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trace sulfuric acid content

trace sulfuric acid content, Total:499 items.

In the international standard classification, trace sulfuric acid content involves: Inorganic chemicals, Non-metalliferous minerals, Iron and steel products, Ferroalloys, Metalliferous minerals, Products of the chemical industry, Construction materials, Fertilizers, Water quality, Pulps, Adhesives, MINING AND MINERALS, Organic chemicals, Protection against fire, Ceramics, Rubber, Analytical chemistry, Meat, meat products and other animal produce, Fuels, Medical equipment, Testing of metals, Non-ferrous metals, Petroleum products in general, Beverages, Natural gas, Leather technology, Switchgear and controlgear, Surface treatment and coating, Microbiology, Sugar. Sugar products. Starch, Soil quality. Pedology, Semiconducting materials, Coals, Paper and board, Farming and forestry, Ferrous metals, Spices and condiments. Food additives.

International Organization for Standardization (ISO), trace sulfuric acid content

ISO 2487:1973 Potassium sulphate for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 906:1976 Hydrochloric acid for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
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 3423:1975 Sulphuric acid and oleums for industrial use; Determination of sulphur dioxide content; Iodometric method
ISO 993:1976 Potassium hydroxide for industrial use — Determination of sulphate content — 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 21400:2018 Pulp — Determination of cellulose nanocrystal sulfur and sulfate half-ester content
ISO/TS 4689-1:2023 Iron ores — Determination of sulfur content — Part 1: Barium sulfate gravimetric method
ISO 4689:1986 Iron ores; Determination of sulfur content; Barium sulfate gravimetric method
ISO 4284:1978 Acid-grade fluorspar — Determination of sulphide content — Iodometric method
ISO 2486:1973 Potassium sulphate for industrial use — Determination of potassium content — Sodium tetraphenylborate volumetric method
ISO 5437:1992 Acid-grade and ceramic-grade fluorspar; determination of barium sulfate content; gravimetric method
ISO 2717:1973 Sulphuric acid and oleum for industrial use; Determination of lead content; Dithizone photometric method
ISO 3236:1975 Sodium sulphate for industrial use — Determination of chlorides content — Mercurimetric method
ISO 2488:1973 Potassium sulphate for industrial use; Determination of chloride content; Mercurimetric method
ISO 548:1981 Manganese ores; Determination of barium oxide content; Barium sulphate gravimetric method
ISO 2485:1973 Potassium sulphate for industrial use; Determination of potassium content; Gravimetric method as potassium tetraphenylborate
ISO 5437:1988 Acid-grade and ceramic-grade fluorspar — Determination of barium sulfate content — Gravimetric method
ISO 320:1975 Title missing - Legacy paper document
ISO 320:1981 Manganese ores; Determination of sulphur content; Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion
ISO 10084:1992 Solid fertilizers; determination of mineral-acid-soluble sulfate content; gravimetric method
ISO 4280:1977 Cryolite, natural and artificial, and aluminium fluoride for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 2899:1974 Sulphuric acid and oleums for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 914:1977 Sulphuric acid and oleum for industrial use; Determination of total nitrogen content; Titrimetric method after distillation
ISO 2997:1974 Phosphoric acid for industrial use; Determination of sulphate content; Method by reduction and titrimetry
ISO 4284:1993 Acid-grade and ceramic-grade fluorspar; determination of sulfide content; iodometric method
ISO 4284:1988 Acid-grade and ceramic-grade fluorspar — Determination of sulfide content — Iodometric method
ISO/R 915:1968 Sulphuric acid and oleum for industrial use — Determination of iron content — 2,2'- Bipyridyl spectrophotometric method
ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter
ISO 910:1977 Sulphuric acid and oleum for industrial use; Determination of total acidity, and calculation of free sulphur trioxide content of oleum; Titrimetric method
ISO 3328:1975 Nitric acid for industrial use; Determination of sulphate content; Method by reduction and titrimetry
ISO 16591:2010 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method
ISO 5792:1978 Sulphuric acid for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method
ISO 5786:1978 Ammonium sulphate for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method
ISO 3333:1975 Ammonium sulphate for industrial use; Determination of copper content; Zinc dibenzyldithiocarbamate photometric method
ISO 16960:2014 Natural gas - Determination of sulfur compounds - Determination of total sulfur by oxidative microcoulometry method
ISO 5504:1992 Oilseed residues; determination of total isothiocyanate content and vinylthiooxazolidone content
ISO 9198:2001 Paper, board and pulp - Determination of water-soluble sulfates
ISO 13545:2000 Lead sulfide concentrates - Determination of lead content - EDTA titration method after acid digestion
ISO/CD 4941:2023 Steel and iron — Determination of molybdenum content — Thiocyanate spectrophotometric method
ISO/DIS 4941:2023 Steel and iron — Determination of molybdenum content — Thiocyanate spectrophotometric method
ISO 5442:1980 Sodium hexafluorosilicate for industrial use; Determination of sulphur compounds content; Iodometric method after reduction
ISO 11441:1995 Lead sulfide concentrates - Determination of lead content - Back titration of EDTA after precipitation of lead sulfate
ISO 8799:1988 Surface active agents; Sulfated ethoxylated alcohols and alkylphenols; determination of content of unsulfated matter

Association Francaise de Normalisation, trace sulfuric acid content

NF T20-364:1978 Potassium sulphate for industrial use. Determination of sulphate content.baryum sulphate gravimetric method.
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 T20-527:1980 Sodium and potassium silicates for industrial use. Determination of sulphates content. Barium sulphate gravimetric method.
NF T20-405:1982 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF U42-771:1986 Fertilizers. Determination of the sulfuric anhydrique content total and soluble.
NF T20-429:1976 Sodium hydroxyde for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF T20-382:1977 Potassium hydroxide for industrial use. Determination of sulphate content. Baryum sulphate gravimetric method.
NF A20-406*NF ISO 4689:1987 Iron ores. Determination of sulphur content. Barium sulfate gravimetric method.
NF Q50-005:1967 PULPS FOR PAPER. QUANTITY DETERMINATION OF SODIUM THIOSULPHATE IN PULP LIQUORS FOR PAPERMAKING.
NF T90-009:1986 Testing water - Determination of sulphate ions - Gravimetric method.
NF EN ISO 16960:2014 Gaz naturel - Détermination des composés soufrés - Détermination de la teneur totale en soufre par microcoulométrie oxydante
NF M07-009*NF EN ISO 16591:2012 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method.
NF V76-109*NF EN 1142:1994 Fruit and vegetable juices. Determination of the sulfate content.
NF Q50-004:1966 PULPS FOR PAPER. QUANTITY DETERMINATION OF SODIUM SULPHIDE IN PULP LIQUORS FOR PAPERMAKING.
NF T73-242:1995 Surface active agents. Sulfated ethoxylated alcohols and alkylphenols. Determination of content of unsulfated matter.
NF T20-255:1968 Chemical analysis of hydrochloric, nitric and sulphuric acids. Test of heavy metals content.
NF T20-263:1969 Chemical analysis of hydrochloric and nitric acids. Turbidimetric determination of sulphates.
NF U42-178*NF EN 15960:2012 Fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
NF T20-366:1978 Potassium sulphate for industrial or agricultural use. Determination of potassium content.gravimetric method as potassium tetraphenylborate.
NF T73-242*NF EN ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter.
NF EN ISO 8799:2009 Agents de surface - Sulfates d'alcools et d'alkylphénols éthoxylés - Détermination de la teneur en matière insulfatée
NF T20-367:1978 Potassium sulphate for industrial or agricultural use. Determination of potassium content.sodium tetraphenylborate volumetric method.
NF G52-218:1982 Chemical analysis of leather. Determination of sodium sulphate content.
NF EN 1185:1995 Amidons, fécules et produits dérivés - Détermination de la teneur en dioxyde de soufre - Dosage acidimétrique.
NF T20-287:1982 Nitric acid for industrial use. Determination of sulphate content. Method by reduction and titrimetry.
NF X20-514*NF EN ISO 16960:2014 Natural gas - Determination of sulfur compounds - Determination of total sulfur by oxidative microcoulometry method
NF T20-298:1982 Sulphuric acid for industrial use. Determination of arsenic content. Silver diethyldithiocarbamate photometric method.
NF V32-054:1971 Spices and condiments. Mustard seeds. Determination of parahydroxybenzyl isothiolyanate.

PT-IPQ, trace sulfuric acid content

NP 324-1963
NP 1263-1976
NP 1233-1976
NP 1184-1976
NP 2106-1984
NP 1227-1976
NP 1351-1976
NP 1302-1976
NP 2227-1988 Alcoholic beverages and spirits Determination of sulphates content
E 171-1965
NP 1311-1976
NP 1312-1976
NP 1274-1976
NP 3611-1989 Pulps Determination of 72% sulphuric acid insoluble matter
NP 1276-1976
NP 140-1958

ET-QSAE, trace sulfuric acid content

AENOR, trace sulfuric acid content

UNE 34233:1984 SODIUM CHLORIDE. DETERMINATION OF SULPHATE CONTENT. BARIUM SULPHATE GRAVIMETRIC METHOD.
UNE 22138:1990 IRON ORES. DETERMINATION OF SULFUR CONTENT. BARIUM SULFATE GRAVIMETRIC METHOD
UNE 34194:1984 SUGARS. DETERMINATION OF SULPHURIC ASH CONTENT.
UNE 103201:1996 QUANTITATIVE ANALYSIS OF SOLUBLE SULPHATE CONTENT OF A SOIL.
UNE 37217:1980 LEAD OXYDES. DETERMINATION OF TOTAL LEAD CONTENT BY THE SULPHATE METHOD.
UNE 55590:1981 SURFACE ACTIVE AGENTS. SULPHURIC ACID AND OLEUMS FOR USE AS RAW-MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF SULPHUR DIOXIDE CONTENT. IODOMETRIC METHOD
UNE 33104:1974 TEST METHOD OF VINIC VINEGAR. DETERMINATION OF SULPHATE CONTENT.
UNE 103202:1995 QUALITATIVE DETERMINATION OF SOLUBLES SULPHATES CONTENT IN A SOIL.
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 33129:1982 TEST METHODS OF VINIC VINEGARS. DETERMINATION OF TOTAL SULPHUROUS ANHYDRIDE CONTENT.
UNE-EN 15749:2010 Fertilizers - Determination of sulfates content using three different methods

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, trace sulfuric acid content

GB 4581.4-1984 Alunite ores--Determination of sulphur content for sulphate--Barium sulphate gravimetric method
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 6730.16-2016(英文版) Iron ores—Determination of sulfur content—Barium sulfate gravimetric method
GB/T 11198.12-1989 Sulphyric acid for industrial use--Determination of sulpur dioxide content--Iodometric method
GB 9018.3-1988 Celestite ores--Determination of sulphate content--Barium sulphate gravimetric method
GB/T 2463-2008 Pyrites and concentrate.Determination of total iron content.Cerium sulfate volumetric and potassium dichromate volumetric methods
GB/T 32784-2016 Pig iron contenting nickel.Determination of chromium content.Ammonium per sulfate-ammonium ferrous sulfate titration method
GB/T 11213.5-1989 Sodium hydroxide for chemical fiber use--Determination of sulphate mass fraction--Barium sulphate gravimetric method
GB/T 4701.2-2009 Ferrotitanium-Determination of silicon content-The sulphuric acid dehydration gravimetric method
GB/T 8704.6-2007 Ferrovanadium- Determination of silicon content The sulphuric acid dehydration gravimetric method
GB/T 13530.2-1992 Sodium ethoxylated alkyl sulfate--Determination of unsulfated matter content
GB/T 3514-1992 Rubber,Vulcanized-dtermination of free sulphur content Sodium sulphite method
GB/T 11198.7-1989 Sulphuric acid for industrial use--Determination of lead content--Dithizone photometric method
GB/T 11198.9-1989 Sulphuric acid for industrial use--Determination of mercury content--Dithizone photometric method
GB/T 505-1965 Determination of mercaptan-sulfur in engine fuels(ammonia-copper sulfate method)
GB/T 2463.1-1996 Pyrites and concentrate--Determination of total iron content--Part 1: Cerium sulfate volumetric method
GB/T 15817-1995 Determination of mineral sulfate content in detergents--Gravimetric method
GB/T 11198.6-1989 Sulphuric acid for industrial use--Determination of arsenic content--Gutzeit method
GB/T 21994.8-2008 Chemical analysis of magnesium fluoride.Part 8:Determination of sulphate content.Barium sulphate gravimetric method
GB/T 22660.8-2008 Chemical analysis methods of lithium fluoride.Part8:Determination of sulphate content.Barium sulphate gravimetric method
GB/T 21932-2008 Nickel and ferronickel.Determination of sulphur content.Barium sulfate gravimetric method after alumina chromatographic separation
GB/T 15057.8-1994 Limestone for chemical industry- Determination of sulfur content- Gravimetric and combustion-iodate titrimetric methods
GB/T 12684.3-1990 Boric acid for industrial use--Determination of sulphate content by reduction and titrimetry
GB/T 12684.4-1990 Boric acid for industrial use--Determination of sulphate content by visual turbidimetry
GB 12684.4-1990 Determination of Industrial Boric Acid Sulfate Content Visual Turbidimetry
GB/T 3208-1982 Micro-coulomb method for determining the total sulfur content of benzene-type products
GB/T 3208-2009 Standard test method for the total tulfur tontent in tenzene.Type products by oxidative microcoulometry
GB/T 23835.7-2009 Lithium perchlorate anhydrous.Part 7:Determination of sulfate content
GB/T 4701.1-2009 Ferrotitanium-Determination of titanium content-The ammonium ferric sulfate titration method
GB/T 11213.5-2006 Sodium hydroxide for chemical fiber use.Determination of sulphate content
GB/T 11198.13-1989 Sulphuric acid for industrial use--Determination of chlorine content--Potentiometric method
GB/T 11198.5-1989 Sulphuric acid for industrial use--Determination of arsenic content--Silver diethyldithiocarbamate photometric method
GB/T 11060.4-2010(英文版) Natural gas—Determination of sulfur compound—Part 4: Determination of total sulfur content by oxidative microcoulometry method
GB/T 11060.4-2010(俄语版) Part 4: Determination of point sulfur content by oxidative microcoulometry
GB/T 6730.23-2006 Iron ores Determination of titanium content the ferric ammonium sulfate titrimetric mehtod
GB/T 6276.4-1986 Ammonium hydrogen carbonate for industrial use--Determination sulphate content--Visible turbidimetric method
GB/T 11060.4-2010 Natural gas-Determination of sulfur compound-Part 4:Determination of total sulfur content by oxidative microcoulometry method
GB/T 4702.1-2016 Chromium metal.Determination of chromium content.The ammonium ferrous sulfate titrimetric method
GB/T 6730.32-2013 Iron ores.Determination of vanadium content.The ammonium ferrous sulfate titrimetric method
GB/T 23834.1-2009 Chemical analysis method for stannous sulfate.Part 1:Determination of stannous sulfate content.Volumetric method of potassium dichromate

Professional Standard - Chemical Industry, trace sulfuric acid content

HG/T 2957.4-1984(1997) Alunite ores-Determination of sulphur content for sulphate-Barium sulphate gravimetric method
HG/T 2957.4-2004 Determination of sulfate sulfur content in alunite ore barium sulfate gravimetric method
HG/T 2958.3-1988 Celestite ores-Determination of sulphate content-Barium sulphate gravimetric method
HG/T 3614-1999 Standard Test Method for Sulfonic and Sulfuric Acids in Alkylbenzene Sulfonic Acids

CZ-CSN, trace sulfuric acid content

CSN 65 1073-1982 Determination of sulphates content
CSN ISO 4689:1993 Iron ores. Determination of sulfur content. Barium sulfate gravimetric method
CSN 65 2085-1984 Sodium carbonate technical Gravimetric method of sulphate content determination
CSN 50 0389-1973 Determination of the total sulphate content of páper
CSN 66 8032-1969 Smokeless powder. Determlnation of sulphate content
CSN ISO 5437:1992 Acid-grade and ceramic-grade fluorspar - Determination of barium sulfate content - Gravimetric method
CSN 65 2465-1981 Sodium Chloride (Salt) Methode of Sulfáte Content Determination
CSN 44 1688-1988 Chemical analysis of tetrahedrite. Determination of barium sulfate
CSN 66 1239-1983 Determination of sulphur
CSN 42 0680 Cast.8-1986 Chemical analysis of non-ferrous metals and alloys. Tin. Determination of sulphur by the iodometric method
CSN 65 4843-1983 Fertilizers with microelements. Testing of manganese content

YU-JUS, trace sulfuric acid content

JUS H.B8.722-1981 Copper sulphate. Determination of iron content
JUS H.B8.721-1981 Copper sulphate. Titrimetric determination of copper sulphate content
JUS H.B8.640-1981 Sulphuric acid and oleum for industrial use. Determination of sulphur dioxide content lodometric method
JUS H.G8.452-1991 Reagents. Potassium sulpbate. Determination of potassium sulphate content. Volumetric method
JUS H.B8.429-1983 Acid-grade fluorspar. Determination of barium sulphate content. Gravimetric method
JUS H.G8.139-1985 Peagents. Ammonium sulphate. Determination of ammonium sulphatecontent Volumetric method
JUS H.B8.724-1981 Copper sulphate. Determination of free water
JUS H.P8.034-1992 Potassium metabisulphite,as pesticide - Determination of potassium sulphate content - Gravimetric method
JUS H.G8.017-1980 Reagents. Hydrochloric acid. Determination ofnilphites oontent. Iodimetric method
JUS H.B8.643-1981 Sulphuric acid for industrial use. Determination of copper content. Polarographic method
JUS H.B8.642-1981 Sulphuric acid and oleum for industrial use. Determination of lead content. Polarographic method
JUS H.B8.017-1981 Sutphuric acid and oleum for industrial use. Determination of lead content. Dithizone photometric method
JUS H.G8.069-1983 Reagents. Bori? acid. Determination of sulphate content. Turbidimetric method
JUS H.B8.428-1983 Acid-grade fluorspar. Determination of sulphide content. iodometric method
JUS H.B8.127-1980 Cryolite, natural and artificial. Determination ofsulphates content. Barium sulphate gravimetric method
JUS H.G8.396-1989 Reagents. Nitric acid. Determination of sulphates content. Turbidimetric method
JUS H.G8.030-1981 Reagents. Sulphuric acid. Determination of nitrate content. Colorimetric method
JUS H.G8.014-1980 Reagents. Hydrochloric acid. Determination of sulphates oontent Turbidimetric method
JUS H.G8.502-1991 Reagents. Formic acid. Determination of sulphates content. Turbidimetric method
JUS H.G8.503-1991 Reagents. Formic acid. Determination of sulphites content. Volumetric method
JUS H.G8.332-1987 Reagents. Ammonium acetate. Determination of sulphates content. Turbidimetric method
JUS H.G8.143-1985 Reagents. Ammonium sulphate. Determination of nitrate content Colorimetric method
JUS H.G8.474-1991 Reagents. Orthophosphoric acid. Determination of sulphates content. Turbidimetric method
JUS H.G8.324-1988 Reagbnts. (+)-Tartaric acid. Detemination of sulphates content. Turbidlmetric method
JUS H.G8.033-1981 Reagents. Sulphuric acid. Determination of arsenic content Silver diethyldithiocarbamate photometric method
JUS H.B8.764-1982 Analysis of pesticides. Determination of sulphated ash content
JUS H.B8.632-1981 Sulphuric acid for industrial use. Determination of manganese content Photometric method
JUS H.G8.031-1981 Reagents. Sulphuric acid. Determination of ammonium content. Colorimetric method
JUS H.B8.631-1981 Sulphuric acid and oleum for industri/al use. Determination of chlorides content. Potentiometric method
JUS H.B8.018-1981 Sulphuric acid and oleum for industrial use. Determination of lead content. Flame atomic absorption method
JUS H.B8.634-1981 Sulphuric acid for industrial use. Determination of copper content. 2,2'—biquinolylphotometric method
JUS H.B8.635-1981 Sulphuric acid for industrial use. Determination of copper content. Flame atomic absorption method
JUS H.G8.425-1990 Reaaents. Sodiuin sulphite, anhvdrous and sodium sulphite heptahydrate. Determination of iron content. Colorimetric method
JUS H.G8.488-1991 Reagents. Potassium permanganate. Determination of sulphates content. Turbidimetric method
JUS H.G8.274-1987 Reagents. Iron(ll) sulphate heptahydrate. Determination of iron(ll) sulphate heptahydrate content. Vo- lumetric method
JUS H.G8.457-1991 Reagents. Potassium sulpbate. Determination of total nltrogen content. Colorlmetrlc metho?
JUS H.G8.462-1991 Reagents.Potassium sulphate.Determination of arsenic content.Silver diethyldithiocarbamate spectrophotometric method
JUS H.G8.367-1989 Reagents. Nickel(II) chloride hexahydrate. Determination of sulohates content- Turbldimetric method
JUS H.G8.297-1987 Reagents. Oxalic acid dihydratt Determination of sulphate content. Turbidimetric method
JUS H.G8.144-1985 Reagents. Ammonium sulphate. Determination of phosphate content. Spectrophotometric method
JUS H.G8.115-1984 Reagents. Gtric acid monohydrate. Determination odsulphate content. Turbidimetric method
JUS H.B8.639-1981 Oleum far industrial use Determination otsuspendedsubstancescontent Gravimetric method
JUS H.G8.140-1985 Reagents. Ammonium sulphate. Determination of substancesinsoluble jn water. Gravimetric method
JUS H.P8.043-1992 Copper oxvchloride, as pesticide. Determination of sulphate content. Gravimetric method
JUS H.G8.080-1983 Reagents. Sodium chloride. Determination of sulphate content. Turbidimetric method
JUS H.G8.029-1981 Reagents. Sulphuric acid. Determination of chloride content. Turbidimetric method
JUS H.G8.186-1984 Reagents. di-Sodium tetraborate decahydrate. Determinationof sulphatecontent Turbidimetricmethod
JUS H.G8.455-1991 Reagents. Potassium sulphate. Determination od chloride content. Turbidim&tric metbod
JUS H.B8.019-1981 Sulphuric acid and oleum for industrial u se. Determination ofarsenic content Silver diethyldithiocarba- ma te photometric method
JUS H.B8.014-1981 Sulphuric acid and oleum for industrial use. Determination of iron content. 1,10-Phenantroline pho tometric method
JUS H.G8.148-1985 Reagents.Ammonium sulphate. Determination of arsenic content Silver diethyldlthiocarbamate photo- metric method
JUS H.G8.061-1983 Reagents. Copper sulphate pentahydrate. Determination of sulphate pentahydrate content. Volumetric method
JUS H.G8.421-1990 Reagents. Sodlum sulphite, anhydrous and sodium sulphite heptahydrate. Determinatlcm of substances insoluble in nater. Gravimstric ttethod
JUS H.G8.424-1990 Reaqents. Sodium sulphite, anhydrous and so?ium sulphite heptahvdrate. Determination of thiosulphate content. Colorimetric method
JUS H.G8.090-1983 Reagents. Calcium sulphate dihydrate. Determination of substances insoluble in hydrochloric acid. Gra- vimetric method
JUS H.G8.453-1991 Reagents. Potasslum sulphate. Determiuation of substancvs insoluble in watec. Gravimetric metho?
JUS H.Z1.163-1984 Testing of industrial vvaters. Determination od sulphate content. Gravimetric method with barium chlo- ride
JUS H.G8.386-1989 Reagents. Calciun nitrate tetrahydrate. Deterraination of suiphates content. Turbidinetric nethod
JUS H.G8.456-1991 Reageats. Potassium sulphats. Determination of pbospbate fc.d?ieot. Spectrophotometric metho?
JUS H.G8.094-1983 Reagents. Calcium sulphate dihydrate. Determination of nitrate content. Co/orimetric method
JUS C.T7.222-1984 Anodic oxidation of aluminium and aluminium alloys. Determination of content of free sulfuric acid and aluminium in the sulfuric acid bath
JUS H.G8.497-1991 Reagents. Ammonium iron (III) sulphate dodecahydrate. Determination of substances not precipitated by ammonia (as sulphates). Gravimetric method
JUS H.B8.725-1981 Copper sulphate (CuSOA . 5H20). Determination of water-insoluble material content
JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.448-1990 Reagents. Zine sulphate heptahydrate. Determination of iron content. Colorimetric method
JUS H.G8.342-1988 Reagents. Zine chloride. ?etermination of sulphates content. Turbldimetric mc?hod
JUS H.G8.056-1983 Reagents. Hydrogen peroxide. Determination of sulphate content. Turbidimetric method
JUS H.G8.126-1984 Reagents. Ammonia solution. Determination of sulphate content. Turbidimetric method
JUS H.G8.036-1981 Reagents. Sulphuric acid. Determination ofzinc content. Flame atomic absorption method
JUS H.G8.288-1987 Reagents. Copper(ll) oxide. Determination ofsulphate content. Turbidimetric method
JUS H.G8.035-1981 Reagents. Sulphuric acid. Determination of copper content. Flame atomic absorption method
JUS H.G8.039-1981 Reagents. Sulphuric acid. Determination of heavy metals content (as Pb). Colorimetric method
JUS H.G8.195-1985 Reagents. Ammonium chloride. Determination of sulphate content. Turbidimetric method
JUS H.G8.034-1981 Reagents. Sulphuric acid. Determination of lead content. Flame atomic absorption method
JUS H.G8.037-1981 Reagents. Sulphuric acid. Determination ofcadmium content. Flame atomic absorption method
JUS H.G8.032-1981 Reagents. Sulphuric acid. Determination ofiron content. 2,2-Bipyridylephotometric method
JUS H.G8.427-1990 Reaaents. Sodium sulphite, anhvdrous and sodium sulphite heptahv?rate. Determination of arsenic content. Silver diethyldithiocarbamate spectrophotometric method
JUS H.G8.423-1990 Reagents. So?ium sulphite, anhydrous and sodium sulphite heptahvdrate. Determination of chlorides content. Turbi?imetric method
JUS H.G8.095-1983 Reagmts, Cakium aulphate dihydrate. Determination of iron content. Colorimetric method
JUS B.H8.040-1997 Petroleum products - Lubricating greases - Determination of sulphate ash content
JUS H.G8.458-1991 Reagents. Potassium sulphate. Determination of beavy metals content (as Ph). Colorimetric method
JUS H.B8.633-1981 Sulphuric acid for industrial use. Determination of manganese content. Flame atomic absorption method
JUS H.G8.432-1990 Reaaents. Potassium iodide. Determination of sulphate content. Turbidinetric method
JUS H.B8.637-1981 Sulphuric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method
JUS H.G8.513-1991 Reagents. Potassium hydroxide. Determination of sulphates content. Turbidimetric method
JUS H.G8.450-1990 Reagents. Zine sulphate heptahydrate- Determination of arsenic content. Silver diethvldithiocarbamate speetrophotometric method
JUS H.G8.038-1981 Reagents. Sulphuric acid. Determination ofpermanganate reducing substances content. Volumetric met- hod
JUS H.B8.638-1981 Sulphuric acid for industrial use. Determination of pe mangan a te reducing substances content Vol u me trk method

工业和信息化部, trace sulfuric acid content

YB/T 6013.1-2022 Determination of sulfate and sulfite content in sintering flue gas desulfurization ash. Barium sulfate gravimetric method.
YB/T 4566.5-2016 Determination of vanadium ferrosilicon content by sulfuric acid dehydration gravimetric method
YS/T 575.26-2020 Methods of chemical analysis of bauxite ores Part 26: Determination of sulfate content Barium sulfate gravimetric method
HG/T 6072-2022 Determination of thiocyanate content in coking wastewater
HG/T 6108-2022 Determination method of chloride ion content in waste sulfuric acid
YB/T 4908.1-2021 Determination of vanadium content in vanadium-aluminum alloys Ammonium persulfate oxidation-ferrous ammonium sulfate titration method
YS/T 445.5-2019 Methods of chemical analysis of silver concentrates Part 5: Determination of sulfur content Barium sulfate gravimetric method and combustion-acid-base titration method
YB/T 4825-2020 Determination of ammonium thiocyanate content in coke oven gas desulfurization waste liquid by spectrophotometry

BE-NBN, trace sulfuric acid content

NBN I-992-1969
NBN T 03-025-1979 Sulphuric acid and oleum for industrial use - Determination of sulphur dioxide content - Iodometric method
NBN T 03-016-1979 Sulphuric acid and oleum for industrial use - Determination of total acidity, and calculation of free sulphure trioxide content of oleum - Titrimetric method
NBN B 11-254-1975
NBN T 03-209-1980 Potassium sulphate for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN I-880-1968
NBN I-915-1968
NBN T 03-003-1979 Hydrochloric acid for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 63-163-1988 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter
NBN T 03-110-1979 Sodium carbonate for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-162-1980 Sodium chloride for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-022-1979 Sulphuric acid and oleum for industrial use - Determination of lead content - Dithizone photometric method
NBN T 03-019-1979 Sulphuric acid and oleum for industrial use - Determination of total nitrogen content - Titrimetric method after distillation
NBN T 03-179-1980 Sodium sulphate for industrial use - Determination of sodium sulphate content - Gravimetrie method
NBN T 03-124-1980 Sodium hydroxide for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-023-1979 Sulphuric acid for industrial use - Determination of chlorides content - Potentiometric method
NBN T 03-174-1980 Sodium sulphate for industrial use - Determination of sulphates content - Calculation method and barium sulphate gravimetric method
NBN 438-1957
NBN T 03-024-1979 Sulphuric acid and oleum for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 03-544-1983 Acid-grade fluorspar - Determination of sulphide content-lodometric method
NBN T 03-207-1980 Potassium sulphate for industrial use - Determination of potassium content - Gravimetrie method as potassium tetraphenylborate
NBN T 03-211-1980 Potassium sulphate for ?ndustrial use - Determination of acidity to methyl orange
NBN I-881-1968
NBN B 12-204-1975
NBN T 03-026-1979 Sulphuric acid for industrial use - Determination of arsenic content -Silver diethyldithiocarbamate photometric method
NBN T 03-020-1979 Sulphuric acid and oleum for industrial use - Determination of iron content - 2,2'-Bipyridyl spectrophotometric method
NBN T 03-042-1979 Nitric acid for industrial use - Determination of sulphate content - Method by reduction and titrimetry
NBN T 03-263-1980 Phosphoric acid for industrial use - Determination of sulphate content - Method by reduction and titrimetry

PL-PKN, trace sulfuric acid content

PN H04108-1993 Iron ores. Determination of sulfur content. Barium sulfate gravimetric method
PN H04805-13-1991 Zinc powder Determination of sulfate content
PN C84002-11-1988 Sodium hydroxide technical Determination of sodium sulphate content
PN C84039-11-1988 Potassium hydroxide technical Determination of sulphates content
PN Z04056-01-1991 Air purity protection Tests for sulfuric acid and sulfur trioxide content General
PN P04781-04-1987 Textile dressing materials Determination of sulfates eon tent

Professional Standard - Ferrous Metallurgy, trace sulfuric acid content

YB/T 5040-2012 Molybdenum oxide.Determination of sulfur content.Gravimetric method of barium sulfate
YB/T 5332-2009 Determination of vanadium pentoxide sulfur content barium sulfate gravimetric method
YB/T 109.2-2012 Silicon barium alloy.Determination of barium content.The barium sulfate gravimetric method
YB/T 5041-2012 Molybdenum oxide.Determination of sulfur content.Combustion-potassium iodate volumetric method
YB/T 505.8-2007 Vanadium and titanium slag Determination of sulfur content-Gravimetric method
YB/T 178.2-2012 Silicon-aluminum alloy and silicon-barium-aluminum alloy.Determination of barium content.The barium sulfate gravimetric 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, trace sulfuric acid content

GB/T 6730.16-2016 Iron ores—Determination of sulfur content—Barium sulfate gravimetric method
GB/T 6730.29-2016 Iron ores—Determination of barium content—Barium sulfate grarimetric method
GB/T 11060.4-2017 Natural gas—Determination of sulfur compound—Part 4: Determination of total sulfur content by oxidative microcoulometry method

British Standards Institution (BSI), trace sulfuric acid content

PD ISO/TS 4689-1:2023 Iron ores. Determination of sulfur content. Barium sulfate gravimetric method
BS 4267-9:1987 Ammonium nitrate - Method for determination of sulphate content
BS 812-118:1988 Testing aggregates. Methods for determination of sulphate content
BS ISO 21400:2018 Pulp. Determination of cellulose nanocrystal sulfur and sulfate half-ester content
BS EN ISO 16591:2010 Petroleum products. Determination of sulfur content. Oxidative microcoulometry method
BS EN 1142:1995 Method for determination of sulfate content of fruit and vegetable juices
BS EN ISO 16591:2011 Petroleum products. Determination of sulfur content. Oxidative microcoulometry method
BS EN 14131:2003 Foodstuffs - Determination of folate by microbiological assay
BS EN ISO 16960:2014 Natural gas. Determination of sulfur compounds. Determination of total sulfur by oxidative microcoulometry method
BS ISO 9198:2001 Paper, board and pulp - Determination of water-soluble sulfates
BS 4258-3:1989 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of sulphate content
BS 6070-5:1981 Methods of sampling and test for sodium carbonate for industrial use. Determination of sulphate content

RO-ASRO, trace sulfuric acid content

STAS 4605/13-1972 NON-METAT, BEARING MIXIXG PRODUCTS WITH CARBONATE CONTENT DCtermination of sulphate ion and tolal sulphur
STAS SR ISO 2480:1995 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method
STAS 3069-1987 DRINKJNG WA.TEK Sulphates content determinalion
STAS SR 13303-6-1996 Chlorous mud-Determination of sulphur content-Barium sulphate gravimetric and sulphur dioxide titrimetric method after combustion
STAS 12873-1990 Cinematograph. Residual thiosulphate determination
STAS 11359/7-1980 NATIVE SULPHUR ORES AND CONCENTRATES Determination of sulphates content
SR ISO 320:1995 Manganese ores - Determination of sulphur content - Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combusteon
STAS SR ISO 10084:1995 Solid fertilizers - Determination of mineral - acid - soluble sulfate content - Gravimetric method
STAS 7661-1989 SURFACE WATERS AND WASTE WATERS Sulphites content determina tion
STAS 8934/12-1979 SALT (SODIUM CHLORIDE) Determination of suphate ions content
STAS 8125/7-1985 BARYTA HYDRATE Determination of barium carbonate, barium sulphate and total barium content
STAS 10837/4-1977 SELENIUM Determination of sulphur content
STAS 1706/6-1985 COPPER Determination of sulphur content
STAS 8718/5-1986 FERROSILICON Sulphur content determination

Korean Agency for Technology and Standards (KATS), trace sulfuric acid content

KS M ISO 3423:2010 Sulphuric acid and oleums for industrial use-Determination of sulphur dioxide content-Iodometric method
KS M ISO 3423:2015 Sulphuric acid and oleums for industrial use－Determination of sulphur dioxide content－Iodometric method
KS M ISO 3423-2015(2020) Sulphuric acid and oleums for industrial use－Determination of sulphur dioxide content－Iodometric method
KS M ISO 2480:2012 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 E ISO 4689:2007 Iron ores－Determination of sulfur content－Barium sulfate gravimetric method
KS M ISO 8799:2008 Surface active agents-Sulfated ethoxylated alcohols and alkylphenols-Determination of content of unsulfated matter
KS M ISO 8799:2014 Surface active agents — Sulfated ethoxylated alcohols and alkylphenols — Determination of content of unsulfated matter
KS M ISO 10084-2006(2011) Solid fertilizers－Determination of mineral-acid-soluble sulfate content－Gravimetric method
KS E ISO 548:2003 Manganese ores-Determination of barium oxide content-Barium sulphate gravimetric method
KS E ISO 320-2012(2022) Manganese ores－Determination of sulphur content－Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion
KS E ISO 320-2012(2017) Manganese ores－Determination of sulphur content－Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion
KS M ISO 2997-2017(2022) Phosphoric acid for industrial use－Determination of sulphate content－Method by reduction and titrimetry
KS M ISO 4280:2003 Cryolite, natural and artificial, and aluminium fluoride for industrial use－Determination of sulphate content－Barium sulphate gravimetric method
KS M ISO 910-2004(2019) Sulphuric acid and oleum for industrial use－Determination of total acidity, and calculation of free sulphur trioxide content of oleum－Titrimetric method
KS M ISO 16591:2012 Petroleum products-Determination of sulfur content- Oxidative microcoulometry method
KS M ISO 16591-2012(2022) Petroleum products－Determination of sulfur content－ Oxidative microcoulometry method
KS M ISO 16591-2012(2017) Petroleum products－Determination of sulfur content－ Oxidative microcoulometry method
KS M ISO 2997:2012 Phosphoric acid for industrial use－Determination of sulphate content－Method by reduction and titrimetry
KS M ISO 2997:2017 Phosphoric acid for industrial use－Determination of sulphate content－Method by reduction and titrimetry
KS E ISO 320:2012 Manganese ores-Determination of sulphur content-Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion
KS M ISO 910:2004 Sulphuric acid and oleum for industrial use-Determination of total acidity, and calculation of free sulphur trioxide content of oleum-Titrimetric method
KS M ISO 6844:2007 Surface N agents-Determination of mineral sulfate content-Titrimetric method
KS E ISO 157-2013(2018) Coal — Determination of forms of sulfur
KS M ISO 9198:2004 Paper, board and pulp－Determination of water-soluble sulfates

TR-TSE, trace sulfuric acid content

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 760-1969 PHOSPHORIC ACID FOR INDUSTRIAL USE DETERMINAT?ON OF SULPHATE CONTENT VO?.UMATRTC METHOD
TS 993-1971 SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT (BARIUM SULPHATE GRAVIMETRIC METHOD
TS 1933-1975 PHOSPHOR1C ACID FOR ?NDUSTRIAI. USE DETERMINATION OF SULPHATE CONTENT- METHOD BY REDUCTION AND TITRIMETRY
TS 2467-1976 NITRIC ACID FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT METHOD BY REDUCTION AND TITRIMETRY

ZA-SANS, trace sulfuric acid content

SANS 5850-2:2008 Sulfates content of fines in aggregates Part 2: Acid-soluble sulfates in fines in aggregates
SANS 6310:2005 Sulfate content of water (turbidimetric method)
SANS 5292:1987 Sulphates in solutions, detection
SANS 5622:1972 Determination of total sulphated ash content of leather
SANS 5620:1972 Determination of sulphated ash content of water-solubles in leather
SANS 5627:1972 Determination of magnesium sulphate content of leather by complexometric titration
SANS 6056:2007 Water - Sulfide content
SANS 5850-2:2002 Sulfates content of fines in aggregates Part 2: Acid-soluble sulfates in fines in aggregates

NL-NEN, trace sulfuric acid content

NEN 6487-1982 Water - Titrimetric determination of the sulphate content
NEN 6580-1985 Rain water - Photometric determination of sulphate content
NEN 6544-1990 Water for boiler plants Gravimetricdetermination of sulfate content
NEN 5930-1990 Aggregates for concrete - Determination of sulphate content

KR-KS, trace sulfuric acid content

KS M ISO 2480-2017 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS M ISO 4280-2003(2023)
KS M ISO 2997-2017 Phosphoric acid for industrial use－Determination of sulphate content－Method by reduction and titrimetry

国家市场监督管理总局、中国国家标准化管理委员会, trace sulfuric acid content

GB/T 5195.18-2018 Fluorspar—Determination of barium sulfate content—Gravimetric method
GB/T 4333.7-2019 Ferrosilicon—Determination of sulfur content—Infrared absorption method and chromatographic separation-barium sulfate gravimetric method

Indonesia Standards, trace sulfuric acid content

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 19-1663-1989 Water and waste water, Test method for sulphate content

Yunnan Provincial Standard of the People's Republic of China, trace sulfuric acid content

DB53/T 918-2019 Determination of sulfuric acid content in ferric zinc sulfate solution by acid-base titration

VN-TCVN, trace sulfuric acid content

TCVN 4654-1-2009 Iron ores.Determination of sulphur content.Part 1: Barium sulfate gravimetric method
TCVN 4250-1986 Natural gases.Method for the determination of hydrogen sulphite and mercaptane content
TCVN 3799-1983 Sodium hydroxide technical.Method of test for sodium sulfate content
TCVN 5494-1991 Shampoo for hairs and bath.Method for determination of sulphate content

European Committee for Standardization (CEN), trace sulfuric acid content

EN 1246:1998 Adhesives - Determination of Ash and Sulphated Ash
EN ISO 8799:1995 Surface Active Agents - Sulfated Ethoxylated Alcohols and Alkylphenols - Determination of Content of Unsulfated Matter (ISO 8799 : 1988)
EN 1142:1994 Fruit and vegetable juices - Determination of the sulfate content
EN ISO 16591:2010 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method (ISO 16591:2010)
EN 14131:2003 Foodstuffs - Determination of folate by microbiological assay
PD CEN/TS 15749:2008 Fertilizers - Determination of sulfates content using three different methods
prEN 15749-2021 Fertilizers - Determination of sulfates content using three different methods

German Institute for Standardization, trace sulfuric acid content

DIN EN 1246:1998 Adhesives - Determination of ash and sulphated ash; German version EN 1246:1998
DIN 51400-7:1992 Testing of mineral oils and fuels; determination of sulfur content (total sulfur); microcoulometric determination, oxidation method
DIN CEN/TS 15749:2008 Fertilizers - Determination of sulfates content using three different methods; German version CEN/TS 15749:2008
DIN EN 1142:1994-12 Fruit and vegetable juices - Determination of sulfate content; German version EN 1142:1994
DIN EN ISO 16591:2011-04 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method (ISO 16591:2010); German version EN ISO 16591:2010
DIN EN 14131:2003 Foodstuffs - Determination of folate by microbiological assay; German version EN 14131:2003
DIN EN 15749:2022 Fertilizers - Determination of sulfates content using three different methods
DIN EN 15749:2022-10 Fertilizers - Determination of sulfates content using three different methods; German version EN 15749:2022

RU-GOST R, trace sulfuric acid content

GOST 4389-1972 Drinking water. Methods for determination of sulfate content
GOST 10671.5-1974 Reagents. Methods for the determination of sulfates
GOST 30240.1-1995 Barite concentrate. Methods for determination of barium sulphate
GOST R 52964-2008 Drinking water. Methods for determination of sulphate content
GOST 31940-2012 Drinking water. Methods for determination of sulfate content
GOST 32599.1-2013 Iron ores, concentrates, agglomerates and pellets. Determination of sulfur content. Barium sulfate gravimetric method
GOST 26374-1984 Combustible natural gases. Method for determination of total and organic sulphur content
GOST 25702.12-1983 Raremetallic concentrates. Method for the determination of strontium sulphate
GOST 22985-1990 Liquefied hydrocarbon gases. Method for determination of hydrogen sulphide and mercaptan
GOST 13637.7-1993 Gallium. Method for the determination of sulphur
GOST 14339.2-1982 Tungsten. Method for the determination of sulphur
GOST 22519.4-1977 Thallium. Method for the determination of sulphur
GOST 13637.7-1977 Gallium. Method for the determination of sulphur
GOST 30582-1998 Hydrochloric acid for industrial use. Determination of iron content 2,2'-bipyridyl spectrophotometric method
GOST 29336-1992 Ammonium sulphate for industrial use. Determination of free acid content. Titrimetric method

Lithuanian Standards Office , trace sulfuric acid content

LST ISO 2480:2003 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method (idt ISO 2480:1972)
LST EN 1142-2000 Fruit and vegetable juices - Determination of the sulfate content
LST EN 15749-2010 Fertilizers - Determination of sulfates content using three different methods

ES-AENOR, trace sulfuric acid content

Shandong Provincial Standard of the People's Republic of China, trace sulfuric acid content

DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method
DB37/T 342-2003 Determination method of the content of latonidin sulfate
DB37/T 377-2003 Determination method of sulfate content in peracetic acid solution

Professional Standard - Aviation, trace sulfuric acid content

HB/Z 5088.1-1999 Electroplating nickel solution analysis method EDTA volumetric method to determine the content of nickel sulfate and magnesium sulfate
HB/Z 5109.7-2001 Analysis method for passivation solution Determination of sodium sulfate in zinc plating, cadmium plating nitric acid passivation solution
HB 5220.5-1995 Method for Chemical Analysis of Superalloys Potassium Iodate Volumetric Method for Determination of Sulfur Content
HB 7064.4-1994 Metal heat treatment salt bath chemical analysis method barium sulfate turbidimetric method for determination of sulfate radical content
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 oxidation solution by EDTA volumetric method
HB/Z 5107.15-2004 Methods for analysis of chemical oxidation solution for magnesium alloy-Part 15:Continual determination of manganese sulfate and magnesium sulfate content in potassium bichromate and magnesium sulfate oxidation solutin by EDTA volumetric method
HB/Z 5104.1-1999 Analytical method of aluminum alloy sulfuric acid anodic oxidation solution Potentiometric titration determination of free sulfuric acid and combined sulfuric acid
HB 5422.16-1989 Methods for chemical analysis of copper alloys - Ferrous ammonium sulfate volumetric method for determination of manganese content
HB 5297.4-2001 Titanium Alloy Chemical Analysis Method Ferrous Ammonium Sulfate Volumetric Method for Determination of Vanadium Content
HB 5297.6-2001 Titanium Alloy Chemical Analysis Methods Ferrous Ammonium Sulfate Volumetric Method Determination of Chromium Content

HU-MSZT, trace sulfuric acid content

Professional Standard - Agriculture, trace sulfuric acid content

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
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
199药典四部-2015 3100 content determination method 3105 sodium bisulfite determination method
206药典三部-2015 Content Determination 3104 Ammonium Sulfate Determination General Rules 54
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

CO-ICONTEC, trace sulfuric acid content

ES-UNE, trace sulfuric acid content

UNE 103201:2019 Quantitative analysis of soluble sulphate (in water) content of a soil.
UNE-EN 1142:1995 FRUIT AND VEGETABLE JUICES. DETERMINATION OF THE SULPHATE CONTENT.
UNE-EN ISO 16591:2011 ERRATUM:2011 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method (ISO 16591:2010)
UNE-EN 15749:2023 Fertilizers - Determination of sulfates content using three different methods

Professional Standard - Light Industry, trace sulfuric acid content

QB/T 1035.4-1991 Food additive sodium tripolyphosphate sulfate content determination gravimetric method

未注明发布机构, trace sulfuric acid content

BS 4267-9:1987(1999) Ammonium nitrate — Part 9 : Method for determination of sulphate content
BS EN 1185:1995(2000) Starches and derived products — Determination of sulfur dioxide content — Acidimetric method
BS EN 1142:1995(2000) Method for Determination of sulfate content offruit and vegetable juices

Professional Standard - Electricity, trace sulfuric acid content

DL 422.4-1991 Determination of sulfate content in industrial hydrochloric acid - Barium chromate spectrophotometric method

Danish Standards Foundation, trace sulfuric acid content

DS/EN 1142:1995 Fruit and vegetable juices - Determination of the sulfate content
DS/EN ISO 16591:2011 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method
DS/EN 1185:1995 Starches and derived products- Determination of sulfur dioxide content - Acidimetric method
DS/EN 15749:2009 Fertilizers - Determination of sulfates content using three different methods
DS/EN ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter

CH-SNV, trace sulfuric acid content

VSM 15336.1-1956

Taiwan Provincial Standard of the People's Republic of China, trace sulfuric acid content

CNS 14476-2000 Method of test for sulfur in petroleum gas by oxidative microcoulometry

GOSTR, trace sulfuric acid content

GOST ISO 16591-2015 Petroleum products. Determination of sulfur content. Oxidative microcoulometry method
GOST 26374-2018 Combustible natural gas. Determination of total sulphur

轻工业部, trace sulfuric acid content

QB 1035.4-1991 Determination of food additive sodium tripolyphosphate sulfate content

Professional Standard - Commodity Inspection, trace sulfuric acid content

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

CU-NC, trace sulfuric acid content

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

American Society for Testing and Materials (ASTM), trace sulfuric acid content

ASTM D4193-02 Standard Test Method for Thiocyanate in Water
ASTM D4193-95 Standard Test Method for Thiocyanate in Water
ASTM D4193-08 Standard Test Method for Thiocyanate in Water
ASTM D4193-08(2013)e1 Standard Test Method for Thiocyanate in Water
ASTM D1757-03 Standard Test Method for Sulfate Sulfur in Ash from Coal and Coke
ASTM D4655-95(2006) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
ASTM D4655-95(2012) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
ASTM D6017-97(2003) Standard Test Method for Determination of Magnesium Sulfate (Epsom Salt) in Leather

IN-BIS, trace sulfuric acid content

IS 4203-1967

Sichuan Provincial Standard of the People's Republic of China, trace sulfuric acid content

DB51/T 2037-2015 Determination of Vanadium Content in Vanadium Aluminum Alloy Ammonium Persulfate Oxidation-Ammonium Ferrous Sulfate Titration Method

Professional Standard - Machinery, trace sulfuric acid content

JB/T 11531-2013 Transmitters for moisture content in sulfur hexafluoride gas for high voltage switches

SE-SIS, trace sulfuric acid content

SIS SS 02 81 98-1989 Determination of sulfate content of water — Nephelometric method

NO-SN, trace sulfuric acid content

NS 4762-1988 Water analysis - Determination of sulphate content of water - Nephelometric method

Hebei Provincial Standard of the People's Republic of China, trace sulfuric acid content

DB13/T 1229-2010 Determination method of sulfate content in organic chemical products

Standard Association of Australia （SAA）, trace sulfuric acid content

AS 1289.4.2.1:1997 Methods of testing soils for engineering purposes - Soil chemical tests - Determination of the sulfate content of a natural soil and the sulfate content of the groundwater - Normal method

Professional Standard - Non-ferrous Metal, trace sulfuric acid content

YS/T 226.15-1994 Determination of selenium content in selenium (sodium thiosulfate volumetric method)

Shanghai Provincial Standard of the People's Republic of China, trace sulfuric acid content

DB31/ 267-2002 Sulfur content limiting of fuels

IL-SII, trace sulfuric acid content

S.I.249 Pt.213-1964 TESTING OF WATER SULPHIDES CONTENT

Group Standards of the People's Republic of China, trace sulfuric acid content

T/GXAS 473-2023 Determination of sulfate content in sugarcane juice—EDTA titrimetric method
T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method

Professional Standard - Building Materials, trace sulfuric acid content

JC/T 668-1997 Test method for calcium sulfate in hydrated cement mortar

Guangdong Provincial Standard of the People's Republic of China, trace sulfuric acid content

DB44/T 1029-2012 Determination of Sulfate Content in Alkali Recovered Green Liquor by Turbidimetric Method