Methylation Detection Methods Sulfite

Methylation Detection Methods Sulfite, Total:306 items.

The international standard classification for "Methylation Detection Methods Sulfite" includes: Surface active agents , Ferroalloys , Inorganic chemicals in general , Metalliferous minerals , Photographic chemicals , food products in general , Water quality in general , Plastics , Chemical reagents , Oxides , Cosmetics. Toiletries , Animal feeding stuffs , Sugar. Sugar products. Starch , Chemical analysis , Fuels in general .

The Chinese standard classification for "Methylation Detection Methods Sulfite" includes: Steel and iron alloy analysis method , Inorganic chemicals in general , Heavy metal ore , Film and Photographic Technology , Photographic-grade chemicals , Food sanitation , Analysis methods for toxic substances in water , Basic standards and general methods for synthetic resin and plastic , Chemical reagent in general , Light metals and their alloys analysis method , Cosmetics , Melon, fruit and vegetable planting and product , Livestock and poultry feed and additive , Sugar refining and sugar products in general , Basic standards and general methods , Hydrogeological survey , Coal analysis methods .

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

GB/T 610.2-1988 Chemical reagent--General method for the determination of arsenic (AgDDTC)
GB/T 23834.5-2009 Chemical analysis method for stannous sulfate - Part 5: Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometry
GB/T 5009.34-2003 Determination of sulphite in foods
GB/T 23834.2-2009 Chemical analysis method for stannous sulfate - Part 2: Determination of insoluble substance in hydrochloric acid - Gravimetric method
GB/T 11213.5-1989 Sodium hydroxide for chemical fiber use--Determination of sulphate mass fraction--Barium sulphate gravimetric method
GB/T 20929-2007 The methods of testing acidithiobacillus ferrooxidans and its activity by microarray technology
GB/T 16489-1996 Water quality - Determination of sulfide-Methylene blue spectrophotometric method
GB/T 9728-1988 Chemical reagent-General method for the determination of sulphate
GB/T 13580.5-1992 Determination of fluoride, chloride, ntrite, nitrate, salfate in the wet precipitation - Ion chromotography
GB/T 223.66-1989 Methods for chemical analysis of iron,steel and alloy--The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten content
GB/T 4325.28-1984 Methods for chemical analysis of molybdenum;The tetraphenyl arsonium chloride hydrochloride-thiocyanate photometric method for the determination of tungsten content
GB/T 12009.3-1989 Polymethylene polyphenyl isocyanate-Determination of viscosity
GB/T 12009.4-1989 Polymethylene polyphenyl isocyanate - Determination of isocyanato content
GB/T 4701.4-1984 Methods for chemical analysis of ferrotitanium--The persulfate-arsenite volumetric method for the determination of manganese content
GB/T 32696-2016 Photography-Determination of residual thiosulfate and other related chemicals in processed photographic materials-Methods using iodine-amylose,methylene blue and silver sulfide
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 23834.3-2009 Chemical analysis method for stannous sulfate - Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate - Gravimetric method
GB/T 23834.1-2009 Chemical analysis method for stannous sulfate - Part 1: Determination of stannous sulfate content - Volumetric method of potassium dichromate
GB/T 9728-2007 Chemical Reagent - General Method for the Determination of Sulphate
GB/T 12938-1991 Determination of thiosulphate and other related residual chemicals in processed Photographic materials－Iodine-amylose, methylene blue and silver sulphide densitometric methods
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB/T 32677-2016 Detection method of inorganic sulfite in toothpaste
GB/T 4102.9-1983 Methods for chemical analysis of high-titanium slag and rutile;The persulfate oxidation arsenite volumetric method for the determination of manganous monoxide content
GB/T 6609.9-1986 Methods for chemical analysis of aluminium oxide--The lead diethyldithiocarbamate photometric method for the determination of cupric oxide content

Professional Standard - Commodity Inspection

SN/T 2918-2011 Determination of fulfite in food for export. Ion chromatography method
SN/T 1071-2002 Method for the determination of anaerobic sulfite-reducing clostridia in food for import and export
SN/T 3528-2013 Determination for sulfite and bisulfite in cosmetics for import and export - Ion chromatographic method
SN/T 3341-2012 Determination of sulfide in gypsum plasterboard-Methylene blue spectrophotometric method
SN/T 1071-2014 Method for the determination of anaerobic sulfite-reducing clostridia in food for export
SN/T 2111-2008 Determination of 8 - Hydroxyquinoline and its sulfate in cosmetics
SN 0157-1992 Method for determination of dithiocarbamate residue in fruit for export

Group Standards of the People's Republic of China

T/CASME 540-2023 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide
T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography
T/ZACA 038-2021 Chlorination co-production nitrososulfuric acid
T/CAIA SH001-2014 Monosodium glutamate—Determination of sulfide—Methylene blue spectrophotometric method
T/QGCML 2622-2023 Determination of polyhexamethylene biguanide hydrochloride in wet wipes by high performance liquid chromatography
T/QAS 043-2021 Determination of Sulfide in Brine by Methylene Blue Spectrophotometry
T/ZZB Q038-2021 Chlorination co-production nitrososulfuric acid
T/XMTIC 0001-2024 Rapid method for the determination of nitrite in water
T/CASME 839-2023 Method for determination of dimethyl sulfate in ciprofloxacin hydrochloride
T/LNIQA 019-2024 Determination of fluoride, chloride, nitrate, nitrite, sulfate, bromate and phosphate content in drinking natural mineral water - ion chromatography

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB 34464-2017 Feed additive—Menadione dimethylpyrimidinol bisulfite
GB/T 35950-2018 Determination of inorganic sulfites and bisulfites in cosmetics

Taiwan Provincial Standard of the People's Republic of China

CNS 13674-1996 Method of Test for Pesticide Residues in Foods-Test of Thiodicarb,a Carbomate Insecticide
CNS 13309-1993 Method of Test for Pesticide Residues in Foods - Test of Carbendazim, a Carbamate Pesticide
CNS 12980-1992 Method of Test for Milk and Milk Products - Determination of Nitrate and Nitrite Contents of Edible Cheese
CNS 13675-1996 Method of Test for Pesticide Residues in Foods-Test of Thiodicarb Oxime,a Carbomate Insecticide
CNS 4631-1978 Rubber Vulcanization Accelerator ZnMDC (Zinc Dimethyl Dithiocarbamate)
CNS 13572-1995 Method of Test for Pesticide Residues in Foods-Test of Fenobucarb,a Carbamate Pesticde
CNS 14681-2002 Method of test for fertilizers (Determination of sulfate content)
CNS 282-1969 Method of Chemical Test for Sulfates
CNS 15091-15-2007 Method of test for deep sea water - Determination of nitrite

Professional Standard - Non-ferrous Metal

YS/T 514.9-2006 Methods for chemical analysis of high-titanium slag and rutile The persulfate oxidation-arsenite volumetric method for the determination of manganous monoxide content

Professional Standard - Light Industry

QB/T 4446-2012 General test method in salt industry Determination of nitrite
QB/T 5009-2016 Determination of sulphite in white granulated sugar

工业和信息化部

HG/T 5502-2018 N-Methyl-4-(p-formylstyryl)pyridinium methyl sulfate

Professional Standard - Agriculture

2686药典二部-2020 Part II stannous methylene bisphosphonate for injection
GB/T 5009.33-1996 Method for determination of nitrite and nitrate in foods
JAP-073 Methiocarb detection method
890药典二部-2010 The first part of eight paintings stannous methylene bisphosphonate for injection
GB 610.2-1988 Chemical reagent-General method for the determination of arsenic (AgDDTC)
KJ 201704 Rapid detection of nitrite in food by naphthalene ethylenediamine hydrochloride method
113药典四部-2015 0800 Limit inspection method 0802 Sulfate inspection method
GB 9728-1988 General method for the determination of sulfate in chemical reagents
2705药典二部-2020 Part Two Technetium [99mTc] Methylene Diphosphonate Injection
2578药典二部-2015 Part II stannous methylene bisphosphonate for injection
2597药典二部-2015 Part Two Technetium [99mTc] Methylene Diphosphonate Injection

Professional Standard - Chemical Industry

HG/T 4328-2012 Water Treatment Chemical - Sodium Salt of Aminotrimethylene Phosphonic Acid
HG/T 3016-1999 Photography -- Processing chemicals -- Specifications for p-methylaminophenol sulfate
HG/T 4779-2014 Vulcanizing accelerator-Dipentamethylenethiuram hexasulfide(DPTH)
HG/T 2335-2003 2 --[ ( 4 -- Amino -- 3 -- methylphenyl ) ethylamino ] -- ethanol sulfate ( CD -4 )
HG/T 5501～5504-2018 Color laser-printed sheets, N-methyl-4-(p-formylstyryl)picolyl methyl sulfate, methyl benzoylformate, and 2,4-diethylthioxanthone (2018)
HG/T 4330-2012 Water Treatment Chemical - Sodium Salt of Diethylene Triamine Penta (Methylene Phosphonic Acid)

Professional Standard - Aerospace

QJ 1406-1988 Analysis Method for Electroformed Nickel Solution of Sulfate and Sulfate Chloride

Professional Standard - Environmental Protection

HJ 1226-2021 Water quality—Determination of sulfide —Methylene blue spectrophotometric method
HJ 824-2017 Water quality - Determination of sulfide - Flow injection analysis(FIA) and methylene blue spectrophotometric method

Jilin Provincial Standard of the People's Republic of China

DB22/T 1842-2013 Determination of sulfite in dried fruit
DB22/T 1811-2013 Determination of Sulfite in Food by Ion Chromatography

中华人民共和国环境保护部

GB 13580.5-1992 Determination of fluoride,chloride,ntrite nitrate,salfate in the wet precipitation-Ion chromotography

Professional Standard - Nuclear Industry

EJ/T 266-1993 Determination of uranium in biuranate - ferrous sulfate reduction/potassium dichromate oxidation titration method

未注明发布机构

DIN ISO 15923-1 E:2012-01 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection

中华人民共和国国家卫生和计划生育委员会

WS/T 63-1996 Urine—Determination of thiodiglycolic acid—Gas chromatographic method

Professional Standard - Geology

DZ/T 0064.10-1993 Groundwater quality test methods - the determination of arsenicum in silver diethyl dithiocarbamate spectrophotometric method
DZ/T 0064.67-1993 Groundwater quality test methods - the determination of sulfide with p-aminodimethyl aniline colorimetry

Professional Standard - Coal

MT/T 802.2-1999 Determination of total sulfur sulphate sulfur pyritic sulfur of pyrite and concentrated pyrite in coal seam

国家质量监督检验检疫总局

SN/T 0711-2011 Determination of Dithiocarbamate (Salt) Residues in Tea Products for Export. LC-MS/MS Method

Anhui Provincial Standard of the People's Republic of China

DB34/T 1534-2011 Determination of Sulfur Dioxide in product of ortofrutta by ion chromatography method

Professional Standard - Water Conservancy

SL 89-1994 Determination of sulfide (Methylene blue spectrophotometric method)

YU-JUS

JUS H.G8.427-1990 Reaaents. Sodium sulphite, anhvdrous and sodium sulphite heptahv?rate. Determination of arsenic content. Silver diethyldithiocarbamate spectrophotometric method
JUS H.G8.282-1987 Reagents. Iron(ll) sulphate heptahydrate. Determination of arsenic content. Silver diethyldithiocarba- mate photometric method
JUS H.G8.420-1990 Reagents. Sodium sulphite, anhydrous and sodium sulphite beptabydrate. ?eterminaticm of sodium sulphite and sodium sulphite heptahydrate contents. Volumetric method
JUS H.G8.423-1990 Reagents. So?ium sulphite, anhydrous and sodium sulphite heptahvdrate. Determination of chlorides content. Turbi?imetric method
JUS H.G8.422-1990 Reagents. Sodium sulphite, anhvdrous and sodium sulphite heprahv?lrate. Heasurement of pH. Potentiometric metho?
JUS H.G8.017-1980 Reagents. Hydrochloric acid. Determination ofnilphites oontent. Iodimetric method
JUS H.G8.425-1990 Reaaents. Sodiuin sulphite, anhvdrous and sodium sulphite heptahydrate. Determination of iron content. Colorimetric method
JUS H.P8.062-1987 Testing of pesticides. Dithiocarbamates. Determination ofactive ingradient content
JUS H.G8.503-1991 Reagents. Formic acid. Determination of sulphites content. Volumetric method
JUS H.G8.018-1980 Reagents. Hydrochloric acid. Determination of arsenic content. Silver diethyldithiocarbonate photome- tric method
JUS H.G8.424-1990 Reaqents. Sodium sulphite, anhydrous and so?ium sulphite heptahvdrate. Determination of thiosulphate content. Colorimetric method
JUS H.Z1.101-1983 Testing of industrial vvaters. Determination of copper content. Spectrophotometricmethod with sodium- -diethyldithiocarbamate
JUS H.G8.502-1991 Reagents. Formic acid. Determination of sulphates content. Turbidimetric method
JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.G8.016-1980 Reagents. Hydrochloric acid. Determination of sulphate? ash. Gravimetric method

Association of Official Analytical Chemists (AOAC)

AOAC 990.28-1994 AOAC Official Method 990.28 Sulfites in Foods Optimized Monier–Williams Method First Action 1990 Final Action 1994

CZ-CSN

CSN 56 0216 Cast.7-1980 Testing methods for wines. etermination of sulphite oxide
CSN 65 0351-1967 Testing methods of phthalates
CSN 65 2465-1981 Sodium Chloride (Salt) Methode of Sulfáte Content Determination
CSN ISO 417:1994 Photography-Determination of residual thiosulfate and other related chemicals in processed photographic materials-Methods using iodine-amylose,methylene blue and silver sulfide

Indonesia Standards

SNI 06-3971-1995 Test methods for sulphite content by spectrophotometer apparatus
SNI 06-3415-1994 Water, Test methods for sulphite content by titrimetric methods
SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
SNI 06-6989.32-2005 Water and waste water - Part 32: Test methods of sulphite (SO3=) content by titrimetry

RO-ASRO

STAS 2221/3-1981 ANHYDROUS SODIUM SULFITE Checking methods
STAS 8620-1970 SULPHITEPULP FOR NITRATING
STAS 8026-1979 VULCANIZED RUBBER AND RUBBER Determination of copper by the methpdes with zinc diethyldithiocarbamate

SCC

BS 5349-6:1976 Methods for microbiological examination of gelatine-Detection of sulphite-reducing organisms
UNE 77050:2002 Water quality. Sulphite determination. Iodimetric method.
AENOR UNE 77050:2002 Water quality. Determination of sulphite. Iodometric method.
NS-EN ISO 10304-3:1997 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate (ISO 10304-3:1997)
AENOR UNE 49401-10:1958 Technical characteristics of packaging paper and test methods. Investigation of free chlorine, chlorides, free acids, sulfur, sulfides and sulfites.
BS 6829-5-5.3:1989 Analysis of surface active agents (raw materials). Ethoxylated alcohol and alkylphenol sulphates-Method for determination of unsulphated matter content
CAN 3-Z7.2.4-M82-1982 Photography - Determination of Thiosulphate and Other Residual Chemicals in Processed Photographic Films, Plates and Papers - Methylene Blue Photometric Method and Silver Sulphide Densitometric Method
BS ISO 417:1993 Photography. Determination of residual thiosulfate and other related chemicals in processed photographic materials. Methods using iodine-amylose, methylene blue and silver sulfide
BS 2690-6:1968 Methods of testing water used in industry-Chloride and sulphate
06/30126102 DC ISO 10304. Water quality. Determination of dissolved bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate. Method by liquid chromatography of ions
NS-EN 1988-1:1998 Foodstuffs — Determination of sulfite — Part 1: Optimized Monier-Williams method
DANSK DS/EN 1988-1:1998 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method
DANSK DS/EN ISO 10304-3:1998 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
BS 6782-7:1995 Binders for paints-Method for determination of free-formaldehyde content of amino resins (sodium sulfite titrimetric method)
11/30217195 DC BS ISO 15923-1. Water quality. Determination of ions by a discrete analysis system and spectrophotometric detection. Part 1. Ammonium, chloride, nitrate, nitrite, orthophosphate, silicate and sulfate
AS 1871.14:1976 List of methods for examination of waters Sulphate
VDI 2454 BLATT 2-1982 Measuring gaseous emissions; measuring hydrogen sulphide concentration; methylene blue impinger method
DANSK DS/EN 1988-2:1998 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method
DANSK DS/ISO 15923-1:2013 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
BS 4404:1968 Method for the determination of arsenic (silver diethyldithiocarbamate procedure)
NS-EN 12396-3:2000 Non-fatty foods — Determination of dithiocarbamate and thiuram disulfide residues — Part 3: UV spectrometric xanthogenate method
DANSK DS/EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
NS-EN 1988-2:1998 Foodstuffs — Determination of sulfite — Part 2: Enzymatic method
BS EN ISO 8799:1996 Analysis of surface active agents (raw materials). Ethoxylated alcohol and alkylphenol sulfates. Method for determination of unsulfated matter content
BS 2690-2:1965 Methods of testing water used in industry-Dissolved oxygen, hydrazine and sulphite
DANSK DS/EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV spectrometric xanthogenate method
BS 2690-7:1968 Methods of testing water used in industry-Nitrite, nitrate and ammonia (free, saline and albuminoid)
DIN EN ISO 15923-1 E:2024 Draft Document - Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013); German and English ve.
UNE-EN ISO 10304-1:1995 WATER QUALITY. DETERMINATION OF DISSOLVED FLUORIDE, CHLORIDE, NITRITE, ORTHOPHOSPHATE, BROMIDE, NITRATE AND SULFATE IONS, USING LIQUID CHROMATOGRAPHY OF IONS. PART 1: METHOD FOR WATER WITH LOW CONTAMINATION. (ISO 10304-1:1992)
NS-EN ISO 10304-1:1995 Water quality — Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions — Part 1: Method for water with low contamination (ISO 10304-1:1992)
ISO 8799:1988/DAmd 1 Surfactants — Ethoxylated alcohol and alkylphenol sulfates — Determination of sulfate content — Amendment 1
AS 2029:1977 Method for the determination of nitrate and nitrite content in waters
UNE 49401-10:1958 TECHNICAL CHARACTERISTICS OF PACKING PAPER AND TEST METHODS. RESEARCH OF FREE CHLORINE, CHLORIDES, FREE ACIDS, SULPHUR AND SULPHITES

American Society for Testing and Materials (ASTM)

ASTM D4654-87(2003) Standard Test Method for Sulfate Basicity in Leather
ASTM D6581-00 Standard Test Method for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography
ASTM D6581-00(2005) Standard Test Method for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography
ASTM D4658-03 Standard Test Method for Sulfide Ion in Water
ASTM D4654-87(2009) Standard Test Method for Sulfate Basicity in Leather
ASTM D6581-08 Standard Test Methods for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Suppressed Ion Chromatography

British Standards Institution (BSI)

BS EN 1988-2:1998 Foodstuffs - Determination of sulfite - Enzymatic method
BS EN ISO 10304-3:1997(2008)*BS 6068-2.59:1997 Water quality — Determination of dissolved anions by liquid chromatography of ions — Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
BS EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - UV spectrometric xanthogenate method
BS EN ISO 10304-3:1997 Water quality. Determination of dissolved anions by liquid chromatography of ions. Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
BS 5706:1979 Methods for the determination of thiosulphate and other residual chemicals in processed photographic films, plates and papers: methylene blue photometric method and silver sulphide densitometric method
BS ISO 15923-1:2013 Water quality. Determination of selected parameters by discrete analysis systems. Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
BS EN 1988-1:1998 Foodstuffs - Determination of sulfite - Optimized Monier-Williams method
BS 5202-11:1983 Methods for chemical analysis of tobacco and tobacco products. Determination of dithiocarbamate residues
BS EN 12396-2:1999 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Gas chromatographic method
BS EN 12396-1:1999 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Spectrometric method
BS ISO 18917:2000 Photography. Determination of residual thiosulfate and other related chemicals in processed photographic materials. Methods using iodine-amylose, methylene blue and silver sulfide
BS 4404:1968(1999) Method for the determination of Arsenic — (Silver diethyldithiocarbamate procedure)
BS ISO 18917:1999 Photography - Determination of residual thiosulfate and other related chemicals in processed photographic materials - Methods using iodine-amylose, methylene blue and silver sulfide
BS EN ISO 8988:2006 Plastics - Phenolic resins - Determination of hexamethylene-tetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method
BS ISO 5725-1:1994 Photography. Determination of residual thiosulfate and other related chemicals in processed photographic materials. Methods using iodine-amylose, methylene blue and silver sulfide
BS EN ISO 10304-2:1997(1998)*BS 6068-2.53:1997 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 2 : Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water

PL-PKN

PN Z04068-02-1985 Air purity protection Tests for dimethyl sulphate Determination. of dimethyl sulphate in work places by turbidimetric method
PN C99061-1964 p-Methylaminophenol sulphate (Metol), photographic grade
PN C04566 ArkusZ18-1974 Water and waste water Tests for sulphur and its compounds Determination of sulphites
PN C04595 ArkusZ04-1974 Water and waste water Tests for lead Dctermination of lead by dithiocarbamate method

CU-NC

NC 24-69-4-1987 Inonganic Chemical Products Technical Aluminum Sulfate Determination of Arsenic Content. Method of Silver Diethylditiocarbamate

GSO

GSO ISO 10304-3:2013 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
BH GSO ISO 10304-3:2016 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
OS GSO ISO 10304-3:2013 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
GSO ISO 18917:2013 Photography -- Determination of residual thiosulfate and other related chemicals in processed photographic materials -- Methods using iodine-amylose, methylene blue and silver sulfide
OS GSO 176:1994 METHODS OF TEST FOR SALTS OF SULPHUROUS ACID USED IN PRESERVATION OF FOODSTUFFS
BH GSO ISO 18917:2016 Photography -- Determination of residual thiosulfate and other related chemicals in processed photographic materials -- Methods using iodine-amylose, methylene blue and silver sulfide
GSO ISO 10304-1:2014 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
OS GSO ISO 2590:1997 General method for the determination of arsenic- silver diethylchthio - carbamate photometric method.
GSO ISO 15923-1:2015 Water quality -- Determination of selected parameters by discrete analysis systems -- Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
OS GSO ISO 10304-1:2014 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
BH GSO ISO 15923-1:2017 Water quality -- Determination of selected parameters by discrete analysis systems -- Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
BH GSO ISO 10304-1:2016 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
OS GSO ISO 7525:2013 Nickel -- Determination of sulfur content -- Methylene blue molecular absorption spectrometric method after generation of hydrogen sulfide
GSO ISO 7525:2013 Nickel -- Determination of sulfur content -- Methylene blue molecular absorption spectrometric method after generation of hydrogen sulfide
GSO 1240:2002 Methods of test for sulphur determination of carbonate content

Korean Agency for Technology and Standards (KATS)

KS I ISO 10304-3-2008(2018) Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 3：Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
KS I ISO 10304-3-2018 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 3：Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
KS I ISO 10304-3:2008 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 3：Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
KS M ISO 10304-2:2008 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS D ISO 7525-2012(2017) Nickel－Determination of sulfur content－Methylene blue molecular absorption spectrometric method after generation of hydrogen sulfide
KS M ISO 10304-2:2003 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS I ISO 9390:2006 Water quality－Determination of borate－Spectrometric method using azomethine-H
KS I ISO 10530-2007(2017) Water quality－Determination of dissolved sulfide－Photometric method using methylene blue
KS M ISO 2590:2004 General method for the determination of arsenic－Silver diethyldithiocarbamate photometric method
KS M ISO 422:2019 Photography — Processing chemicals —Specifications for p-methylaminophenol sulfate
KS M 9108-1996 Water quality-Determination of dissolved fluoride,chloride,nitrite,orthophosphate,bromide,nitrate and sulfate ions,using liquid chromatography of ions(Method for water with low contamination)
KS M 3926-1989(1999) PHOTOGRAPHIC GRADE 4-(N-ETHYL-N-2-METHANESULPHONYLAMINOETHYL)-2-METHYLPHENYLENEDIAMINESESQUISULFATE(MONOHYDRATE)
KS I ISO 10304-1:2006 Water quality-Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions-Part 1:Method for water with low contamination
KS M ISO 10304-2-2008 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS I ISO 10304-1:2017 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
KS I ISO 9390-2006(2021) Water quality－Determination of borate－Spectrometric method using azomethine-H
KS I ISO 9390-2006(2016) Water quality－Determination of borate－Spectrometric method using azomethine-H

American National Standards Institute （ANSI)

ANSI PH4.137-1984 Photography (Chemicals) - 4-(N-Ethyl-N-2-Methanesulfonylamino- ethyl)-2-Methylphenylenediamine Sesquisulfate Monohydrate
ANSI PH4.125-1982 Photographic Grade p-Methylaminophenol Sulfate

VN-TCVN

TCVN 4250-1986 Natural gases.Method for the determination of hydrogen sulphite and mercaptane content
TCVN 6494-3-2000 Water quality.Determination of dissolved anion by liquid chromatography of ions.Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulffate
TCVN 7572-16-2006 Aggregates for concrete and mortar.Test methods.Part 16: Determination of sulfate and sulfite content
TCVN 2323-1978 Reagents.Methods for the determination of nitrites

Association Francaise de Normalisation

NF T29-004:1968 Photography chemicals - P-methylaminophenol sulfate
NF V03-060-2*NF EN 1988-2:1998 Foodstuffs. Determination of sulfite. Part 2 : enzymatic method.
NF EN ISO 10304-3:1997 Water quality - Determination of dissolved anions by liquid ion chromatography - Part 3: determination of chromate, iodide, sulphite, thiocyanate and thiosulphate ions
NF EN 1988-1:1998 Food products - Determination of sulphites - Part 1: optimized Monier-Williams method
NF T90-047*NF EN ISO 10304-3:1997 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 3 : determination of chromate, iodide, sulfite, thiocyanate and thiosulfate.
NF V03-060-1*NF EN 1988-1:1998 Foodstuffs. Determination of sulfite. Part 1 : optimized Monier-Williams method.
NF T90-042-1*NF EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1 : determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate.
NF EN ISO 8799:2009 Surfactants - Ethoxylated alcohol and alkylphenol sulfates - Determination of sulfate content
NF EN 1988-2:1998 Produits alimentaires - Dosage des sulfites - Partie 2 : méthode enzymatique.
NF T90-436-1*NF ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1 : ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
NF EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid ion chromatography - Part 1: determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
NF T90-042:1995 Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1 : method for water with low contamination.
NF ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate by photometric detection
NF T90-415:1985 Testing water - Detection and enumeration of the spores of sulfite-reducing anaerobes and of sulfite-reducing (Clostridia) - General method by the standing tube technique.
NF T20-273:1982 Hydrochloric acid for industrial use. Determination of arsenic content. Silver diethyldithiocarbamate photometric method.
NF EN 12396-3:2000 Non-fatty foods - Determination of residues of dithiocarbamates and thiuram disulphides - Part 3: UV spectrometric method using xanthogenate
NF EN ISO 8988:2006 Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method
NF T94-214:2005 Chemicals used for treatment of water intended for human consumption - Sodium disulfite.
NF EN 1523:1999 Non-fat foods - Determination of residues of dithiocarbamates and thiuram disulphides - Part 1: spectrometric method

German Institute for Standardization

DIN EN ISO 10304-3:1997-11 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate (ISO 10304-3:1997); German version EN ISO 10304-3:1997
DIN EN 1988-1:1998-05 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method; German version EN 1988-1:1998
DIN EN 1988-2:1998 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method; German version EN 1988-2:1998
DIN EN ISO 10304-3:1997 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate (ISO 10304-3:1997); German version EN ISO 10304-3:1997
DIN EN ISO 10304-1:2009-07 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007); German version EN ISO 10304-1:2009
DIN EN 1988-2:1998-05 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method; German version EN 1988-2:1998
DIN EN 12396-1:1998 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 1: Spectrometric method; German version EN 12396-1:1998
DIN EN 12396-2:1998 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 2: Gas chromatographic method; German version EN 12396-2:1998
DIN ISO 15923-1:2014-07 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
DIN EN 12396-3:2000-10 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV-spectrometric xanthogenate method; German version EN 12396-3:2000
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

Danish Standards Foundation

DS/EN ISO 10304-3:1998 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
DS/EN 1988-1:1998 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method
DS/ISO 2590:1981 General method for the determination of arsenic. Silver diethyldithiocarbamate photometric method
DS/EN 1988-2:1998 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method
DS/EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
DS/EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV spectrometric xanthogenate method
DS/EN 12396-1:1999 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 1: Spectrometric method

RU-GOST R

GOST 25063.1-1981 Photographic materials. Method for determination of thiosulphate content
GOST R 50802-1995 Petroleum. Method for determination of hydrogen sulfide, methyl- and ethylmercaptans
GOST 32918-2014 Petroleum. Method for determination of hydrogen sulfide, methyl- and ethylmercaptans
GOST R 54894-2012 Fruit and vegetable products. Determination of sulphite by enzymatic method
GOST 30621-1998 Hydrochloric acid for industrial use. Determination of arsenic content by silver diethyldithiocarbamate photometric method
GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
GOST 8558.1-1978 Meat products. Methods for determination of nitrit
GOST R 50396.6-1992 Poultry meat, edible offal, ready-to-cook products. Methods for detection and quantity determination of sulfit-reducing anaerobes
GOST 10671.3-1974 Reagents. Methods for determination of nitrites

International Organization for Standardization (ISO)

ISO 10304-3:1997 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate
ISO 10304-2:1995 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
ISO 9390:1990 Water quality; determination of borate; spectrometric method using azomethine-H
ISO 422:1994 Photography - Processing chemicals - Specifications for p-methylaminophenol sulfate
ISO 5785:1978 Hydrochloric acid for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method
ISO 18917:1999 Photography - Determination of residual thiosulfate and other related chemicals in processed photographic materials - Methods using iodine-amylose, methylene blue and silver sulfide
ISO 10304-1:1992 Water quality; determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions; part 1: method for water with low contamination
ISO 422:1976 Photographic grade p-methylaminophenol sulphate; Specification
ISO 417:1993 Photography; determination of residual thiosulfate and other related chemicals in processed photographic materials; methods using iodine-amylose, methylene blue and silver sulfide
ISO 417:1977 Photography — Determination of thiosulphate and other residual chemicals in processed photographic films, plates and papers — Methylene blue photometric method and silver sulphide densitometric method
ISO 10304-1:2007 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter

FI-SFS

SFS 3603-1976 Sulfides, sulfites and sulfates in alkaline white liquor and green liquor

IN-BIS

IS 4173-1975 Specification for 4-methylaminophenol sulfate
IS 7158-1973 Technical specifications for isobornylthiocyanoacetate (nitrite)

AT-ON

ONORM M 6283-1990 Water analysis; determination of fluoride, Chloride, nitrite, Phosphate, bromide, nitrate and sulfate by Ion exchange chromatography

Japanese Industrial Standards Committee (JISC)

JIS K 7714:1986 Photographic grade n-methyl-para-aminophenol sulphate (metol)
JIS K 7616:2001 Photography -- Determination of residual thiosulfate and other related chemicals in processed photographic materials -- Methods using iodine-amylose, methylene blue and silver sulfide
JIS K 0400-35-30:1999 Water quality -- Determination of dissolved fluoride, chrolide, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions Part 1: Method for water with low contamination
JIS K 0400-35-40:2000 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water

Lithuanian Standards Office

LST EN ISO 10304-3:2000 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate (ISO 10304-3:1997)
LST EN 1988-1-2000 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method
LST EN 1988-2-2000 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method
LST EN 12396-3-2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV spectrometric xanthogenate method
LST EN 12396-1-2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 1: Spectrometric method

KR-KS

KS M ISO 10304-2-2003 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS M ISO 422-2019 Photography — Processing chemicals —Specifications for p-methylaminophenol sulfate
KS I ISO 10304-1-2023 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
KS I ISO 10304-1-2017 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate

GM Daewoo

GMKOREA EDS-T-7639-2011 Test Method for Determining the Hydrosulphite Resistance of Textile Fabrics

AENOR

UNE-EN 1988-1:2000 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method
UNE-EN ISO 10304-3:1997 WATER QUALITY. DETERMINATION OF DISSOLVED ANIONS BY LIQUID CHROMATOGRAPHY OF IONS. PART 3: DETERMINATION OF CHROMATE, IODIDE, SULFITE ,THIOCYANATE AND THIOSULFATE. (ISO 10304-3:1997).
UNE-EN 1988-2:2000 FOODSTUFFS - DETERMINATION OF SULFITE - PART 2: ENZYMATIC METHOD
UNE 40205:1972 METHOD TO DETERMINE WOOL SOLUBILITY IN UREA-BISULPHITE.
UNE 84089:1994 COSMETIC RAW MATERIALS. DETERMINATION OF 2-HYDROXYBENZOICO ACID (SALICYLIC ACID) IN p-HIDROXYBENZOATES.

US-CFR-file

CFR 40-721.10688-2013 Protection of Environment. Part721:Significant new uses of chemical substances. Section721.10688:Copper,chloro[tris(2-chloroethyl) phosphite-.kappa.P]-.

European Committee for Standardization (CEN)

EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV spectrometric xanthogenate method
EN ISO 10304-3:1997 Water Quality - Determination of Dissolved Anions by Liquid Chromatography of Ions - Part 3: Determination of Chromate, Iodide, Sulfite, Thiocyanate and Thiosulfate ISO 10304-3: 1997
EN 1592-4:1997 Aluminium and aluminium alloys - HF seam welded tubes - Part 4: Tolerances on dimensions and form for square, rectangular and shaped tubes
EN 1988-2:1998 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method

ES-AENOR

UNE 49 401 h10 Technical characteristics of packaging paper and test methods for free chlorine molecules, chlorides, free acids, sulfides and sulfites contained therein

BSI

NS-EN ISO 15923-1:2024 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)

BE-NBN

NBN T 03-008-1979 Hydrochloric acid for industrial use - Determination of arsenic content - Silver diethyldithiorcarbamate photometric method
NBN T 94-203-1977 Determination of hydrogensulfide content in ambient air - Methylene blue raethod

CL-INN

INDITECNOR 62-12 Industrial water: testing, testing for sulfites

HU-MSZT

MNOSZ 9475-1952 Wine testing. Nitrate and nitrite content indicators and detection

ET-QSAE

ES 394-2000 Determination of copper content in edible salt (sodium diethyldithiocarbamate) visual colorimetric method

Others: Sulfite detection method,Sulfite detection method,Methylation detection method,Assay method for detection of methylation