Sulfur dioxide gas phase

Sulfur dioxide gas phase, Total:207 items.

The international standard classification for "Sulfur dioxide gas phase" includes: Rubber compounding ingredients , Ambient atmospheres , Oxides , Chemical analysis , Workplace atmospheres , Gases for industrial application , Other products of the chemical industry , Ferrous metals in general , Geology. Meteorology. Hydrology , Cosmetics. Toiletries , Aluminium and aluminium alloys .

The Chinese standard classification for "Sulfur dioxide gas phase" includes: Carbon black , Analysis methods for toxic substances in atmosphere , Oxide and elementary substance , Environmental sanitation , Industrial gas and chemical gas , Labor sanitation , Chemical Measurement , Catalyst , Basic standards and general methods for catalyst , Industrial dust and gas prevention technology , Steel and iron alloy analysis method , Meteorology , Basic standards and general methods , Cosmetics , Light metals and their alloys analysis method .

Hunan Provincial Standard of the People's Republic of China

DB43/T 2940-2024 Determination of sulfur dioxide in pickled vegetable embryos by gas chromatography

Group Standards of the People's Republic of China

T/FSI 003-2016 Silicon tetrachloride for production of fumed silica
T/DLSHXH 014-2024 Electronic gas sulfur dioxide
T/FSI 078-2022 Fumed silica for silicone rubber
T/XZFW 008-2023 Stationary source emission —data processor for monitoring of sulfur dioxide and nitrogen oxides
T/ZZB 1420-2019 Hydrophilic fumed silica
T/XZFW 001-2023 Stationary source emission —data processor for monitoring of sulfur dioxide and nitrogen oxides
T/LCAA 005-2021 Determination of methane, nitrous oxide and carbon dioxide concentrations in gases——gas chromatography method

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

GB/T 8984.1-1997 Determination of carbon monoxide, carbon dioxide and hydrocarbon in the gases--Part 1: Determination of carbon monoxide, carbon dioxide and mathane in the gases--Gas chromatographic method
GB/T 8984-2008 Determination of carbon monoxide carbon dioxide and hydrocarbon in gases - Gas chromatographic method
GB/T 14678-1993 Air quality －Determination of sulfuretted hydrogen, methyl sulfhydryl, dimethyl sulfide and dimethyl disulfide －Gas chromatography
GB/T 3637-2011 Liquid sulphur dioxide
GB/T 20020-2013 Fumed silica
GB/T 16034-1995 Workplace air--Determination of arsenic trioxide and pentoxide--Silver diethyl dithiocarbamate spectrophotometric method
GB/T 17097-1997 Hygienic standard for sulfur dioxide in indoor air
GB/T 3637-1993 Liquid sulphur dioxide
GB/T 20020-2005 GB/T 2002 0-2005 Fumed silica

Taiwan Provincial Standard of the People's Republic of China

CNS 1900-1982 Chemical Reagent (Potassium Peroxydisulfate)
CNS 1558-1996 Ammonium Peroxodisulfate (Reagent)
CNS 3796-1975 Methods for Determination of Total Sulphur Oxides and Sulphur Dioxide in Flue Gas

National Metrological Verification Regulations of the People's Republic of China

JJG 551-2003 Sulfur Dioxide Gas Detectors
JJG 551-2021 Sulfur Dioxide Gas Detectors

Yunnan Provincial Standard of the People's Republic of China

DB53/T 340-2011 Smelting sulfur dioxide flue gas to produce ammonium sulfate

Professional Standard - Chemical Industry

HG/T 2086-2013 The Catalyst Oxidizing Sulphuric Dioxide Into Sulphuric Acid
HG/T 2516-2013 Analytical Method of Chemical Composition in the Catalyst Oxidizing Sulphuric Dioxide Into Sulphuric Acid
HG 2086-2004 The catalyst oxidizing sulphuric dioxide into sulphuric acid
HG/T 2089-2014 Test method of activity for oxidizing sulphuric dioxide into sulphuric acid catalyst
HG/T 2516-2005 Analytical method of chemical composition in the catalyst oxidizing sulphuric dioxide into sulphuric acid
HG/T 3258-2001 Thiourea dioxide for industrial use
HG/T 6235-2023 Method for determination of vanadium content in catalysts for oxidation of waste sulfur dioxide to sulfuric acid
HG/T 3258-2010 Thiourea dioxide for industrial use
HG/T 2089-2007 Test method of activity for oxidizing sulphuric dioxide into sulphuric acid catalyst
HG/T 6228-2023 Test method for primary particle size activity of catalysts for oxidation of sulfur dioxide to sulfuric acid
HG/T 2086-2004 The catalyst oxidizing sulphuric dioxide into sulphuric acid

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

GJB 916/1-2000 Lithium-sulfur dioxide battery series specifications
GJB 1966-1994 Specification for fumed silica
GJB 916-1990 General specification for lithium-sulfur dioxide batteries

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 3637-2021 Liquid sulphur dioxide

Professional Standard - Electricity

DL/T 2279-2021 Test method for sulfur dioxide oxidation ratio of selective catalyst reduction catalyst for thermal power plant- Powder method
DL/T 1551-2016 Method for determination of sulfur dioxide, hydrogen sulfide, fluorinated sulfuric acid, and fluorinated sulfurous acid in sulfur hexafluoride gas - GC-MS

Guizhou Provincial Standard of the People's Republic of China

DB52/T 1095-2016 CHP series high-efficiency catalysts for sulfur dioxide oxidation to sulfuric acid
DB52/T 1096-2016 VCs series cesium-containing catalyst for sulfur dioxide oxidation to sulfuric acid

Professional Standard-Ships

CB 1019.2-1982 Detection Tube for Sulfur Dioxide

Professional Standard - Coal

MT 271-1994 Detector Tube for Sulfur Dioxide
MT/T 271-1994 Sulfur dioxide detection tube

Professional Standard - Geology

DZ/T 0064.74-2021 Methods for analysis of groundwater quality- Part 74: Determination of helium, hydrogen, oxygen, argon nitrogen, methane, carbon monoxide, carbon dioxide and hydrogen sulfide- Gas chromatography

Professional Standard - Building Materials

JC/T 2294-2014 Testing in sulfur dioxide test with condensation of moisture

Professional Standard - Ferrous Metallurgy

YB/T 4218-2010 Vanadium pentoxide - - Determination of vanadium pentoxide content - - The ammonium persulfate oxidation titrimetric method

National Metrological Technical Specifications of the People's Republic of China

JJF 1364-2012 Program of Pattern Evaluation of Sulfur Dioxide Gas Detectors

Professional Standard - Meteorology

QX/T 272-2015 Monitoring method for atmospheric sulfur dioxide. Ultraviolet fluorescence method

Anhui Provincial Standard of the People's Republic of China

DB34/T 1553-2011 Vacuum Insulation Panel-Fumed Silica

Chongqing Provincial Standard of the People's Republic of China

DB50/T 834-2017 Determination of sulfur dioxide in ambient air by ultraviolet fluorescence method

Professional Standard - Hygiene

WS/T 41-1996 Exhaled air - Determination of carbon disulfide - Gas chromatographic method

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 35960-2018 Catalysts titanium oxide type for sulfur recovery
GB/T 35771-2017 Determination of dimethyl sulfate and diethyl sulfate in cosmetics―Gas chromatography-mass spectrometry method

Professional Standard - Non-ferrous Metal

YS/T 715.1-2009 Methods for chemical analysis of selenium dioxide Part 1: Determination of selenium dioxide content - Sodium thiosulfate titration

Professional Standard - Machinery

JB/T 6240-1992 Sulfur dioxide analyzer - Specification

Professional Standard - Environmental Protection

HJ 1044-2019 Ambient air—Automatic determination of sulfur dioxide—Ultraviolet fluorescence method

Association Francaise de Normalisation

NF X20-353:1975 DETERMINATION OF SULPHUR DIOXIDE BY GAS CHROMATOGRAPHY
NF X20-354:1975 Gas analysis - Determination of sulphur dioxide by continuous coulometric method.
NF X20-355:1975 Gas analysis-determination of sulfur dioxide by electrical conductimetry.
NF T20-293:1970 Sulfuric acid and oleums for industrial use. Determination of sulphur dioxyde content.
NF X20-352:1976 Dioxide sulphur determination by mass spectrometry.
NF T94-202:1996 Chemicals use for treatment of water intended for human consumption. Sulfur dioxyde.
NF T94-202*NF EN 1019:2005 Chemicals used for treatment of water intended for human consumption - Sulfur dioxide

CZ-CSN

CSN 83 4711 Cast.5-1982 Emission measurement of SO2, SO3, H2SO4, SOx from stationary sources of air pollution. Determination of H2SO4, SO3, SO2
CSN 83 4711 Cast.7-1982 Emission measurement of SO2, SO3, H2SO4, SOx from stationary sources of air pollution. Determination of SO2
CSN 83 4711 Cast.3-1982 Emission measurement of SO2, SO3, H2SO4, SOx from stationary sources of air pollution. Determination of SOx
CSN 83 4711 Cast.6-1982 Emission measurement of SO2, SO3, H2SO4, SOx from stationary sources of air pollution. Determination of SO3
CSN 83 4711 Cast.4-1982 Emission measurement of SO2, SO3, H2SO4, SOx from stationary sources of air pollution. Determination of H2SO4, SOx
CSN 83 4711 Cast.1-1982 Emission measurement of SO2, SO3, H2SO4, SOx from stationary sources of air pollution. General part
CSN 83 4711 Cast.2-1982 Emission measurement of SO2, SO3, H2SO4, SOx from stationary sources of air pollution. Air sampling for manual methods
CSN 03 8130-1984 Sulphur dioxide corroslon test with condensation of water vapour
CSN 03 8211-1987 Corrosive aggressivity of the atmosphere. Methods of measurement of sulphur dioxide pollution
CSN 65 1025 Cast.3-1989 Oleum for industrial use. ethod for the determination of otal sulphur trioxide and free sulphur ripxide content

Japanese Industrial Standards Committee (JISC)

JIS K 0004:1992 Sulfur dioxide (standard reference gas)
JIS K 0004:1998 Reference material -- Standard gas -- Sulfur dioxide
JIS B 7981:1996 Continuous analyzers for sulfur dioxide in flue gas
JIS B 7952:2004 Continuous analyzer for sulfur dioxide in ambient air
JIS B 7952:1996 Continuous analyzers for sulfur dioxide in ambient air

Korean Agency for Technology and Standards (KATS)

KS I 2105-2009 Sulfur dioxide(standard reference gas)
KS I 2105-2010 Sulfur dioxide(standard reference gas)
KS M 1015-1994 Sulfur dioxide(standard reference gas)
KS B 5354-1993 Continuous Analyzers for sulfur dioxide in flue gas
KS B 5354-2023 Continuous analyzers for dioxide sulfur in flue gas
KS B 5359-1990(2016) Continuous Analysers for Sulfur Dioxide in Ambient Air
KS B 5359-2001 Continuous Analysers for Sulfur Dioxide in Ambient Air
KS B 5354-2018 Continuous analyzers for dioxide sulfur in flue gas
KS B 5359-1990 Continuous Analysers for Sulfur Dioxide in Ambient Air
KS B 5354-2003 Continuous analyzers for dioxide sulfur in flue gas
KS B 5359-2021 Continuous Analysers for Sulfur Dioxide in Ambient Air
KS B 5359-1990(2021) Continuous Analysers for Sulfur Dioxide in Ambient Air
KS I ISO 10498-2020 Ambient air－Determination of sulfur dioxide－Ultraviolet fluorescence method
KS I ISO 10498-2005(2020) Ambient air－Determination of sulfur dioxide－Ultraviolet fluorescence method
KS I ISO 10498:2005 Ambient air－Determination of sulfur dioxide－Ultraviolet fluorescence method

BE-NBN

NBN T 95-202-1981 Determination of the sulphur trioxide and of the sulphur dioxide con-tent of combustion gases
NBN 771-06-1969 Determination of sulfur dioxide content
NBN T 95-201-1981 Determination of the sulphuric acid + sulphur trioxide and of

SCC

AWWA B512-1997 Sulfur Dioxide
AWWA B512-2023 Sulfur Dioxide
CAN/CSA-Z223.2-M86-1986(R1999) Method for the Continuous Measurement of Oxygen, Carbon Dioxide, Carbon Monoxide, Sulfur Dioxide and Oxides of Nitrogen in Enclosed Combustion Flue Gas Streams
CAN/CSA Z223.2-M86-1986(R1999) Method for the Continuous Measurement of Oxygen, Carbon Dioxide, Carbon Monoxide, Sulfur Dioxide and Oxides of Nitrogen in Enclosed Combustion Flue Gas Streams
CSA Z223.22-M1980-1980(R1999) Method for the Measurement of Sulphur Dioxide in Air
VDI 2462 BLATT 1-1974 Measurement of gaseous emissions; measurement of sulphur dioxide concentration; iodine-thiosulphate method
VDI 2462 BLATT 3-1974 Measurement of gaseous emissions; Measurement of sulphur dioxide concentration; Hydrogen peroxide method; Gravimetric determination
NS 4859:1983 Air quality — Emission measurement — Manual determination of concentration of sulphur trioxide/sulphuric acid and sulphur dioxide in dustladen gases — Isopropanol method
BS 1747-3:1963 Methods for measurement of air pollution. Determination of sulphur dioxide
VDI 2462 BLATT 1-1974 Measurement of gaseous emissions; measurement of sulphur dioxide concentration; iodine-thiosulphate method
DANSK DS/ISO 10498:2006 Ambient air - Determination of sulfur dioxide - Ultraviolet fluorescence method
VDI 2462 BLATT 3-1974 Measurement of gaseous emissions; Measurement of sulphur dioxide concentration; Hydrogen peroxide method; Gravimetric determination

American Water Works Association (AWWA)

ANSI/AWWA B512-23 Sulfur Dioxide
AWWA B512-2008 Sulfur Dioxide
AWWA B512-2015 Sulfur Dioxide
ANSI/AWWA B512-2008 Sulfur Dioxide
ANSI/AWWA B512-2015 Sulfur Dioxide
AWWA B512-2002 Sulfur Dioxide

HU-MSZT

MSZ 904-1970 sulfur dioxide
MSZ 21 853/7-1975 Air pollution source detection, sulfur dioxide measurement
MSZ 9402/19.lap-1958 Color fixation detection of textile materials. Sulfur dioxide (sulfur oxide)
MSZ 21456/5-1986 Air gas pollution detection. Sulfur dioxide content detection
MSZ 21456/3-1976 Review gas pollution. Definition of air sulfur dioxide
MSZ 21 853/6-1984 Air pollution source detection. Detection of Sulfur Dioxide Emissions

Compressed Gas Association (U.S.)

CGA G-3-2023 SULFUR DIOXIDE

PL-PKN

PN Z04039-1968 Datormination o? tulphur dioxide in ai
PN Z08060-1953 Industrial safety canisters -- Test for impermeability to ammonia, chlorine, hydrogen sulphide, nitrogen oxides, sulphur dioxide and carbon sulphide vapours
PN C84918-1967 Technical sulphur dioxide liquefied
PN Z04092-05-1990 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen oxide, dioxide and total nitrogen oxides in waste gases (emission)

SAE - SAE International

SAE AMS3755A-1992 Powder@ Fumed Silicon Dioxide
SAE AMS3755D-2016 Powder@ Fumed Silicon Dioxide
SAE AMS3755-1983 POWDER@ FUMED SILICON DIOXIDE
SAE AMS3755/2B-2016 Powder@ Fumed Silicon Dioxide Thickening Efficiency 95
SAE AMS3755/1B-2016 Powder@ Fumed Silicon Dioxide Thickening Efficiency 120

Society of Automotive Engineers (SAE)

SAE AMS3755B-2001 Powder, Fumed Silicon Dioxide
SAE AMS3755C-2009 Powder, Fumed Silicon Dioxide
SAE AMS3755A-1997 POWDER, FUMED SILICON DIOXIDE
SAE AMS3755/1A-2003 Powder, Fumed Silicon Dioxide Thickening Efficiency 120
SAE AMS3755/2-1983 POWDER, FUMED SILICON DIOXIDE Thickening Efficiency 90
SAE AMS3755/2A-2003 Powder, Fumed Silicon Dioxide Thickening Efficiency 95
SAE AMS3755/1-1983 POWDER, FUMED SILICON DIOXIDE Thickening Efficiency 120

KR-KS

KS B 5354-2018(2023) Continuous analyzers for dioxide sulfur in flue gas

RO-ASRO

STAS 10500/2-1976 MINE AIR etermination of sulphur dioxide
STAS 5958-1976 FRUIT AND VEGETABLE PRODUCTS Determinat ion of total and free sulpphur dioxide
STAS 10194-1989 AIR PURITY Sulphur dioxide content determination
STAS SR 12271-10-1994 Uranium dioxyde. Sulphur determination
STAS 11230-1979 FRUIT JUICES CANNED WITH SULPHUR DIOXIDE
STAS 6182/13-1972 WINE Determination of sulphurous anhydridc
STAS SR 9934-3-1998 Pyrite cinder. Silicon dioxide determination

VDI - Verein Deutscher Ingenieure

VDI 2298-1970 ejection limitation; Sulfur dioxide and sulfur trioxide from sulfuric acid plants

Indonesia Standards

SNI 19-4174-1996 Determination of sulphuric oxide (SO2) in air by Pararosanilina method
SNI 19-1424-1989 Test methods for sulphur dioxide content of ambient air

German Institute for Standardization

DIN 50018:1997 Testing in a saturated atmosphere in the presence of sulfur dioxide
DIN 50018 E:2012-05 Testing in a saturated atmosphere in the presence of sulfur dioxide
DIN 50018:2013 Testing in a saturated atmosphere in the presence of sulfur dioxide

NL-NEN

NEN 2045-1981 Air quality - The calibration of measuring methods for nitrogen monoxide, nitrogen dioxide and ozone by means of gas-phase titration
NEN 3808-1970 Gelatine. Determination of sulfur dioxide content

Danish Standards Foundation

DS 727.4:1956 Valves for steel cylinders forgases. Sulphur dioxide. Outlet connections
DS/ISO 10498:2007 Ambient air - Determination of sulfur dioxide - Ultraviolet fluorescence method

FI-SFS

SFS 3612-1976 Residual sulfur dioxide and released sulfur dioxide from sulfite residual liquor

YU-JUS

JUS H.F8.180-1989 Gases. Determination of sulphur dioxide. Choice of methods
JUS H.F8.152-1986 Gases. Determination ofcarbon dioxid content. Gas chromatographic methctC/

GB-REG

REG 40 CFR PART 73-2011 SULFUR DIOXIDE ALLOWANCE SYSTEM
REG 40 CFR PART 74-2012 SULFUR DIOXIDE OPT-INS
REG 40 CFR PART 74-2011 SULFUR DIOXIDE OPT-INS

US-FCR

FCR 40 CFR PART 73-2012 SULFUR DIOXIDE ALLOWANCE SYSTEM
FCR 40 CFR PART 73-2014 SULFUR DIOXIDE ALLOWANCE SYSTEM
FCR 40 CFR PART 74-2013 SULFUR DIOXIDE OPT-INS
FCR 40 CFR PART 74-2014 SULFUR DIOXIDE OPT-INS

IN-BIS

IS 2432-1993 Liquid sulphur dioxide - specification
IS 13910-1993 Sulphur dioxide - code of safety
IS 7908-1975 Specification for food grade sulfur dioxide
IS 5182 Pt.2-1969 Air Pollution Part Ⅱ Measurement Methods for Sulfur Dioxide

U.S. Environmental Protection Agency (U.S. EPA)

EPA 40 CFR PART 74-2010 SULFUR DIOXIDE OPT-INS
EPA 40 CFR PART 73-2010 SULFUR DIOXIDE ALLOWANCE SYSTEM

Natural Gas Processor's Association (NGPA)

GPA RR-12-1975 Enthalpy and Phase Boundry Measurements on Carbon Dioxide and Mixtures of Carbon Dioxide with Methane, Ethane, and Hydrogen Sulfide
GPA RR-7-1972 The Equilibrium Phase Properties of the Binary Systems: Nitrogen-Hydrogen Sulfide, Isobutane-Hydrogen Sulfide, Isobutane-Carbon Dioxide, Isobutane-Ethane
GPA RR-15-1975 Equilibrium Phase Properties of Selected Binary Systems at Low Terperature: Nitrogen - Hydrogen Sulfide Ethane - Hydrogen Sulfide n Butane - Carbon Dioxide
GPA RR-29-1978 Equilibrium Phase Compositions of Selected Aromatic and Naphthenic Binary Systems: Toluene - Carbon Dioxide Toluene - Hydrogen Sulfide Methyl Cyclohexane - Carbon Dioxide Methyl Cyclohexane - Hydrogen Sulfide
GPA RR-57-1982 Phase Behavior of Two Mixtures of Methane, Carbon Dioxide, Hydrogen Sulfide, and Water
GPA RR-18-1976 Equilibrium Phase Properties of Selected Binary Systems: n-Heptane - Hydrogen Sulfide n-Heptane - Carbon Dioxide i-Butane - Nitrogen; Addendum - 1977
GPA RR-43-1980 Equilibrium Phase Properties of Selected m-Xylene and Mesitylene Binary Systems: m-Xylene - Hydrogen Sulfide Mesitylene - Hydrogen Sulfide Mesitylene - Carbon Dioxide
GPA RR-24-1977 Enthalpy and Phase Bondary Measurements on Mixtures of Nitrogen with Methane, Carbon Dioxide, and Hydrogen Sulfide

GM North America

GM GM9736P-1988 Sulfur Dioxide Spot Test

Canadian Standards Association (CSA)

CSA Z223.2-M86-CAN/CSA-1986 Method for the Continuous Measurement of Oxygen, Carbon Dioxide, Carbon Monoxide, Sulphur Dioxide, and Oxides of Nitrogen in Enclosed Combustion Flue Gas Streams General Instruction No 1 R(1999)

NO-SN

NS 4859-1983 Air quality - Emission measurement - Manual determination of concentration of sulphur trioxide/sulphuric acid and sulphur dioxide in dustladen gases - Isopropanol method

TR-TSE

TS 2360-1976 METHODS FOR THE MEASUREMENT OF AIR POLLUTION DETERMINAT?ON OF SULPHUR DIOXIDE

API - American Petroleum Institute

API 4019-1969 A STUDY OF SULFUR DIOXIDE IN PHOTOCHEMICAL SMOG. II
API 4013-1968 A STUDY OF SULFUR DIOXIDE IN PHOTOCHEMICAL SMOG

Standard Association of Australia （SAA）

AS B12:1931 Cylinders for the storage and transport of anhydrous ammonia, chlorine and sulphur dioxide
AS 2509:1981 Ambient air - Determination of acid gases (expressed as sulphur dioxide)
AS 2523:1982 Ambient air - Determination of sulphur dioxide -Direct-reading instrumental method

GSO

BH GSO ISO 10498:2017 Ambient air -- Determination of sulfur dioxide -- Ultraviolet fluorescence method
OS GSO ISO 10498:2015 Ambient air -- Determination of sulfur dioxide -- Ultraviolet fluorescence method
GSO ISO 3231:2007 Paints and varnishes — Determination of resistance to humid atmospheres containing sulfur dioxide
GSO ISO 10498:2015 Ambient air -- Determination of sulfur dioxide -- Ultraviolet fluorescence method

American Society for Testing and Materials (ASTM)

ASTM G87-98 Standard Practice for Conducting Moist SO ₂ Tests
ASTM G91-97(2004) Standard Practice for Monitoring Atmospheric SO 2 Using the Sulfation Plate Technique
ASTM UOP202-00 Disulfide Sulfur in Light Petroleum Distillates and LPG

RU-GOST R

GOST 2918-1979 Liquid sulrhur dioxide technical. Specifications
GOST R 52733-2007 Ambient air. Determination of sulfur dioxide. Ultraviolet fluorescence method

ESDU - Engineering Sciences Data Unit

ESDU 90003-1990 Thermophysical properties of sulphur dioxide.

SE-SIS

SIS SS 694-1988 Gas cylinders — Gas cylinders for carbon dioxide and nitrous oxide — Dimensions

Spanish Association for Standardization (UNE)

UNE 77-210-1989 Release of gas. Continuous Monitor Characteristics of Sulfur Dioxide

International Organization for Standardization (ISO)

ISO 10498:2004 Ambient air - Determination of sulfur dioxide - Ultraviolet fluorescence method

British Standards Institution (BSI)

BS EN 1185:1995 Starches and derived products - Determination of sulfur dioxide content - Acidimetric method

American National Standards Institute （ANSI)

ANSI/ASTM B799:1995 Test Method for Porosity in Gold and Palladium Coatings by Sulfurous Acid/Sulfur-Dioxide Vapor

European Committee for Standardization (CEN)

EN ISO 3231:1997 Paints and Varnishes - Determination of Resistance to Humid Atmospheres Containing Sulfur Dioxide

VN-TCVN

TCVN 7726-2007 Ambient air.Determination of sulfur dioxide.Ultraviolet fluorescence method