UV spectrophotometry for metals
UV spectrophotometry for metals, Total:180 items.
The international standard classification for "UV spectrophotometry for metals" includes: Alcohols. Ethers , Nickel, chromium and their alloys , Analytical chemistry in general , Workplace atmospheres , Waxes, bituminous materials and other petroleum products , Sugar and sugar products , Biology. Botany. Zoology , Chemical reagents , Beekeeping , Ambient atmospheres , Tobacco, tobacco products and related equipment , Optics and optical measurements , Petroleum products in general , Environment and health protection. Safety (Vocabularies) .
The Chinese standard classification for "UV spectrophotometry for metals" includes: Agriculture and forestry technology , Basic standards and general methods on chemical fertilizers , Basic organic chemicals , Steel and iron alloy analysis method , Electrochemical, thermochemistry and optical profile type analyzer , Labor sanitation , Petroleum wax , Sugar refining , Chemical reagent in general , Beekeeping, silkworm keeping , Analysis methods for toxic substances in atmosphere , Tobacco , Electron optics and other physical optics instrument , Chemical Measurement , Cosmetics , Petroleum products in general , Fuel oil , Environmental Quality Standard for atmosphere, water and soil , Analysis methods for exhaust emission pollutants , Hydrogeological survey , Analysis methods for substances in ocean .
Professional Standard - Agriculture
- 47药典 四部-2020 0401 UV-visible spectrophotometry
- NY/T 4306-2023 Determination of activity of papain and bromelain-Ultaraviolet spectrophotometry
- NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer
- 178药典 三部-2015 Spectrophotometry 0401 UV-Vis Spectrophotometry General Principles 19
- 67药典 四部-2015 0401 UV-visible spectrophotometry
- 2297药典 二部-2010 Appendix IV A UV-Vis Spectrophotometry
- 153药典 三部-2010 Appendix Ⅱ Spectrophotometry ⅡA UV-Vis Spectrophotometry
- 197药典 三部-2020 Spectrophotometry 0401 UV-Vis Spectrophotometry
- 775兽药典 一部-2015 Appendix Contents 0400 Spectroscopy 0401 UV-Vis Spectrophotometry
- 1759药典 一部-2010 Appendix VA UV-Vis Spectrophotometry
- NY/T 1116-2006 Fertilizers - Determination of nitrate nitrogen content - Ultraviolet spectro - Photometric method
- 772兽药典 二部-2015 Appendix Contents 0400 Spectroscopy 0401 UV-Vis Spectrophotometry
Professional Standard - Water Conservancy
- SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)
- SL 93.2-1994 Determination of oil and grease (Vltraviolet spectrophotometric method)
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 12153-1989 Analysis of water used in boiler and cooling system--Determination for mineral oil--Ultraviolet spectrophotometry
- GB/T 11081-1989 White oils-Determination of ultraviolet absorption
- GB/T 34796-2017(英文版) Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectrophotometry
- GB/T 34796-2017 Quantification and purity analysis of nucleic acid concentration in solution-Ultraviolet spectrophotometry
- GB/T 26798-2011 Single beam UV/VIS spectrophotometer
- GB/T 23195-2008 Method for the determination of catalase in bee pollen - Ultaraviolet spectrophotometry
- GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
- GB/T 26813-2011 Double beam UV/VIS spectrophotometer
- GB/T 9721-1988 Chemical reagent-General rules for the molecular absorption spectrophotometry(ultraviolet and visible)
- GB/T 4702.9-1985 Methods for chemical analysis of chromium metal; The crystal violet spectrophotometric method for the determination of antimony content
- GB/T 18932.6-2002 Method for the determination of glycerol contents in honey--UV spectrophotometric method
- GB/T 4702.11-1985 Methods for chemical analysis of chromium metal; The alizarin violet spectrophotometric method for the determination of tin content
- GB/T 9721-2006 Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible)
- GB/T 15438-1995 Ambient air--Determination of ozone--Ultraviolet photometric method
- GB/T 19611-2004 Tobacco and tobacco products - Determination of maleic hydrazide residues - UV Spectrophotometer method
- GB 9721-1988 Molecular Absorption Spectrophotometry of Chemical Reagents General Rules (Ultraviolet and Visible Parts)
- GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4:Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method
- GB 4702.9-1985 Chromium Metal Chemical Analysis Method Crystal Violet Spectrophotometric Determination of Antimony Content
- GB 4702.11-1985 Chromium Metal Chemical Analysis Method Alizarin Violet Spectrophotometry Determination of Tin Content
- GB/T 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
- GB/T 16055-1995 Workplace air―Determination of diphenyl-diphenyl ether―Ultraviolet spectrophotometric method
- GB/T 14571.4-2008 glycol for industrial use - Determination of ultraviolet transmittance - Ultraviolet spectrophotometric method
- GB/T 16077-1995 Workplace air―Determination of phosgene―Ultraviolet spectrophotometric method
- GB/T 11081-2005 Standard test method for ultraviolet adsorption of white oils
Professional Standard - Machinery
- JB/T 6778-1993 UV/VIS Near Infrared Spectrophotometer
- JB/T 6777-1993 UV/VIS Spectrophotometer
Military Standard of the People's Republic of China-General Armament Department
- GJB 4781-1997(XG1-2015) Modification sheet 1-2015 for the ultraviolet spectrophotometric method for determination of Sies
- GJB 3639-1999 Determination of Benzene Chloroacetophenone UV Spectrophotometry
- GJB 3639-1999(XG1-2015) Determination of Benzene Chloroacetophenone UV Spectrophotometry Modification Sheet 1-2015
- GJB 772.407-1989 Explosives test methods: UV spectrophotometric determination of components of TNT/RDX injected explosives
- GJB 4781-1997*GJBz 20413.3-1997 Determination of Sies by UV spectrophotometry
Shandong Provincial Standard of the People's Republic of China
- DB37/T 4149-2020 Determination of water quality UV254 by ultraviolet spectrophotometry
National Metrological Verification Regulations of the People's Republic of China
- JJG 682-1990 Verification Regulation of Double Beam UV-VIS Spectrophotometers
- JJG 375-1996 UItraviolet Visible Range Spectrophotometer in Single Beam
- JJG(地质) 1002-1990 Verification Regulations for UV/Visible Spectrophotometer
- JJG 178-2007 Ultraviolet,Visible,Near-Infrared Spectrophotometers
- JJG 689-1990 UV-VIS-NIR Spectrophotometer
Group Standards of the People's Republic of China
- T/GXAS 545-2023 Seawater—Rapid determination of petroleum on site—Ultraviolet spectrophotometric method
- T/SXCAA 036-2024 UV-Vis Spectrophotometer Period Verification Procedure
- T/TGIC 009-2024 Textiles - Determination of polyphenolcontent - Ultraviolet Spectrophotometery
- T/CSTM 00448-2021 Waterborne Ultraviolet(UV)curing metallic coatings for plastic substrate
- T/NAIA 0193-2023 Determination of Concentration and Purity of Single-chain Antibody Eukaryotic Expression Plasmid DNA by UV Spectrophotometry
- T/TGIC 010-2024 Textiles - Determination of gingerol content - Ultraviolet Spectrophotometry
- T/STIC 110086-2023 Double Beam UV-VIS Spectrophotometer
- T/CSTM 00198-2021 Graphene quantum dots—Determination of enzyme-like activities — Ultraviolet-visible spectrophotometry
- T/QAS 035-2021 Determination of nitrate in brine by ultraviolet spectrophotometry
Professional Standard - Light Industry
- QB/T 2334-1997 Method for the Qualitative Determination of Ultraviolet Absorbents in Cosmetics - Ultraviolet Spectrophotometry
Professional Standard - Energy
- NB/SH/T 0415-2013 Determination Method for Ultraviolet Absorbance and Absorptivity of Petroleum Products
- NB/SH/T 0966-2017 Test method for total aromatics in white oil by ultraviolet spectrophotometry
Professional Standard - Petrochemical Industry
- SH/T 0181-1992 Method for Determination of Naphthalene Hydrocarbon Content in Jet Fuel (Ultraviolet Spectrophotometry)
- SH/T 0662-1998 Mineral oil - Determination of ultraviolet absorbance
- SH/T 0181-2005 Standard test method for naphthalene hydrocarbons in jet fuels by ultraviolet spectrophotometry
- SH/T 0409-1992 Determination of aromatic hydrocarbons in liquid paraffin (UV spectrophotometric method)
- SH/T 1498.7-1997 Nylon 66 salt - Determination of UV index - -Ultraviolet spectrophotometric method
- SH/T 0406-1992 Determination method for vaseline ultraviolet absorbance
- SH/T 0966-2017 Determination of aromatic hydrocarbon content in white oil by UV spectrophotometry
Professional Standard - Environmental Protection
- HJ 590-2010 Ambient air - Dtermination of ozone - Ultraviolet photometric method
- HJ 636-2012 Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method
- HJ 970-2018 Water quality - Determination of petroleum - Ultraviolet spectrophotometric method
- HJ/T 42-1999 Stationary source emission -- Determination of nitrogen oxide -- Ultraviolet spectrophotometric method
- HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
- HJ 756-2015 Water quality - Determination of butyl xanthate - UV spectrophotometric method
- HJ/T 31-1999 Stationary source emission -- Determination of phosgene -- Aniline ultraviolet spectrophotometric method
Professional Standard - Geology
- DZ/T 0064.59-1993 Groundwater quality test methods - the determination of nitrate radical with ultraviolet spectrophotometric method
- DZ/T 0064.59-2021 Methods for analysis of groundwater quality- Part 59: Determination of nitrate- Ultraviolet spectrophotometry
Ningxia Provincial Standard of the People's Republic of China
- DB64/T 1515-2017 Determination of Total Glucosides in Sheep Placenta Capsules by Ultraviolet Spectrophotometry
National Metrological Technical Specifications of the People's Republic of China
- JJF 1641-2017 Program of Pattern Evaluation of Ultraviolet—Visible Spectrophotometers
Professional Standard - Commodity Inspection
- SN 0340-1995 Method for the determination of paraquat residues in cereals vegetables for export - UV-spectrophotometric method
- SN/T 2931-2011 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
- SN/T 0859-2016 Determination of dehydroacetic acid in condiments for export- Ultraviolet spectrophotometric method
Tianjin Provincial Standard of the People's Republic of China
- DB12/T 885-2019 Determination of Proanthocyanidins in Plant Extracts by UV/Vis Spectrophotometry
- DB12/T 884-2019 Determination of Polysaccharide Content in Lily Bulbs by UV/Vis Spectrophotometry
Jiangsu Provincial Standard of the People's Republic of China
- DB32/T 4344-2022 Marine sediment―Determination of oil―Ultrasonic Extraction-UV spectrophotometric method
Korean Agency for Technology and Standards (KATS)
- KS H ISO 4735-2019 Oils of Citrus-Determination of CD value by ultraviolet spectrometric analysis
- KS H ISO 4735:2014 Oils of Citrus-Determination of CD value by ultraviolet spectrometric analysis
- KS H ISO 4735:2011 Oils of Citrus-Determination of CD value by ultraviolet spectrometric analysis
- KS B 5570-2017 Performance test for UV/Vis spectrophotometer
- KS B 5570-2022 Performance test for UV/Vis spectrophotometer
- KS M 2231-1980 Testing method for naphthalene type hydrocarbon contents in aviation turbine fuels by ultraviolet spectrophotometry
- KS M 2231-2010 Testing method for naphthalene type hydrocarbon contents in aviation turbine fuels by ultraviolet spectrophotometry
- KS I ISO 13964:2004 Air quality-Determination of ozone in ambient air-Ultraviolet photometric method
- KS I ISO 13964:2014 Air quality — Determination of ozone in ambient air — Ultraviolet photometric method
- KS M 2231-2014 Testing method for naphthalene type hydrocarbon contents in aviation turbine fuels by ultraviolet spectrophotometry
Spanish Association for Standardization (UNE)
- UNE 84170:1983 OIL OF LEMON. ULTRA-VIOLET SPECTROPHOTO METRIC ANALYSIS
- UNE 55047:1973 FATS. SPECTROPHOTOMETRIC MEASURE OF ABSORPTION IN THE ULTRAVIOLET AREA.
- UNE 84124:2014 Cosmetic raw materials. Determination of UV-filters by spectrophotometric absorbance.
- UNE 84124:2000 Cosmetic raw materials. Determination of UV-filters by spectrophotometric absorbance.
- UNE-EN 13523-10:2010 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation
- UNE-EN 13523-10:2001 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV light and water condensation.
Bureau of Indian Standards
- IS 1448 Pt.63-1967 Determination of benzene and toluene by UV spectrophotometry
- IS 16200-2015 Animal and Vegetable Fats and Oils - Determination of Ultraviolet Absorbance Expressed as Specific UV Extinction
GCC Standardization Organization
- GSO ISO 4735:2015 Oils of Citrus -- Determination of CD value by ultraviolet spectrometric analysis
- GSO ASTM G130:2010 Standard Test Method for Calibration of Narrow- and Broad- Band Ultraviolet Radiometers Using a Spectroradiometer
- GSO ISO 3656:2015 Animal and vegetable fats and oils -- Determination of ultraviolet absorbance expressed as specific UV extinction
- BH GSO ASTM D1840:2024 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
- GSO ASTM E958:2021 Standard Practice for Estimation of the Spectral Bandwidth of Ultraviolet-Visible Spectrophotometers
British Standards Institution (BSI)
- BS EN 13523-10:2001 Coil coated metals - Test methods - Resistance to fluorescent UV light and water condensation
- BS EN 13523-10:2010 Coil coated metals - Test methods - Resistance to fluorescent UV radiation and water condensation
- BS EN 13523-10:2017 Coil coated metals. Test methods. Resistance to fluorescent UV radiation and water condensation
- BS EN 13523-10:2024 Coil coated metals. Test methods-Resistance to fluorescent UV radiation and water condensation
- BS 684-1-1.15:1978 Methods of analysis of fats and fatty oils. Physical methods-Determination of specific extinction in ultra-violet light
- BS PD CEN/TS 17784-1:2022 Organo-mineral fertilizers. Identification of complexing agents.-Method using UV-Vis spectrophotometry and gravimetry
American Society for Testing and Materials (ASTM)
- ASTM E2193-23 Standard Test Method for Ultraviolet Transmittance of Monoethylene Glycol (using Ultraviolet Spectrophotometry)
- ASTM RR-D02-1525 2002 D1840- Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
- ASTM E958-13(2021) Standard Practice for Estimation of the Spectral Bandwidth of Ultraviolet-Visible Spectrophotometers
- ASTM RR-D02-1375 1995 D1840-Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
- ASTM E958-93(2005) Standard Practice for Measuring Practical Spectral Bandwidth of Ultraviolet-Visible Spectrophotometers
- ASTM D3658-01(2024) Standard Test Method for Determining the Torque Strength of Ultraviolet (UV) Light-Cured Glass/Metal Adhesive Joints
- ASTM E2193-16 Standard Test Method for Ultraviolet Transmittance of Monoethylene Glycol (using Ultraviolet Spectrophotometry)
- ASTM G154-04 Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials
- ASTM D3658-01(2016) Standard Test Method for Determining the Torque Strength of Ultraviolet (UV) Light-Cured Glass/Metal Adhesive Joints
- ASTM UOP495-00 Aromatics in Molex n-Paraffin Products by Ultraviolet Spectrophotometry
- ASTM G154-00a Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials
- ASTM D5894-16 Standard Practice for Cyclic Salt Fog/UV Exposure of Painted Metal, (Alternating Exposures in a Fog/Dry Cabinet and a UV/Condensation Cabinet)
- ASTM D1358-86(1995)e1 Determination of Diene Value of Dehydrated Castor Oil and Its Derivatives by UV Spectrophotometry
- ASTM G154-00ae1 Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials
- ASTM G53-96 Practice for Operating Light- and Water-Exposure Apparatus (Fluorescent UV-Condensation Type) for Exposure of Nonmetallic Materials
- ASTM G154-06 Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials
- ASTM G154-00 Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials
- ASTM D1840-22 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
European Committee for Standardization (CEN)
- EN 13523-10:2017 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation
- EN 13523-10:2010 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation
- EN 13523-10:2001 Coil Coated Metals - Test Methods - Part 10: Resistance to Fluorescent UV Light and Water Condensation
- CEN EN 13523-10-2001 Coil Coated Metals - Test Methods - Part 10: Resistance to Fluorescent UV Light and Water Condensation
Association Francaise de Normalisation
- NF T75-122*NF ISO 4735:2002 Oils of Citrus - Determination of CD value by ultraviolet spectrometric analysis.
- NF T37-001-10:2010 Coil coated metals - Test methods - Part 10 : resistance to fluorescent UV radiation and water condensation.
- NF T37-001-10*NF EN 13523-10:2017 Coil coated metals - Test methods - Part 10 : resistance to fluorescent UV radiation and water condensation
Gosstandart of Russia
- GOST ISO 4735-2015 Essential oils of citrus. Determination of CD value by ultraviolet spectrometric analysis
Standard Association of Australia (SAA)
- AS 3753:1990 Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry
- AS 3753:2001(R2016) Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry
- AS 3753:2001 Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry
- AS CK19:1970 Code of recommended practice for the chemical analysis of materials by u ltraviolet visible spectrophotometry
International Organization for Standardization (ISO)
- ISO 4735:2002 Oils of citrus - Determination of CD value by ultraviolet spectrometric analysis
- ISO 13964:1998 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method
- ISO 4735:1981 Oils of citrus; Determination of CD value by ultraviolet spectrophotometric analysis
Japanese Industrial Standards Committee (JISC)
- JIS C 1613:2007 High irradiance ultraviolet radiometers of the metalhalide lamp type exposure apparatus
Swedish Institute for Standards
- SS-EN 13523-10:2001 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV light and water condensation
German Institute for Standardization
- DIN EN 13523-10 E:2015-12 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation
- DIN EN ISO 3656:2017-08 Animal and vegetable fats and oils - Determination of ultraviolet absorbance expressed as specific UV extinction (ISO 3656:2011 + Amd 1:2017); German version EN ISO 3656:2011 + A1:2017
- DIN ISO 13964:1999 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method (ISO 13964:1998)
- DIN EN 13523-10:2023-08 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation; German and English version prEN 13523-10:2023 / Note: Date of issue 2023-07-14*Intended as replacement for DIN EN 13523-10 (2017-05).
- DIN EN 13523-10:2010 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation; German version EN 13523-10:2010
- DIN EN 13523-10:2024 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation; German version EN 13523-10:2024
- DIN EN 13523-10:2017-05 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation; German version EN 13523-10:2017
- DIN EN 13523-10:2017 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation; German version EN 13523-10:2017
Society of Automotive Engineers (SAE)
- SAE AIR5468B-2012 Ultraviolet (UV) Lasers for Aerospace Wire Marking
Kingdom of Bahrain Testing and Metrology Directorate
- BH GSO ISO 3656:2016 Animal and vegetable fats and oils -- Determination of ultraviolet absorbance expressed as specific UV extinction
- BH GSO ASTM E958:2022 Standard Practice for Estimation of the Spectral Bandwidth of Ultraviolet-Visible Spectrophotometers
Polski Komitet Normalizacyjny (PKN)
- PN C97087-1987 UV Spectrophotometric determination of phenols in coke and waste waters
- PN Z04200-02-1988 Air purity protection ests for oxalic acid etermination of oxalic acid by ltraviolet absorption spectrophotometry
Standards Norway
- NS 9462-2006 Water quality Determination of UV-absorbance
- NS 9462:2006 Water quality — Determination of UV-absorbance
- NS-EN 13523-10:2001 Coil coated metals — Test methods — Part 10: Resistance to fluorescent UV light and water condensation
- NS-EN 13523-10:2010 Coil coated metals — Test methods — Part 10: Resistance to fluorescent UV radiation and water condensation
- NS-EN 13523-10:2017 Coil coated metals — Test methods — Part 10: Resistance to fluorescent UV radiation and water condensation
Ente Nazionale Italiano di Unificazione
- UNI 7691:1977 Elastomers. Tests on vulcanized rubber. Determination of styrene by ultraviolet spectrophotometry.
- UNI EN 13523-10:2017 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation
Danish Standards Foundation
- DANSK DS/EN ISO 3656:2011 Animal and vegetable fats and oils - Determination of ultraviolet absorbance expressed as specific UV extinction
- DANSK DS/EN ISO 3656/A1:2011 Animal and vegetable fats and oils - Determination of ultraviolet absorbance expressed as specific UV extinction
- DS/EN ISO 3656:2011 Animal and vegetable fats and oils - Determination of ultraviolet absorbance expressed as specific UV extinction
- DANSK DS/EN 13523-10:2010 Coil coated metals – Test methods – Part 10: Resistance to fluorescent UV radiation and water condensation
American Association of Textile Chemists and Colorists
- AATCC EP11-2016 Spectrophotometer UV Energy Calibration Procedure for Optically Brightened Textiles
Military Standards (MIL-STD)
- MIL MIL-L-9909A-1985 LIGHT, ULTRAVIOLET, METAL EXAMINING (NO S/S DOCUMENT) (SUPERSEDING MIL-L-9909)
Australian/New Zealand Standard (AU-AS/NZS)
- AS/NZS 2433:1994 Plastics - Method for exposure to ultraviolet lamps
Lithuanian Standards Office
- LST EN 13523-10-2010 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation
Universal Oil Products Company (UOP)
- UOP 495-2003 AROMATICS IN MOLEX PROCESS n-PARAFFIN PRODUCTS BY ULTRAVIOLET SPECTROPHOTOMETRY
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