIMETRIC METHOD
KR-KS, atomic mass ratio
- KS I ISO 11265-2021 Soil quality — Determination of the specific electrical conductivity
- KS B ISO 748-2021 Hydrometry — Measurement of liquid flow in open channels using current-meters or floats
- KS I ISO 17994-2021 Water quality — Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
Association Francaise de Normalisation, atomic mass ratio
- NF ISO 11265:1995 Qualité du sol - Détermination de la conductivité électrique spécifique
- NF V03-719:1996 Cereals. Determination of bulk density, called "mass per hectolitre".
- NF V05-125:1982 Fruits, vegetables and derived products. Determination of the lead content by means of flameless atomic absorption photometry.
- NF C86-902:1986 Harmonized system of quality assessment for electronic components. Integrated voltage comparators. Blank detail specification CECC 90 302.
- NF M60-463*NF ISO 9005:2007 Nuclear energy - Uranium dioxide powder and sintered pellets - Determination of oxygen/uranium atomic ratio by the amperometric method
- NF ISO 9005:2007 Énergie nucléaire - Poudre et pastilles frittées de dioxyde d'uranium - Détermination du rapport atomique oxygène/uranium par la méthode ampérométrique
- NF EN ISO 17994:2014 Qualité de l'eau - Exigences pour la comparaison du rendement relatif des microorganismes par deux méthodes quantitatives
- NF X10-301:2009 Hydrometry - Measurement of liquid flow in open channels using current-meters or floats.
- NF A54-107:2021 Nickel alloys - Determination of titanium content - Diantipyrylmethane molecular absorption method
- NF EN 1233:1996 Qualité de l'eau - Dosage du chrome - Méthodes par spectrométrie d'absorption atomique
- NF EN ISO 17852:2008 Qualité de l'eau - Dosage du mercure - Méthode par spectrométrie de fluorescence atomique
- NF T90-462*NF EN ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
- NF EN ISO 12020:2000 Qualité de l'eau - Dosage de l'aluminium - Méthodes par spectrométrie d'absorption atomique
- NF EN ISO 7980:2000 Qualité de l'eau - Dosage du calcium et du magnésium - Méthode par spectrométrie d'absorption atomique
- NF EN ISO 14956:2002 Qualité de l'air - Évaluation de l'aptitude à l'emploi d'une procédure de mesurage par comparaison avec une incertitude de mesure requise
- NF C93-400-25-1*NF EN 60512-25-1:2002 Connectors for electronic equipment - Tests and measurements - Part 25-1 : test 25a - Crosstalk ratio
- NF T90-113-1:2007 Water quality - Determination of mercury - Method using atomic absorption spectrometry.
- NF X43-275:2002 Qualité de l'air - Air des lieux de travail - Dosage d'éléments présents dans l'air des lieux de travail par spectrométrie atomique
- NF ISO 11433:2021 Alliages de nickel - Détermination de la teneur en titane - Méthode par spectrophotométrie d'absorption moléculaire au diantipyrylméthane
- NF X43-508*NF EN ISO 14956:2002 Air quality - Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty
- NF G07-012-8*NF EN ISO 105-B08:2000 Textiles - Tests for colour fastness - Part B08 : quality control of blue wool reference materials 1 to 7
CL-INN, atomic mass ratio
IT-UNI, atomic mass ratio
NL-NEN, atomic mass ratio
- NEN-ISO 7627-6:1993 Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Part 6: Determination of chromium in contents from 0,01 to 2 % (m/m) (ISO 7627-6:1985)
- NEN-ISO 7627-4:1993 Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Part 4: Determination of molybdenum, titanium and vanadium in contents from 0,01 to 0,5 % (m/m) (ISO 7627-4:1983)
- NEN-ISO 7627-5:1993 Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Part 5: Determination of cobalt, iron, manganese, molybdenum, nickel, titanium and vanadium in contents from 0,5 to 2 % (m/m) (ISO 7627-5:1983)
- NEN-ISO 7627-3:1993 Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Part 3: Determination of cobalt, iron, manganese and nickel in contents from 0,01 to 0,5 % (m/m) (ISO 7627-3:1983)
- NEN 6311-1983 Vegetable and animal oils and fats Determination of the conventional mass by volume and of the relative density
- NEN 6311-1993 Vegetable and animal oils and fats. Determination of the conventional mass by volume and of the relative density
Professional Standard - Petroleum, atomic mass ratio
- SY/T 7517-1994 Determination method of crude oil specific heat capacity adiabatic calorimetry
International Organization for Standardization (ISO), atomic mass ratio
- ISO 11461:2001 Soil quality - Determination of soil water content as a volume fraction using coring sleeves - Gravimetric method
- ISO 9005:1994 Uranium dioxide powder and sintered pellets - Determination of oxygen/uranium atomic ratio - Amperometric method
- ISO 8478:2017 Optics and photonics - Camera lenses - Measurement of ISO spectral transmittance
- ISO 19929:2017 Plastics - Determination of average molecular mass and mixture ratio of poly(ethylene glycol) and its derivatives by MALDI-TOF-MS
- ISO 9005:2007 Nuclear energy - Uranium dioxide powder and sintered pellets - Determination of oxygen/uranium atomic ratio by the amperometric method
- ISO 20130:2018 Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates
- ISO 748:2007 Hydrometry - Measurement of liquid flow in open channels using current-meters or floats
- ISO 14956:2002 Air quality - Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty
- ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
- ISO 20921:2019 Textiles — Determination of stable nitrogen isotope ratio in cotton fibres
- ISO 11433:2020 Nickel alloys — Determination of titanium content — Diantipyrylmethane molecular absorption method
- ISO 20462-2:2005 Photography - Psychophysical experimental methods for estimating image quality - Part 2: Triplet comparison method
- ISO 105-B08:1995 Textiles - Tests for colour fastness - Part B08: Quality control of blue wool reference materials 1 to 7
Japanese Industrial Standards Committee (JISC), atomic mass ratio
- JIS Z 4521:2006 Method of calibration for neutron dose equivalent (rate) meters
- JIS Z 8403:1996 Quality characteristics of products -- General rules for determination of specific values
- JIS K 0400-55-20:1998 Water quality -- Determination of cadmium by atomic absorption spectrometry
Group Standards of the People's Republic of China, atomic mass ratio
- T/SCQL 6-2020 Enterprise product quality standard comparison specification
- T/SDIRAA 027-2021 Specifications for cleaning and comparison of marine data quality control
- T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed
- T/CAS ES360304003-2022 Rules for quality grading and evaluating of industrial products—Balance model foam concentrate mix equipment
- T/CSEE 0032-2017 Relative dielectric loss factor and capacitance ratio live test method of capacitive equipment
- T/GRM 045-2022 Determination of Uranium content and high-precision isotope ratio (238U/235U) in carbonates by multi-collector inductively coupled plasma mass spectrometry
RU-GOST R, atomic mass ratio
- GOST R 53101-2008 Medical remedies for veterinary use, feed and feed additives. Detection of mass fraction of arsenic by atom absorbtion spectrometric method
- PNST 252-2017 Russian system of quality. Comparative testing of grained salmon caviar packed in cans
- GOST R 53351-2009 Medical remedies for animals, feed and feed additives. Detection of mass fraction of selenium by atom absorbtion spectrometric method
- GOST R 53100-2008 Medical remedies for veterinary use, feed and feed additives. Detection of mass fraction of cadmium and lead by atom absorbtion spectrometric method
- GOST R 53352-2009 Medical remedies for animals, feed and feed additives. Detection of mass fraction of mercury by atom absorbtion spectrometric method
- PNST 254-2017 Russian system of quality. Comparative testing of rice groats
- GOST R 55229-2012 Food additives. Colorimetric method for total phosphorus mass content determination in raw materials for citric acid production
- GOST R 51730-2001 Drinking water. Method for determination of summary specific radio-nuclei alpha-activity
- GOST 31864-2012 Drinking water. Method for determination of summary specific radio-nuclei alpha-activity
- PNST 255-2017 Russian system of quality. Comparative testing of food common salt
- PNST 257-2017 Russian system of quality. Comparative testing of buckwheat groats
- GOST R 53068-2008 Green coffee. Determination of moisture mass fraction at 105 °C
- PNST 281-2018 Russian system of quality. Comparative testing of shirts for men
- PNST 280-2018 Russian system of quality. Comparative testing of pure natural honey
- PNST 279-2018 Russian system of quality. Comparative testing of wheat bakery flour of high grade
- PNST 260-2017 Russian system of quality. Comparative testing of unsalted butter
- GOST R 51458-1999 Cheese and processed cheese products. Determination of mass percent of total phosphorus. Molecular absorption spectrometric method
- GOST R 52934-2008 Grain starch-containing raw material for production of ethanol. Methods for determination of fermented carbohydrates mass fraction
- PNST 276-2018 Russian system of quality. Comparative testing of casual shoes with uppers of leather
- GOST 8.070-2014 State system for ensuring the uniformity of measurements. State verification schedule for means measuring absorbed doses and rate of absorbed dose, dose equivalent and rate of equivalent doses of photon and electron radiation
- GOST 32740-2014 Foodstuffs of processed poultry eggs. Determination of lipid phosphorus content by colorimetric method
- GOST R 54076-2010 Cheese and cheese products. Conductometric method for determination of sodium chloride mass fraction
- PNST 274-2018 Russian system of quality. Comparative testing of shirts for children and teen-agers
- GOST 31633-2012 Milk and milk products. Determination of mass portion of milk fat using photocolorimetry method
- GOST R ISO 14956-2007 Air quality. Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty
- GOST R 53018-2008 Dressed fur and sheepskins. Method of determining the untied fatty substances mass fraction
- GOST R ISO 15612-2009 Specification and qualification of welding procedures for metallic materials. Qualification by adoption of a standard welding procedure
- GOST R 52963-2008 Water. Methods for determination of alkalinity, and mass concentration of carbonates and hydrocarbonates
- GOST 17631-1972 Dressed fur skins and coat sheepskins. Method for determination of ash mass persentage in skin tissue
- PNST 277-2018 Russian system of quality. Comparative testing of mobile applications for smartphones
- GOST R 51459-1999 Cheese and processed cheese products. Method of determination of mass percent of citric acid
- GOST R 53013-2008 Dressed fur and sheepskins. Methods of determining the chromium oxide (III) mass fraction
- GOST R 53749-2009 Milk and milk products. Method for determination of mass portion of milkfat using photocolorimetry
- GOST R 8.848-2013 State system for ensuring the uniformity of measurements. Tristimulus colorimeters. Method for the determination of channels parameters
- PNST 272-2018 Russian system of quality. Comparative testing of knitted underwear for preschool and school age children
- GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
- GOST R 57060-2016 Copper. Measurement of impurities mass fraction in copper by an inductively coupled plasma atomic emission spectrometry method
- PNST 273-2018 Russian system of quality. Comparative testing of knitted underwear for newborn babies and infants of nursery age
- PNST 278-2018 Russian system of quality. Comparative testing of water-dispersive paints with antibacterial effect
American Society for Testing and Materials (ASTM), atomic mass ratio
- ASTM E244-80(1995) Test Method for Atom Percent Fission in Uranium and Plutonium Fuel (Mass Spectrometric Method) (Withdrawn 2001)
- ASTM E321-20 Standard Test Method for Atom Percent Fission in Uranium and Plutonium Fuel (Neodymium-148 Method)
- ASTM E321-96(2012) Standard Test Method for Atom Percent Fission in Uranium and Plutonium Fuel (Neodymium-148 Method)
- ASTM E321-96 Standard Test Method for Atom Percent Fission in Uranium and Plutonium Fuel (Neodymium-148 Method)
- ASTM E321-96(2005) Standard Test Method for Atom Percent Fission in Uranium and Plutonium Fuel (Neodymium-148 Method)
- ASTM A569/A569M-91a(1993)e1 Standard Specification for Steel, Carbon (O. 15 Maximum, Percent), Hot-Rolled Sheet and Strip Commercial Quality
- ASTM D4468-85(2006) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and Rateometric Colorimetry
- ASTM E219-80(1995) Test Method for Atom Percent Fission in Uranium Fuel (Radiochemical Method) (Withdrawn 2001)
- ASTM D4468-85(2011) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and
Rateometric Colorimetry - ASTM C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
- ASTM D4468-85(2000) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and Rateometric Colorimetry
- ASTM D4468-85(2015) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and Rateometric Colorimetry
- ASTM C1453-00(2006) Standard Test Method for the Determination of Uranium by Ignition and the Oxygen to Uranium (O/U) Atomic Ratio of Nuclear Grade Uranium Dioxide Powders and Pellets
- ASTM C1453-00 Standard Test Method for the Determination of Uranium by Ignition and the Oxygen to Uranium (O/U) Atomic Ratio of Nuclear Grade Uranium Dioxide Powders and Pellets
- ASTM E2330-12 Standard Test Method for Determination of Concentrations of Elements in Glass Samples Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for Forensic Comparisons
- ASTM D5325-03(2014) Standard Test Method for Determination of Weight Percent Volatile Content of Water-Borne Aerosol Paints
- ASTM E2426-10 Standard Practice for Pulse Counting System Dead Time Determination by Measuring Isotopic Ratios with SIMS
- ASTM C1453-00(2011) Standard Test Method for the Determination of Uranium by Ignition and the Oxygen to Uranium (O/U) Atomic Ratio of Nuclear Grade Uranium Dioxide Powders and Pellets
- ASTM C1453-19 Standard Test Method for the Determination of Uranium by Ignition and the Oxygen to Uranium (O/U) Atomic Ratio of Nuclear Grade Uranium Dioxide Powders and Pellets
- ASTM D5200-03 Standard Test Method for Determination of Weight Percent Volatile Content of Solvent-Borne Paints in Aerosol Cans
- ASTM D5200-03(2008)e1 Standard Test Method for Determination of Weight Percent Volatile Content of Solvent-Borne Paints in Aerosol Cans
- ASTM D5200-03(2014) Standard Test Method for Determination of Weight Percent Volatile Content of Solvent-Borne Paints in Aerosol Cans
VN-TCVN, atomic mass ratio
- TCVN 3112-1993 Fresh heavy weight concrete.Method for the ditermination of specific mass
- TCVN 4411-1987 Canned foods.Method for determination of net mass and components rate
German Institute for Standardization, atomic mass ratio
- DIN 19732:2011 Soil quality - Determination of the site specific potential for translocation of non-sorbable substances
- DIN 9020-4:1983-10 Aerospace; mass breakdown for aircraft heavier than air; detail mass statement
- DIN 58964:2015-09 Quality assurance of POCT results - Assessment criteria for comparison measurement and implementation
- DIN 58964:2015 Quality assurance of POCT results - Assessment criteria for comparison measurement and implementation
- DIN 9020-3:1983 Aerospace; mass breakdown for aircraft heavier than air; group mass statement
- DIN 9020-4:1983 Aerospace; mass breakdown for aircraft heavier than air; detail mass statement
- DIN 9020-3 Bb.1:1983 Aerospace; mass breakdown for aircraft heavier than air; group mass statement; condensed version
- DIN 9020-1:1983 Aerospace; mass breakdown for aircraft heavier than air; main mass groups and terms of mass; survey
- DIN 45940-1302:1987 Harmonized system of quality assessement for electronic components; blank detail specification: integrated voltage comparators
- DIN 9020-2:1983 Aerospace; mass breakdown for aircraft heavier than air; main mass groups and terms of mass; definitions
- DIN EN ISO 748:2008 Hydrometry - Measurement of liquid flow in open channels using current-meters or floats (ISO 748:2007); English version of DIN EN ISO 748:2008-02
- DIN 9020-3:1983-10 Aerospace; mass breakdown for aircraft heavier than air; group mass statement
- DIN EN ISO 14956:2003 Air quality - Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty (ISO 14956:2002); German version EN ISO 14956:2002
- DIN 9020-3 Beiblatt 1:1983 Aerospace; mass breakdown for aircraft heavier than air; group mass statement; condensed version
- DIN 9020-5:1992-02 Aerospace; mass breakdown for aircraft heavier than air; dimensional and construction data
- DIN EN ISO 17994:2014-06 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014); German version EN ISO 17994:2014
- DIN EN 60512-25-1:2002-08 Connectors for electronic equipment - Tests and measurements - Part 25-1: Test 25a: Crosstalk ratio (IEC 60512-25-1:2001); German version EN 60512-25-1:2001 / Note: To be replaced by DIN IEC 60512-25-1 (2004-10).
- DIN 9020-3 Beiblatt 1:1983-10 Aerospace; mass breakdown for aircraft heavier than air; group mass statement; condensed version
- DIN EN 60512-25-1:2002 Connectors for electronic equipment - Tests and measurements - Part 25-1: Test 25a: Crosstalk ratio (IEC 60512-25-1:2001); German version EN 60512-25-1:2001
- DIN EN ISO 20130:2021-02 Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates (ISO 20130:2018); German version EN ISO 20130:2020
- DIN EN ISO 12020:2000 Water quality - Determination of aluminium - Atomic absorption spectrometric methods (ISO 12020:1997); German version EN ISO 12020:2000
- DIN EN ISO 14956:2003-01 Air quality - Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty (ISO 14956:2002); German version EN ISO 14956:2002
- DIN V ENV 13070:1998 Fruit and vegetable juices - Determination of stable carbon isotope ratio (<(hoch)13>C/<(hoch)12>C) in the pulp of fruits juices - Method using isotope ratio mass spectrometry; German version ENV 13070:1998
- DIN EN 1233:1996 Water quality - Determination of chromium - Atomic absorption spectrometric methods; German version EN 1233:1996
- DIN EN 16906:2022 Liquid petroleum products - Determination of the ignition quality of diesel fuels - Fixed compression ratio engine method; German and English version prEN 16906:2022
- DIN 9020-5:1992 Aerospace; mass breakdown for aircraft heavier than air; dimensional and construction data
- DIN 9020-2:1983-10 Aerospace; mass breakdown for aircraft heavier than air; main mass groups and terms of mass; definitions
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, atomic mass ratio
- GB/T 42490-2023 Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry
- GB/T 11842-1989 Determination of oxygen to uranium atomic ratic in uranium dioxide powder and pellets by thermogravimetric method
- GB 11842-1989 Determination of Atomic Ratio of Oxygen to Uranium in Uranium Dioxide Powder and Pellets by Thermogravimetry
- GB/T 14675-1993 Air quality. Determination of odor. Triangle odor bag method
- GB/T 16698-1996 Measurment of emission rate of α particle. Method for large area proportional counter
- GB/T 16698-2008 Measurement of emission rate of α particle. Method for large area proportional counter
- GB/T 26930.13-2014 Carbonaceous materials used in the production of aluminium.Pitch for electrodes.Part 13:Determination of C/H ratio in the quinoline-insoluble fraction
- GB/T 8969-1988 Air quality--Determination of nitrogen oxides in ambient air--Griess-saltzman method
- GB 8969-1988 Air Quality Nitrogen Oxides Determination Naphthaleneethylenediamine Hydrochloride Colorimetric Method
- GB/T 42488-2023 Soil Quality Determination of Inorganic Nitrogen 15N Abundance in Soil Stable Isotope Ratio Mass Spectrometry
- GB/T 31231-2014 Determination of zinc and lead isotopic ratios in aqueous solution.Multiple-collectors inductively coupled plasma mass spectrometry
- GB/T 4325.17-2013 Methods for chemical analysis of molybdenum.Part 17:Determination of titanium content.Diantipyrylmethane spectrophotometry and inductively coupled plasma atomic emission spectrometry
- GB/T 5113-1985 Atomic mass unit and kilogram conversion tables
- GB/T 8970-1988 Air quality--Determination of sulfur dioxide in a ambient air--Tetrachlomercurate(TCM), pararosaniline
- GB 8970-1988 Determination of sulfur dioxide in air quality Tetrachloromercuric salt - pararosaniline hydrochloride colorimetric method
European Committee for Standardization (CEN), atomic mass ratio
- EN ISO 11461:2014 Soil quality - Determination of soil water content as a volume fraction using coring sleeves - Gravimetric method
- EN ISO 20130:2020 Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates (ISO 20130:2018)
- EN ISO 748:2000 Measurement of Liquid Flow in Open Channels - Velocity-Area Methods ISO 748:1997
- EN ISO 748:2021 Hydrometry - Measurement of liquid flow in open channels - Velocity area methods using point velocity measurements (ISO 748:2021)
- EN ISO 748:2007 Hydrometry - Measurement of liquid flow in open channels using current-meters or floats
- EN 1233:1996 Water Quality - Determination of Chromium - Atomic Absorption Spectrometric Methods
- EN ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
- EN ISO 13160:2021 Water quality - Strontium 90 and strontium 89 - Test methods using liquid scintillation counting or proportional counting (ISO 13160:2021)
CZ-CSN, atomic mass ratio
- CSN 72 1171-1967 Determination of mass, porosity and voids ratio of aggregates
- CSN 68 4130-1981 Colorimetric methods of the etermination of iron contents s an impurity
- CSN 49 0020-1980 Sawn timbt Statistical verification of sawn timber quality by comparison.
- CSN 40 4016-1974 Ralalive measurements of activity and partical enission of radioactive products. Total flax measurement of a - or β - particles by a 4 π - proportional counter
- CSN 75 7400-1998 Water quality - Determination of silver by atomic absorption spectrometric methods
- CSN 40 4010-1971 Relative measurements of activity and partical emission of radioactive products. Speciíic activity relative measurements in liquid saturated layer.
GOSTR, atomic mass ratio
- PNST 292-2018 Russian system of quality. Comparative testing of Condensed sweetened milk
- PNST 256-2017 Russian system of qualiti. Comparative testing of quit blanket
- PNST 287-2018 Russian system of quality. Comparative testing of kvases
- PNST 253-2017 Russian system of quality. Comparative testing of bed-clothes
- PNST 335-2018 Russian system of quality. Comparative testing of men's suits
- PNST 258-2017 Russian system of quality. Comparative testing of cotton terry jack-towels
- PNST 286-2018 Russian system of quality. Comparative testing of ring–shaped rolls
- PNST 288-2018 Russian system of quality. Comparative testing of sarafans and skirts for girls of school age
- GOST 9568-1980 Pulp and paper. Method for determination of mass percentage of calcium
- PNST 285-2018 Russian system of quality. Comparative testing of trousers for boys of school age
- PNST 291-2018 Russian system of quality. Comparative testing of cranberry mors
- PNST 290-2018 Russian system of quality. Comparative testing of food chicken eggs
- PNST 336-2018 Russian system of quality. Comparative testing of sprats in oil
- PNST 289-2018 Russian system of quality. Comparative testing of men's socks and stockings
- PNST 259-2017 Russian system of quality. Comparative testing of pillows with fibre filler
- PNST 275-2018 Russian system of quality. Comparative testing of children's socks and stockings
- PNST 333-2018 Russian system of quality. Comparative testing of preserves from herring fillet in oil
- GOST 33795-2016 Wood raw material, forest products, semi-produced materials and wood products. Admissible specific activity of radionuclides, samping and methods of measuring the specific activity of radionuclides
- PNST 293-2018 Russian system of quality. Comparative testing of structured product from fish mince - crab sticks
- PNST 334-2018 Russian system of quality. Comparative testing of Jackets with a filling of artificial materials requirements
- PNST 337-2018 Russian system of quality. Comparative testing of sewing wire products with thermostat fiber walls for children of preschool age groups
ES-UNE, atomic mass ratio
- UNE 77043:2019 Water quality. Sulphide determination. Iodometric and colorimetric method.
- UNE-EN ISO 20130:2020 Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates (ISO 20130:2018) (Endorsed by Asociación Española de Normalización in June of 2020.)
Taiwan Provincial Standard of the People's Republic of China, atomic mass ratio
- CNS 9322-2002 Method for determination of manganese content in pulp and paper─Sodium periodate photometric and flame atomic absorption spectrometric methods
BE-NBN, atomic mass ratio
Professional Standard - Certification and Accreditation, atomic mass ratio
- RB/T 208-2016 Internal quality control of chemical laboratory.Comparison test
中华人民共和国环境保护部, atomic mass ratio
- GB/T 14668-1993 Air quality--Determination of ammonia--Nessler s reagent colorimetric method
Professional Standard - Nuclear Industry, atomic mass ratio
- EJ/T 842-1994 Zinc Isotope Ratio and Zinc Content Measurement Double Dilution Mass Spectrometry
Professional Standard - Energy, atomic mass ratio
- NB/T 11146-2023 Technical specifications for online comparison of power quality monitoring devices
Professional Standard - Machinery, atomic mass ratio
- JB/T 50147-2000 Measuring tools, measuring instruments, product quality grading, small torsion spring comparators (for internal use)
Standard Association of Australia （SAA）, atomic mass ratio
- AS 2800:1985 Ambient air - Determination of particulate lead - High volume sampler gravimetric collection - Flame atomic absorption spectrometric method
- AS 1141.30.1:2009
- AS 1141.30:1996 Methods for sampling and testing of aggregates - Coarse aggregate quality by visual comparison
- AS 1141.30.1:2022 Methods for sampling and testing aggregates, Method 30.1: Coarse aggregate quality by visual comparison
Professional Standard - Environmental Protection, atomic mass ratio
- HJ 659-2013 Water quality.Determination of cyanide and others by vaccum testing tube-electric colorimeter
HU-MSZT, atomic mass ratio
Professional Standard - Geology, atomic mass ratio
- DZ/T 0064.57-1993 Groundwater quality testing method Nessler's reagent colorimetric method for the determination of ammonium ions
NO-SN, atomic mass ratio
- NS 4869-1985 Air quality - Nitrogen dioxide content in workplace atmosphere - Colometric metod
Danish Standards Foundation, atomic mass ratio
- DS/EN 61788-12:2002 Superconductivity - Part 12: Matrix to superconductor volume ratio measurement - Copper to non-copper volume ratio of Nb3Sn composite superconducting wires
- DS/EN 61788-12:2013 Superconductivity - Part 12: Matrix to superconductor volume ratio measurement - Copper to non-copper volume ratio of Nb3Sn composite superconducting wires
- DS/EN 61788-5:2001 Superconductivity - Part 5: Matrix to superconductor volume ratio measurement - Copper to superconductor volume ratio of Cu/Nb-Ti composite superconductors
- DS/EN 61788-5:2013 Superconductivity - Part 5: Matrix to superconductor volume ratio measurement - Copper to superconductor volume ratio of Cu/Nb-Ti composite superconducting wires
- DS/EN 60512-25-1:2002 Connectors for electronic equipment - Tests and measurements - Part 25-1: Test 25a - Crosstalk ratio
- DS/EN ISO 14956:2003 Air quality - Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty
European Committee for Electrotechnical Standardization（CENELEC）, atomic mass ratio
- EN 61788-12:2013 Superconductivity - Part 12: Matrix to superconductor volume ratio measurement - Copper to non-copper volume ratio of Nb3Sn composite superconducting wires
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, atomic mass ratio
- ITU-R TF.458-2-1990 International Comparisons of Atomic Time Scales - Section 7B - Specifications for the Standard-Frequency and Time-Signal Services
International Commission on Illumination (CIE), atomic mass ratio
- CIE 51.2-1999 A METHOD FOR ASSESSING THE QUALITY OF DAYLIGHT SIMULATORS FOR COLORIMETRY (Incorporating supplement 1)
ATIS - Alliance for Telecommunications Industry Solutions, atomic mass ratio
- T1.TR.74-2001 Objective Video Quality Measurement Using a Peak- Signal-to-Noise-Ratio (PSNR) Full Reference Technique
- 0800061-2013 Methodology for Subjective or Objective Video Quality Assessment in Multiple Bit Rate Adaptive Streaming
ESDU - Engineering Sciences Data Unit, atomic mass ratio
- AERO 00.01.09 A-1975 A simple model of a thermally perfect@ calorically imperfect diatomic gas. Comparison with real gases.
API - American Petroleum Institute, atomic mass ratio
- API MPMS 9.1-1981 Manual of Petroleum Measurement Standards Chapter 9 - Density Determination Section 1 - Hydrometer Test Method for Density@ Relative Density (Specific Gravity)@ or API Gravity of Crude Petroleum and Liquid Petroleum Products (ASTM D1298)(R 1992)
- API MPMS 9.1-2002 Manual of Petroleum Measurement Standards Chapter 9 - Density Determination Section 1 - Standard Test Method for Density@ Relative Density (Specific Gravity)@ or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method (Second Edi
- API MPMS 9.3-1994 Manual of Petroleum Measurement Standards Chapter 9 - Density Determination Section 3 - Thermohydrometer Test Method for Density and API Gravity of Crude Petroleum and Liquid Petroleum Products
- API MPMS 9.1-2012 Manual of Petroleum Measurement Standards Chapter 9.1 - Standard Test Method for Density@ Relative Density@ or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method (Third Edition)
- API MPMS 9.3-2012 Manual of Petroleum Measurement Standards Chapter 9.3 Standard Test Method for Density@ Relative Density@ and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method (Third Edition)
Professional Standard - Non-ferrous Metal, atomic mass ratio
- YS/T 739-2010 Determination of cryolite rate and main components of electrolyte-X-ray fluorescence spectrometric analysis method
- YS/T 1603.2-2023 Methods for chemical analysis of tungsten-based high specific gravity alloys Part 2: Determination of iron, nickel and copper contents by inductively coupled plasma atomic emission spectrometry
- YS/T 1603.3-2023 Methods for chemical analysis of tungsten-based high specific gravity alloys Part 3: Determination of aluminum, magnesium and calcium contents by inductively coupled plasma mass spectrometry
Lithuanian Standards Office , atomic mass ratio
- LST EN 61788-12-2003 Superconductivity. Part 12: Matrix to superconductor volume ratio measurement. Copper to non-copper volume ratio of Nb3Sn composite superconducting wires (IEC 61788-12:2002)
- LST EN 61788-5-2002 Superconductivity. Part 5: Matrix to superconductor volume ratio measurement. Copper to superconductor volume ratio of Cu/Nb-Ti composite superconductors (IEC 61788-5:2000)
- LST EN ISO 14956:2004 Air quality - Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty (ISO 14956:2002)
International Electrotechnical Commission (IEC), atomic mass ratio
- IEC 61501:1998 Nuclear reactor instrumentation - Wide range neutron fluence rate meter - Mean square voltage method
- IEC 60512-25-1:2001 Connectors for electronic equipment - Tests and measurements - Part 25-1: Test 25a; Crosstalk ratio
Society of Automotive Engineers (SAE), atomic mass ratio
- SAE ARP4260B-2014 Photometric and Colorimetric Measurement Procedures for Airborne Electronic Flat Panel Displays
Professional Standard - Aviation, atomic mass ratio
- HB/Z 5108.2-1999 Analytical method of phosphating solution Determination of chloride ion content by visual turbidimetry
Professional Standard - Electron, atomic mass ratio
- SJ/T 31491-1995 Comparable unit output energy consumption quota for electronic cable manufacturing products
- SJ/T 31484-1995 Comparable unit output energy consumption quota for electronic ceramic parts manufacturing products
- SJ/T 31483-1995 Energy Consumption Quotas for Comparable Unit Output of Electronic-Specific Tungsten and Molybdenum Material Manufacturing Products
ITU-T - International Telecommunication Union/ITU Telcommunication Sector, atomic mass ratio
- ITU-T J.343-2014 Hybrid perceptual bitstream models for objective video quality measurements (Study Group 9)
- ITU-T J.343 AMD 1-2018 Hybrid perceptual bitstream models for objective video quality measurements Amendment 1 (Study Group 12)
Association of German Mechanical Engineers, atomic mass ratio
- VDI 2463 Blatt 8-1982 Particulate matter measurement; measurement of mass concentration in ambient air; standard method for the comparsion of nonfractionating methods
IN-BIS, atomic mass ratio
ES-AENOR, atomic mass ratio
Alliance of Telecommunications Industry Solutions （ATIS), atomic mass ratio
- ATIS 0800061-2013 Methodology for Subjective or Objective Video Quality Assessment in Multiple Bit Rate Adaptive Streaming
工业和信息化部, atomic mass ratio
- YS/T 739.2-2020 Methods of chemical analysis of aluminum electrolytes Part 2: Determination of molecular ratios Aluminum trichloride titration method
MSS - Manufacturers Standardization Society of the Valve and Fittings Industry., atomic mass ratio
- SP 112 COMPARATOR-2016 Quality Standard For Evaluation Of Cast Surface Finishes – Visual and Tactile Method – Three Dimensional Cast Surface Comparator
Professional Standard - Electricity, atomic mass ratio
国家卫生计生委, atomic mass ratio
- WS/T 549-2017 Analysis method of total uranium and uranium-235/uranium-238 ratio in urine by inductively coupled plasma mass spectrometry (ICP-MS)
ETSI - European Telecommunications Standards Institute, atomic mass ratio
- EG 201 377-1-2009 Speech and multimedia Transmission Quality (STQ); Specification and measurement of speech transmission quality; Part 1: Introduction to objective comparison measurement methods for one-way speech quality across networks (V1.3.2)
- EG 201 377-1-1999 Speech Processing@ Transmission and Quality Aspects (STQ); Specification and Measurement of Speech Transmission Quality; Part 1: Introduction to Objective Comparison Measurement Methods for One-Way Speech Quality Across Networks (V1.1.1)
- EG 201 377-1-2002 Speech Processing@ Transmission and Quality Aspects (STQ); Specification and Measurement of Speech Transmission Quality; Part 1: Introduction to Objective Comparison Measurement Methods for One-Way Speech Quality Across Networks (V1.2.1)
National Aeronautics and Space Administration (NASA), atomic mass ratio
- NASA NACA-TR-825-1945 Analysis of wind-tunnel stability and control tests in terms of flying qualities of full-scale airplanes
Heilongjiang Provincial Standard of the People's Republic of China, atomic mass ratio
- DB23/T 1830-2017 Quality inspection and acceptance of surveying and mapping geographic information results Part 1: Large-scale topographic maps
Indonesia Standards, atomic mass ratio
- SNI 19-7119.8-2005 Ambient atmospheres - Part 8: Test methods of oxidant content by neutral buffer potassium iodide using spectrophotometers
Professional Standard - Ferrous Metallurgy, atomic mass ratio
- YB/T 4004-1991 High-quality magnesia chemical analysis method diantipyrine methane spectrophotometric determination of titanium dioxide content
- YB 4004-1991 High-quality magnesia chemical analysis method diantipyrine methane spectrophotometric determination of titanium dioxide content