Atmospheric sulfur dioxide determination method

Atmospheric sulfur dioxide determination method, Total:185 items.

The international standard classification for "Atmospheric sulfur dioxide determination method" includes: Geology. Meteorology. Hydrology , Aluminium and aluminium alloys , Other products of the chemical industry , Oxides , Workplace atmospheres , Starch and derived products , Ferrous metals in general , Ferroalloys .

The Chinese standard classification for "Atmospheric sulfur dioxide determination method" includes: Meteorology , Light metals and their alloys analysis method , Basic standards and general methods for catalyst , Steel and iron alloy analysis method , Labor sanitation , Basic standards and general methods , Chemical Measurement , Analysis methods for industrial wastewater and pollutants .

Professional Standard - Meteorology

QX/T 67-2007 Determination of concentration of carbon dioxide in flask samples from
QX/T 272-2015 Monitoring method for atmospheric sulfur dioxide. Ultraviolet fluorescence method

Professional Standard - Electricity

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
DL/T 2279-2021 Test method for sulfur dioxide oxidation ratio of selective catalyst reduction catalyst for thermal power plant- Powder method

Professional Standard - Coal

MT/T 280-1994 Method for determination of harmful gas sulfur dioxide in mine air (detection tube method)
MT 280-1994 Harmful Gas Existing in Mine Air Detection Method of Sulfur Dioxide（Detector Tube 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 - Chemical Industry

HG/T 6235-2023 Method for determination of vanadium content in catalysts for oxidation of waste sulfur dioxide to sulfuric acid
HG/T 2089-2007 Test method of activity for oxidizing sulphuric dioxide into sulphuric acid catalyst
HG/T 2089-2014 Test method of activity for oxidizing sulphuric dioxide into sulphuric acid catalyst
HG/T 2516-2013 Analytical Method of Chemical Composition in the Catalyst Oxidizing Sulphuric Dioxide Into Sulphuric Acid
HG/T 2516-2005 Analytical method of chemical composition in the catalyst oxidizing sulphuric dioxide into sulphuric acid

Ningxia Provincial Standard of the People's Republic of China

DB64/T 675-2010 Rapid Determination Method of Sulfur Dioxide in Lycium barbarum

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

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

Taiwan Provincial Standard of the People's Republic of China

CNS 3796-1975 Methods for Determination of Total Sulphur Oxides and Sulphur Dioxide in Flue Gas
CNS 14712-2002 Paints and varnishes-Determination of resistance to humid atmospheres containing sulfur dioxide
CNS 2759-1967 Method of Test for Hydrogen Sulfide and Sulfur Dioxide Contents (Qualitative) of Aromatic Hydrocarbons

Professional Standard - Cultural Relics Protection

WW/T 0120-2023 Environmental testing for the preservation of cultural relics in museums Gas diffusion sampling and measurement methods Determination of nitrogen dioxide and sulfur dioxide

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

GB/T 6609.7-1986 Methods for chemical analysis of aluminium oxide--The trioctylphosphine oxide-thiocyanate photometric method for the determination of titanium dioxide 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
GB/T 7315.6-1987 Methods for chemical analysis of vanadium pentoxide--The oscillopolarographic method for the determination of sulphur content
GB/T 11198.12-1989 Sulphyric acid for industrial use--Determination of sulpur dioxide content--Iodometric method
GB/T 16034-1995 Workplace air--Determination of arsenic trioxide and pentoxide--Silver diethyl dithiocarbamate spectrophotometric method
GB/T 12094-1989 Method for determination of sulfur dioxide content in starches and derived products
GB/T 7315.5-1987 Methods for chemical analysis of vanadium pentoxide--The barium svlphate gravimetric method for the determination of sulphur content
GB/T 7315.1-1987 Methods for chemical analysis of vanadium pentoxide--The potassium permanganate oxidation-ammonium ferrous sulfate titrimetric method for the determination of vanadium pentoxide content

Professional Standard - Ferrous Metallurgy

YB/T 5328-2006 Methods for chemical analysis of vanadium pentoxide The potassium permanganate oxidation-ammonium ferrous sulfate titrimetric method for the determination of vanadium pentoxide content
YB/T 5332-2009 Vanadium pentoxid-Determination of sulfur content-The barium sulphate gravimetric method
YB/T 5328-2009 Vanadium pentoxide-Determination of vanadium pentoxide content-The potassium permanganate oxidation-ammonium ferrous sulfate titrimetric mehtod
YB/T 4218-2010 Vanadium pentoxide - - Determination of vanadium pentoxide content - - The ammonium persulfate oxidation titrimetric method
YB/T 5333-2006 Methods for chemical analysis of vanadium pentoxide The oscillopolarographic method for the determination of sulphur content
YB/T 5332-2006 Methods for chemical analysis of vanadium pentoxide The barium svlphate gravimetric method for the determination of sulphur content

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

Fujian Provincial Standard of the People's Republic of China

DB35/T 1747-2018 Technical Guidelines for Atmospheric Sulfur Dioxide (SO2) Source Apportionment - Stable Isotope Method

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

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

Professional Standard - Environmental Protection

HJ 1044-2019 Ambient air—Automatic determination of sulfur dioxide—Ultraviolet fluorescence method
HJ/T 56-2000 Determination of sulphur dioxide from exhausted gas of stationary source Iodine titration method
HJ/T 57-2000 Determination of Sulphur Dioxide from Exhausted Gas of Stationary Source - Fixed-potential Electrolysis Method
HJ 57-2017 Stationary source emission - Determination of sulfur dioxide - Fixed potential by electrolysis method

Shandong Provincial Standard of the People's Republic of China

DB37/T 2705-2015 Determination of sulfur dioxide in exhaust gas from stationary pollution sources by ultraviolet absorption method

Liaoning Provincial Standard of the People's Republic of China

DB21/T 3073-2018 Determination of sulfur dioxide in exhaust gas from stationary pollution sources by ultraviolet absorption method

Professional Standard - Agriculture

178药典四部-2020 2001 Other methods of traditional Chinese medicine 2331 Determination of sulfur dioxide residues
190药典四部-2015 2001 Other methods of traditional Chinese medicine 2331 Determination of sulfur dioxide residues
1798药典一部-2010 Appendix IX U Determination of Residual Sulfur Dioxide

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

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

GJB 533.4-1988 Detection method for 45 components of submarine cabin air. Determination of sulfur dioxide content. Calibration tube method

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

Group Standards of the People's Republic of China

T/DLSHXH 014-2024 Electronic gas sulfur dioxide

CZ-CSN

CSN 03 8211-1987 Corrosive aggressivity of the atmosphere. Methods of measurement of sulphur dioxide pollution
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 56 0160-11-1994 Methods for testing sugar products. Determination of sulphur dioxid.
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 65 1025 Cast.3-1989 Oleum for industrial use. ethod for the determination of otal sulphur trioxide and free sulphur ripxide content
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.2-1982 Emission measurement of SO2, SO3, H2SO4, SOx from stationary sources of air pollution. Air sampling for manual methods
CSN 83 4711 Cast.1-1982 Emission measurement of SO2, SO3, H2SO4, SOx from stationary sources of air pollution. General part
CSN 65 1025 Cast.4-1989 Sulphuric acid for industrial use. odometric method for the etermination of sulphur dioxide

TR-TSE

TS 2343-1976 METHODS FOR THE MEASUREMENT OF AIR POLLUTION DETERMINATION OF ATMOSPHERIC 5ULPHUR COMPOUNDS WITH LEAD DIOXIDE METHOD
TS 2360-1976 METHODS FOR THE MEASUREMENT OF AIR POLLUTION DETERMINAT?ON OF SULPHUR DIOXIDE

Korean Agency for Technology and Standards (KATS)

KS I 2208-2008 Methods for determination of carbon dioxide in air
KS B 5359-1990 Continuous Analysers for Sulfur Dioxide in Ambient Air
KS I ISO 10498-2020 Ambient air－Determination of sulfur dioxide－Ultraviolet fluorescence method
KS M 2303-2014 Methods for determination of carbon disulfide in exhaust gas
KS I ISO 10498:2005 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 2208-2014 Methods for determination of carbon dioxide in air
KS F 2603-2021 Method for measuring amount of room ventilation(carbon dioxide method)
KS F 2603-1986 Method for measuring amount of room ventilation(carbon dioxide method)
KS F 2603-2016 Method for measuring amount of room ventilation(carbon dioxide method)
KS B ISO 9022-20-2017(2022) Optics and optical instruments－Environmental test methods－Part 20：Humid atmosphere containing sulfur dioxide or hydrogen sulfide
KS B ISO 9022-20:2017 Optics and optical instruments－Environmental test methods－Part 20：Humid atmosphere containing sulfur dioxide or hydrogen sulfide
KS I 2105-2009 Sulfur dioxide(standard reference gas)

SCC

BS 1747-4:1969 Methods for measurement of air pollution-The lead dioxide method
BS 1747-3:1963 Methods for measurement of air pollution. Determination of sulphur dioxide
CSA Z223.22-M1980-1980(R1999) Method for the Measurement of Sulphur Dioxide in Air
VDI 2462 BLATT 3-1974 Measurement of gaseous emissions; Measurement of sulphur dioxide concentration; Hydrogen peroxide method; Gravimetric determination
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
BS EN ISO 3231:1998 Paints and varnishes. Determination of resistance to humid atmospheres containing sulfur dioxide
DANSK DS/ISO 10498:2006 Ambient air - Determination of sulfur dioxide - Ultraviolet fluorescence method
VDI 2462 BLATT 1-1974 Measurement of gaseous emissions; measurement of sulphur dioxide concentration; iodine-thiosulphate method
BS 1747-10:1990 Methods for measurement of air pollution-Determination of the mass concentration of sulphur dioxide in ambient air: tetrachloromercurate (TCM)/pararosaniline method
NS 4859:1983 Air quality — Emission measurement — Manual determination of concentration of sulphur trioxide/sulphuric acid and sulphur dioxide in dustladen gases — Isopropanol method
VDI 2462 BLATT 1-1974 Measurement of gaseous emissions; measurement of sulphur dioxide concentration; iodine-thiosulphate method
NS-EN ISO 3231:1997 Paints and varnishes — Determination of resistance to humid atmospheres containing sulfur dioxide (ISO 3231:1993)
CSA Z223.24-M1983-1983(R1999) Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air
JIS K 0110:2018 Methods for determination of dinitrogen monoxide in flue gas
BS 1747-7:1983 Methods for measurement of air pollution-Determination of mass concentration of sulphur dioxide in ambient air: Thorin spectrophotometric method
NS-EN ISO 22479:2022 Corrosion of metals and alloys - Sulfur dioxide test in a humid atmosphere (fixed gas method) (ISO 22479:2019)

YU-JUS

JUS H.F8.180-1989 Gases. Determination of sulphur dioxide. Choice of methods
JUS E.L8.020-1993 Sugars -Determination of sulphur-dioxide - Photometric method

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
SNI 19-1126-1989 Test method for sulfur dioxide content in a working area

Association Francaise de Normalisation

NF X20-355:1975 Gas analysis-determination of sulfur dioxide by electrical conductimetry.
NF X20-353:1975 DETERMINATION OF SULPHUR DIOXIDE BY GAS CHROMATOGRAPHY
NF X43-020:1983 ATMOSPHERIC POLLUTION. DETERMINATION OF TOTAL GASEOUS SULPHUR OR SULPHUR DIOXIDE ONLY BY FLAME. PHOTOMETRY IN AMBIANT AIR.
NF X43-019:1983 Atmospheric pollution. Determination of the sulphur dioxide content of the ambient air by means of ultraviolet fluorescence.
NF X20-354:1975 Gas analysis - Determination of sulphur dioxide by continuous coulometric method.
NF X43-013:1977 Atmospheric pollution.determination of the concentration by mass ofsulphur dioxide, in the ambient air.analysis by the thorin spectrophotometric method.
NF X20-352:1976 Dioxide sulphur determination by mass spectrometry.

GOSTR

GOST 34552-2019 Сonfectionery. Methods for determination of sulfur dioxide

Spanish Association for Standardization (UNE)

UNE 34189:1984 SUGARS. DETERMINATION OF SULPHUR DIOXIDE (METHOD MONIER-WILLIAMS)
UNE 34188:1984 SUGARS. DETERMINATION OF SULPHUR DIOXIDE (METHOD CARRUTHERS, HEANEY AND OLDFIELD).
UNE-ISO 10498:2006 Ambient air -- Determination of sulfur dioxide -- Ultraviolet fluorescence method (ISO 10498:2004)
UNE-EN 13523-23:2003 Coil coated metals- Test methods- Part 23: Colour stability in humid atmospheres containing sulfur dioxide.

BE-NBN

NBN T 95-202-1981 Determination of the sulphur trioxide and of the sulphur dioxide con-tent of combustion gases
NBN T 94-201-1975 Air sampling and analysis methods — Determination of sulphur dioxide (SO2) content in ambient air — Hydrogen peroxide method
NBN T 97-301-1983 Gas analysis - Determination of sulphur dioxide - General guidance for the choice of methods
NBN 771-06-1969 Determination of sulfur dioxide content
NBN T 22-114-1984 Paints and varnishes - Determination of resistance to humid atmospheres containing sulphur dioxide
NBN T 94-202-1977 Determination of sulphur dioxide content in ambient air - West and Gaeke method

PL-PKN

PN Z04039-1968 Datormination o? tulphur dioxide in ai
PN A79528-16-1993 Spirit (ethyl alcohol) Methods of tests Determination of sulphur dioxide content

American Society for Testing and Materials (ASTM)

ASTM D2914-15(2022) Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
ASTM D3449-79(1984) Method of Test for Sulfur Dioxide in Workplace Atmospheres (Barium Perchlorate Method)
ASTM D2010/D2010M-98(2010) Standard Test Methods for Evaluation of Total Sulfation Activity in the Atmosphere by the Lead Dioxide Technique
ASTM D2914-95 Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
ASTM D2914-01 Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
ASTM D2914-01(2007) Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
ASTM D2914-15 Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
ASTM D2010/D2010M-98 Standard Test Methods for Evaluation of Total Sulfation Activity in the Atmosphere by the Lead Dioxide Technique
ASTM D2010/D2010M-98(2017) Standard Test Methods for Evaluation of Total Sulfation Activity in the Atmosphere by the Lead Dioxide Technique
ASTM D1355-60(1967)e1 Method of Continuous Analysis and Automatic Recording of the Sulfur Dioxide Content of the Atmosphere
ASTM G91-97(2004) Standard Practice for Monitoring Atmospheric SO 2 Using the Sulfation Plate Technique
ASTM B799-95(2000) Standard Test Method for Porosity in Gold and Palladium Coatings by Sulfurous Acid/Sulfur-Dioxide Vapor
ASTM B799-95(2020) Standard Test Method for Porosity in Gold and Palladium Coatings by Sulfurous Acid/Sulfur-Dioxide Vapor

RO-ASRO

SR 110-11-1998 Sugar. Methods of analysis. Determination of sulfur dioxide content
STAS 10500/2-1976 MINE AIR etermination of sulphur dioxide
STAS 10194-1989 AIR PURITY Sulphur dioxide content determination
STAS 5958-1976 FRUIT AND VEGETABLE PRODUCTS Determinat ion of total and free sulpphur dioxide
STAS SR 13359-10-2001 Glucose - Methods of analysis - Determination of sulfur dioxyde content-iodometric method
STAS SR 12271-10-1994 Uranium dioxyde. Sulphur determination

Lithuanian Standards Office

LST 1612-2000 Confectionery. Methods for determination of total sulphur dioxide content

Canadian Standards Association (CSA)

CSA Z223.22 -M1980-1980 Method for the Measurement of Sulphur Dioxide in Air General Instruction No 1 R(1999)
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)

CU-NC

NC 93-02-213-1986 Standards System for Environmental Protection. Atmosphere Determination of Sulfur Dioxide by Acidometric 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

British Standards Institution (BSI)

BS 1747-3:1969 Methods for measurement of air pollution - Determination of sulphur dioxide
BS EN 13523-23:2023 Coil coated metals. Test methods - Resistance to humid atmospheres containing sulfur dioxide

Japanese Industrial Standards Committee (JISC)

JIS K 0228:1986 Analytical method for trace sulfur dioxide in dilvent gas and zero gas
JIS B 7952:2004 Continuous analyzer for sulfur dioxide in ambient air
JIS K 0304:1996 Methods for determination of carbon dioxide in air
JIS K 0103:2005 Methods for determination of sulfur oxides in flue gas
JIS K 0103:1995 Methods for determination of sulfur oxides in flue gas
JIS K 0091:1983 Methods for determination of carbon disulfide in exhaust gas
JIS K 0103:1999 Methods for determination of sulfur oxides in flue gas
JIS K 0004:1992 Sulfur dioxide (standard reference gas)

German Institute for Standardization

DIN 50018:1997 Testing in a saturated atmosphere in the presence of sulfur dioxide
DIN ISO 9022-20:2015-06 Optics and photonics - Environmental test methods - Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide (ISO 9022-20:2015)

HU-MSZT

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)

GSO

OS GSO ISO 10498:2015 Ambient air -- Determination of sulfur dioxide -- Ultraviolet fluorescence method
BH GSO ISO 10498:2017 Ambient air -- Determination of sulfur dioxide -- Ultraviolet fluorescence method
GSO ISO 10498:2015 Ambient air -- Determination of sulfur dioxide -- Ultraviolet fluorescence method
OS GSO ISO 5521:2016 Fruits, vegetables and derived products -- Qualitative method for the detection of sulphur dioxide
BH GSO ISO 5521:2017 Fruits, vegetables and derived products -- Qualitative method for the detection of sulphur dioxide
GSO ISO 5521:2016 Fruits, vegetables and derived products -- Qualitative method for the detection of sulphur dioxide

IN-BIS

IS 11454-1985 Method for measuring carbon dioxide in the interparticle atmosphere
IS 5182 Pt.2-1969 Air Pollution Part Ⅱ Measurement Methods for Sulfur Dioxide
IS 11255 Pt.2-1985 Methods of measurement of emissions from stationary sources Part 2 Sulfur dioxide

Standard Association of Australia （SAA）

AS 2523:1982 Ambient air - Determination of sulphur dioxide -Direct-reading instrumental method
AS 3580.4.1:2023 Methods of sampling and analysis of ambient air, Method 4.1: Determination of sulfur dioxide — Direct reading instrumental method
AS 3580.4.1:1990 Methods for sampling and analysis of ambient air, Method 4.1: Determination of sulfur dioxide - Direct reading instrumental method

RU-GOST R

GOST 25555.5-2014 Fruit and vegetable products. Methods for determination of sulphur dioxide content
GOST R 52733-2007 Ambient air. Determination of sulfur dioxide. Ultraviolet fluorescence method
GOST 34042-2016 Furniture, timber and polymers. The method for determination of sulphur dioxide in the air of climatic chambers
GOST 34201-2017 Sugar. Determination of sulphur dioxide content by iodometric method
GOST 19609.6-1989 Concentrated kaolin. Method for determination of sulphur oxide (VI)

Danish Standards Foundation

DS/ISO 10498:2007 Ambient air - Determination of sulfur dioxide - Ultraviolet fluorescence method

International Organization for Standardization (ISO)

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

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

AR-IRAM

IRAM 14 506-1960 How to measure sulfur dioxide in wine

VN-TCVN

TCVN 7726-2007 Ambient air.Determination of sulfur dioxide.Ultraviolet fluorescence method
TCVN 7246-2003 Health care solid waste incinerator.Determination method of sulfur dioxides (SO2) concentration in fluegas

GOST

GOST R 50332.2-1992 Alumina. Method for the determination of silica dioxide
GOST 25542.4-1983 Alumina. Method for the determination of titanium dioxide
GOST R 50332.5-1992 Alumina. Method for the determination of titanium dioxide
GOST 25542.5-1983 Alumina. Method for the determination of phosphorus pentoxide
GOST R 50332.6-1992 Alumina. Method for determination of phosporus oxide

SE-SIS

SIS SS 02 84 21-1990 Stationary source emissions — Determination of the mass concentration of sulfur dioxide — Hydrogen peroxide — barium perchlorateIThorin-method

KR-KS

KS B ISO 9022-20-2017 Optics and optical instruments－Environmental test methods－Part 20：Humid atmosphere containing sulfur dioxide or hydrogen sulfide

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