How to measure content by UV spectrophotometry

How to measure content by UV spectrophotometry, Total:189 items.

The international standard classification for "How to measure content by UV spectrophotometry" includes: Sugar and sugar products , Alcohols. Ethers , Natural gas , Workplace atmospheres , Waxes, bituminous materials and other petroleum products , Analytical chemistry in general , Tobacco, tobacco products and related equipment , Cadmium, cobalt and their alloys , Beekeeping , Magnesium and magnesium alloys , Petroleum products in general , Spices and condiments , Other standards related to analytical chemistry , Biology. Botany. Zoology , Paints and varnishes , Optics and optical measurements , Chemical analysis of metals .

The Chinese standard classification for "How to measure content by UV spectrophotometry" includes: Sugar refining , Basic organic chemicals , Natural gas , Labor sanitation , Petroleum wax , Electrochemical, thermochemistry and optical profile type analyzer , Tobacco , Heavy metals and their alloys analysis method , Beekeeping, silkworm keeping , Light metals and their alloys analysis method , Fuel oil , Petroleum products in general , Basic standards and general methods on chemical fertilizers , Agriculture and forestry technology , Cosmetics , Aromatics, seasoner crop and product , Analysis methods for toxic substances in water , Basic standard and general method for coating , Electron optics and other physical optics instrument , Chemical Measurement , Environmental Quality Standard for atmosphere, water and soil , Rare metals and their alloys analysis method , Hydrogeological survey .

国家能源局

SH/T 0966-2017 Determination of aromatic hydrocarbon content in white oil by UV spectrophotometry

Group Standards of the People's Republic of China

T/GXAS 545-2023 Seawater—Rapid determination of petroleum on site—Ultraviolet spectrophotometric method
T/QAS 035-2021 Determination of nitrate in brine by ultraviolet spectrophotometry
T/STIC 110086-2023 Double Beam UV-VIS Spectrophotometer
T/TGIC 009-2024 Textiles - Determination of polyphenolcontent - Ultraviolet Spectrophotometery
T/CSTM 00198-2021 Graphene quantum dots—Determination of enzyme-like activities — Ultraviolet-visible spectrophotometry
T/TGIC 010-2024 Textiles - Determination of gingerol content - Ultraviolet Spectrophotometry

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

GB/T 2136-1980 Determination of thallium content in cadmium--Crystal violet photometric method
GB/T 11060.8-2012 Natural gas - Determination of sulfur compound - Part 8：Determination of total sulfur content by Ultraviolet fluorescence method
GB/T 12153-1989 Analysis of water used in boiler and cooling system--Determination for mineral oil--Ultraviolet spectrophotometry
GB/T 26813-2011 Double beam UV/VIS spectrophotometer
GB/T 14571.4-2008 glycol for industrial use - Determination of ultraviolet transmittance - Ultraviolet spectrophotometric method
GB/T 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
GB/T 11081-2005 Standard test method for ultraviolet adsorption of white oils
GB/T 36084-2018(英文版) Nanotechnology - Determination of copper, manganese and chromium ion content in aqueous solution - UV-visible spectrophotometry
GB/T 18932.6-2002 Method for the determination of glycerol contents in honey--UV spectrophotometric method
GB/T 16055-1995 Workplace air―Determination of diphenyl-diphenyl ether―Ultraviolet spectrophotometric method
GB/T 26798-2011 Single beam UV/VIS spectrophotometer
GB/T 13748.2-2005 Chemical analysis methods of magnesium and magnesium alloys — Determination of tin content — Pyrocatechol violet spectrophotometric method
GB/T 23195-2008 Method for the determination of catalase in bee pollen - Ultaraviolet spectrophotometry
GB/T 16077-1995 Workplace air―Determination of phosgene―Ultraviolet spectrophotometric method
GB/T 19611-2004 Tobacco and tobacco products - Determination of maleic hydrazide residues - UV Spectrophotometer method
GB/T 34796-2017(英文版) Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectrophotometry
GB/T 11081-1989 White oils-Determination of ultraviolet absorption

Professional Standard - Petrochemical Industry

SH/T 1498.5-1997 Nylon 66 salt-Determination of content of pscudo diaminocylohcloexane-Uitraviolet specterophotometric method
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 0181-2005 Standard test method for naphthalene hydrocarbons in jet fuels by ultraviolet spectrophotometry
SH/T 0406-1992 Determination method for vaseline ultraviolet absorbance
SH/T 0662-1998 Mineral oil - Determination of ultraviolet absorbance
SH/T 0181-1992 Method for Determination of Naphthalene Hydrocarbon Content in Jet Fuel (Ultraviolet Spectrophotometry)

Professional Standard - Agriculture

178药典三部-2015 Spectrophotometry 0401 UV-Vis Spectrophotometry General Principles 19
197药典三部-2020 Spectrophotometry 0401 UV-Vis Spectrophotometry
67药典四部-2015 0401 UV-visible spectrophotometry
NY/T 4306-2023 Determination of activity of papain and bromelain-Ultaraviolet spectrophotometry
1759药典一部-2010 Appendix VA UV-Vis Spectrophotometry
2297药典二部-2010 Appendix IV A UV-Vis Spectrophotometry
775兽药典一部-2015 Appendix Contents 0400 Spectroscopy 0401 UV-Vis Spectrophotometry
153药典三部-2010 Appendix Ⅱ Spectrophotometry ⅡA UV-Vis Spectrophotometry
NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer
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
47药典四部-2020 0401 UV-visible 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

Tianjin Provincial Standard of the People's Republic of China

DB12/T 884-2019 Determination of Polysaccharide Content in Lily Bulbs by UV/Vis Spectrophotometry

Professional Standard - Water Conservancy

SL 93.2-1994 Determination of oil and grease (Vltraviolet spectrophotometric method)
SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)

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

GJB 4781-1997*GJBz 20413.3-1997 Determination of Sies by UV spectrophotometry
GJB 3639-1999(XG1-2015) Determination of Benzene Chloroacetophenone UV Spectrophotometry Modification Sheet 1-2015
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

Shandong Provincial Standard of the People's Republic of China

DB37/T 4149-2020 Determination of water quality UV254 by ultraviolet spectrophotometry

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 11060.8-2020 Natural gas—Determination of sulfur compounds—Part 8:Determination of total sulfur content by ultraviolet fluorescence method
GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4：Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method

Hebei Provincial Standard of the People's Republic of China

DB13/T 2899-2018 Determination of iminodisuccinate content in urea by ultraviolet-visible spectrophotometry
DB13/T 5028-2019 Determination of total sulfur content in alcohol-based fuels by ultraviolet fluorescence method

Professional Standard - Light Industry

QB/T 2334-1997 Method for the Qualitative Determination of Ultraviolet Absorbents in Cosmetics - Ultraviolet Spectrophotometry

中华全国供销合作总社

GH/T 1290-2020 Prickly ash and its processed products―Determination of total fagaramide―Ultraviolet spetrophotometry

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 34796-2017 Quantification and purity analysis of nucleic acid concentration in solution-Ultraviolet spectrophotometry
GB/T 33374-2016 Ultraviolet curable coatings--Determination of volatile content
GB/T 36084-2018 Nanotechnology—Determination of copper, manganese and chromium ions in aqueous solution—Ultraviolet-visible spectrophotometry

Professional Standard - Machinery

JB/T 6778-1993 UV/VIS Near Infrared Spectrophotometer
JB/T 6777-1993 UV/VIS Spectrophotometer

海关总署

SN/T 5153-2019 Determination of fluorescent whitening agents in tissue paper-UV spectroscopy method

国家质量监督检验检疫总局

SN/T 4383-2015 Food contact materials―Glutinous rice paper―Determination of PVA content―UV-spectrophotometry
SN/T 0859-2016 Determination of dehydroacetic acid in condiments for export- Ultraviolet spectrophotometric method

National Metrological Verification Regulations of the People's Republic of China

JJG 178-2007 Ultraviolet,Visible,Near-Infrared Spectrophotometers
JJG 689-1990 UV-VIS-NIR Spectrophotometer
JJG(地质) 1002-1990 Verification Regulations for UV/Visible Spectrophotometer

Professional Standard - Environmental Protection

HJ/T 31-1999 Stationary source emission -- Determination of phosgene -- Aniline ultraviolet spectrophotometric method
HJ 756-2015 Water quality - Determination of butyl xanthate - UV spectrophotometric method
HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
HJ 970-2018 Water quality - Determination of petroleum - Ultraviolet spectrophotometric method

Professional Standard - Non-ferrous Metal

YS/T 520.8-2007 Chemical analysis of gallium Part 8 Determination of indium content The ethyl violet spectrophotometric method
YS/T 74.8-1994 Method for chemical analysis of cadmium Crystal violet spectrophotometric method for determination of thallium

Professional Standard - Geology

DZ/T 0064.59-1993 Groundwater quality test methods - the determination of nitrate radical with ultraviolet spectrophotometric method

Professional Standard - Chemical Industry

HG/T 3027-1988(1997) Determination of plasticizer content in polymethylmethacrylate-Ultraviolet spectrometry method
HG/T 3027-1988 Determination of plasticizer content in polymethylmethacrylate-Ultraviolet spectrometry method

Sichuan Provincial Standard of the People's Republic of China

DB51/T 1689-2013 Determination of total sulfur content in liquefied natural gas (LNG) by ultraviolet fluorescence method
DB51/T 1699-2013 Determination of total sulfur content in liquefied petroleum gas (LPG) by ultraviolet fluorescence method

Professional Standard - Nuclear Industry

EJ/T 296.2-2014 Determination of trace uranium in urine liquid fluorometry by ultraviolet

Professional Standard - Energy

NB/SH/T 0415-2013 Determination Method for Ultraviolet Absorbance and Absorptivity of Petroleum Products

Professional Standard - Aviation

HB 5422.12-1989 Chemical Analysis Method for Copper Alloy - Absorption Photometry of Crystal Violet - Toluene Extraction for the Determination of Antimony Content

GSO

NB/SH/T 0966-2017 Determination of aromatics content in white oil - UV spectrophotometry
GSO ISO 4735:2015 Oils of Citrus -- Determination of CD value by ultraviolet spectrometric analysis
GSO ISO 20729:2022 Natural gas — Determination of sulfur compounds — Determination of total sulfur content by ultraviolet fluorescence method
BH GSO ISO 20729:2023 Natural gas — Determination of sulfur compounds — Determination of total sulfur content by ultraviolet fluorescence method
BH GSO ISO 20846:2023 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method
GSO ISO 20846:2022 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method
GSO ISO 3656:2015 Animal and vegetable fats and oils -- Determination of ultraviolet absorbance expressed as specific UV extinction
BH GSO ISO 3656:2016 Animal and vegetable fats and oils -- Determination of ultraviolet absorbance expressed as specific UV extinction
OS GSO ISO 4945:2015 Steel -- Determination of nitrogen content -- Spectrophotometric method

German Institute for Standardization

DIN ISO 13964:1999 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method (ISO 13964:1998)
DIN EN 14625:2012-12 Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry; German version EN 14625:2012 / Note: To be replaced by DIN EN 14625 (2022-11).
DIN EN 14625:2022-11 Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry; German and English version prEN 14625:2022 / Note: Date of issue 2022-09-30*Intended as replacement for DIN EN 14625 (2012-12).
DIN EN ISO 20846:2019-12 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method (ISO 20846:2019); German version EN ISO 20846:2019
DIN EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977); German version EN ISO 4945:2009

Spanish Association for Standardization (UNE)

UNE 55047:1973 FATS. SPECTROPHOTOMETRIC MEASURE OF ABSORPTION IN THE ULTRAVIOLET AREA.
UNE 84170:1983 OIL OF LEMON. ULTRA-VIOLET SPECTROPHOTO METRIC ANALYSIS
UNE-EN 15486:2008 Ethanol as a blending component for petrol - Determination of sulfur content - Ultraviolet fluorescence method
UNE 84124:2014 Cosmetic raw materials. Determination of UV-filters by spectrophotometric absorbance.
UNE-EN ISO 20846:2020 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method (ISO 20846:2019)
UNE-EN 14625:2005 Ambient air quality - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
UNE-EN 14625:2013 Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
UNE 84124:2000 Cosmetic raw materials. Determination of UV-filters by spectrophotometric absorbance.

Korean Agency for Technology and Standards (KATS)

KS M 2231-2014 Testing method for naphthalene type hydrocarbon contents in aviation turbine fuels by ultraviolet spectrophotometry
KS H ISO 4735-2019 Oils of Citrus－Determination of CD value by ultraviolet spectrometric analysis
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 B 5570-2017 Performance test for UV/Vis spectrophotometer
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 5570-2022 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 M ISO 20846:2021 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method
KS D ISO 1053-2002(2007) Zinc－Determination of copper content?Spectrophotometric method
KS M ISO 20846:2012 Petroleum products－Determination of sulfur content of automotive fuels－Ultraviolet fluorescence method
KS M ISO 20846-2012(2017) Petroleum products－Determination of sulfur content of automotive fuels－Ultraviolet fluorescence method

NL-NEN

NEN 6581-1985 Rain water - UV-photometric determination of nitrate content

YU-JUS

JUS H.F8.232-1986 Gases. Determination of hydrocarbons content. Infrared spectrophotometric method
JUS H.F8.153-1986 Gases. Determination of carbon dioxid content. Infrared spectrophotometric method

PL-PKN

PN C97088-1987 Coal derivative products UV spectrophotometric determination of tar acids content in coal tar and oils
PN C97087-1987 UV Spectrophotometric determination of phenols in coke and waste waters
PN-ISO 20729-2020-10 P Natural gas -- Determination of sulfur compounds -- Determination of total sulfur content by ultraviolet fluorescence method
PN C04194-1992 Petroleum products Determination of the benzene content in gasoline by infrared spectrophotometric method

IN-BIS

IS 1448 Pt.63-1967 Determination of benzene and toluene by UV spectrophotometry

SE-SIS

SIS SS 02 81 45-1991 Determination ofoilin water — Infrared spectrophotometric method

Association Francaise de Normalisation

NF X43-024*NF ISO 13964:1999 Air quality. Determination of ozone in ambient air. Ultraviolet photometric method.
NF T75-122*NF ISO 4735:2002 Oils of Citrus - Determination of CD value by ultraviolet spectrometric analysis.
XP M07-115:2003 Petroleum products - Determination of Solvent Yellow 124 content in middle distillates - Method by extraction with hydrochloric acid and determination by UV-Visible spectrophotometry
NF X20-518*NF ISO 20729:2018 Natural gas - Determination of sulfur compounds - Determination of total sulfur content by ultraviolet fluorescence method
NF ISO 20729:2018 Natural gas - Determination of sulfur compounds - Determination of total sulfur content by the UV fluorescence method
NF EN ISO 20846:2019 Petroleum products - Determination of sulfur content of automobile fuels - Ultraviolet fluorescence method
NF M07-109*NF EN ISO 20846:2019 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method
NF X43-064*NF EN 14625:2013 Ambient air quality - Standard method for the measurement of the concentration of ozone by ultraviolet photometry

American Society for Testing and Materials (ASTM)

ASTM E958-93(2005) Standard Practice for Measuring Practical Spectral Bandwidth of Ultraviolet-Visible Spectrophotometers
ASTM E878-12 Standard Test Method for Determination of Titanium in Iron Ores and Related Materials by Diantipyrylmethane Ultraviolet Spectrophotometry
ASTM E2193-23 Standard Test Method for Ultraviolet Transmittance of Monoethylene Glycol (using Ultraviolet Spectrophotometry)
ASTM E958-93(1999) Standard Practice for Measuring Practical Spectral Bandwidth of Ultraviolet-Visible Spectrophotometers
ASTM RR-D02-1525 2002 D1840- Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
ASTM RR-D02-1375 1995 D1840-Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry

International Organization for Standardization (ISO)

ISO 13964:1998 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method
ISO 4735:2002 Oils of citrus - Determination of CD value by ultraviolet spectrometric analysis
ISO/CD 20846:2023 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method
ISO 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
ISO 1053:1975 Zinc; Determination of copper content; Spectrophotometric method
ISO 20729:2017 Natural gas - Determination of sulfur compounds - Determination of total sulfur content by ultraviolet fluorescence method
ISO 20846:2019 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method
ISO 17198:2014 Dimethyl ether (DME) for fuels - Determination of total sulfur, ultraviolet fluorescence method
ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
ISO 20846:2011 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method

SCC

NS-EN 15486:2007 Ethanol as a blending component for petrol — Determination of sulfur content — Ultraviolet fluorescence method
DANSK DS/EN 15486:2007 Ethanol as a blending component for petrol - Determination of sulfur content - Ultraviolet fluorescence method
NS-EN 14625:2012 Ambient air — Standard method for the measurement of the concentration of ozone by ultraviolet photometry
DANSK DS/EN 14625:2012 Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
DANSK DS/ISO 20846:2019 Petroleum products – Determination of sulfur content of automotive fuels – Ultraviolet fluorescence method
AWWA JAW30356 Journal AWWA — Using Cobalt-Ultraviolet Spectrophotometry to Measure Hydrogen Peroxide Concentration in Organically Laden Groundwaters
NS-EN 14625:2005 Ambient air quality — Standard method for the measurement of the concentration of ozone by ultraviolet photometry
NS 9462:2006 Water quality — Determination of UV-absorbance
AATCC EP11-2016 Spectrophotometer UV Energy Calibration Procedure for Optically Brightened Textiles
DANSK DS/EN ISO 4945:2009 Steel – Determination of nitrogen content – Spectrophotometric method

Lithuanian Standards Office

LST EN 15486-2007 Ethanol as a blending component for petrol - Determination of sulfur content - Ultraviolet fluorescence method
LST EN 14625-2012 Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry

Danish Standards Foundation

DS/EN 15486:2007 Ethanol as a blending component for petrol - Determination of sulfur content - Ultraviolet fluorescence method
DS/EN 14625:2012 Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
DS/EN ISO 20846:2011 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method

RU-GOST R

GOST ISO 4735-2015 Essential oils of citrus. Determination of CD value by ultraviolet spectrometric analysis
GOST R EN ISO 20846-2006 Petroleum products. Determination of sulfur content by ultraviolet fluorescence method

VN-TCVN

TCVN 7726-2007 Ambient air.Determination of sulfur dioxide.Ultraviolet fluorescence method

British Standards Institution (BSI)

BS EN ISO 20846:2019 Petroleum products. Determination of sulfur content of automotive fuels. Ultraviolet fluorescence method
BS EN ISO 20846:2011 Petroleum products. Determination of sulfur content of automotive fuels. Ultraviolet fluorescence method
BS EN 14625:2012 Ambient air. Standard method for the measurement of the concentration of ozone by ultraviolet photometry
BS EN 15486:2007 Ethanol as a blending component for petrol. Determination of sulfur content. Ultraviolet fluorescence method
BS EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
BS EN ISO 4945:2010 Steel. Determination of nitrogen content. Spectrophotometric method
BS EN 14625:2005 Ambient air quality - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
BS ISO 20729:2017 Natural gas. Determination of sulfur compounds. Determination of total sulfur content by ultraviolet fluorescence method

KR-KS

KS M ISO 20846-2021 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method

European Committee for Standardization (CEN)

EN 14625:2012 Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)

CEN - European Committee for Standardization

EN 14625:2005 Ambient air quality - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method

PT-IPQ

NP 3362-1986 Citrus fruit refined oil. Measurement of CD value by UV spectrophotometry

Japanese Industrial Standards Committee (JISC)

JIS K 2541-6:2003 Crude oil and petroleum products -- Determination of sulfur content Part 6: Ultraviolet fluorescence method
JIS K 2541-6:2013 Crude petroleum and petroleum products.Determination of sulfur content Part 6: Ultraviolet fluorescence method

NO-SN

NS 9462-2006 Water quality Determination of UV-absorbance

International Electrotechnical Commission (IEC)

IEC 61228:1993 Method of measuring and specifying the UV-radiation of ultraviolet lamps used for sun-tanning

BE-NBN

NBN P 32-004-1977 Zinc - Determination of copper content -Spectrophotometric method

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