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Determination of Nitrogen Content by Ultraviolet Spectrophotometry

Determination of Nitrogen Content by Ultraviolet Spectrophotometry, Total:496 items.

In the international standard classification, Determination of Nitrogen Content by Ultraviolet Spectrophotometry involves: Fertilizers, Water quality, Soil quality. Pedology, Sugar. Sugar products. Starch, Ferrous metals, Fuels, General methods of tests and analysis for food products, Air quality, Farming and forestry, Environmental protection, Tea. Coffee. Cocoa, Organic chemicals, Vocabularies, Natural gas, Inorganic chemicals, Non-metalliferous minerals, Burners. Boilers, Spices and condiments. Food additives, Ferroalloys, Analytical chemistry, Paper products, Optics and optical measurements, Products of the chemical industry, Materials and articles in contact with foodstuffs, Non-ferrous metals, Metalliferous minerals, Tobacco, tobacco products and related equipment, Conducting materials, Wastes, Plastics, Petroleum products in general, Milk and milk products, Veterinary medicine, Iron and steel products, TEXTILE AND LEATHER TECHNOLOGY, Pharmaceutics, Animal feeding stuffs, Testing of metals, Nuclear energy engineering, Fruits. Vegetables, Edible oils and fats. Oilseeds, Insulating fluids, Extraction and processing of petroleum and natural gas, Meat, meat products and other animal produce, Welding, brazing and soldering, Rubber, Raw materials for rubber and plastics, Non-destructive testing.

Professional Standard - Agriculture, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method
NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer
NY/T 4306-2023 Determination of activity of papaya and bromelain by ultraviolet spectrophotometry
NY/T 2332-2013 Determination of total sugars in red ginseng.Spectrophotometry
NY/T 1799-2009 Determination of oxazolidinethione in rapeseed meal and feed Spectrometric method
NY/T 2335-2013 Determination of pentosans in cereal.Spectro-photometric method

Professional Standard - Water Conservancy, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

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

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
GB/T 18932.6-2002 Method for the determination of glycerol contents in honey--UV spectrophotometric method
GB/T 14571.4-2008 Ethylene glycol for industrial use.Determination of ultraviolet transmittance.Ultraviolet spectrophotometric method
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro 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 5195.10-2006 Fluorspar. Determination of iron content. 1,10-phenanthroline spectrophotometric method
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB/T 24583.5-2009 Vanadium-Nitrogen alloy.Determination of phosphorus content.The bismuth molybdenum blue spectrophotometry method
GB/T 16077-1995 Workplace air--Determination of phosgene--Ultraviolet spectrophotometric method
GB/T 34796-2017(英文版) Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectrophotometry
GB/T 2136-1980 Determination of thallium content in cadmium--Crystal violet photometric method
GB/T 223.70-2008 Iron,steel and alloy.Determination of iron contents. o-Phenanthroline spectrophotometric method
GB/T 4702.7-2016 Chromium metal.Determination of nitrogen content.Distillation-nessler reagent spectrophotometric method
GB/T 19611-2004 Tobacco and tobacco products Determination of maleic hydrazide residues UV Spectrophotometer Method
GB/T 23195-2008 Determination method of catalase in bee pollen by ultraviolet spectrophotometry
GB/T 4699.3-2007 Ferrochromium, silicochromium and nitrogen-bearing ferrochromium.Determination of phosphorus content.Molybdobismuthylphosphoric blue speckophotometric method and the molybdenum blue spectrophotometric method
GB/T 16055-1995 Workplace air--Determination of diphenyl-diphenyl ether--Ultraviolet spectrophotometric method
GB/T 13748.2-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of tin content.Pyrocatechol violet spectrophotometric method
GB/T 12153-1989 Analysis of water used in boiler and cooling system--Determination for mineral oil--Ultraviolet spectrophotometry
GB/T 17528-1998 Determination of piperine content--Spectrophotometric method
GB/T 13748.9-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of iron content.Orthopenanthroline spectrophotometric method
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 4702.11-1985 Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content
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 5686.4-2022 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of phosphorus content—Molybdenum blue spectrophotometric method and bismuth phosphomolybdate b
GB/T 14849.1-2007 Methods for chemical analysis of silicon metal-Part 1:Determination of iron content-1,10-Phenanthrolion spectrophotometric method
GB/T 8220.2-1998 Methods for chemical analysis bismuth--Determination of iron content--1,10-Phenanthroline photometric method
GB/T 20931.9-2007 Methods for chemical analysis of lithium Determination of nitrogen content Mercuric potassium iodide spectrophotometric method
GB/T 2441.2-2001 Determination of urea Determination of biuret content Spectrophotometric method
GB/T 13748.9-2013 Chemical analysis methods of magnesium and magnesium alloys.Part 9:Determination of iron content.Orthopenanthroline spectrophotometric method
GB/T 8704.7-2009 Ferrovanadium.Determination of phosphorus content.The molybdenum blue photometric method
GB/T 5059.6-2007 Ferromolybdenum-Determination of phosphorus content-Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometrc method
GB/T 4701.7-2009 Ferrotitanium-Determination of phosphorus content-Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method
GB/T 4375.8-1984 Methods for chemical analysis of gallium--The ethyl violet photometric method for the determination of indium content
GB/T 20931.4-2007 Methods for chemical analysis of lithium Determination of iron content Orthopenanthroline spectrophotometric method
GB/T 20975.4-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 4: Determination of iron content.Orthopenanthroline photometric method
GB/T 5059.2-2014 Ferromolybdenum.Determination of antimony content.Malachite green spectrophotometric method
GB/T 6730.18-2006 Determination of phosphorus content in iron ore molybdenum blue spectrophotometric method
GB/T 6730.18-2006 Iron ores. Determination of phosphorus content Molybdenum blue spectrophotometric method
GB/T 22182-2008 Rapeseed-Determination of chlorophyll content-Spectrometric method
GB/T 14849.1-1993 Silicon metal.Determination of iron content.1,10-Phenanthroline spectrophotometric method
GB/T 2441.4-2001 Determination of urea Determination of iron content 1,10-Phenanthroline spectrophotometric method
GB/T 2441.9-2001 Determination of Urea-Determination of methylenediurea content-Spectrophotometric method
GB/T 223.43-2008 Iron,steel and alloy.Determination of tungsten content.Gravimetric method and spectrophotometric method
GB/T 10574.5-1989 Tin-lead solders--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 1515-2002 Manganese ores--Determination of phosphorus content--Phosphomolybdenum blue spectrophotometric method
GB/T 13646-2013 Rubber.Determination of bound styrene content.Spectrophotometric method
GB/T 5195.11-2006 Fluorspar.Determination of manganese content.The periodate spectrophotometric method
GB/T 4333.2-2023 Determination of ferrosilicon and phosphorus content bismuth phosphorus molybdenum blue spectrophotometry
GB/T 4324.26-1984 Methods for chemical analysis of tungsten--The Nessler reagent photometric method for the determination of nitrogen content
GB/T 4325.26-1984 Methods for chemical analysis of molybdenum--The nessler reagent photometric method for the determination of nitrogen content

国家能源局, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

SH/T 0966-2017 Determination of aromatic hydrocarbon content in white oil by UV spectrophotometry
SH/T 0570-2017 Determination of platinum content in reforming catalysts by spectrophotometric method

Professional Standard - Petrochemical Industry, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

SH/T 0409-1992 Determination of Aromatics Content in Liquid Paraffin (UV Spectrophotometry)
SH/T 0181-2005 Standard test method for naphthalene hydrocarbons in jet fuels by ultraviolet spectrophotometry
SH/T 0181-1992 Method for Determination of Naphthalene Hydrocarbon Content in Jet Fuel (Ultraviolet Spectrophotometry)
SH/T 1498.5-1997 Nylon 66 salt.Determination of content of pseudo diaminocyclohexane.Ultraviolet spectrophotometric method
SH/T 1498.7-1997 Nylon 66 salt.Determination of UV index.Ultraviolet spectrophotometric method
SH/T 0020-1990 Determination of phosphorus content in gasoline (spectrophotometry)
SH/T 0683-1999 Standard test method for rhenium in reforming catalysts.Spectrophotometry
SH/T 0705-2001 Standard test method for determination of vanadium in heavy oils by spectrophotometry
SH/T 0182-1992 Method for Determination of Copper Content in Light Petroleum Products (Spectrophotometric Method)
SH/T 0559-1993 Determination of Alkyl Nitrate Content in Diesel Oil (Spectrophotometric Method)
SH/T 1499.7-1997 Pure adipic acid.Determination of content of nitric acid.Spectrophotometric method

CEN - European Committee for Standardization, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
PREN 17178-2018 Liquid petroleum products - Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy

British Standards Institution (BSI), Determination of Nitrogen Content by Ultraviolet Spectrophotometry

BS EN ISO 4945:2010 Steel. Determination of nitrogen content. Spectrophotometric method
BS EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
23/30472739 DC BS EN 10179. Steels. Determination of nitrogen (trace amounts). Spectrophotometric method
BS ISO 20729:2017 Natural gas. Determination of sulfur compounds. Determination of total sulfur content by ultraviolet fluorescence method
BS EN ISO 20846:2011 Petroleum products. Determination of sulfur content of automotive fuels. Ultraviolet fluorescence method
BS EN ISO 20846:2019 Petroleum products. Determination of sulfur content of automotive fuels. Ultraviolet fluorescence method
BS ISO 17058:2004 Steel and iron - Determination of arsenic content - Spectrophotometric method
BS EN 15486:2007 Ethanol as a blending component for petrol. Determination of sulfur content. Ultraviolet fluorescence method
BS ISO 17198:2014 Dimethyl ether (DME) for fuels. Determination of total sulfur, ultraviolet fluorescence method
BS EN 14937-1:2006 Copper and copper alloys - Determination of antimony content - Spectrophotometric method
BS 7020-13:1988 Analysis of iron ores. Method for the determination of arsenic content. Spectrophotometric method
BS PD CEN/TS 15656:2015 Copper and copper alloys. Determination of phosphorus content. Spectrophotometric method
BS DD CEN/TS 15656:2009 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method
BS DD CEN/TS 15022-2:2009 Copper and copper alloys — Determination of tin content Part 2: pectrophotometric method
BS DD CEN/TS 15022-2:2010 Copper and copper alloys. Determination of tin content. Spectrophotometric method
BS DD CEN/TS 15656:2010 Copper and copper alloys. Determination of phosphorus content. Spectrophotometric method
BS ISO 4942:2016 Steels and irons. Determination of vanadium content. N-BPHA spectrophotometric method
DD CEN/TS 15703-1:2009 Copper and copper alloys. Determination of manganese content - Spectrophotometric method
DD CEN/TS 15022-2:2009 Copper and copper alloys. Determination of tin content - Spectrophotometric method
BS 7020-9.1:1989 Analysis of iron ores - Methods for the determination of manganese content - Spectrophotometric method
BS EN 17178:2019 Liquid petroleum products. Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy

International Organization for Standardization (ISO), Determination of Nitrogen Content by Ultraviolet Spectrophotometry

ISO 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 5378:1978 Starches and derived products; Determination of nitrogen content by the Kjeldahl method; Spectrophotometric method
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 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 2899:1974 Sulphuric acid and oleums for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO/CD 20846:2023 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method
ISO 17058:2004 Steel and iron - Determination of arsenic content - Spectrophotometric method
ISO 9441:1988 Steel; determination of niobium content; PAR spectrophotometric method
ISO 4735:1981 Oils of citrus; Determination of CD value by ultraviolet spectrophotometric analysis
ISO 20846:2011 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 20846:2019 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method
ISO 4941:1994 Steel and iron - Determination of molybdenum content - Thiocyanate spectrophotometric method
ISO 3886:1977 Iron ores — Determination of manganese content — Spectrophotometric method
ISO 7834:1987 Iron ores; Determination of arsenic content; Molybdenum blue spectrophotometric method
ISO 629:1982 Steel and cast iron; Determination of manganese content; Spectrophotometric method
ISO 9683:1991 Iron ores; determination of vanadium content; BPHA spectrophotometric method
ISO 10153:1991 Steel; determination of boron content; curcumin spectrophotometric method
ISO 6491:1998 Animal feeding stuffs - Determination of phosphorus content - Spectrometric method
ISO 20846:2004 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method
ISO 4687:1984 Iron ores — Determination of phosphorus content — Molybdenum blue spectrophotometric method
ISO 4942:2016 Steels and irons - Determination of vanadium content - N-BPHA spectrophotometric method
ISO 1055:1975 Zinc and zinc alloys; Determination of iron content; Spectrophotometric method
ISO 1570:1975 Zinc and zinc alloys; Determination of tin content; Spectrophotometric method
ISO 2543:1973 Copper and copper alloys; Determination of manganese; Spectrophotometric method
ISO 4942:1988 Steel and iron; determination of vanadium content; N-BPHA spectrophotometric method
ISO 6491:1980 Animal feeding stuffs; Determination of total phosphorus content; Spectrophotometric method
ISO 4939:2016 Steel - Determination of nickel - Dimethylglyoxime spectrophotometric method
ISO 1810:1976 Copper alloys; Determination of nickel (low contents); Dimethylglyoxime spectrophotometric method
ISO 8556:1986 Aluminium ores; Determination of phosphorus content; Molybdenum blue spectrophotometric method
ISO 3709:1976 Phosphoric acid for industrial use (including foodstuffs); Determination of oxides of nitrogen content; 3,4- Xylenol spectrophotometric method
ISO 10701:1994 Steel and iron; determination of sulfur content; methylene blue spectrophotometric method
ISO/CD 4941:2023 Steel and iron — Determination of molybdenum content — Thiocyanate spectrophotometric method
ISO/DIS 4941:2023 Steel and iron — Determination of molybdenum content — Thiocyanate spectrophotometric method
ISO 1657:1975 Raw rubber and rubber latex — Determination of iron content — 1,10- Phenanthroline photometric method
ISO 4687-1:1992 Iron ores; determination of phosphorus content; part 1: molybdenum blue spectrophotometric method

European Committee for Standardization (CEN), Determination of Nitrogen Content by Ultraviolet Spectrophotometry

EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
EN 10179:1989 Chemical Analysis of Ferrous Materials - Determination of Nitrogen (Trace Mounts) in Steel Spectrophotometric Method
EN ISO 20846:2019 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method (ISO 20846:2019)
prEN 214-1986 Liquid petroleum products; determination of furfural content; spectrophotometric method
PD CEN/TS 15656:2009 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method
CEN/TS 15656:2015 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method
PD CEN/TS 15656:2015 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method

Korean Agency for Technology and Standards (KATS), Determination of Nitrogen Content by Ultraviolet Spectrophotometry

KS D ISO 4945:2002 Steel－Determination of nitrogen content－Spectrophotometric method
KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS H ISO 5378-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method
KS H ISO 5378:2008 Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method
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 H ISO 4735:2011 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 M 2231-2010 Testing method for naphthalene type hydrocarbon contents in aviation turbine fuels by ultraviolet spectrophotometry
KS M 2231-1980 Testing method for naphthalene type hydrocarbon contents in aviation turbine fuels by ultraviolet spectrophotometry
KS D ISO 1053-2002(2007) Zinc－Determination of copper content?Spectrophotometric method
KS M ISO 20846:2021 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method
KS D ISO 17058:2005 Steel and iron－Determination of arsenic content－ Spectrophotometric method
KS D ISO 17058:2020 Steel and iron — Determination of arsenic 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
KS I ISO 13964-2014(2019) Air quality — Determination of ozone in ambient air — Ultraviolet photometric method
KS E ISO 8556:2001 Aluminium ores－Determination of phosphorus content－Molybdenum blue spectrophotometric method
KS D ISO 10153:2007 Steel－Determination of boron content－Curcumin spectrophotometric method
KS D ISO 4942:2002 Steel and iron－Determination of vanadium content－N-BPHA spectrophotometric method
KS D ISO 629:2008 Steel and cast iron－Determination of manganese content－Spectrophotometric method
KS E ISO 9683-1:2010 Iron ores－Determination of vanadium－Part 1：BPHA spectrophotometric method
KS D ISO 10153-2007(2022) Steel－Determination of boron content－Curcumin spectrophotometric method
KS E ISO 9208-2001(2016) Aluminium ores ― Determination of vanadium content ― BPHA spectrophotometric method
KS D ISO 11652:2002 Steel and iron－Determination of cobalt content－Flame atomic absorption spectrometric method
KS D ISO 1055:2012 Zinc and zinc alloys－Determination of iron contentSpectrophotometric method
KS D ISO 1570:2012 Zinc and zinc alloys－Determination of tin content－Spectrophotometric method
KS D ISO 2543:2002 Copper and copper alloys－Determination of manganese－Spectrophotometric method
KS E ISO 6995-2001(2016) Aluminium ores ― Determination of titanium content ― 4,4'-Diantipyrylmethane spectrophotometric method
KS E ISO 8556-2001(2021) Aluminium ores－Determination of phosphorus content－Molybdenum blue spectrophotometric method
KS E ISO 7834-2012(2022) Iron ores－Determination of arsenic content－Molybdenum blue spectrophotometric method
KS D ISO 9441-2002(2022) Steel－Determination of niobium content－PAR spectrophotometric method
KS D ISO 1812-2002(2017) Copper alloys－Determination of iron content－1,10-Phenanthroline spectrophotometric method
KS D ISO 1812-2002(2022) Copper alloys－Determination of iron content－1,10-Phenanthroline spectrophotometric method
KS D ISO 1810:2002 Copper alloys-Determination of nickel(low content)-Dimethylglyoxime spectrophotometric method
KS D ISO 1810:2016 Copper alloys－Determination of nickel(low content)－Dimethylglyoxime spectrophotometric method
KS E ISO 7834:2012 Iron ores-Determination of arsenic content-Molybdenum blue spectrophotometric method
KS I ISO 11564:2004 Stationary source emissions-Determination of the mass concentrationof nitrogen oxides(Naphthylethylenediamine photometric method)
KS I ISO 11564:2014 Stationary source emissions — Determination of the mass concentration of nitrogen oxides(naphthylethylenediamine photometric method)
KS D ISO 4939:2002 Steel and cast iron－Determination of nickel content－Dimethylglyoxime spectrophotometric method
KS E ISO 9208-2001(2021) Aluminium ores ― Determination of vanadium content ― BPHA spectrophotometric method
KS M ISO 1657-2012(2022) Rubber, raw and rubber latex－Determination of iron content－1,10-Phenanthroline photometric method

Danish Standards Foundation, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DS/EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
DS/EN ISO 5378:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophometric method
DS/EN 15486:2007 Ethanol as a blending component for petrol - Determination of sulfur content - Ultraviolet fluorescence method
DS/EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amount) in steels. Spectrophotometric method
DS/EN ISO 20846:2011 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method
DS/CEN/TS 15656:2009 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method

German Institute for Standardization, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DIN EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977); German version EN ISO 4945:2009
DIN ISO 13964:1999 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method (ISO 13964:1998)
DIN EN 10179:2023-07 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method; German and English version prEN 10179:2023 / Note: Date of issue 2023-05-26*Intended as replacement for DIN EN 10179 (1990-04).
DIN EN ISO 5378:1994-10 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978); German version EN ISO 5378:1994
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 ISO 13964:1999-12 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method (ISO 13964:1998)
DIN EN 15486:2007 Ethanol as a blending component for petrol - Determination of sulfur content - Ultraviolet fluorescence method; English version of DIN EN 15486:2007-11
DIN EN 15486:2007-11 Ethanol as a blending component for petrol - Determination of sulfur content - Ultraviolet fluorescence method; German version EN 15486:2007
DIN EN 17178:2018 Liquid petroleum products - Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy; German and English version prEN 17178:2018
DIN EN 17178:2019 Liquid petroleum products - Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy
DIN EN 17178:2019-12 Liquid petroleum products - Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy; German version EN 17178:2019
DIN EN ISO 17852:2008 Water quality - Determination of mercury - Method using atomic fluorescence spectrometry (ISO 17852:2006); English version of DIN EN ISO 17852:2008-04
DIN EN ISO 20846:2019 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method (ISO 20846:2019)
DIN EN 14937-1:2006 Copper and copper alloys - Determination of antimony content - Part 1: Spectrophotometric method English version of DIN EN 14937-1:2006-09
DIN 25499:1991 Determination of plutonium after oxidation to Pu<(hoch)6+>; spectrophotometric method
DIN EN 1136:1994-12 Fruit and vegetable juices - Determination of phosphorus content; spectrophotometric method; German version EN 1136:1994

Professional Standard - Environmental Protection, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry
HJ/T 42-1999 Stationary source emission.Determination of nitrogen oxide.Ultraviolet spectrophotometric method
HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ 756-2015 Determination of water quality butyl xanthate by UV spectrophotometry
HJ 970-2018 Water Quality Determination of Petroleum by UV Spectrophotometry (Trial)
HJ/T 31-1999 Stationary source emission.Determination of phosgene.Aniline ultraviolet spectrophotometric method

Ningxia Provincial Standard of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

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, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DB12/T 884-2019 Determination of Polysaccharide Content in Lily Bulbs by UV/Vis Spectrophotometry
DB12/T 885-2019 Determination of Proanthocyanidins in Plant Extracts by UV/Vis Spectrophotometry
DB12/T 954-2020 Spectrophotometric method for determination of copper and zinc content in manure from dairy farms

Lithuanian Standards Office , Determination of Nitrogen Content by Ultraviolet Spectrophotometry

LST EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
LST EN ISO 5378:2000 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)
LST EN 15486-2007 Ethanol as a blending component for petrol - Determination of sulfur content - Ultraviolet fluorescence method
LST EN ISO 20846:2012 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method (ISO 20846:2011)

AENOR, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

UNE-EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
UNE 55047:1973 FATS. SPECTROPHOTOMETRIC MEASURE OF ABSORPTION IN THE ULTRAVIOLET AREA.
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 5378:1995 STARCHES AND DERIVED PRODUCTS. DETERMINATION OF NITROGEN CONTENT BY THE KJELDHAL METHOD. SPECTROPHOTOMETRIC METHOD. (ISO 5378:1978).
UNE 37258:1986 LEAD. DETERMINATION OF ARSENIC CONTENT. SPECTROPHOTOCOLORIMETRY METHOD.
UNE 35026-1:1985 FERROALLIAGES. DETERMINATION OF PHOSPHORUS CONTENT. SPECTROPHOTOMETRIC METHOD
UNE 77221:2000 AIR QUALITY. DETERMINATION OF OZONE IN AMBIENT AIR. ULTRAVIOLET PHOTOMETRIC METHOD.
UNE 35064-1:1985 FERRO-VANADIUM AND FERROMOLYBDENUM. DETERMINATION OF PHOSPHORUS CONTENT. SPECTROPHOTOMETRIC METHOD
UNE-EN ISO 20846:2012 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method (ISO 20846:2011)
UNE 22143:1990 IRON ORES. DETERMINATION OF PHOSPHORUS CONTENT. SPECTROPHOTOMETRIC METHOD OF MOLYBDENUM BLUE.
UNE 35063-1:1985 FERROCHROME AND FERROSILICOCHROMIUM. DETERMINATION OF PHOSPHORUS CONTENT. SPECTROPHOTOMETRIC METHOD

RO-ASRO, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

STAS SR 13257-1996 COFFEE Determination of nitrogen content by the Kjeldahi method Spectrophotometric method
STAS SR 9763-13-1996 Spices and condiments. Determination of nitrogen content by the Kjeldahl method. Spectrophotometric method
STAS SR EN 10179-1994 Chemicat analysis of ferrous materials - Determination of nitrogen (trace amounts) in steel - Spectrophotometric method
STAS SR 13145-1993 Cast irons and steels. Determination of tantalum content. Spectrophotometrical method
SR ISO 6685:1996 Chemical products for industrial use-General method for determination of iron content - 1,10 - Phenanthroline spectrophotometric method
STAS SR 13362-1996 Sodium chloride. Determination of iron. 1,10 - phenanthroline Photometric Method
STAS SR 11039-5-1996 Silicocalcium. Determination of phosphorus content. Spectrophotometric method
STAS SR 13385-1997 Leather - Determination of hydroxyproline - Spectrophotometrie analysis
STAS SR 13144-1993 Cast irons and steels. Determination of antimony conterit Spectrophotometrical method
SR ISO 4942:1994 Steel and iron. Determination of vanadium content. N-BPHA spectrophotometric method
STAS SR 12800/14 Modifying alloys for cast irons. Determination of cerium content. Spectrophotometrical method
SR 7877-2-1995 Water quality. Determination of petroleum products content. Spectrophotometric method
SR 2603-1994 Steels and irons. Determination of vanadium content. Sodium tungstate spectrophotometric method

Shandong Provincial Standard of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DB37/T 4149-2020 Determination of water quality UV254 by ultraviolet spectrophotometry
DB37/T 3314-2018 Determination of Alginic Acid Content in Fertilizer by Spectrophotometry
DB37/T 3313-2018 Determination of Chitosan Content in Fertilizer by Spectrophotometry

Military Standard of the People's Republic of China-General Armament Department, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

GJB 4781-1997*GJBz 20413.3-1997 Determination of Sies by UV spectrophotometry
GJB 3639-1999 Determination of Benzene Chloroacetophenone UV Spectrophotometry
GJB 4781-1997(XG1-2015) Modification sheet 1-2015 for the ultraviolet spectrophotometric method for determination of Sies
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

YU-JUS, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

JUS H.B8.287-1983 Fertilizers. Determination of content amid-nitrogen. Spectrophotometric method
JUS H.B8.637-1981 Sulphuric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method
JUS H.F8.232-1986 Gases. Determination of hydrocarbons content. Infrared spectrophotometric method
JUS H.G8.418-1991 Reagents. Sodium hvdroxide. Determination of arsenic content. Silver diethvldithiocarbamate spectrophotometric method
JUS H.B8.815-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of copper content - Atomic absorption spectrophotometric method
JUS H.G8.130-1984 Reagents. Ammonia solution. Determination of iron content. 1,10—Phenanthrolinespectrophotometric method
JUS H.F8.153-1986 Gases. Determination of carbon dioxid content. Infrared spectrophotometric method
JUS B.G8.111-1989 Iron ores. Determination of manganese content. Spectrophotometric nethod
JUS H.B8.043-1991 Liquid hydrocarbons. Determination of total chloride content. Spectrophotonetric method
JUS H.Z1.195-1987 Testing of industrial vvaters. Determination of thorium content. Spectrophotometric method.
JUS H.G8.070-1983 Reagents. Bori? acid. Determination of phosphate content. Spectrophotometric method
JUS B.G8.119-1989 Iran ores. Determination of copper cootent. 2,2'-Biquivolyl spectrophotometric method
JUS H.G8.456-1991 Reageats. Potassium sulphats. Determination of pbospbate fc.d?ieot. Spectrophotometric metho?
JUS B.G8.518-1990 AluminiuB ores. Detemiuat ioa of total silicon content. Combived gravlmetric and spectrophotometric metbod
JUS H.G8.128-1984 Reagents. Ammonia solution. Determination of phosphate content. Spectrophotometric method
JUS H.G8.187-1984 Reagents. di-Sodium tetraborate decahydrate. Determination of phosphate content. Spectrophotome- tric method
JUS H.G8.081-1983 Reagents. Sodi um chloride. Determination of phosphate content. Spectrophotometric method
JUS H.G8.054-1983 Reagents, Hydrogen peroxide. Determination of iron content 1,10-Phenanthroline spectrophoto- metric method
JUS H.G8.434-1990 Reaqents. Potassiuia iodide. Detenaination of phospha.te content. Spectrophotometric method

国家市场监督管理总局、中国国家标准化管理委员会, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

GB/T 11060.8-2020 Natural gas—Determination of sulfur compounds—Part 8：Determination of total sulfur content by ultraviolet fluorescence method
GB/T 24583.5-2019 Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric method
GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4：Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method
GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
GB/T 7731.5-2021 Ferrotungsten—Determination of silicon content—Silicomolybdenum blue spectrophotometric method
GB/T 7731.4-2021 Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method
GB/T 37186-2018 Gas analysis—Determination of sulfur dioxide and nitrogen oxides—Ultraviolet differential optical absorption spectroscopy

NL-NEN, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

NEN 6581-1985 Rain water - UV-photometric determination of nitrate content
NEN 2848-1986 Fruit juices - Determination of the total pectin content - Spectrophotometric method
NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
NEN 6485-1983 Water - Photometric determination of chromium content
NEN 2040-1979 Ambient air - Photometric determination of nitrogen dioxide content (Saltzman method)

TR-TSE, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

TS 2466-1976 Nitric Acit For Industrial Use Determination of Ammoniacal Nitrogen Content Spectrophotoraetric Method
TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method
TS 2918-1978 PHOSPHORIC ACID FOR INDUSTRIAL USE (INCLUDING FOODSTUFFS) — DETERMINATION OF OXIDES OF NITROGEN CONTENT — 3,4 — XYLENOL SPECTROPHOTOMETRY

Association Francaise de Normalisation, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

NF T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method.
NF V03-608*NF EN ISO 5378:1994 Starches and derived products. Determination of nitrogen content by the kjeldahl method. Spectrophotometric method.
NF T75-122*NF ISO 4735:2002 Oils of Citrus - Determination of CD value by ultraviolet spectrometric analysis.
NF A06-323:1987 Chemical analysis of steels. Determination of nitrogen content. Molecular absorption spectrophotometric method.
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 Gaz natural - Détermination des composés soufrés - Détermination de la teneur en soufre total par la méthode par fluorescence UV
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 EN ISO 20846:2019 Produits pétroliers - Détermination de la teneur en soufre des carburants pour automobiles - Méthode par fluorescence ultraviolette
NF T90-139*NF EN ISO 17852:2008 Water quality - Determination of mercury - Method using atomic fluorescence spectrometry
NF M07-109*NF EN ISO 20846:2019 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method
NF ISO 13964:1999 Qualité de l'air - Dosage de l'ozone dans l'air ambiant - Méthode photométrique dans l'ultraviolet.
NF A20-430*NF ISO 7834:1988 Iron ores. Determination of arsenic content. Molybdenum blue spectrophotometric method.
NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF M07-122*NF EN 15486:2007 Ethanol as a blending component for petrol - Determination of sulfur content - Ultraviolet fluorescence method.
NF A22-410:1986 Manganese ores. Determination of arsenic content. Spectrophotometric and volumetric determinations.
NF A20-401:1985 Iron ores. Determination of phosphorus content. Spectrophotometric method.
NF A20-423:1986 Iron ores. Determination of titanium content. Spectrophotometric determination.
NF A11-101:1983 Chemical analysis of ferroniobium. Determination of niobium content gravimetric method. Determination of tantalum content. Spectrophotometric method.
XP M07-113:2003 Produits pétroliers - Détermination de la teneur en traceur Solvent Yellow 124 dans les distillats moyens - Méthode par chromatographie liquide à haute performance avec détection par spectrophotométrie UV-Visible
NF EN 17178:2019 Produits pétroliers liquides - Détermination de la teneur en soufre volatil dans les gaz de pétrole liquéfiés par spectroscopie de fluorescence ultra-violette
NF M07-109*NF EN ISO 20846:2004 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method
NF M07-109*NF EN ISO 20846:2011 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method
NF A08-709-1*NF EN 14937-1:2006 Copper and copper alloys - Determination of antimony content - Part 1 : spectrophotometric method.
NF M07-073:2001 Petroleum products - Determination of the content of total aromatic hydrocarbons in saturated fractions - Ultra-Violet absorbance spectrometric method for low contents.
NF V18-106*NF ISO 6491:2011 Animal feeding stuffs - Determination of phosphorus content - Spectrophotometric method
NF V18-106:1980 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method.
XP A06-727*XP CEN/TS 15656:2015 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method
NF M41-027*NF EN 17178:2019 Liquid petroleum products - Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy
NF ISO 17198:2015 DME comme carburants ou combustibles - Détermination de la teneur en soufre total - Méthode par fluorescence ultraviolet
NF X43-339*NF ISO 11564:2000 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method.
NF A10-504:1986 Chemical analysis of silico-chromium. Determination of phosphorus content. Spectrophotometric method.
NF A10-404:1986 Chemical analysis of ferro-chromium. Determination of phosphorus content. Spectrophotometric method.
NF A10-204:1986 Chemical analysis of ferro-manganese. Determination of phosphorus content. Spectrophotometric method.
NF T20-805:1980 Light olefins for industrial use. Determination of ammonia. Spectrophotometric method.
NF A20-402:1985 Iron ores. Determination of phosphorus content. Molybdenum blue spectrophotometric method.

Professional Standard - Light Industry, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

QB/T 2334-1997 Qualitative determination of ultraviolet absorbers in cosmetics by ultraviolet spectrophotometry

Hebei Provincial Standard of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

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

IN-BIS, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

IS 1448 Pt.63-1967

Group Standards of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

T/QAS 035-2021 Determination of nitrate in brine by ultraviolet spectrophotometry
T/CSTM 00198-2021 Graphene quantum dots—Determination of enzyme-like activities — Ultraviolet-visible spectrophotometry
T/GXAS 545-2023 Seawater—Rapid determination of petroleum on site—Ultraviolet spectrophotometric method
T/NAIA 0193-2023 Determination of Concentration and Purity of Single-chain Antibody Eukaryotic Expression Plasmid DNA by UV Spectrophotometry
T/NAIA 097-2021 Determination of total phenolic content in Lycium barbarum by spectrophotometric method
T/SDAQI 034-2021 Determination of chromium (VI) in fertilizers-Spectrophotometric
T/QAS 082.3-2022 Chemical Analysis of Rock Salt and Glauber's Salt Part 3: Determination of Nitrate by Ultraviolet Spectrophotometry
T/ZCSIA 8-2023 Determination of total polyphenol content in sweet potato leaves by spectrophotometric method

中华全国供销合作总社, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

GH/T 1290-2020 Determination of the total content of Zanthoxylum amide in Zanthoxylum bungeanum and Zanthoxylum bungeanum processing products by UV spectrophotometry

工业和信息化部, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

YB/T 4582.3-2017 Determination of phosphorus content in silicon iron nitride bismuth phosphorus molybdenum blue spectrophotometry
YB/T 4582.6-2017 Determination of silicon ferromanganese nitride content sodium periodate spectrophotometry
YB/T 4566.6-2016 Determination of phosphorus content in vanadium iron nitride bismuth phosphorus molybdenum blue spectrophotometry
YB/T 4582.2-2017 Determination of ferrochromium content in silicon nitride diphenylcarbazide spectrophotometric method
YB/T 4582.9-2017 Determination of titanium silicon nitride content diantipyrine methane spectrophotometry
YB/T 4531-2016 Determination of iron phosphorus silicon content by silicon molybdenum blue spectrophotometry
YB/T 4726.5-2021 Determination of phosphorus content in iron-containing dust sludge bismuth phosphorus molybdenum blue spectrophotometry
YS/T 424.3-2022 Methods for chemical analysis of titanium diboride powder Part 3: Determination of iron content 1,10-phenanthroline spectrophotometric method
YB/T 4989-2022 Determination of Coal Tar Content in Coke Oven Gas Spectrophotometrically

BE-NBN, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN-EN ISO 5378:1994 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)
NBN P 32-004-1977 Zinc - Determination of copper content -Spectrophotometric method
NBN T 03-024-1979 Sulphuric acid and oleum for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 04-304-1983 Urea for indus trial use - Determination of iron content-2,2'-Bipyridyl photometric method
NBN T 03-270-1980 Phosphoric acid for industrial use (including foodstuffs)-Determi-nation of oxides of nitrogen content - 3,4-Xylenol spectrophotometric method
NBN EN 1136-1995 Fruit and vegetable juices - Determination of phosphorus content - Spectrometric method
NBN T 95-301-1977 Determination of the nitrogen oxides content of flue gasses -Photometrie method with chromotropic acid
NBN-EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method
NBN P 32-008-1977 Zinc and zinc alloys - Determination of tin content -Spectrophotometric method
NBN P 32-006-1977 (Zinc and zinc alloys - Determination of iron content Spectrophotometric method

SE-SIS, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

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

PL-PKN, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

PN C97088-1987 Coal derivative products UV spectrophotometric determination of tar acids content in coal tar and oils
PN-ISO 20729-2020-10 P Natural gas -- Determination of sulfur compounds -- Determination of total sulfur content by ultraviolet fluorescence method
PN C97087-1987 UV Spectrophotometric determination of phenols in coke and waste waters
PN C04194-1992 Petroleum products Determination of the benzene content in gasoline by infrared spectrophotometric method
PN-EN ISO 20846-2020-03 P Petroleum products--Determination of sulfur content of automotive fuels--Ultraviolet fluorescence method (ISO 20846:2019)
PN Z04200-02-1988 Air purity protection ests for oxalic acid etermination of oxalic acid by ltraviolet absorption spectrophotometry
PN H04112-1992 Iron ores. Determination of arsenic content. Molybdenum blue spectrophotometric method
PN-EN 17178-2020-01 P Liquid petroleum products--Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy

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, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

GB/T 36084-2018 Nanotechnology—Determination of copper, manganese and chromium ions in aqueous solution—Ultraviolet-visible spectrophotometry
GB/T 6730.44-2017 Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthol spectrophotometric method
GB/T 5195.6-2017 Fluorspar—Determination of phosphorus content—Photometric method
GB/T 6730.37-2017 Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
GB/T 6730.34-2017 Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 6730.42-2017 Iron ores—Determination of lead content—Dithizone spectrophotometric method

海关总署, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

SN/T 5153-2019 Determination of fluorescent whitening agent content in household paper by UV spectroscopy

RU-GOST R, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

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
GOST 31584-2012 Milk. Spectrophotometric method for determination of total phosphorus content
GOST 31980-2012 Milk. Spectrometric method for determination of total phosphorus content
GOST 30181.5-1994 Mineral fertilizers. Method for determination of mass fraction of amide nitrogen in compound fertilizers (spectrophotocolorimetric method)
GOST 32223-2013 Juice products. Photometric method for determination of pectin content
GOST 28902-1991 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method
GOST R ISO 10153-2011 Steel. Determination of boron content. Curcumin spectrophotometric method

CZ-CSN, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

CSN EN 10 179-1993 Chemical analysis of ferrous metals — Determination of nitrogen (trace amounts) in steels — Spectrophotometric method
CSN ISO 9061:1992 Acid-grade and ceramic-grade fluorspar - Determination of iron content - 1,10-Phenantroline spectrometric method
CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides
CSN ISO 4751:1992 Copper and copper alloys - Determination of tin content - Spectrometric method
CSN ISO 4942:1993 Steel and iron. Determination of the vanadium content. N-BPHA spectrophotometric method
CSN 75 7400-1998 Water quality - Determination of silver by atomic absorption spectrometric methods
CSN EN 29658-1994 Steel - Determination of aluminium content - Flame atomic spectrometric method
CSN ISO 317:1992 Manganese ores and concentrates. Determination of arsenic content - Spectrometric method
CSN ISO 778:1994 Pulps. Determination of copper content. Extraction photometric and flame atomic absorption spectrometric methods

国家质量监督检验检疫总局, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

SN/T 4383-2015 Determination of polyvinyl alcohol (PVA) content in glutinous rice paper, food contact materials, by UV-visible spectrophotometry
SN/T 0859-2016 Determination of dehydroacetic acid in export seasonings by UV spectrophotometry

Professional Standard - Aviation, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

HB 5297.17-2001 Chemical Analysis Method of Titanium Alloy AzoarsenicⅢ Spectrophotometric Determination of Zirconium Content
HB 5297.20-2001 Chlorophosphine azo Ⅲ Spectrophotometric Method for Chemical Analysis of Titanium Alloy Determination of Cerium Content
HB 5422.23-1989 Determination of zirconium content by arsenazoⅢ absorptiophotometric method for chemical analysis of copper alloy
HB 5220.42-1995 Determination of Cerium Content by DBC-Arsenazo Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.43-1995 Determination of Lanthanum Content by DBC-Arsenazo Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5422.12-1989 Copper alloy chemical analysis method crystal violet-toluene extraction absorptiometry for determination of antimony content
HB 5220.36-1995 Determination of Zirconium Content by Arsenazo Ⅲ Direct Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.48-1995 Superalloy Chemical Analysis Method Water Steam Distillation - Volumetric Method (or Absorptiometry) Determination of Nitrogen Content
HB 5220.42-2008 Methods for chemical analysis of superalloys. Part 42: Determination of cerium content by DBC-arsenazo photometric method
HB 5220.43-2008 Methods for chemical analysis of superalloys. Part 43: Determination of lanthanum content by DBC-arsenazo photometric method
HB 5220.38-1995 Extraction and Separation by Chemical Analysis Method of Superalloy - Determination of Cerium Content by ArsenazoⅢ Absorbance Spectrophotometry
HB 5219.19-1998 Determination of Cerium Content by Spectrophotometric Method of Tribromoarsine in Magnesium Alloy
HB 5220.48-2008 Methods for chemical analysis of superalloys. Part 48: Determination of nitrogen content by water vapour distillation-volumetric method( or photometric method)
HB 5220.36-2008 Methods for chemical analysis of superalloys. Part 36: Determination of zirconium content by arsenazo Ⅲ photometric method
HB 5220.38-2008 Methods for chemical analysis of superalloys. Part 38: Determination of cerium content by extraction separation-arsenazo Ⅲ photometric method
HB 5220.37-1995 Chemical analysis methods of superalloys Tantalum reagent-benzene extraction-ArsenazoⅢ Absorption photometry Determination of zirconium content

Professional Standard - Ferrous Metallurgy, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

YB/T 5330-2009 Determination of Ferrovanadium Pentoxide Content O-Phenanthroline Spectrophotometry
YB/T 190.8-2014 Continuous casting powder.The determination of iron content.The o-phenanthroline spectrophotometric method and the flame atomic absorption method
YB/T 505.5-2007 Vanadium and titanium slag Determination of ferric oxide content-Photometric method
YB/T 4310-2012 Molybdenum oxide.Determination of phosphorus content.The molybdenum blue spectrophtometric method
YB/T 5044-2012 Molybdenum oxide.Determination of tin content.Spectrophotometric method of phenylfluorone
YB/T 547.4-2014 Vanadium slag.Determination of phosphorus conten.Bismuth phosphomolybdate blue spectrophotometric method
YB/T 109.5-2012 Silicon barium alloy.Determination of phosphorus content.The molybdenum blue spectrophotometric method
YB/T 5046-2012 Molybdenum oxide.Determination of antimony.Spectrophotometric method of malachite green
YB/T 5334-2009 Determination of vanadium pentoxide arsenic content AgDDTC spectrophotometric method

American Society for Testing and Materials (ASTM), Determination of Nitrogen Content by Ultraviolet Spectrophotometry

ASTM E878-12 Standard Test Method for Determination of Titanium in Iron Ores and Related Materials by Diantipyrylmethane Ultraviolet Spectrophotometry
ASTM UOP495-00 Aromatics in Molex n-Paraffin Products by Ultraviolet Spectrophotometry
ASTM D8496-23 Standard Test Method for Determination of Hydroquinone (HQ) Content in Vinyl Acetate Monomer (VAM) Using Ultraviolet-Visible (UV-Vis) Spectrophotometer
ASTM E1754-17 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM E1754-17a Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM D1840-22 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
ASTM UOP804-83 Carbonyl Content of Phenol by Visible Spectrophotometry
ASTM E1786-17 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry
ASTM E1786-17a Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry
ASTM D6645-01 Standard Test Method for Methyl (Comonomer) Content in Polyethylene by Infrared Spectrophotometry

PT-IPQ, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

Professional Standard - Non-ferrous Metal, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

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
YS/T 535.4-2009 Chemical analysis methods of sodium fluoride.Part 4:Determination of iron content.1,10-phenanthroline spectrophotometric method
YS/T 74.7-1994 Cadmium Chemical Analysis Method 1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 536.2-2006 Bismuth Chemical Analysis Method 1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 520.8-2006 Gallium Chemical Analysis Method Ethyl Violet Spectrophotometric Determination of Indium Content
YS/T 74.8-2010 Mehtods for chemical analysis of cadmium- Part 8:Determination of thallium content- Crystal violet spectrophotometry
YS/T 520.4-2007 Chemical analysis of gallium.Part 4: Determination of iron content.The 4,7-diphenyl-1,10-phenanthroline spectrophotometric method
YS/T 244.8-2008 Chemical analysis methods of high purity aluminum.Part 8: Determination of indium content by extraction-crystal violet photometric method
YS/T 520.2-2007 Chemical analysis of gallium.Part 2: Determination of lead content.The 4-(2-pyridy lazo)-resorcinol spectrophotometric method
YS/T 746.16-2010 Methods for chemical analysis of lead-free tin-based solders- Part 16: Determination of total rare earth content- Arserazo Ⅲ spectrophotometry

Professional Standard - Geology, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DZ/T 0064.59-1993 Groundwater Quality Examination Method Determination of Nitrate by Ultraviolet Spectrophotometry
DZ/T 0064.59-2021 Methods of Analytical Groundwater Quality Part 59: Determination of Nitrate by Ultraviolet Spectrophotometry

Professional Standard - Railway, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

TB/T 2544.3-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Benzotriazole by UV Spectrophotometry

VN-TCVN, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

TCVN 7726-2007 Ambient air.Determination of sulfur dioxide.Ultraviolet fluorescence method
TCVN 7724-2007 Water quality.Determination of merdury.Method using atomic fluorescence spectrometry
TCVN 7171-2002 Air quality.Determination of ozone in ambient air.Ultraviolet photometric method
TCVN 1525-2001 Animal feeding stuffs.Determination of Phosphorus content.Spectrometric method
TCVN 1675-2007 Iron ores.Determination of arsenic content.Molybdenum blue spectrophotometric method
TCVN 4779-1999 Aluminium ores.Determination of phosphorus content.Molypdenum blue spectrophotometric method

Heilongjiang Provincial Standard of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DB23/T 2963-2021 Determination of Trace Calcium Content in Natural Flake Graphite by Calcium-Arsenazo Ⅲ Spectrophotometric Method
DB23/T 1382-2010 Spectrophotometric method for determination of urea content in feed

IT-UNI, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

UNI 7336-1974 Chemical analysis of ferrous materials. Determination of nitrogen in steel. Spectrophotometric method.

Professional Standard - Chemical Industry, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

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
HG/T 4327-2012 Reclaimed water.Determination of total iron content.Spectrophotometric method

KR-KS, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

KS M ISO 20846-2021 Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method
KS D ISO 17058-2020 Steel and iron — Determination of arsenic content —Spectrophotometric method
KS D ISO 629-2008(2023) Steel and cast iron－Determination of manganese content－Spectrophotometric method
KS D ISO 4942-2022 Steels and irons — Determination of vanadium content — N-BPHA spectrophotometric method

Sichuan Provincial Standard of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

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

ES-UNE, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

UNE-EN ISO 20846:2020 Petroleum products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method (ISO 20846:2019)
UNE-EN 17178:2020 Liquid petroleum products - Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy

未注明发布机构, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

BS ISO 17058:2004(2008) Steel and iron — Determination of arsenic content — Spectrophotometric method
BS ISO 13964:1998(1999) Air quality — Determination of ozone in ambient air — Ultravioletphotometric method

Japanese Industrial Standards Committee (JISC), Determination of Nitrogen Content by Ultraviolet Spectrophotometry

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
JIS K 2180-5:2013 Dimethylether (DME) for fuels -- Part 5: Determination of total sulfur -- Ultraviolet fluorescence method
JIS M 8216:2021 Iron ores -- Determination of phosphorus content -- Phosphomolybdate blue spectrophotometric method

Jiangsu Provincial Standard of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DB32/T 4344-2022 Determination of Oils in Marine Sediments Ultrasonic Extraction-Ultraviolet Spectrophotometry

中华人民共和国环境保护部, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method

ZA-SANS, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

SANS 13964:2004 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method

Standard Association of Australia （SAA）, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

AS 3753:2001 Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry
AS 3719.1:1989 Aluminium and aluminium alloys - Determination of iron - Spectrophotometric method

GOSTR, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

GOST ISO 20846-2016 Liquid petroleum products. Determination of sulfur content of automotive fuels. Ultraviolet fluorescence method

Yunnan Provincial Standard of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DB53/T 729-2015 Determination of germanium content in zinc materials spectrophotometric method

Jilin Provincial Standard of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DB22/T 2288-2015 Determination of Phospholipid Content in Deer Antler by Spectrophotometry
DB22/T 1670-2012 Determination of lignin content in ginseng by spectrophotometry

Fujian Provincial Standard of the People's Republic of China, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

DB35/T 1351-2013 Determination of total sulfur content in gaseous hydrocarbons and liquefied petroleum gases by ultraviolet fluorescence method

Professional Standard - Nuclear Industry, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

EJ/T 20167-2018 Determination of nitrogen content in reprocessed uranium trioxide powder by distillation-Nessler reagent spectrophotometry
EJ/T 949-1995 Spectrophotometric method for determination of carrier content in radiopharmaceuticals

Professional Standard - Petroleum, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

SY/T 0530-1993 Spectrophotometric method for the determination of oil content in oilfield sewage
SY/T 0530-2011 Determination of oil content in oilfield produced water.Spectrophotometry method
SY 0530-2011 Spectrophotometric method for determination of oil content in oilfield produced water

中国石油化工总公司, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

SH/T 0167-1992 Determination of arsenic content in reformed feed oil (spectrophotometric method)

AT-ON, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

ONORM C 1157-1995 Testing of petroleum products - Determination of chinizarene content -Spectrophotometric method

Universal Oil Products Company (UOP), Determination of Nitrogen Content by Ultraviolet Spectrophotometry

UOP 495-2003 AROMATICS IN MOLEX PROCESS n-PARAFFIN PRODUCTS BY ULTRAVIOLET SPECTROPHOTOMETRY

HU-MSZT, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

Professional Standard - Energy, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

NB/SH/T 0570-2017 Determination of Platinum Content in Reforming Catalysts Spectrophotometric Method

农业农村部, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

NY/T 3676-2020 Determination of total triterpene content in Ganoderma lucidum by spectrophotometric method
NY/T 3608-2020 Method for determination of collagen content in livestock and poultry bones Spectrophotometry

Professional Standard - Rare Earth, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

XB/T 601.7-1993 Lanthanum hexaboride chemical analysis method 1,10-phenanthrene-phenanthrene spectrophotometric determination of iron content

ET-QSAE, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

ES 401-2000

BELST, Determination of Nitrogen Content by Ultraviolet Spectrophotometry

STB GOST R 51430-2006 Fruit and vegetable juices. Spectrophotometric method for determination of phosphorus content