ZH
RU
ES

Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry, Total:469 items.

In the international standard classification, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry involves: Water quality, Vocabularies, Fertilizers, Soil quality. Pedology, Environmental protection, General methods of tests and analysis for food products, Burners. Boilers, Air quality, Biology. Botany. Zoology, Organic chemicals, Sugar. Sugar products. Starch, Non-metalliferous minerals, Fuels, Wastes, Ferrous metals, Analytical chemistry, Farming and forestry, Non-ferrous metals, Products of the chemical industry, Natural gas, Animal feeding stuffs, Spices and condiments. Food additives, Cereals, pulses and derived products, Pesticides and other agrochemicals, Nuclear energy engineering, Radiation protection, Test conditions and procedures in general, Pharmaceutics, Optics and optical measurements, Geology. Meteorology. Hydrology, Veterinary medicine, Metalliferous minerals, Materials for the reinforcement of composites, Conducting materials, Tobacco, tobacco products and related equipment, Lubricants, industrial oils and related products, Fruits. Vegetables, Inorganic chemicals, Testing of metals, Extraction and processing of petroleum and natural gas, Food products in general, Petroleum products in general, Power stations in general, Materials and articles in contact with foodstuffs, Non-destructive testing, Plastics, Paints and varnishes, Refractories, Beverages, Rubber.

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

GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB/T 16077-1995 Workplace air--Determination of phosgene--Ultraviolet spectrophotometric method
GB/T 14571.4-2008 Ethylene glycol for industrial use.Determination of ultraviolet transmittance.Ultraviolet spectrophotometric method
GB/T 18932.6-2002 Method for the determination of glycerol contents in honey--UV spectrophotometric method
GB/T 12153-1989 Analysis of water used in boiler and cooling system--Determination for mineral oil--Ultraviolet spectrophotometry
GB/T 23195-2008 Determination method of catalase in bee pollen by ultraviolet spectrophotometry
GB/T 16055-1995 Workplace air--Determination of diphenyl-diphenyl ether--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 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 6437-2002 Determination of phosphorus in feed--Spectphotometry
GB/T 11060.8-2012 Natural gas.Determination of sulfur compound.Part 8:Determination of total sulfur content by ultraviolet fluorescence method
GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 14423-1993 Analysis of water used in boiler and cooling system. 2-Mercaptobenzothiazole. Ultraviolet spectrophotometry
GB/T 11893-1989 Water quality--Determination of total phosphorus--Ammonium molybdate spectrophotometric method
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 11843-1989 Uranium dioxide powder and pellets--Determination of nitrogen--Spectrophotometric method
GB 11843-1989 Determination of Nitrogen in Uranium Dioxide Powder and Pellets Spectrophotometric Method
GB/T 7468-1987 Water quality--Determination of total mercury--Cold atomic absorption spectrophotometry
GB 7468-1987 Determination of Total Mercury in Water Quality by Cold Atomic Absorption Spectrophotometry
GB/T 6730.24-2006 Iron ores Determination of total rare earth contentd Chlorophosphonazo mA spectrophotometric method
GB/T 19611-2004 Tobacco and tobacco products Determination of maleic hydrazide residues UV Spectrophotometer Method
GB/T 4918-1985 Waste water from manufacturing process--Determination of total nitro compounds--Spectrophotometric method
GB/T 20574-2006 Method for determination of total flavonoids in propolis. Colorimetric method
GB/T 7717.8-1994 Acrylonitrile for industrial use-Determination of content of total aldehydes-Spectrophotometric method
GB/T 6730.24-1986 Methods for chemical analysis of iron ores--The arsenazo 3 photometric method for the determination of rare earth elements content
GB/T 16032-1995 Workplace air--Determination of nitrogen oxides--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates
GB/T 223.49-1994 Methods for chemical analysis of iron,steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare tarth content
GB/T 6987.24-2001 Aluminium and aluminium alloys--Determination of the cerium subgroup of rare earth elements content--Tribromoarsenazo spectrophotometric method
GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
GB/T 11889-1989 Water quality--Determination of aniline compounds--Spectrophotometric method with N-(1-naphthyl) ethylenediamine
GB/T 17036-1997 Determination of germanium in uranium geological samples--Salicyl fluorone spectrophotometry
GB/T 13580.12-1992 Determination of sodium and potassium in the wet precipitation.Atomic absorption spectrophotometry
GB/T 8647.1-1988 Nickel--Determination of iron content--Sulfosalicylic acid spectrophotometric method
GB/T 7485-1987 Water quality--Determination of total arsenic--Silver diethyldithiocarbamate spectrophotometric method
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling. Determination of nitrates and nitrites. Part 1: Ultraviolet spectrophotometry for nitrates
GB/T 12152-1989 Analysis of water used in boiler and cooling system--Determination of mineral oil--Infrared photometric method
GB/T 7469-1987 Water quality--Determination of total mercury--Potassium permanganate-potassium persulfate decomposed method--Dithizone spectrophotometric method
GB/T 23993-2009 Determination of formaldehyde content of waterborne coatings.Spectrophtometric method with acetylacetone
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB/T 11898-1989 Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine
GB 11898-1989 Determination of free chlorine and total chlorine in water quality N,N-diethyl-1,4-phenylenediamine spectrophotometric method
GB/T 11064.7-1989 Lithium carbonate,lithium hydroxide monohydrate and lithium chloride--Determination of iron content--1.10-phenanthroline spectrophotometric method
GB/T 16633-1996 Industrial circulating cooling water--Determination of silica--Spectrophotometric method
GB 9018.7-1988 Celestite ores--Determination of iron content--Sulphosalicylic acid spectrophotometric method
GB 223.49-1985 Methods for chemical analysis of iron,steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements
GB/T 8762.2-1988 Yttrium oxide and europium oxide of phosphor grade--Determination of calcium oxide content--N2O-C2H2 flame atomic absorption spectrophotometric method
GB/T 10658-1989 Analytical methods for boiler water and colling water--Determination of iron in prefilming liquid containing phosphorus and zinc--Sulphosalicylic acid spectrophotometry
GB/T 23836-2009 Determination of molybdate in industrial circulating cooling water.Spectrometric method using thiocyanate
GB/T 11064.7-2013 Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride.Part 7:Determination of iron content.1,10-Phenanthroline spectrophotometric method

Professional Standard - Environmental Protection, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
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 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
HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
HJ 1191-2021 Spectrophotometric method for the determination of water quality azide
HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 535-2009 Water quality.Determination of ammonia nitrogen.Nessler's reagent spectrophotometry
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry
HJ 665-2013 Water quality.Determination of ammonium nitrogen by continuous flow analysis (CFA) and Salicylic acid spectrophotometry
HJ 666-2013 Water quality.Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
HJ 597-2011 Water quality- Determination of total mercury -Cold atomic absorption spectrophotometry
HJ 671-2013 Water quality.Determination of total phosphorus.Flow injection Analysis (FIA) and Ammonium molybdate spectrophotometry
HJ 811-2016 Water quality―Determination of total selenium―3,3′-Diaminobenzidine spectrophotometric method
HJ 550-2015 Water quality.Determination of cobalt.5-Cl-PADAB Spectrophotometry
HJ/T 43-1999 Stationary source emission-Determination of nitrogen oxide-N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method
HJ 637-2012 Water quality.Determination of petroleum oils and animal and vegetable oils.Infrared spectrophotometry
HJ 637-2018 Water Quality Determination of Petroleum and Animal and Vegetable Oils Infrared Spectrophotometry
HJ 595-2010 Water quality.Determination of the total amount of the color developing agent.169 Coupler spectrophotometry
HJ 670-2013 Water quality.Determination of orthophosphate and total phosphorus.Continuous flow analysis (CFA) and Ammonium molybdate spectrophotometry
HJ 586-2010 Water quality.Determination of free chlorine and total chlorine.Spectrophotonetric method using N,N-diethyl-1,4-phenylenediamine
HJ 594-2010 Water quality.Determination of the total amount of the developing agent and their oxides.Iodine-starch spectrophotometry

Professional Standard - Water Conservancy, Determination of Total Nitrogen in Water 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)
SL/T 272-2001 Water quality.Determination of total selenium.Iron(Ⅱ)-O-phenanthroline indirect spectrophotometry
SL/T 271-2001 Water quality - Determination of total mercury - Potassium borohydride reduction - Cold atomic absorption spectrophotmetry
SL/T 220-1998 Determination of the trace amounts of Copper Zinc Cadmium and Lead in Water (Flow injection atomic absorption spectrometry)

Professional Standard - Agriculture, Determination of Total Nitrogen in Water 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 1799-2009 Determination of oxazolidinethione in rapeseed meal and feed Spectrometric method
NY/T 4306-2023 Determination of activity of papaya and bromelain by ultraviolet spectrophotometry
NY/T 30-1986 Determination of rare earth oxide content in soil.Chlorophosphonazo-p-hippuric acid photometric method
GB 6260-1986 Determination of Total Oxidized Rare Earth in Soil Spectrophotometric Method for Azochlorophosphorus Hippurate
NY/T 2332-2013 Determination of total sugars in red ginseng.Spectrophotometry
NY/T 1373-2007 Determination of Sulfite in Edible Fungus Distill under Nitrogen with the Method of Spectrophotometer
DBJ440100/T 43-2009 Determination of Total Chromium in Water Quality Graphite Furnace Atomic Absorption Spectrophotometry
SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
NY/T 2016-2011 Determination of pectin content in fruit and derived product.Spectrophotometry method
NY/T 1600-2008 Determination of tannin content in fruit, vegetable and derived product. Spectrophotometry method
水产品质量安全检验手册 6.14.1.1-2005 Chapter 6 Inspection of elements in aquatic products Section 14 Determination of total arsenic and inorganic arsenic in aquatic products (GBT 5009.11-2003) 1. Determination of total arsenic (1) Hydride atomic fluorescence spectrometry

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

DB64/T 1515-2017 Determination of Total Glucosides in Sheep Placenta Capsules by Ultraviolet Spectrophotometry
DB64/T 1082-2015 Determination of total flavonoids content in wolfberry - spectrophotometric colorimetry

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

DB37/T 4149-2020 Determination of water quality UV254 by ultraviolet spectrophotometry
DB37/T 1953-2011 Determination of copper, zinc, lead and cadmium in agricultural water - atomic absorption spectrophotometry

Professional Standard - Light Industry, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

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

Group Standards of the People's Republic of China, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

T/QAS 035-2021 Determination of nitrate in brine by ultraviolet spectrophotometry
T/GXAS 545-2023 Seawater—Rapid determination of petroleum on site—Ultraviolet spectrophotometric method
T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/NAIA 097-2021 Determination of total phenolic content in Lycium barbarum by spectrophotometric method
T/CSTM 00198-2021 Graphene quantum dots—Determination of enzyme-like activities — Ultraviolet-visible spectrophotometry
T/GDFDTAEC 03-2022 Determination of total ginsenosides in health food by Spectrophotometry
T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/NAIA 0193-2023 Determination of Concentration and Purity of Single-chain Antibody Eukaryotic Expression Plasmid DNA by UV Spectrophotometry
T/ZCSIA 8-2023 Determination of total polyphenol content in sweet potato leaves by spectrophotometric method
T/QAS 046-2021 Determination of total iron, ferrous iron and ferric iron in brine by phenanthroline spectrophotometric method
T/QAS 082.3-2022 Chemical Analysis of Rock Salt and Glauber's Salt Part 3: Determination of Nitrate by Ultraviolet Spectrophotometry
T/GDFDTAEC 05-2022 Determination of total flavonoids in propolis health food by Spectrophotometry
T/GDFDTAEC 06-2022 Determination of total triterpenoids in Ganoderma lucidum health food by Spectrophoto
T/NAIA 004-2020 Determination of Ammonia Nitrogen Concentration in Rumen Fluid Alkaline Sodium Hypochlorite-Phenol Spectrophotometry
T/ZCSIA 7-2023 Spectrophotometric method for determination of total phenolic content in large cherries and their products
T/ZCSIA 9-2023 Determination of total flavonoid content in strawberries and their products by spectrophotometric method
T/LNEMA 004-2022 Determination of Boron in Drinking Water by Flow Injection Spectrophotometry
T/NAIA 061-2021 Determination of Cyanogen Chloride in Drinking Water by Flow Injection Spectrophotometry
T/CAIA SH002-2014 Water for drinking determination of fluoride 2-(parasulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid, zirconium salt spectrophotometric method
T/SDAQI 035-2021 Determination of iron oxide content in bauxite Sulfosalicylic acid spectrophotometric method

PL-PKN, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

PN C97087-1987 UV Spectrophotometric determination of phenols in coke and waste waters
PN C97085-1986 Carbochemical products UV Spectrophotometric determination of naphihalene in coal tar and coal tar oils
PN C97089-1989 Carbochemical products UV spectrophotometric determination of anthracene in coal tar and coal tar oils
PN C97088-1987 Coal derivative products UV spectrophotometric determination of tar acids content in coal tar and oils
PN-EN 17178-2020-01 P Liquid petroleum products--Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy
PN Z04200-02-1988 Air purity protection ests for oxalic acid etermination of oxalic acid by ltraviolet absorption spectrophotometry
PN Z04171-02-1986 Air purity protection ests for picric acid etermination of picric acid n work places by UV pectrophotometry absorption
PN EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method
PN C04194-1992 Petroleum products Determination of the benzene content in gasoline by infrared spectrophotometric method
PN Z04169-02-1986 Air purity.protection Tests for 4,6-dinitroorthocreso! Determination of 4,6-dinitroorthocresol in work places by UV spectrophotometry absorption
PN C04586-02-1990 Water and waste water Test for iron Determination of total and total dissolved iron by spectrophotometric method with bathophenanthroline Rang?: 0,002 H- 0,030 mg/l
PN C04642-06-1993 Water and waste water. Tests for pollutants in atmopheric precipitation. Determination of chlorides by spectrophotometric method
PN Z04092-08-1989 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen dioxide in ambient air (imision) by spectrophotometric method with passive sampling
PN Z04009-03-1990 Air purity protection Tests for nitrogen compounds Determination of ammonia in work places by spectrophotometry in visible spectra] region, indopheno] method

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

GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method
GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 11893-1989 Water quality-Determination of total phosphorus-Ammonium molybdate spectrophotometric method
GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid
GB 4918-1985 Waste Water from manufacturing process-Determination of total nitro compounds-Spectrophotometric method
GB 11889-1989 Water quality-Determination of auiline compounds-Spectrophotometric method with N-(1-naphthyl)echylenediamine
GB 13580.12-1992 Determination of sodium and potassium in the wet precipitation—Atomic absorption spectrophotometry
GB 13580.13-1992 Determination of calcium and magnesium in the wet precipitation--Atomic absorption spectrophotometry
GB 7485-1987 Water quality-Determination of total arsenic-Silver diethyldithiocarbamate spectrophotometric method
GB 7469-1987 Water quality-Determination of total mercury-potassium permanganats-potassium persaifate decomposed method-Dithizonc spectrophotometric method

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 Total Nitrogen in Water by Ultraviolet Spectrophotometry

GB/T 34796-2017 Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectrophotometry
GB/T 36084-2018 Nanotechnology—Determination of copper, manganese and chromium ions in aqueous solution—Ultraviolet-visible spectrophotometry
GB/T 34100-2017 Test method for determination of total sulfur in light hydrocarbons，spark ignition engine fuel ,diesel engine fuel, and engine oil—Ultraviolet fluorescence method
GB/T 34176-2017 Chemical analysis methods for determination of Fe2+ and Fe3+ in refractory products by the spectral photometric method with 1,10-phenanthroline

国家能源局, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

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

Military Standard of the People's Republic of China-General Armament Department, Determination of Total Nitrogen in Water 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

Professional Standard - Petrochemical Industry, Determination of Total Nitrogen in Water 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 1498.7-1997 Nylon 66 salt.Determination of UV index.Ultraviolet spectrophotometric method
SH/T 1498.5-1997 Nylon 66 salt.Determination of content of pseudo diaminocyclohexane.Ultraviolet spectrophotometric method

SE-SIS, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SIS SS 02 81 45-1991 Determination ofoilin water — Infrared spectrophotometric method
SIS SS 02 81 76-1986 Determination of total cyanide in water - Photometric or titrimetric method
SIS SS 02 81 03-1991 Determination of fat in wastewater from food processing industries — Infrared spectrophotometric method
SIS SS 02 82 10-1992 Water analysis — Determination of acid soluble aluminium in water — Photometric method
SIS SS-EN 10 179-1989 Chemical analysis of ferrous materials — Determination of nitrogen (trace amounts) in steel — spectrophotometric method
SIS SS 02 81 46-1980 Determination of chlorophyll in water — Extraction with acetone — Spectrophotometric method
SIS SS 02 81 77-1986 Determination of easily liberatable cyanide in water — Photometric or titrimetric method
SIS SS 02 81 70-1983 Determination of chlorophyll a in water - Extraction with methanol - Spectrophotometric method

Professional Standard - Geology, Determination of Total Nitrogen in Water 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
DZ/T 0064.23-1993 Groundwater quality testing method Determination of iron by phenanthrene spectrophotometry
DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry
DZ/T 0064.17-2021 Analytical methods of groundwater quality - Part 17: Determination of total chromium and hexavalent chromium by diphenylcarbazide spectrophotometric method

NO-SN, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

NS 9803-1993 Water analysis. Determination of oil in water. Infrared spectrophotometric method
NS 9804-1993 Water analysis. Determination of fat in wastewater from food processing industries. Infrared spectrophotometric method
NS 4799-1993 Water analysis. Determination of acid soluble aluminium in water. Photometric method

Professional Standard - Commodity Inspection, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

SN/T 4117-2015 Determination of total volatile sulfur in liquefied petroleum gases and gaseous hydrocarbons by ultraviolet fluorescence
SN/T 4779.3-2017 Determination of total hardness in bottled water for export---Method by specrophotometry coupled with flow injection analysis(FIA)

Danish Standards Foundation, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

DS/R 209:1980 Determination of oil and grease in water. Infrared spectrophotometric method
DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DS/R 209:2006 Determination of oil and grease in water - Extraction with tetrachloroethylene and measurement by infrared spectrophotometry
DS 2201:1986 Water quality. Chlorophyll a. Spectrophotometric determination in ethanol extract
DS/EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amount) in steels. Spectrophotometric method
DS/EN 26595:1993 Water quality. Determination of total arsenic. Silver diethyldithiocarbamate spectrophotometric method
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

IN-BIS, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

Professional Standard - Railway, Determination of Total Nitrogen in Water 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
TB/T 2544.2-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Nitrite Ultraviolet Spectrophotometry

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

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

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

KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－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 I ISO 10566-2008(2018) Water quality－Determination of aluminium－Spectrometric method using pyrocatechol violet
KS I ISO 6332:2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
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 I ISO 13964-2014(2019) Air quality — Determination of ozone in ambient air — Ultraviolet photometric method
KS M 9102-1996 Water quality-Determination of total mercury by flameless atomic absorption spectrometry(Method after pretreatment with ultraviolet radiation)
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS M 9102-1996(2001) WATER QUALITY-DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMETRY(METHOD AFTER PRETREATMENT WITH ULTRAVIOLET RADITION)
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS M 9143-2002 WATER QUALITY-DETERMINATION OF TOTAL ARSENIC-SILVER DIETHYLDITHIOCARBAMATE SPECTROPHOTOMETRIC METHOD
KS M 9143-2005 WATER QUALITY-DETERMINATION OF TOTAL ARSENIC-SILVER DIETHYLDITHIOCARBAMATE SPECTROPHOTOMETRIC METHOD
KS E ISO 9292-2002(2017) Manganese ores and concentrates－Determination of total iron content－1,10－Phenanthroline spectrometric method
KS E ISO 7990-2002(2017) Manganese ores and concentrates－Determination of total iron content－Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
KS E ISO 7990-2002(2022) Manganese ores and concentrates－Determination of total iron content－Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method

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

DB13/T 5028-2019 Determination of total sulfur content in alcohol-based fuels by ultraviolet fluorescence method
DB13/T 2899-2018 Determination of iminodisuccinate content in urea by ultraviolet-visible spectrophotometry
DB13/T 5127.14-2019 Determination of Toxic and Hazardous Substances in Extracts of Implantable Medical Devices - Visible-UV Spectrophotometry for Protein Migration

Professional Standard - Chemical Industry, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

HG/T 4327-2012 Reclaimed water.Determination of total iron content.Spectrophotometric method
HG/T 3525-2003 Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocatechol violet
HG/T 3526-2003 Industrial circulating cooling water-Determination of nitrite-Molecular absorption spectrometric method
HG/T 2023-1991 Determination of free chlorine and total chlorine in industrial circulating cooling water N,N-Diethyl-1,4-Phenylenediamine spectrophotometric method
HG/T 3526-2011 Industrial circulating cooling water determination of nitrate.Spectrophotometric method using sulfosalicylic acid
HG/T 3540-1990 Determination of phosphor in industrial circulating cooling water Ammonium molybdate spectrophotometric method
HG/T 2958.7-1988 Celestite ores-Determination of iron content-Sulphosalicylic acid spectrophotometric method
HG/T 2957.10-2004 Determination of total iron content in alunite ore-sulfosalicylic acid spectrophotometric method
HG/T 3516-2011 Industrial circulating cooling water.Determination of nitrite.Molecular absorption spectrometric method
HG/T 4552.2-2013 Method for the measurement tin-content in spent tin-stripping solution.Part 2:Atomic absorption spectrophotometry method
HG/T 3539-2003 Industrial circulating cooling water-Determination of iron-Spectrometric method using 1,10-phenanthroline
HG/T 3539-2012 Industrial circulating cooling water.Determination of iron content.Spectrometric method using 1,10-phenathroline
HG/T 3516-1999 Industrial circulating cooling water.Determiantion of nitrate.2,6-Dimethylphenol spectrometric 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 Total Nitrogen in Water by Ultraviolet Spectrophotometry

GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4：Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method
GB/T 6437-2018 Determination of phosphorus in feeds—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 37186-2018 Gas analysis—Determination of sulfur dioxide and nitrogen oxides—Ultraviolet differential optical absorption spectroscopy
GB/T 40173-2021 Determination of reducing-end sugar in water-soluble chitosan—Spectrophotometric method

International Organization for Standardization (ISO), Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

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 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 4735:1981 Oils of citrus; Determination of CD value by ultraviolet spectrophotometric analysis
ISO 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method
ISO 5666-2:1983 Water quality; Determination of total mercury by flameless atomic absorption spectrometry; Part 2: Method after pretreatment with ultraviolet radiation
ISO 13964:1998/DAmd 1:2011 Air quality — Determination of ozone in ambient air — Ultraviolet photometric method — Amendment 1
ISO 13964:1998/CD Amd 1 Air quality — Determination of ozone in ambient air — Ultraviolet photometric method — Amendment 1
ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 6595:1982 Water quality; Determination of total arsenic; Silver diethyldithiocarbamate spectrophotometric method
ISO 7990:1985 Manganese ores and concentrates; Determination of total iron content; Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method

Tianjin Provincial Standard of the People's Republic of China, Determination of Total Nitrogen in Water 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 847-2018 Spectrophotometric method for the determination of total sugar in feed
DB12/T 1015-2020 Determination of Nitrogen and Phosphorus in Dung Water of Dairy Farms Mid-infrared Attenuated Total Reflectance Spectrometry

RU-GOST R, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

GOST ISO 4735-2015 Essential oils of citrus. Determination of CD value by ultraviolet spectrometric analysis
GOST 33343-2015 Aviation turbine fuels. Determination of naphthalene hydrocarbons by ultraviolet spectrophotometry method
GOST 33401-2015 Testing of chemicals of environmental hazard. Determination of the dissociation constants in water by titrimetric, spectrophotometric and conductometric methods

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

ASTM UOP495-00 Aromatics in Molex n-Paraffin Products by Ultraviolet Spectrophotometry
ASTM UOP276-85 Pyrrole Nitrogen in Petroleum Distillates by Visible Spectrophotometry
ASTM UOP682-84 Total Cyanide in Refinery Waters by Visible Spectrophotometry
ASTM D1840-22 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
ASTM D7183-12 Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM D7183-07e1 Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM D7183-07 Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM D1840-03 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
ASTM D1840-01 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
ASTM D1840-96 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
ASTM D1840-02 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
ASTM D1017-51(1978)e1 Test Method for Benzene and Toluene in 250F and Lighter Petroleum Products by Ultraviolet Spectrophotometry
ASTM D1840-07 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
ASTM D1840-07(2013) Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry
ASTM D7183-16 Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM UOP495-03 Aromatics in Molex Process n-Paraffin Products by Ultraviolet Spectrophotometry
ASTM E1754-95(2001)e1 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM E1754-95 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM E878-12 Standard Test Method for Determination of Titanium in Iron Ores and Related Materials by Diantipyrylmethane Ultraviolet Spectrophotometry
ASTM E1754-08 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM D5453-05 Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Motor Fuels and Oils by Ultraviolet Fluorescence
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 D7183-23 Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM D7183-18 Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM D7183-18a(2023) Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM D7183-18a Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM D7183-15 Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM D7183-18ae1 Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM E1786-96 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry
ASTM E1786-02 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry
ASTM E1786-08 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared 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 E878-20 Standard Test Method for Determination of Titanium in Iron Ores and Related Materials by Diantipyrylmethane Ultraviolet Spectrophotometry
ASTM D5453-03 Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Motor Fuels and Oils by Ultraviolet Fluorescence
ASTM D5453-03a Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Motor Fuels and Oils by Ultraviolet Fluorescence
ASTM D7678-17(2022) Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbons (TPH) in Water and Wastewater with Solvent Extraction using Mid-IR Laser Spectroscopy
ASTM D7678-17 Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbons (TPH) in Water and Wastewater with Solvent Extraction using Mid-IR Laser Spectroscopy
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D5453-04 Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Motor Fuels and Oils by Ultraviolet Fluorescence
ASTM D6667-04(2010) Standard Test Method for Determination of Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases by Ultraviolet Fluorescence
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D8496-23 Standard Test Method for Determination of Hydroquinone (HQ) Content in Vinyl Acetate Monomer (VAM) Using Ultraviolet-Visible (UV-Vis) Spectrophotometer
ASTM D6667-21 Standard Test Method for Determination of Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases by Ultraviolet Fluorescence
ASTM D6667-01 Standard Test Method for Determination of Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases by Ultraviolet Fluorescence
ASTM D5453-00 Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Motor Fuels and Oils by Ultraviolet Fluorescence
ASTM D5453-00e1 Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Motor Fuels and Oils by Ultraviolet Fluorescence
ASTM D6667-14(2019) Standard Test Method for Determination of Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases by Ultraviolet Fluorescence
ASTM D6667-04 Standard Test Method for Determination of Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases by Ultraviolet Fluorescence
ASTM D6667-14 Standard Test Method for Determination of Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases by Ultraviolet Fluorescence
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D3124-98(2003) Standard Test Method for Vinylidene Unsaturation in Polyethylene by Infrared Spectrophotometry
ASTM D3124-98 Standard Test Method for Vinylidene Unsaturation in Polyethylene by Infrared Spectrophotometry
ASTM D3124-98(2019) Standard Test Method for Vinylidene Unsaturation in Polyethylene by Infrared Spectrophotometry
ASTM D4192-08 Standard Test Method for Potassium in Water by Atomic Absorption Spectrophotometry
ASTM D4192-03 Standard Test Method for Potassium in Water by Atomic Absorption Spectrophotometry
ASTM D6645-01 Standard Test Method for Methyl (Comonomer) Content in Polyethylene by Infrared Spectrophotometry
ASTM D7620-10(2020) Standard Test Method for Determination of Total Sulfur in Liquid Hydrocarbon Based Fuels by Continuous Injection, Air Oxidation and Ultraviolet Fluorescence Detection
ASTM D6248-21 Standard Test Method for Vinyl and Trans Unsaturation in Polyethylene by Infrared Spectrophotometry
ASTM D7551-10(2015) Standard Test Method for Determination of Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases and Natural Gas by Ultraviolet Fluorescence
ASTM D6645-18 Standard Test Method for Methyl (Comonomer) Content in Polyethylene by Infrared Spectrophotometry
ASTM D4691-02(2007) Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry
ASTM D4691-02 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry
ASTM D4691-96 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry
ASTM D4691-11 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry
ASTM D8193-18 Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbon (TPH) in Water and Wastewater with Solvent Extraction Using Non-Dispersive Mid-IR Transmission Spectroscopy
ASTM D5670-95(2023) Standard Test Method for Rubber—Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Infrared Spectrophotometry

German Institute for Standardization, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

DIN ISO 13964:1999 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method (ISO 13964:1998)
DIN ISO 13964:1999-12 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method (ISO 13964:1998)
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 10179:1990 Chemical analysis of ferrous materials; determination of nitrogen (trace amounts) in steels; spectrophotometric method; German version EN 10179:1989
DIN EN 10179:1990-04 Chemical analysis of ferrous materials; determination of nitrogen (trace amounts) in steels; spectrophotometric method; German version EN 10179:1989
DIN EN 12138:1997 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method; German version EN 12138:1997
DIN EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV-spectrometric xanthogenate method; German version EN 12396-3:2000

Association Francaise de Normalisation, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

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 ISO 13964:1999 Qualité de l'air - Dosage de l'ozone dans l'air ambiant - Méthode photométrique dans l'ultraviolet.
NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
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 T90-026:1993 Water quality - Determination of total arsenic - Silver diethyldithiocarbamate 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 A06-373*NF EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. 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 T90-131:1986 TESTING WATER. DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMETRY. METHOD AFTER DIGESTION WITH BROMINE.
NF T20-482:1979 Phosphoric acid for industrial use (including foodstuffs. Determination of oxides of nitrogen content ). 3,4-xylenol spectrophotometric method.
NF A22-405*NF ISO 7990:1986 Manganese ores and concentrates. Determination of total iron content. Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method.
NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
NF G52-216:1976 Leathers and hides. Chemical testing of leather. Determination of chromium in soluble substances (spectrophotometric method).

Sichuan Provincial Standard of the People's Republic of China, Determination of Total Nitrogen in Water 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

中华全国供销合作总社, Determination of Total Nitrogen in Water 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
GH/T 1110-2015 Determination of exogenous γ-amylase residues in honey by spectrophotometric method

AENOR, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

UNE 84124:2014 Cosmetic raw materials. Determination of UV-filters by spectrophotometric absorbance.
UNE 77221:2000 AIR QUALITY. DETERMINATION OF OZONE IN AMBIENT AIR. ULTRAVIOLET PHOTOMETRIC METHOD.
UNE 36317-2:1989 Chemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in steel - Spectrophotometric method

Professional Standard - Urban Construction, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

CJ/T 63-1999 Municipal sewage.Determination of aniline compounds.AZO spectrophotometric method
CJ/T 78-1999 Municipal sewage.Determination of total phosphorus.Spectrophotometric method
CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
CJ 26.28-1991 Municipal sewage water quality inspection method standard Determination of total phosphorus spectrophotometric method
CJ/T 70-1999 Municipal sewage.Determination of total chromium.1.5 diphenylcarbohydrazide spectrophotometric method
CJ/T 3018.9-1993 Leachate.Determination of total phosphorus.Spectrophotometric molybdovanadophosphate method
CJ/T 73-1999 Municipal sewage.Determination of total arsenic.Silver diethyldithiocarbamate spectrophotometric method
CJ 26.23-1991 Municipal sewage water quality inspection method standard Determination of total arsenic by silver diethyldithiocarbamate spectrophotometric method

KR-KS, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

KS I ISO 6332-2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline

CZ-CSN, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides
CSN ISO 6332:1995 Water quality - Determination of iron - Spectrometric method using 1,10-phenantroline
CSN EN 10 179-1993 Chemical analysis of ferrous metals — Determination of nitrogen (trace amounts) in steels — Spectrophotometric method

Universal Oil Products Company (UOP), Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

UOP 495-2003 AROMATICS IN MOLEX PROCESS n-PARAFFIN PRODUCTS BY ULTRAVIOLET SPECTROPHOTOMETRY
UOP 682-1984 TOTAL CYANIDE IN REFINERY WATERS BY VISIBLE SPECTROPHOTOMETRY

PT-IPQ, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

NP 3362-1986

Professional Standard - Nuclear Industry, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

EJ/T 20172-2018 Determination of Nitrogen in Sodium Cooled Fast Neutron Breeder Reactor by Spectrophotometry
EJ/T 20057-2014 Determination of uranium concentration in atmospheric fallout.Liquid fluorometry by ultraviolet
EJ/T 814-1994 Determination of Thorium in Uranium Ore PMBP Extraction and Separation of Arsenazo Ⅲ Spectrophotometry
EJ/T 20167-2018 Determination of nitrogen content in reprocessed uranium trioxide powder by distillation-Nessler reagent spectrophotometry

Hunan Provincial Standard of the People's Republic of China, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry
DB43/T 1404-2018 Determination of total cyanide in water and soil by gas-liquid separation and collection spectrophotometry

BE-NBN, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-502-1977 Water analysis methods - Determination of hydracarbons by infrared spectrophotometry
NBN T 91-501-1975 Water analysis methods - Determination of hydracarbons by infrared spectrophotometry
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate
NBN T 91-251-1976 Water analysis methods — Determination of the ammoniacal nitrogen — Direct photometric method with Nessler reagent
NBN-EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method

IT-UNI, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

UNI 7336-1974 Chemical analysis of ferrous materials. Determination of nitrogen in steel. Spectrophotometric method.
UNI 7691-1977
UNI 6458-1969

VN-TCVN, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

TCVN 7171-2002 Air quality.Determination of ozone in ambient air.Ultraviolet photometric method
TCVN 7558-1-2005 Solid waste incinerators.Determination of total concentration of organic compounds in fluegas.Part 1: Spectrophotometry method
TCVN 6225-1-2012 Water quality Determination of free chlorine and total chlorine.Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine

ZA-SANS, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

SANS 13964:2004 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method
SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

未注明发布机构, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

BS ISO 13964:1998(1999) Air quality — Determination of ozone in ambient air — Ultravioletphotometric method
BS EN 26595:1993(2008)*BS 6068-2.1:1993*ISO 6695:1982 Water quality — Determination of total arsenic — Silver diethyldithiocarbamate spectrophotometric method
BS 684-1.15:1990(1999)*ISO 4656:1989 Methods of analysis of Fats and fatty oils — Part 1 : Physical methods — Section 1.15 Determination of ultraviolet absorbance

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

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

Professional Standard - Ocean, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell
HY/T 0346-2022 Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell

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

DB35/T 1351-2013 Determination of total sulfur content in gaseous hydrocarbons and liquefied petroleum gases by ultraviolet fluorescence method
DB35/T 1793-2018 Determination of Biuret in Seawater by Spectrophotometry and Liquid Chromatography-Tandem Mass Spectrometry

TR-TSE, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

农业农村部, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

NY/T 3676-2020 Determination of total triterpene content in Ganoderma lucidum by spectrophotometric method
NY/T 3082-2017 Determination of chlorophyll content in fruits, vegetables and their products Spectrophotometric method

Standard Association of Australia （SAA）, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

AS 3753:2001 Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry

CEN - European Committee for Standardization, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

PREN 17178-2018 Liquid petroleum products - Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy

ES-UNE, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

UNE-EN 17178:2020 Liquid petroleum products - Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy

British Standards Institution (BSI), Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

BS EN 17178:2019 Liquid petroleum products. Determination of the total volatile sulfur content in liquefied petroleum gases by ultraviolet fluorescence spectroscopy
BS EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS EN 26595:1983 Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method

Professional Standard - Energy, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

NB/SH/T 0917-2015 Standard test method for determination of total volatile sulfur in gaseous hydrocarbons and liquefied petroleum gases by ultraviolet fluorescence

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

DB53/T 625-2014 Determination of Total Phosphorus in Coking Sewage by Phosphomolybdenum Blue Spectrophotometry

Professional Standard - Ferrous Metallurgy, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

YB/T 5157-1993 Determination of iron in graphite products of high purity by ortho-phenathroline photometric method

工业和信息化部, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

YB/T 5157-2016 Determination of iron in high-purity graphite products by phenanthroline spectrophotometry

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

DB22/T 1668-2012 Spectrophotometric Determination of Total Ginsenosides in Ginseng Food
DB22/T 3427-2023 Volumetric and spectrophotometric methods for the determination of cyanide in thiocyanate-containing wastewater

Lithuanian Standards Office , Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

LST ISO 13964:1999 Air quality. Determination of ozone in ambient air. Ultraviolet photometric method (ISO 13964:1998)
LST EN 10179-2000 Chemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in steel - Spectrophotometric method
LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)

Professional Standard - Petroleum, Determination of Total Nitrogen in Water 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
SY/T 6009.9-2003 Test method of samples of geochemical exploration for oil and gas Part 9:Determination of the gross amount of aromatic hydrocarbons and their ramifications Ultraviolet spectroscopy

Professional Standard - Electricity, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

DL/T 522.1-1993 Method for determining Acetone oxime in water (spectrophotometric method)
DL/T 502.9-2006 Analytical methods of steam and water in power plants Part 9: Determination of aluminum (Spectrometric method using pyrocatechol violet)
DL/T 1203-2013 Analytical methods for chloride in steam and water in fossil fuel power plants.Spectrophotometric method using mercury sulfocyanide

RO-ASRO, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

STAS SR EN 10179-1994 Chemicat analysis of ferrous materials - Determination of nitrogen (trace amounts) in steel - Spectrophotometric method
STAS SR ISO 7990:1996 Manganese ores and concentrates — Determination of total iron content - Titrirnetiic method after reriuction and sulfosalicylic acid spectrofotometric rnpthod

AT-ON, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

ONORM DIN 10324-1993 Determination of the total phosphorus content of cheese and processed cheese - Spectrometric method
ONORM ISO 5666 Teil.2:1984 Water quality; determination of total mercury by flameless atomic absorption spectrometry; method after pretreatment with ultraviolett radiation
ONORM EN 26595-1993 Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method (ISO 6595:1982)

Shanghai Provincial Standard of the People's Republic of China, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

DB31/T 232-2000 Determination of Boron in Sewage--Carminic Acid Spectrophotometry

Taiwan Provincial Standard of the People's Republic of China, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

CNS 14505-2001 Method of test for total sulfur in light hydrocarbons,motor fuels and oils by ultraviolet fluorescence

European Committee for Standardization (CEN), Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN 10179:1989 Chemical Analysis of Ferrous Materials - Determination of Nitrogen (Trace Mounts) in Steel Spectrophotometric Method
prEN 25666-2-1992 Water quality; determination of total mercury by flameless atomic absorption spectrometry; part 2: method after pretreatment with ultraviolet radiation (ISO 5666-2:1983)
EN 26595:1992 Water Quality - Determination of Total Arsenic - Silver Diethyldithiocarbamate Spectrophotometric Method (ISO 6595:1982)

Anhui Provincial Standard of the People's Republic of China, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

DB34/T 2743-2016 Spectrophotometric method for determination of total flavonoids content in Huai Mi and its products

Japanese Industrial Standards Committee (JISC), Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

JIS K 2180-5:2013 Dimethylether (DME) for fuels -- Part 5: Determination of total sulfur -- Ultraviolet fluorescence method

NL-NEN, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

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 6483-1982 Water - Potentiometric determination of the total fluoride content
NEN-ISO 6595:1993 Water quality. Determination of total arsenic. Silver diethyldithiocarbamate spectrophotometric method (ISO 6595:1982)
NEN 6652-1992 Water- Photometric determination of the sum of the contents of dissolved nitrate and nitrite by continuous flow analysis

Professional Standard - Coal, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

MT/T 361-1994 Determination of Copper in Coal Mine Water - Atomic Absorption Spectrophotometry
MT/T 364-1994 Determination method of cadmium in coal mine water - Atomic absorption spectrophotometry
MT/T 365-1994 Method for Determination of Manganese in Coal Mine Water - Atomic Absorption Spectrophotometry
MT/T 363-1994 Determination of Zinc in Coal Mine Water - Atomic Absorption Spectrophotometry
MT/T 362-1994 Determination method of lead in coal mine water-Atomic absorption spectrophotometry

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

DB23/T 2963-2021 Determination of Trace Calcium Content in Natural Flake Graphite by Calcium-Arsenazo Ⅲ Spectrophotometric Method

YU-JUS, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.Z1.178-1985 Testing of industrial vvaters. Determination of total mercury content. Specirophotometric method with diphenyl-tiocarbazone
JUS G.C1.303-1996 Plastics - Determination vinylidene unsaturation in polyethylene - Infrared spectrophotometric method
JUS H.B8.910-1997 Determination of total inhibitor content (p-tertiaiy-butylcatechol) of light hydrocarbons - Spectrophotometric method
JUS H.Z1.147-1984 Testing of industrial vvaters. Determination content of phenol in concentration more than 20 mg/l. Spectrophotometric method
JUS H.Z1.175-1985 Testing of industrial waters. Determination of total arsenic. Spectrophotometric method with silver die- thyldithiocarbamate

Indonesia Standards, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

SNI 06-4822-1998 Test methods for manganese content in water by spectrophotometer in persulphate manner
SNI 6989.17-2009

Professional Standard - Aquaculture, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

SC/T 3031-2006 Determination of volatile phenolic compounds residues in fishery products Spectrophotometric method

Professional Standard - Aviation, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

HB 5220.39-1995 Chemical Analysis Method of Superalloys PMBP Direct Extraction-ArsenazoⅢ Absorbance Spectrophotometry Determination of Total Rare Earth
HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group
HB 5220.48-1995 Superalloy Chemical Analysis Method Water Steam Distillation - Volumetric Method (or Absorptiometry) Determination of Nitrogen Content
HB 5220.39-2008 Methods for chemical analysis of superalloys. Part 39: Determination of total rare earth content by PMBP direct extraction-arsenazo Ⅲ photometric method
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/Z 5218.14-2004 Methods for chemical analysis of aluminium alloys-Part 14:Determination of the cerium subgroup of rare earth elements content by tribromoarsenazo spectrophtometric method

水利部, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

SL/T 788-2019 Determination of total nitrogen, volatile phenols, sulfides, anionic surfactants and hexavalent chromium in water quality continuous flow analysis-spectrophotometry

Canadian Standards Association (CSA), Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

CSA Z223.26-M87-CAN/CSA-1987 Measurement of Total Mercury in Air - Cold Vapour Atomic Absorption Spectrophotometric Method General Instruction No 1 R(1999)

Professional Standard - Non-ferrous Metal, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides
YS/T 1075.1-2015 Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys.Part 1:Determination of iron content.1,10-Phenanthroline spectrophotometry
YS/T 575.14-2007 Methods for chemical analysis of bauxite.Part 14:Determination the total content of rare earth oxide.Tribromo-arsenazo photometric method

Association of Official Analytical Chemists (AOAC), Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

AOAC Official Method 968.25 Thin-layer chromatographic spectrophotometric determination of the pesticide biphenyl in citrus fruits

Professional Standard - Speciality, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

ZB G76002-1990 Determination of phosphorus content in industrial circulating cooling water by spectrophotometric method

Jiangxi Provincial Standard of the People's Republic of China, Determination of Total Nitrogen in Water by Ultraviolet Spectrophotometry

DB36/T 1127-2019 Rapid Determination of Crude Ash, Calcium, Total Phosphorus and Sodium Chloride in Feed by Near Infrared Spectroscopy