Chlorine Spectrophotometry

Chlorine Spectrophotometry, Total:204 items.

The international standard classification for "Chlorine Spectrophotometry" includes: Animal feeding stuffs , Other non-ferrous metals and their alloys , Workplace atmospheres , Cadmium, cobalt and their alloys , Iron ores , Bases , Ambient atmospheres , Chemical analysis of metals , Titanium and titanium alloys , Non-ferrous metals , Ferrous metals , Ferroalloys , Nickel, chromium and their alloys , Water quality , Other methods of testing of metals , Lead, zinc, tin and their alloys , Salts , Oxides , Materials for the reinforcement of composites , Materials for aerospace construction , General methods of tests and analysis for food products .

The Chinese standard classification for "Chlorine Spectrophotometry" includes: Diagnostic standard for occupational diseases , Livestock and poultry feed and additive , Rare metals and their alloys analysis method , Labor sanitation , Heavy metals and their alloys analysis method , Iron ore , Analysis methods for toxic substances in water , Inorganic acid and alkali , Analysis methods for toxic substances in atmosphere , Rare refractory metals and their compounds , Steel and iron alloy analysis method , Boiler and its auxiliary equipment , Rare scattered metals and their alloys , Environmental sanitation , Soil and fertilizer in general , Semimetal and semiconductor material analysis method , Precious metals and its alloy analysis method , Analysis methods for exhaust emission pollutants , Oxide and elementary substance , Special carbon material , Light metals and their alloys analysis method , Technical Management , Basic standards and general methods , Inorganic chemicals in general , Electric power testing technique , Optical metrological instrument .

Professional Standard - Hygiene

WS/T 64-1996 Urine - Determination of trichloroacetic acid - Spectrophotometric method
WS/T 66-1996 Blood.Determination of cholinesterase activity.Spectrophotometric method--Hydroxylamine-ferric chloride method
WS/T 65-1996 Urine - Determination of chlor dimeform and 4 - Chloro-o - Toluidine - Spectrophotometric method
WS/T 60-1996 Urine - Determination of pentachlorophenol - Spectrophotometric method

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

GJB 3639-1999(XG1-2015) Determination of Benzene Chloroacetophenone UV Spectrophotometry Modification Sheet 1-2015
GJB 3639-1999 Determination of Benzene Chloroacetophenone UV Spectrophotometry

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

GB/T 11213.2-1989 Sodium hydroxide for chemical fiber use--Determination of sodium chloride content--Spectrometric method
GB/T 11898-1989 Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine
GB/T 11736-1989 standard method for examination of chlorine in air of residential areas-Methyl orange spectrophotometric method
GB/T 10267.4-2025 Method for the analysis of metallic calcium - Part 4: Spectrophotometric determination of aluminum by 8-hydroxyquinoline-trichloromethane extraction
GB/T 8220.8-1998 Methods for chemical analysis of bismuth--Determination of chlorine content--Distillation-mercuric thiocyanate photometric method
GB 6260-1986 Determination of rare earth oxide content in soil--Chlorophosphonazo-p-hippuric acid photometric method
GB/T 4325.15-1984 Methods for chemical analysis of molybdenum;The chlorophosphonazo 1 photometric method for the determination of magnesium content
GB 11898-1989 Water quality-Determinatoin of free chlorine and total chlorine-Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine
GB/T 11064.14-1989 Lithium carbonate--Determination of arsenic content--Molybdenum blue spectrophotometric method
GB/T 2592.1-1981 Thallium;Determination of copper content;Neocuproine-chloroform extraction photometric method
GB/T 4702.18-2020 Chromiun metal—Determination of vanadium content—Tantalum reagent trichloromethane extraction spectrophtometry method
GB/T 5059.6-2007 Ferromolybdenum—Determination of phosphorus content—Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometrc method
GB/T 4324.12-2012 Methods for chemical analysis of tungsten - Part 12: Determination of silicon content - Chlorization-molybdenum blue spectrophotometry
GB/T 8638.12-1988 Nickel base alloy powder; Determination of phosphorus content; N-butyl alcohol-chloroform extraction spectrophotometric method
GB/T 6730.47-2017e Iron ores—Determination of niobium content—Sulfochlorophenol S spectrophotometric method
GB/T 4324.15-1984 Methods for chemical analysis of tungsten--The chlorophosphonazo I photometric method for the determination of magnesium content
GB/T 10538-1989 Analytical methods for boiler water and cooling water--Determination of quoaternary ammonium salte--Trichloromethane extraction spectrophtometry
GB/T 4698.25-1996 Sponge titanium, titanium and titanium alloys - Determination chlorine content-Silver sulfide spectrophotometric method
GB/T 4701.7-2009 Ferrotitanium—Determination of phosphorus content—Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method
GB/T 14679-1993 Air quality. Determination of Ammonia. Sodium salicylate-sodium hypochlorite spectrophotometric method
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 earth content
GB/T 2592.3-1981 Thallium;Determination of mercury content;Dithizone-carbon tetrachloride extraction photometric method
GB/T 4698.25-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys - Part 25: Determination of chlorine content - Silver chlorin spectrophotometry
GB/T 4698.23-1996 Sponge titanium, titanium and titanium alloys - Determination of palladium content-Stannous choride-Potassium iodide spectrophotometric method
GB/T 10267.4-1988 Method for analysis of calcium metal-The determination of aluminium by oxine chloroform extraction photometric method
GB/T 20931.8-2007 Methods for chemical analysis of lithium—Determination of chlorine content—Thiocyanate spectrophotometric method
GB/T 23362.5-2009 Methods for chemical analysis of high purity indium hydroxide - Part 5: Determination of chlorine content - Mercuric sulfocyanide spectrophotometry
GB 10267.4-1988 Calcium Metal Analysis Method 8-Hydroxyquinoline-Chloroform Extraction Spectrophotometric Determination of Aluminum
GB/T 16115-1995 Workplace air―Determination of chorodinitrobenzene―N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method
GB/T 16029-1995 Workplace air―Determination of chlorine―Methyl orange spectrophotometric method
GB/T 24981.2-2020 Test methods of rare earth long afterglow phosphors—Part 2:Determination of afterglow brightness
GB/T 16114-1995 Workplace air―Determination of chloronitrobenzene―N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method
GB/T 11213.2-2007 Sodium hydroxide for chemical fiber use—Determination of sodium chloride content—Spectrometric method
GB/T 6730.24-2006 Iron ores - Determination of total rare earth contents - Chlorophosphonazo mA spectrophotometric method
GB/T 6730.47-2017(英文版) Determination of niobium content in iron ore - Chlorosulfonphenol S spectrophotometric method
GB/T 16101-1995 Workplace air―Determination of chloropicrin―Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB/T 9803-1988 Water quality--Determination of pentachlorophenol by safranine-T spectrophotometric method
GB/T 11732-1989 standard method for examination of pyridine in air of residential areas-Cyanogen chloride-barbituric acid spectrophotometric method
GB/T 223.40-2007 Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method
GB/T 4324.12-1984 Methods for chemical analysis of tungsten - The chloritization-molybdenum blue photometric method for the determination of silicon content
GB/T 4325.12-1984 Methods for chemical analysis of molybdenum;The chloritization-molybdenum blue photometric method for the determination of silicon content
GB/T 11200.1-2006 Sodium hydroxide for industrial use - Determination of sodium chlorate content - O-Tolidine spectrometric method
GB/T 11064.8-1989 Lithium carbonate, lithium hydroxide monohydrate and lithium chloride--Determination of silicon content--Molybdenum blue spectrophotometric method
GB/T 43716-2024 Textiles—Test method of luminated afterglow property—Luminance meter method
GB/T 23364.5-2009 Methods for chemical analysis of high purity indium oxide - Part 5: Determination of chlorine content - Mercuric sulfocyanide spectrophotometry
GB/T 17481-1998 The method for determination of choline choride in premix--Spectrophotometry
GB/T 6730.47-2017 Iron ores--Determination of niobium content--Sulfochlorophenol S spectrophotometric method
GB/T 16109-1995 Workplace air--Determination of hydrogen chloride and hydrochloric acid--Mercuric rhodanate spectrophotometric method
GB/T 6905.4-1993 Analysis of water used in boiler and cooling system. Determination of chloride. Coprecipitation concentration and spectrophotomenry

Ministry of Ecology and Environment of the People's Replublic of China

GB 9803-1988 quality - Determination of pentachlorophenol by safranine - T spectrophotometric method

Professional Standard - Agriculture

1758药典一部-2010 Appendix V Spectrophotometry
49药典四部-2020 0405 Fluorescence spectrophotometry
68药典四部-2015 0402 Infrared Spectrophotometry
156药典三部-2010 Appendix Ⅱ Spectrophotometry Ⅱ D Flame Photometry
197药典三部-2020 Spectrophotometry 0401 UV-Vis Spectrophotometry
NY/T 30-1986 Determination of rare earth oxide content in soil - Chlorophonazo - P - Hippuric acid photometric method
181药典三部-2015 Spectrophotometry 0407 General Principles of Flame Photometry 22
153药典三部-2010 Appendix Ⅱ Spectrophotometry ⅡA UV-Vis Spectrophotometry
199药典三部-2020 Spectrophotometry 0406 Atomic Absorption Spectrophotometry
180药典三部-2015 Spectrophotometry 0406 General Principles of Atomic Absorption Spectrophotometry 21
2296药典二部-2010 Appendix IV Spectrophotometry
155药典三部-2010 Appendix Ⅱ Spectrophotometry ⅡC Fluorescence analysis method
178药典三部-2015 Spectrophotometry 0401 UV-Vis Spectrophotometry General Principles 19
200药典三部-2020 Spectrophotometry 0407 flame photometry
198药典三部-2020 Spectrophotometry 0405 Fluorescence Spectrophotometry
69药典四部-2015 0405 Fluorescence spectrophotometry
154药典三部-2010 Appendix II Spectrophotometry IIB Atomic Absorption Spectrophotometry
48药典四部-2020 0402 Infrared Spectrophotometry
179药典三部-2015 Spectrophotometry 0405 General Principles of Fluorescence Spectrophotometry 20
777兽药典一部-2015 Appendix Contents 0400 Spectroscopy 0405 Fluorescence Spectrophotometry

Heilongjiang Provincial Standard of the People's Republic of China

DB2308/T 111-2022 Technical specifications for water quality free chlorine and total chlorine (portable spectrophotometry) monitoring

Professional Standard - Non-ferrous Metal

YS/T 569.3-2015 Methods for chemical analysis of thallium―Part 3:Determination of mercury content―Dithizone carbon tetrachloride extraction spectrophotometry
YS/T 539.8-2006 Nickel base alloy powder -- Determination of copper content -- Neocuproine-chloroform extraction spectrophotometric method
YS/T 569.1-2015 Methods for chemical analysis of thallium―Part 1:Determination of copper content―Cupferron chloroform extraction spectrophotometry
YS/T 37.1-1992 High-purity germanium dioxide chemical analysis method mercury thiocyanate spectrophotometric determination of chlorine content
YS/T 37.1-2007 High pure germanium dioxide-Determination of chlorine content-Mercuric sulfocyanide spectrophotometric method
YS/T 226.9-1994 Determination of chlorine content in selenium - Thiocyanate photometric method
YS/T 536.8-2009 Methods for chemical analysis of bismuth - Determination of chlorine content - Mercuric thiocyanate photometric method
YS/T 536.8-2006 Bismuth Chemical Analysis Method Distillation-Mercury Thiocyanate Spectrophotometric Determination of Chlorine Content
YS/T 997.3-2014 Methods for chemical analysis of antimony-doped tin oxide—Part 3:Determination of chlorine content—Mercuric sulfocyanide spectrophotometry
YS/T 372.18-2006 Method for elementary analysis of precious alloy - Determination of gadolinium content - Chlorophosphonazo Ⅲ spectrophotometry
YS/T 539.12-2006 Nickel base alloy powder -- Determination of phosphorus content -- N-butyl alcohol-chloroform extraction spectrophotometric method
YS/T 569.1-2006 Thallium - Determination of copper content - Neocuproine-chloroform extraction photometric method
YS/T 1075.9-2022 Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys— Part 9:Determination of chlorine content—Silver chlorine spectrophotometry
YS/T 372.19-2006 Method for elementary analysis of precious alloy—Determination of yttrium content—Chlorophosphonazo Ⅲ spectrophotometry

Professional Standard - Environmental Protection

HJ 889-2017 Soil quality - Determination of cation exchange capacity（CEC） - Hexamminecobalt trichloride solution-Spectrophotometric method
HJ 550-2009 Water quality - Determination of cobalt - 5-CI-PADAB spectrophotometry
HJ 550-2015 Water quality - Determination of cobalt - 5-CI-PADAB Spectrophotometry
HJ/T 27-1999 Stationary source emission -- Determination of hydrogen chloride -- Mercuric thiocyanate spectrophotometric method
HJ/T 50-1999 Water quality -- Determination of trichloro-aldehyde -- 3-methyl-1-phenyl-5-pyrazolone spectrophotometric method
HJ 534-2009 Ambient air - Determination of ammonia - Sodium hypochlorite-salicylic acid spectrophotometry
HJ/T 30-1999 Stationary source emission -- Determination of chlorine --Methyl orange spectrophotometric method
HJ 586-2010 Water quality-Determination of free chlorine and total chlorine-Spectrophotonetric method N,N-diethyl-1,4-phenylenediamine

Professional Standard - Chemical Industry

HG/T 5042-2016 Phosphorus pentachloride for industrial use. Determination of iron content. Spetrophotometric method
HG/T 4210-2011 Phosphorus trichloride for industrial use-determination of iron content-spectrophotometric method
HG/T 4213-2011 Phosphorus oxychloride for industrial use-Determination of iron content-spectrophotometric method
HG/T 4075-2008 Phosphorus trichloride for industrial use-Determination of phosphoric acid content-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

Professional Standard - Ferrous Metallurgy

YB/T 5190-1993 High pure graphite meterials―Determination of chlorines content―Spectrophotometric method
YB/T 5043-2012 Molybdenum Oxide - Determination of Phosphoru Content - Spectrophotometric Method of Extraction of N-butyl Alcohol-trichloromethane
YB/T 5190-2007 High pure graphite meterials - Determination of chlorines content - Spectrophotometric method

Professional Standard - Aviation

HB 5220.34-1995 Chlorosulfonol C absorptiophotometric method for chemical analysis of superalloys Determination of niobium content
HB 5297.13-1984 Determination of Cerium in Titanium Alloy Chlorophosphine Azo Ⅲ Absorption Spectrophotometry
HB 5297.20-2001 Methods for Chemical Analysis of Titanium Alloys - Determination of Cerium Content by Chlorophosphonazo III Spectrophotometric Method
HB 5220.34-2008 Methods for Chemical Analysis of Superalloys - Part 34: Determination of Niobium Content by Sulphochlorophenol C Photometric Method

Professional Standard - Electron

SJ 2595-1985 Method for the analysis of trace phosphorous in pure SiC14 - Method spectrophotometry

National Health Commission of the People's Republic of China

GB 11736-1989 Standard method for hygienic examination of chlorine in the atmosphere of residential areas Methyl orange spectrophotometry

Group Standards of the People's Republic of China

T/NAIA 004-2020 Determination of Ammonia Nitrogen Concentration in Rumen Fluid Alkaline Sodium Hypochlorite-Phenol Spectrophotometry
T/CQEEMA 3-2021 Stationary sources emission —Determination of hydrogen chloride—Fourier transform infrared spectrophotometry
T/NAIA 061-2021 Determination of Cyanogen Chloride in Drinking Water by Flow Injection Spectrophotometry

Professional Standard - Commodity Inspection

SN/T 0837.4-2006 Determination of the amount of chlorine content in arsenic trioxide - Photometric method of distillation-mercuric thiocyanate
SN/T 1954-2007 Determination of chlorine dioxide residues in iced meat for import and export-Spectrophotometric method

Taiwan Provincial Standard of the People's Republic of China

CNS 13071-1992 Method of Test for Color of Water`6rSpectrophotometric Method`6s

Professional Standard - Energy and Power Planning

DL/T 1203-2013 Analytical Methods for Chloride in Steam and Water in Fossil Fuel Power Plants Spectrophotometric Method Using Mercury Sulfocyanide

Professional Standard - Education

JY/T 025-1996 General rules for grating fluorescence spectrophotometry

Swedish Institute for Standards

SS-EN 10179:2024 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method
SIS SS 02 81 72-1989 Determination of available chlorine in water — Photometric method
SS 28172:1989 Determination of available chlorine in water - Photometric method

Universal Oil Products Company (UOP)

UOP 395-1995 TOTAL CHLORIDE IN PETROLEUM DISTILLATES BY COLORIMETRY
UOP 803-1984 Spectrophotometric Determination of Chlorination Color in Phenol
UOP 876-1993 Platinum in chloroplatinic acid by spectrophotometry

Yugoslav Association for Standardization

JUS H.B8.043-1991 Liquid hydrocarbons. Determination of total chloride content. Spectrophotonetric method
JUS H.G8.081-1983 Reagents. Sodi um chloride. Determination of phosphate content. Spectrophotometric method
JUS H.G8.197-1985 Reagents. Ammonium chloride. Determination of phosphate content. Spectrophotometric method
JUS H.G8.103-1984 Reagents. Potassium chloride. Determination of phosphate content. Spectrophotometric method
JUS H.G8.088-1983 Reagents.Sodium chloride.Determination of potassium content.Flame emission spectrophotometric method
JUS H.G8.110-1984 Reagents. Potassium chloride. Determination of sodium content. Flame emission spectrophotometric method
JUS G.S1.510-1997 Plastics - Analysis of components in polyvinyl chloride) compounds - Infrared spectrofotometric method
JUS H.G8.346-1988 Reagents Zinec chloride. Determination of sodium and potassium contents.Flane emission speetrophotometric nethod
JUS H.G8.201-1985 Reagents. Ammonium chloride. Determ inati on of sodium and potassium contents. Flame emission spectrophotometric method
JUS H.G8.265-1987 Reagents. Barium chloride dihydrate. Determination of sodium and potasium contents. Flame emission spectrophotometric method

American Society for Testing and Materials (ASTM)

ASTM UOP803-84 Chlorination Color of Phenol by Spectrophotometry
ASTM UOP876-93 Platinum in Chloroplatinic Acid by Spectrophotometry
ASTM D2124-99(2004) Standard Test Method for Analysis of Components in Poly(Vinyl Chloride) Compounds Using an Infrared Spectrophotometric Technique
ASTM D2124-99e1 Standard Test Method for Analysis of Components in Poly(Vinyl Chloride) Compounds Using an Infrared Spectrophotometric Technique
ASTM D2124-99(2011) Standard Test Method for Analysis of Components in Poly(Vinyl Chloride) Compounds Using an Infrared Spectrophotometric Technique
ASTM D5670-95(2023) Standard Test Method for Rubber—Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Infrared Spectrophotometry
ASTM E1754-08 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM E1754-95(2001)e1 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM D5670-95(2019) Standard Test Method for Rubber—Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Infrared Spectrophotometry
ASTM D5902-05(2015) Standard Test Method for Rubber&x2014Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Iodine Value
ASTM E1754-95 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM D1318-23 Standard Test Method for Sodium in Residual Fuel Oil (Flame Photometric Method)
ASTM D5670-95(2004)e1 Standard Test Method for Rubber-Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Infrared Spectrophotometry
ASTM E1786-96 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry
ASTM E1754-17a Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM E1786-08 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry
ASTM E1786-02 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry
ASTM E1754-17 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine By Infrared Spectrophotometry
ASTM E1786-17 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry
ASTM E1786-24 Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry
ASTM D5670-95(2014) Standard Test Method for Rubber—Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Infrared Spectrophotometry

Association of Official Analytical Chemists (AOAC)

AOAC Official Method 958.08 Spectrophotometric method for determination of pesticide chlorsulfone residues
AOAC Official Method 965.36 Spectrophotometric determination of pesticide diclonalquinone residues

National Standardisation Body (ASRO)

STAS SR 13362-1996 Sodium chloride. Determination of iron. 1,10 - phenanthroline Photometric Method
STAS SR 13372-1998 Sodium chloride. Determination of fluorides SPADNS. Photometric Method
STAS SR 8934-29-1997 Sodium chloride. Determination of potasium iodit. Photometric method
STAS SR 8934-8-1996 Sodium chloride. Determination of potassium. Flame Photometric Method
STAS SR 8934-30-1997 Sodium chloride. Determination of sodium content. Flamphotometric method.

Japanese Industrial Standards Committee (JISC)

JIS G 1234:2020 Iron and steel -- Determination of tellurium -- Tin (II) chloride reduction spectrophotometric method
JIS G 1235-1:2021 Iron and steel -- Determination of antimony -- Part 1: Rhodamine B spectrophotometric method after extraction of chloride

Korean Agency for Technology and Standards (KATS)

KS D 1829-2023 Iron and steel — Determination of tellurium — Tin(II) chloride reduction spectrophotometric method
KS D ISO 1053:2012 Zinc — Determination of copper content — Spectrophotometric method
KS J 4207-2011(2021) Spectrophotometric and fluorometric methods for GMO quantification
KS I ISO 6767:2006 Ambient air－Determination of the mass concentration of sulphur dioxide [Tetrachloromercurate (TCM)/pararosaniline method]
KS M 0012-2009 General rules for molecular absorptiometric analysis
KS M 0012-1999 General rules for molecular absorptiometric analysis

Standards Norway

NS 4769:1985 Water analysis — Determination of chloride — Photometric method
NS 4729:1991 Water analysis — Determination of available chlorine in water — Photometric method

German Institute for Standardization

DIN 5033-4:1992-07 Colorimetry; spectrophotometric method
DIN 5033-4:1992 Colorimetry; spectrophotometric method

Association Francaise de Normalisation

NF A06-702:1967 Chemical analysis of copper and its alloys. Spectrophotometric determination of residual copper in the electrolysate.
NF T20-375:1977 Potassium hydroxide for industrial use. Determination of chlorides content. Photometric method.
NF T20-430:1976 Sodium hydroxyde for industrial use. Determination of chlorides content. Photometric method.
NF T20-575:1966 Chemical analysis of ammonium sulphate for technical use. Spectrophotometric determination of chloride ions.
NF T20-355:1978 Potassium chloride for industrial use. Determination of sodium content.flame emission spectrophotometric method).
NF T01-035:1979 Molecular absorption spectrophotometry. Spectrophotometers and photometers. Record card. Standard layout.
NF T20-352:1978 Potassium chloride for industrial or agricultural use. Determination of potassium content.flame emission spectrophotometric method.

Czech Standards Institute (UNMZ)

CSN 65 2468-1981 Sodium Chloride (Salt) Fláme Photometry Method of Potaslum Content Determination
CSN 65 2478-1981 Sodium Chloride (Salt) Photometric Method of Cobalt Content Determination

American Water Works Association (AWWA)

AWWA JAW6244 Journal AWWA — Spectrophotometric Determination of Chlorine Dioxide
AWWA JAW60489 Journal AWWA — Chlorite Ion Interference in the Spectrophotometric Measurement of Chlorine Dioxide
AWWA ACE70556 Chlorine Dioxide: Spectrophotometric Methods Alternative to DPD for the Determination of Residual Disinfectant and Its Byproduct Concentrations
AWWA ACE58336 Effects of the Cl2O4- Complex on the Spectrophotometric Measurement of Chlorine Dioxide

Indonesia Standards

SNI 06-4824-1998 Test methods for free chlorine content in water by visible light spectrophotometers in diethyl phenylendiamine (DPD)

American National Standards Institute （ANSI)

ANSI/TIA-455-131-1997 Measurement of Optical Fiber Ribbon Residual Twist

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 6225-1-2012 Water quality Determination of free chlorine and total chlorine.Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine

International Organization for Standardization (ISO)

ISO 4735:1981 Oils of citrus; Determination of CD value by ultraviolet spectrophotometric analysis
ISO 2050:1976 Potassium chloride for industrial use; Determination of potassium content; Flame emission spectrophotometric method
ISO 6767:1990 Ambient air; determination of the mass concentration of sulfur dioxide; tetrachloromercurate (TCM)/pararosaniline method

(U.S.) Telecommunications Industries Association

TIA/EIA-455-131-1997 FOTP-131 Measurement of Optical Fiber Ribbon Residual Twist

Danish Standards Foundation

DS/R 209:2006 Determination of oil and grease in water - Extraction with tetrachloroethylene and measurement by infrared spectrophotometry

Polski Komitet Normalizacyjny (PKN)

PN Z04037-10-1987 Air purity protection Tests for chlorine Determination of chlorine content in the ambient air (imision) by spectrophotometric method with methyl orange
PN C04642-06-1993 Water and waste water. Tests for pollutants in atmopheric precipitation. Determination of chlorides by spectrophotometric method

Finnish Standards Institute

SFS 3041-1987 Determination of active chlorine in water. photometry

Spanish Association for Standardization (UNE)

UNE 22-136-1988 Iron minerals. Determination of chlorine content. Spectrophotometry of atomic absorption with flame

British Standards Institution (BSI)

BS 1380-2:1974 Speed of sensitized photographic materials. Method for determining the speed of colour reversal film for still and amateur cine photography
BS ISO 21456:2025 Determination of the residual stress of TGO layer in thermal barrier coating by photoexcitation fluorescence piezoelectric spectroscopy