Sodium Sulfate Content Determination Method

Sodium Sulfate Content Determination Method, Total:194 items.

The international standard classification for "Sodium Sulfate Content Determination Method" includes: Rubber , Aliphatic hydrocarbons , Bases , Nickel, chromium and their alloys , Salts , Plastics , Acids , Ferrous metals , Metallic coatings , Chemical analysis of metals , Aluminium and aluminium alloys , Other non-ferrous metals and their alloys .

The Chinese standard classification for "Sodium Sulfate Content Determination Method" includes: Rubber products in general , Surface active agent , Inorganic acid and alkali , Rare metals and their alloys analysis method , Inorganic salt , Basic standards and general methods for synthetic resin and plastic , Steel and iron alloy analysis method , Chemical raw material ore , Material Protection , Light metals and their alloys analysis method , Synthetic food additives , Semimetal and semiconductor material analysis method , Heavy metals and their alloys analysis method , Metal physical property test method .

Group Standards of the People's Republic of China

T/HNNMIA 50-2023 Determination of selenium content in acid mud - Sodium thiosulfate titration method
T/CSTM 00780.1-2023 Methods for chemical analysis of sodium vanadate—Part 1: Determination of vanadium content —Ammonium ferrous sulfate titrimetric method

Professional Standard - Agriculture

187药典四部-2020 3100 content determination method 3105 sodium bisulfite determination method
207药典三部-2015 Content determination method 3105 Sodium bisulfite determination method general rule 54
225药典三部-2020 Content determination method 3104 Ammonium sulfate determination method
198药典四部-2015 3100 content determination method 3104 ammonium sulfate determination method
205药典四部-2015 3100 content determination method 3111 sodium octanoate determination method
199药典四部-2015 3100 content determination method 3105 sodium bisulfite determination method
193药典四部-2020 3100 content determination method 3111 sodium octanoate determination method
232药典三部-2020 Content Determination Method 3111 Determination of Sodium Caprylate
186药典四部-2020 3100 content determination method 3104 ammonium sulfate determination method
226药典三部-2020 Content determination method 3105 sodium bisulfite determination method

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

GB 223.18-1982 Chemical analysis of iron, steel and alloy--The determination of copper by thiosulfate-iodide method
GB/T 19421.9-2003 Test methods of crystalline layered sodium disilicate--Potassium fluosilicate volumetric methods for determination of sodium oxide content
GB/T 11198.1-1989 Sulphuric acid for industrial use--Determination of sulphuric acid content and calculation of free sulphur trioxide content of oleum--Titrimetric method
GB/T 223.18-1994 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Thiosulfate Separation Iodimetric Method for the Determination of Copper Content
GB 4581.4-1984 Alunite ores--Determination of sulphur content for sulphate--Barium sulphate gravimetric method
GB/T 6730.16-2016(英文版) Iron ores—Determination of sulfur content—Barium sulfate gravimetric method
GB/T 8638.9-1988 Nickel base alloy powder; Determination of copper content; Thiosulfate-iodimetric method
GB/T 13248-1991 Vulcanized rubber-Determination of manganese content-Sodium periodate photometric methods
GB/T 3514-1992 Rubber,vulcanized―Determination of free sulphur content―Sodium sulphite method
GB/T 12010.6-1989 Determination for sodium acetate contents of polyvinyl alcohol resins
GB/T 14454.13-1993 Aromatics. Determination of carbonyl compounds content. Neutral sodium sulfite method
GB/T 11213.6-1989 Sodium hydroxide for chemical fiber use--Determination of sulphate mass fraction--Turbidimetric method
GB/T 11213.5-2006 Sodium hydroxide for chemical fiber use—Determination of sulphate content
GB/T 13530.1-1992 Sodium ethoxylated alkyl sulfate--Determination of total active matter content
GB/T 11213.5-1989 Sodium hydroxide for chemical fiber use--Determination of sulphate mass fraction--Barium sulphate gravimetric method
GB/T 13530.2-1992 Sodium ethoxylated alkyl sulfate-Determination of unsulfated matter content

Qinghai Provincial Standard of the People's Republic of China

DB63/T 1296-2014 Determination of sodium chloride and sulfate content in industrial sodium carbonate by ion chromatography

Professional Standard - Aviation

HB/Z 5107.10-2004 Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 10: Continual determination of manganese sulfate and magnesium sulfate content in sodium bichromate and magnesium sulfate oxidatioin solution by EDTA volumetric method
HB/Z 5088.2-1999 Analysis Method for Nickel Plating Solution Determination of Sodium Sulfate Content Through Precipitation Titration
HB/Z 5085.6-1999 Analysis Method for Cyaniding Cadmium Electroplating Solution - Determination of Sodium Sulfate Content Through Volumetric Precipitation Method
HB/Z 5089.4-2004 Methods for analysis of plating black nickel solutions-Part 4:Determination of sodium sulfate content by precipitation titrimetric method
HB/Z 5088.1-1999 Analysis Method for Electronickelling Solution - Determination of Nickel Sulfate and Magnesium Sulfate Content with EDTA Volumetric Method
HB/Z 5109.7-2001 Analysis method for passivation solution Determination of sodium sulfate in zinc plating, cadmium plating nitric acid passivation solution
HB/Z 5107.11-2004 Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 11: Determination of sodium bichromate content in sodium bichromate and magnesium sulfate oxidation solution by potentiometric method

Professional Standard - Commodity Inspection

SN/T 3927-2014 Determination of sodium thiocyanate in dairy products for export
SN/T 4376-2015 Copper and copper alloy scraps―Determination of copper content―Titration method of sodium hyposulfite

Professional Standard - Light Industry

QB 1035.4-1991 Determination of food additive sodium tripolyphosphate sulfate content
QB/T 1035.4-1991 Food Additive - Determination of Sulfate Content in Sodium Tripolyphosphate

Professional Standard - Non-ferrous Metal

YS/T 807.12-2012 Chemical Analysis Methods of Aluminum Hardeners - Part 12: Determination of Copper Content - Sulfur and Sodium Titration Method
YS/T 539.5-2024 Methods for chemical analysis of nickel base alloy powder—Part 5：Determination of copper content—Thiosulfate iodimetry
YS/T 539.9-2006 Nickel base alloy powder -- Determination of copper content -- Thiosulfate-iodimetric method
YS/T 226.15-1994 Determination of selenium content in selenium--Thiosulfate volumetric method
YS/T 252.4-2007 Methods for chemical analysis of nickel matte-Determination of cobalt content-Sodium thiosulphate titrimetric method
YS/T 226.12-2009 Methods for chemical analysis of selenium - Part 12: Determination of selenium content - Sodium thiosulphate titrimetric method
YS/T 716.1-2009 Methods for chemical analysis of low grade blister—Part 1:The determination of copper content—Sodium hyposulfite titration
YS/T 535.5-2009 Chemical analysis methods of sodium fluoride - Part 5: Determination of soluble sulphates content - Turbidimetric method

Professional Standard - Chemical Industry

HG/T 6107～6110-2022 Determination methods of sodium ions, chloride ion content, chemical oxygen demand (COD) and calcium and magnesium ions in waste sulfuric acid (2022)
HG/T 2964-1984 Sodium hydrosulphide for industrial use-Determination of the content of sodium hydrosulphide ane sulphide
HG/T 6108-2022 Determination of chlorine ion content in waste sulphuric acid
HG/T 6107-2022 Determination of sodium ion in waste sulphuric acid

Taiwan Provincial Standard of the People's Republic of China

CNS 8046-1981 Method for Determination of Copper in Iron Ores (Sodium Thiosulfate Titration Method)
CNS 8043-1981 Method for Determination of Copper in Ores (Sodium Thiosulfate Titration Method)

Shandong Provincial Standard of the People's Republic of China

DB37/T 377-2003 Determination method of sulfate content in peracetic acid solution

International Organization for Standardization (ISO)

ISO 5142:1977 Sodium sulphate for industrial use; Determination of sodium sulphate content; Gravimetric method
ISO 743:1976 Sodium carbonate for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 3237:1975 Sodium sulphate for industrial use; Determination of sulphates content; Calculation method and barium sulphate gravimetric method
ISO 982:1976 Sodium hydroxide for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
ISO 2480:1972 Sodium chloride for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 3200:1975 Sodium and potassium silicates for industrial use; Determination of sulphates content; Barium sulphate gravimetric method
ISO 3236:1975 Sodium sulphate for industrial use — Determination of chlorides content — Mercurimetric method
ISO 2486:1973 Potassium sulphate for industrial use — Determination of potassium content — Sodium tetraphenylborate volumetric method
ISO 5143:1977 Sodium carbonate for industrial use; Determination of sulphur compounds content; Method by reduction and titrimetry
ISO 3239:1975 Sodium sulphate for industrial use; Determination of iron content; 1,10- Phenanthroline photometric method
ISO 2198:1972 Sodium hydrogen carbonate for industrial use; Determination of sodium carbonate; Titrimetric method
ISO 3238:1975 Sodium sulphate for industrial use; Determination of calcium content; EDTA complexometric method
ISO 5994:1979 Sodium sulphate for industrial use; Determination of calcium content; Flame atomic absorption spectrometric method
ISO 5442:1980/Cor 1:1982 Determination of sulfur compounds in industrial sodium hexafluorosilicate by iodine titration
ISO 2487:1973 Potassium sulphate for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 5442:1980 Sodium hexafluorosilicate for industrial use; Determination of sulphur compounds content; Iodometric method after reduction
ISO 741:1976 Sodium carbonate for industrial use; Determination of sodium hydrogen carbonate content; Titrimetric method
ISO 2199:1972 Sodium hydrogen carbonate for industrial use; Determination of sodium hydrogen carbonate content; Titrimetric method
ISO 906:1976 Hydrochloric acid for industrial use; Determination of sulphate content; Barium sulphate gravimetric method

Association Francaise de Normalisation

NF T20-459:1980 Sodium sulphate for industrial use. Determination of sodium sulphate content. Gravimetric method.
NF T20-417:1975 Sodium carbonate for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF T20-454:1976 Sodium sulphate for industrial use. Determination of sulphate content. Calculation method and barium sulphate gravimetric method.
NF T20-405:1982 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF T20-429:1976 Sodium hydroxyde for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF T20-527:1980 Sodium and potassium silicates for industrial use. Determination of sulphates content. Barium sulphate gravimetric method.
NF Q50-005:1967 PULPS FOR PAPER. QUANTITY DETERMINATION OF SODIUM THIOSULPHATE IN PULP LIQUORS FOR PAPERMAKING.
NF T20-453:1976 Sodium sulphate for industrial use. Determination of chlorides content. Mercurimetric method.
NF Q50-004:1966 PULPS FOR PAPER. QUANTITY DETERMINATION OF SODIUM SULPHIDE IN PULP LIQUORS FOR PAPERMAKING.
NF T20-455:1976 Sodium sulphate for industrial use. Determination of calcium content. Edta complexometric method.
NF T20-441:1976 Sodium hydrogen carbonate for industrial use. Determination of sodium carbonate content. Potentiometric method.
NF T20-415:1975 Sodium carbonate for industrial use. Determination of sodium hydrogen carbonate. Volumetric method.
NF T20-442:1976 Sodium hydrogen carbonate for industrial use. Determination of sodium carbonate content. Titrimetric method.
NF G52-218:1982 Chemical analysis of leather. Determination of sodium sulphate content.
NF T20-367:1978 Potassium sulphate for industrial or agricultural use. Determination of potassium content.sodium tetraphenylborate volumetric method.
NF T20-443:1976 Sodium hydrogen carbonate for industrial use. Determination of sodium hydrogen carbonate. Titrimetric method.
NF T20-364:1978 Potassium sulphate for industrial use. Determination of sulphate content.baryum sulphate gravimetric method.
NF T20-456:1976 Sodium sulphate for industrial use. Determination of iron content. 1,10 phenanthroline photometric method.
NF T20-460:1980 Sodium sulphate for industrial use. Determination of calcium content flame atomic absorption spectrometric method.

Belgian Standards Institute

NBN T 03-179-1980 Sodium sulphate for industrial use - Determination of sodium sulphate content - Gravimetrie method
NBN T 03-174-1980 Sodium sulphate for industrial use - Determination of sulphates content - Calculation method and barium sulphate gravimetric method
NBN T 03-162-1980 Sodium chloride for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-110-1979 Sodium carbonate for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-124-1980 Sodium hydroxide for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-175-1980 Sodium sulphate for industrial use - Determination of calcium content -EDTA complexometric method
NBN T 03-208-1980 Potassium sulphate for industrial use - Determination of potassium content - Sodium tetraphenylborate volumetric method
NBN T 03-176-1980 Sodium sulphate for industrial use - Determination of iron content -1,10-Phenanthroline photometric method
NBN T 03-108-1979 Sodium carbonate for industrial use - Determination of sodium hydrogen carbonate content - Titrimetric method
NBN T 03-114-1979 Sodium carbonate for industrial use - Determination of sulphur compounds content - Method by reduction and titrimetry
NBN T 03-209-1980 Potassium sulphate for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-142-1979 Sodium hydrogen carbonate for industrial use - Determination of sodium hydrogen carbonate content - Titrimetric method
NBN T 03-003-1979 Hydrochloric acid for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method

Czech Standards Institute (UNMZ)

CSN 65 2465-1981 Sodium Chloride (Salt) Methode of Sulfáte Content Determination
CSN 65 2085-1984 Sodium carbonate technical Gravimetric method of sulphate content determination
CSN 65 2059-1981 SODIUM HYDROXIDE TECHN1CAL Methods for DotiTinination of Sodium Sulphato
CSN 66 8102 Cast.15-1997 Smokeless powder. Test Methods. Determination of sodium sulfate and potassium sulfate
CSN 66 8102 Cast.15-1989 Smokeless powders. Methods of testing. Determination of sodium sulphate and potassium sulphate

Spanish Association for Standardization (UNE)

UNE 34233:1984 SODIUM CHLORIDE. DETERMINATION OF SULPHATE CONTENT. BARIUM SULPHATE GRAVIMETRIC METHOD.
AENOR UNE 55660:1982 Surface agents. Sodium sulfate used as raw material for detergent formulations. Determination of sodium sulfate content. Gravimetric method.
UNE 55-660-1982 Gravimetric determination of sodium sulfate content in detergent formulation raw materials
AENOR UNE 55661:1983 Surface agents. Sodium sulfate used as raw material for detergent formulations. Determination of sulfate content. Method by calculation and method by gravimetry to the state of barium sulfate.
UNE 55609:1981 SURFACE ACTIVE AGENTS. SODIUM HYDROXIDE FOR USE AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF SULPHATE CONTENT. BARIUM SULPHATE GRAVIMETRIC METHOD
UNE 55504-3:1981 SURFACE ACTIVE AGENTS. ANALYSIS OF TECHNICAL SODIUM SEC-ALKYLSULPHATES. DETERMINATION OF THE SODIUM SEC-ALKYLSULPHATES CONTENT
AENOR UNE 55512-8:1970 SURFACE AGENTS. ANALYSIS OF TECHNICAL SODIUM ALKYLARYL-SULPHONATES. DETERMINATION OF SODIUM SULFITE CONTENT.
UNE 33104:1974 TEST METHOD OF VINIC VINEGAR. DETERMINATION OF SULPHATE CONTENT.

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 2480:2008 Sodium chloride for industrial use - Determination of sulphate content - Barium sulphate gravimetric method
OS GSO 1240:2002 Methods of test for sulphur determination of carbonate content
OS GSO ISO 2199:2016 Sodium hydrogen carbonate for industrial use -- Determination of sodium hydrogen carbonate content -- Titrimetric method

GCC Standardization Organization

BH GSO ISO 2480:2024 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 2199:2016 Sodium hydrogen carbonate for industrial use -- Determination of sodium hydrogen carbonate content -- Titrimetric method

Korean Agency for Technology and Standards (KATS)

KS M ISO 2480:2017 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 2480-2017 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
KS M ISO 2480-2022 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS M ISO 2199:2002 Sodium hydrogen carbonate for industrial use-Determination of sodium hydrogen carbonate content-Titrimetric method
KS M ISO 2199-2022 Sodium hydrogen carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method
KS M ISO 2199-2017 Sodium hydrogen carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method
KS M ISO 3431-2018(2023) Sodium fluoride primarily used for the production of aluminium — Determination of soluble sulphates content — Turbidimetric method
KS M ISO 2199:2017 Sodium hydrogen carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method
KS M ISO 2199-2017(2022) Sodium hydrogen carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method

Türk Standardları Enstitüsü

TS 757-1969 SODIUM CARBONATE FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT BARIUM SULPHATE GRAVIMERTIC METHOD
TS 2226-1976 SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE DETERMINATION OF SULPHATES CONTENT BARIUM SULPHATE GRAVIMETRIC METHOD
TS 993-1971 SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT (BARIUM SULPHATE GRAVIMETRIC METHOD

Ente Nazionale Italiano di Unificazione

UNI 6022:1967 Sodium carbonate for industrial use. Determination of solphate content. Gravimetric method.
UNI ISO 6058:2009 Water quality - Determination of calcium content - EDTA titrimetric method

Standards Norway

NS 9045:1981 Sodium hydroxide for industrial use — Determinatio of sulphate content — Barium sulphate gravimetric method

National Standardisation Body (ASRO)

STAS SR ISO 2480:1995 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method
STAS 8934/12-1979 SALT (SODIUM CHLORIDE) Determination of suphate ions content
STAS 2221/3-1981 ANHYDROUS SODIUM SULFITE Checking methods
STAS SR 13371-1997 Sodium chloride. Determination of total iodine. Titrimetric Method with sodium thiosulfate
SR 2567-3-1997 Soft drinks - Methods of analysis - Determination of sodium benzoate content

Yugoslav Association for Standardization

JUS H.G8.421-1990 Reagents. Sodlum sulphite, anhydrous and sodium sulphite heptahydrate. Determinatlcm of substances insoluble in nater. Gravimstric ttethod
JUS H.G8.080-1983 Reagents. Sodium chloride. Determination of sulphate content. Turbidimetric method
JUS H.G8.414-1991 Pure chemicals Sodium hydroxide DETERMINATION OF SULFATE CONTENT Turbidimetric method
JUS H.G8.376-1989 Reagents. Sodium acetate trihvdrate and sodlum acetate anhydrous. Determination of sulphates content. Turbidimetric method
JUS H.G8.426-1990 Reaqents. Sodiuin sulphite, anhvdrous, and sodium sulphite heptahydrate. Determination of lead, copper and calcium contents. Flame atomic absorption method
JUS H.B8.721-1981 Copper sulphate. Titrimetric determination of copper sulphate content
JUS H.G8.461-1991 Reagents. Potassium sulpbate. Determinatlon of sodium conteat. Fleaae emlssiem spectrophotometric metbod
JUS H.G8.139-1985 Peagents. Ammonium sulphate. Determination of ammonium sulphatecontent Volumetric method
JUS H.G8.452-1991 Reagents. Potassium sulpbate. Determination of potassium sulphate content. Volumetric method
JUS H.G8.463-1991 Reagent.Nickel(II) sulphate x-hydrate.Determination of nickel content.EDTA (disodium salt) complexometric method
JUS H.B8.017-1981 Sutphuric acid and oleum for industrial use. Determination of lead content. Dithizone photometric method

British Standards Institution (BSI)

BS 6070-5:1981 Methods of sampling and test for sodium carbonate for industrial use. Determination of sulphate content
BS 5705-7:1981 Methods of test for sodium hexafluorosilicate for industrial use-Determination of sulphate content
BS 7319-4:1990 Analysis of sodium chloride for industrial use. Method for determination of sulphate content
BS 6075-8:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of sulphate content
BS 6092-8:1981 Methods of sampling and test for sodium and potassium silicates for industrial use - Determination of sulphate content
BS 4386:1969 Method for determination of mercaptan sulphur content of light hydrocarbon products (silver nitrate method)
BS 5072-7:1980 Methods of test for Sodium fluoride for industrial use - Part 7: Determination of soluble sulphates content
BS 5659-8:1989 Methods of test for acid-grade fluorspar-Determination of barium sulphate content
BS 7164-26-26.2:1990 Chemical tests for raw and vulcanized rubber. Methods for determination of manganese content-Sodium periodate photometric methods
BS 812-118:1988 Testing aggregates. Methods for determination of sulphate content
BS 4427-3:1969 Methods of test for sodium tripolyphosphate ($7Ipenta$7Rsodium triphosphate) and sodium pyrophosphate ($7Itetra$7Rsodium pyrophosphate).-Determination of iron content
BS 4267-9:1987 Ammonium nitrate - Method for determination of sulphate content
BS 6782-7:1995 Binders for paints-Method for determination of free-formaldehyde content of amino resins (sodium sulfite titrimetric method)
BS 4427-9:1975 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Determination of fluorine content
BS PD ISO/TS 4689-1:2023 Iron ores. Determination of sulfur content-Barium sulfate gravimetric method
PD ISO/TS 4689-1:2023 Iron ores. Determination of sulfur content. Barium sulfate gravimetric method
BS 4267-9:1987(1999) Ammonium nitrate — Part 9 : Method for determination of sulphate content

Polski Komitet Normalizacyjny (PKN)

PN C84002-11-1988 Sodium hydroxide technical Determination of sodium sulphate content

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

TCVN 3799-1983 Sodium hydroxide technical.Method of test for sodium sulfate content
TCVN 4250-1986 Natural gases.Method for the determination of hydrogen sulphite and mercaptane content

Lithuanian Standards Office

LST ISO 2480:2003 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method (idt ISO 2480:1972)

Magyar Szabványügyi Testület

MSZ KGST 1879-1979 Determination of sulfate content of industrial sodium hydroxide

Japanese Industrial Standards Committee (JISC)

JIS K 1200-4:2000 Sodium hydroxide for industrial use -- Part 4: Determination of sodium sulfate content
JIS K 1200-4:2024 Sodium hydroxide for industrial use-Part 4: Determination of sodium sulfate content

Cuban Institute of Standards and Metrology

NC 23-05-1968 Technical sulphuric acid. Photometric determinat?on of iron content.

Gosstandart of Russia

GOST 34780-2021 Iodized edible salt. Methods for determination of iodine and sodium thiosulfate
GOST 31940-2012 Drinking water. Methods for determination of sulfate content
GOST R 52964-2008 Drinking water. Methods for determination of sulphate content
GOST 31940-2013 Drinking water. Methods for determining sulfate content
GOST 29336-2023 Ammonium sulfate technical. Determination of mass fraction of free sulfuric acid by titrimetric method
GOST 22567.9-1987 Synthetic detergents. Method for determination of sodium carbonate or sodium bicarbonate mass percentage
GOST R 51575-2000 Food common salt with content of iodine. Methods for determination of iodine and sodium thiosulphate

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 2199:2017 Sodium hydrogen carbonate for industrial use -- Determination of sodium hydrogen carbonate content -- Titrimetric method

Indonesia Standards

SNI 06-3971-1995 Test methods for sulphite content by spectrophotometer apparatus

Quality and Standards Authority of Ethiopia (QSAE)

ES 390-2000 Determination of sulfate content of edible salt - barium sulfate gravimetric method

Bureau of Indian Standards

IS 7044-1973 Determination method of sodium chlorite content in textile materials

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