Bisulfite methylation principle

Bisulfite methylation principle, Total:150 items.

The international standard classification for "Bisulfite methylation principle" includes: Chemical reagents , Other products of the chemical industry , Photographic chemicals , Surface active agents , Insecticides , Inorganic chemicals in general , Crude petroleum , Ferroalloys , Cosmetics. Toiletries , Animal feeding stuffs , Chemicals for purification of water .

The Chinese standard classification for "Bisulfite methylation principle" includes: General inorganic reagent , Water treatment agent , Photographic-grade chemicals , Pesticide , Inorganic chemicals in general , Crude petroleum , Steel and iron alloy analysis method , Cosmetics , Livestock and poultry feed and additive .

Professional Standard - Nuclear Industry

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

Professional Standard - Chemical Industry

HG/T 4890~4891-2016 Vulcanization accelerators tetramethylthiuram monosulfide (TMTM) and zinc dibenzyldithiocarbamate (ZBEC) (2016)
HG/T 4779-2014 Vulcanizing accelerator-Dipentamethylenethiuram hexasulfide(DPTH)
HG/T 3016-1999 Photography -- Processing chemicals -- Specifications for p-methylaminophenol sulfate
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 3777-2023 Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid
HG/T 4328-2012 Water Treatment Chemical - Sodium Salt of Aminotrimethylene Phosphonic Acid
HG/T 4330-2012 Water Treatment Chemical - Sodium Salt of Diethylene Triamine Penta (Methylene Phosphonic Acid)
HG/T 4021-2008 Chemical reagent—Sodium pyrosulfite
HG/T 2841-2005 Water treatment chemicals - Amino trimethylene phosphonic acid
HG/T 2840-2010 Water treatment chemicals－Amino trimethylene phosphonic acid（solid）
HG/T 2841-2023 Water treatment chemicals-Amino trimethylene phosphonic acid
HG/T 2335-2003 2 --[ ( 4 -- Amino -- 3 -- methylphenyl ) ethylamino ] -- ethanol sulfate ( CD -4 )
HG/T 3777-2005 Water treatment chemicals - Diethlenetriamine penamethylene phosphonic acid

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

GB/T 26983-2011 Determination of sulfureted hydrogen,methyl mercaptan and ethyl mercaptan in crude oil
GB/T 20693-2020 Emamectin benzoate technical material
GB/T 11841-1989 Determination of uranium in uranium dioxide powder and pellets - Ferrous sulfate reduction-potassium dichromate oxidation titrimatric method
GB/T 22591-2008 Water treatment chemicals - Bis-hexamethylene ariamine penta-methylene phosphonic acid
GB 11841-1989 Determination of Uranium in Uranium Dioxide Powder and Pellets by Ferrous Sulfate Reduction Potassium Dichromate Oxidative Titration
GB/T 15900-1995 Chemical reagent. Sodium pyrosulfite
GB/T 23834.2-2009 Chemical analysis method for stannous sulfate - Part 2: Determination of insoluble substance in hydrochloric acid - Gravimetric method
GB/T 4701.4-1984 Methods for chemical analysis of ferrotitanium--The persulfate-arsenite volumetric method for the determination of manganese content
GB/T 11213.5-1989 Sodium hydroxide for chemical fiber use--Determination of sulphate mass fraction--Barium sulphate gravimetric method
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 27812-2011 Water treatment chemicals—Polyamino polyether methylene phosphonate(PAPEMP)

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

工业和信息化部

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

Professional Standard - Agriculture

890药典二部-2010 The first part of eight paintings stannous methylene bisphosphonate for injection
2597药典二部-2015 Part Two Technetium [99mTc] Methylene Diphosphonate Injection
2686药典二部-2020 Part II stannous methylene bisphosphonate for injection
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

Group Standards of the People's Republic of China

T/CASME 540-2023 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide
T/CSTM 00862-2023 Nucleating agent-Sodium 2,2’-Methylene bis-(4,6-di-tert-butylphenyl) phosphate
T/ZACA 038-2021 Chlorination co-production nitrososulfuric acid
T/ZZB Q038-2021 Chlorination co-production nitrososulfuric acid
T/LNIQA 019-2024 Determination of fluoride, chloride, nitrate, nitrite, sulfate, bromate and phosphate content in drinking natural mineral water - ion chromatography

Professional Standard - Commodity Inspection

SN/T 3528-2013 Determination for sulfite and bisulfite in cosmetics for import and export - Ion chromatographic method

Hebei Provincial Standard of the People's Republic of China

DB13/ 383-1998 Emamectin benzoate technical drug

Taiwan Provincial Standard of the People's Republic of China

CNS 1815-1971 P-Methylaminophenol Sulfate (Metol)
CNS 4631-1978 Rubber Vulcanization Accelerator ZnMDC (Zinc Dimethyl Dithiocarbamate)

Professional Standard - Petrochemical Industry

SH 2604.02-2003 Water treatment chemicals - Sodium (ethylenedinitrilo) - tetramethylenephosphate

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.G8.016-1980 Reagents. Hydrochloric acid. Determination of sulphate? ash. Gravimetric method
JUS H.G8.423-1990 Reagents. So?ium sulphite, anhydrous and sodium sulphite heptahvdrate. Determination of chlorides content. Turbi?imetric method

RO-ASRO

STAS 8620-1970 SULPHITEPULP FOR NITRATING
STAS SR 13178-3-1994 Animal feeding stuffs. Bacteriological examination. Enumeration of sulfite-reducing Clostridium

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]-.

SCC

UNE 84053:1994 COSMETIC RAW MATERIALS. METHYL P-HYDROXYBENZOATE, SODIUM SALT.
BS EN 891:1999 Chemicals used for treatment of water intended for human consumption. Iron (III) chloride sulfate
UNE 84054:1994 COSMETIC RAW MATERIALS. PROPYL P-HYDROXYBENZOATE, SODIUM SALT.
NS-EN 12396-3:2000 Non-fatty foods — Determination of dithiocarbamate and thiuram disulfide residues — Part 3: UV spectrometric xanthogenate method
DANSK DS/EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV spectrometric xanthogenate method
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
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)
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 3105:1959 Metol p-methylaminophenol sulphate photographic grade
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 3105:1978 Specification for photographic grade p-methylaminophenol sulphate (metol)
BS 5349-6:1976 Methods for microbiological examination of gelatine-Detection of sulphite-reducing organisms
NS 9045:1981 Sodium hydroxide for industrial use — Determinatio of sulphate content — Barium sulphate gravimetric method

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

AENOR

UNE 84053:2011 Cosmetic raw materials. Methyl p-hydroxybenzoate, sodium salt.
UNE 84088:1994 COSMETIC RAW MATERIALS. SULPHATED ASH DETERMINATION. GRAVIMETRIC METHOD.
UNE 84089:1994 COSMETIC RAW MATERIALS. DETERMINATION OF 2-HYDROXYBENZOICO ACID (SALICYLIC ACID) IN p-HIDROXYBENZOATES.
UNE 84054:2011 Cosmetic raw materials. Propyl p-hydroxybenzoate, sodium salt.
UNE 84013:2006 Cosmetic raw materials. Triethanolamine lauryl sulfate 40%.
UNE-EN 891:2006 Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate
UNE 34233:1984 SODIUM CHLORIDE. DETERMINATION OF SULPHATE CONTENT. BARIUM SULPHATE GRAVIMETRIC METHOD.
UNE-EN 12396-3:2001 Non-fatty foods. Determination of dithiocarbamate and thiuram disulfide residues. Part 3: UV spectrometric xanthogenate method.

Association Francaise de Normalisation

NF T29-004:1968 Photography chemicals - P-methylaminophenol sulfate
NF T94-214:2005 Chemicals used for treatment of water intended for human consumption - Sodium disulfite.
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 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 T94-108*NF EN 886:2005 Chemicals used for treatment of water intended for human consumption - Polyaluminium hydroxide silicate sulfate
NF T20-405:1982 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF EN ISO 8799:2009 Surfactants - Ethoxylated alcohol and alkylphenol sulfates - Determination of sulfate content
NF V03-010-3*NF EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
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 V03-060-2*NF EN 1988-2:1998 Foodstuffs. Determination of sulfite. Part 2 : enzymatic method.

RU-GOST R

GOST 6501-1982 Sulphite unbleached pulp of coniferous wood. Specifications

FI-SFS

SFS 3603-1976 Sulfides, sulfites and sulfates in alkaline white liquor and green liquor
SFS 3612-1976 Residual sulfur dioxide and released sulfur dioxide from sulfite residual liquor

IN-BIS

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

PL-PKN

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

Japanese Industrial Standards Committee (JISC)

JIS K 7714:1986 Photographic grade n-methyl-para-aminophenol sulphate (metol)
JIS K 7722:1987 Photographic grade 4-(n-ethyl-n-2-methanesulphonylaminoethyl)-2-methylphenylenediamine sesquisulphate monohydrate
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

American Society for Testing and Materials (ASTM)

ASTM D4654-87(2003) Standard Test Method for Sulfate Basicity in Leather

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 1408:1998 Chemicals Used for Treatment of Water Intended for Human Consumption - Poly(Diallyldimethylammonium Chloride)
EN 1408:2008 Chemicals used for treatment of water intended for human consumption - Poly (diallyldimethylammonium chloride)
EN 886:2001 Chemicals Used for Treatment of Water Intended for Human Consumption - Polyaluminium Hydroxide Silicate Sulfate Ratified European Text
EN 886:2004 Chemicals used for treatment of water intended for human consumption - Polyaluminium hydroxide silicate sulfate
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

British Standards Institution (BSI)

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 1988-2:1998 Foodstuffs - Determination of sulfite - Enzymatic 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 EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
BS ISO 422:1995 Photography. Processing chemicals. Specifications for p-methylaminophenol sulfate
BS ISO 422:1994 Photography - Processing chemicals - Specifications for p-methylaminophenol sulfate
BS EN 886:2004 Chemicals used for treatment of water intended for human consumption - Polyaluminium hydroxide silicate sulfate

ES-UNE

UNE 84013:2018 Cosmetic raw materials. Triethanolamine lauryl sulfate 40%.

KR-KS

KS M ISO 422-2019 Photography — Processing chemicals —Specifications for p-methylaminophenol sulfate
KS M ISO 2480-2017 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

International Organization for Standardization (ISO)

ISO 422:1994 Photography - Processing chemicals - Specifications for p-methylaminophenol sulfate
ISO 422:1976 Photographic grade p-methylaminophenol sulphate; Specification
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 2480:1972 Sodium chloride for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 993:1976 Potassium hydroxide for industrial use — Determination of sulphate content — Barium sulphate gravimetric 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 10304-2:1995 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 982:1976 Sodium hydroxide for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

Korean Agency for Technology and Standards (KATS)

KS M ISO 422:2019 Photography — Processing chemicals —Specifications for p-methylaminophenol sulfate
KS M 3926-1989(1999) PHOTOGRAPHIC GRADE 4-(N-ETHYL-N-2-METHANESULPHONYLAMINOETHYL)-2-METHYLPHENYLENEDIAMINESESQUISULFATE(MONOHYDRATE)
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 2480:2017 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS M ISO 2480-2022 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS M ISO 2480-2017(2022) Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS M ISO 2480:2012 Sodium chloride for industrial use-Determination of sulphate content-Barium sulphate gravimetric method

German Institute for Standardization

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 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 886:2005 Chemicals used for treatment of water intended for human consumption - Polyaluminium hydroxide silicate sulfate; German version EN 886:2004
DIN EN 891:2020 Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate; German and English version prEN 891:2020
DIN EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005

Lithuanian Standards Office

LST EN 12396-3-2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV spectrometric xanthogenate method
LST EN 891-2004 Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate
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)

Danish Standards Foundation

DS/EN 12396-3:2000 Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 3: UV spectrometric xanthogenate method
DS/EN 891:2005 Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate
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

GSO

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
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
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
OS GSO ISO 2480:2008 Sodium chloride for industrial use - Determination of sulphate content - Barium sulphate gravimetric method
GSO ISO 2480:2008 Sodium chloride for industrial use - Determination of sulphate content - Barium sulphate gravimetric method
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

VN-TCVN

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

CU-NC

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

AT-ON

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

CZ-CSN

CSN 56 0216 Cast.7-1980 Testing methods for wines. etermination of sulphite oxide

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