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content, determination of iron content, determination of sulfate content, and

content, determination of iron content, determination of sulfate content, and, Total:498 items.

In the international standard classification, content, determination of iron content, determination of sulfate content, and involves: Inorganic chemicals, Adhesives, Metalliferous minerals, Ferroalloys, Water quality, Iron and steel products, Ferrous metals, Non-metalliferous minerals, Beverages, Construction materials, Analytical chemistry, Leather technology, Fruits. Vegetables, Products of the chemical industry, Fertilizers, Milk and milk products, Farming and forestry, Soil quality. Pedology, Testing of metals, Coals, Meat, meat products and other animal produce, Organic chemicals, Fuels, Medical equipment, Protection against fire, Pulps, Paper and board, Powder metallurgy, Prepackaged and prepared foods, Non-ferrous metals, Raw materials for rubber and plastics, Spices and condiments. Food additives, Crude petroleum.

CZ-CSN, content, determination of iron content, determination of sulfate content, and

CSN 65 1073-1982 Determination of sulphates content
CSN 50 0389-1973 Determination of the total sulphate content of páper
CSN 66 8032-1969 Smokeless powder. Determlnation of sulphate content
CSN 65 2465-1981 Sodium Chloride (Salt) Methode of Sulfáte Content Determination
CSN ISO 4689:1993 Iron ores. Determination of sulfur content. Barium sulfate gravimetric method
CSN 65 1070-1981 Determination of raonophosphate content
CSN 66 1239-1983 Determination of sulphur
CSN 65 2085-1984 Sodium carbonate technical Gravimetric method of sulphate content determination
CSN 42 0680 Cast.8-1986 Chemical analysis of non-ferrous metals and alloys. Tin. Determination of sulphur by the iodometric method
CSN 42 0552 Cast.5-1982 Chemical analysis of ferrosilicon. Determination of sulphur
CSN 42 0550 Cast.4-1973 Chemical analysis of ferrochrome. Determination of sulphur
CSN 42 0556 Cast.3-1980 Chemical analysis of ferrotitanium. Determination of sulphur
CSN 42 0555 Cast.4-1973 Chemical analysis of ferrotungsten. Determination of sulphur
CSN 42 0555 Cast.23-1982 Chemical analysis of ferrotungsten. Determination of sulphur
CSN 65 2105-1986 Potassium hydroxide for industrial use. Determination of sulphate content. Nephelometric method
CSN 65 2470-1981 Sodium Chloride (Salt) Photocolorimetric Method of Iron Content Determlnatlon

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, content, determination of iron content, determination of sulfate content, and

GB/T 12684.3-1990 Boric acid for industrial use--Determination of sulphate content by reduction and titrimetry
GB/T 6730.16-2016(英文版) Iron ores—Determination of sulfur content—Barium sulfate gravimetric method
GB/T 32784-2016 Pig iron contenting nickel.Determination of chromium content.Ammonium per sulfate-ammonium ferrous sulfate titration method
GB 4581.4-1984 Alunite ores--Determination of sulphur content for sulphate--Barium sulphate gravimetric method
GB/T 4701.1-2009 Ferrotitanium-Determination of titanium content-The ammonium ferric sulfate titration 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 9018.3-1988 Celestite ores--Determination of sulphate content--Barium sulphate gravimetric method
GB/T 6730.23-2006 Iron ores Determination of titanium content the ferric ammonium sulfate titrimetric mehtod
GB/T 15817-1995 Determination of mineral sulfate content in detergents--Gravimetric method
GB/T 5195.2-2006 Fluorspar. Determination of carbonate content
GB/T 11213.5-2006 Sodium hydroxide for chemical fiber use.Determination of sulphate content
GB/T 6730.32-2013 Iron ores.Determination of vanadium content.The ammonium ferrous sulfate titrimetric method
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 223.26-2008 Iron,steel and alloy.Determination of molybdenum content.The thiocyanate spectrophotometric method
GB/T 32786-2016 Pig iron contenting nickel.Determination of iron content.Dichromate titration method
GB/T 6730.9-2016 Iron ores.Determination of silicon content.Silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate
GB/T 6730.9-2006 Iron ores. Determination of silicon contents The silicomolybdic blue spectrophotometric method by ammonium ferrous sulfate
GB/T 2441.8-2001 Determination of urea Determination of sulphate content Visible turbidimetric method
GB/T 12684.6-1990 Boric acid for industrial use--Determination of iron content
GB/T 6366-1992 Surface active agents-Determiantion of mineral sulfate content-Titrimetric method
GB/T 6366-2012 Surface active agents.Determination of mineral sulfate content.Titrimetric method
GB/T 24225-2009 Chromium ores.Determination of total iron content.Titrimetric method after reduction
GB/T 23835.7-2009 Lithium perchlorate anhydrous.Part 7:Determination of sulfate 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 4702.1-2016 Chromium metal.Determination of chromium content.The ammonium ferrous sulfate titrimetric method
GB/T 6730.17-2014 Iron ores.Determination of sulfur content.Combustion iodometric method
GB/T 223.72-2008 Iron,steel and alloy.Determination of sulfur content.Gravimetric method
GB/T 223.5-2008 Steel and iron.Determination of acid-soluble silicon and total silicon content.Reduced molybdosilicate spectrophotometric method
GB/T 35069-2018 Coke.Determination of phosphorus content.Reduced molybdophosphate spectrophotometric method
GB/T 11213.5-1989 Sodium hydroxide for chemical fiber use--Determination of sulphate mass fraction--Barium sulphate gravimetric method
GB/T 11198.12-1989 Sulphyric acid for industrial use--Determination of sulpur dioxide content--Iodometric method
GB/T 2463-2008 Pyrites and concentrate.Determination of total iron content.Cerium sulfate volumetric and potassium dichromate volumetric methods
GB/T 2463.1-1996 Pyrites and concentrate--Determination of total iron content--Part 1: Cerium sulfate volumetric method
GB/T 24583.1-2009 Vanadium-Nitrogen alloy.Determination of vanadium content.The ammonium ferrous sulfate titration method
GB/T 16574-1996 Pyrites and concentrate--Determination of silicon content--Gravimetric method
GB/T 3780.14-1995 Carbon black--Determination of sulphur content
GB/T 24223-2009 Chromium ores.Determination of phosphorus content.Reduced molybdophosphate photometric method

Korean Agency for Technology and Standards (KATS), content, determination of iron content, determination of sulfate content, and

KS M ISO 2997-2017(2022) Phosphoric acid for industrial use－Determination of sulphate content－Method by reduction and titrimetry
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 4689:2007 Iron ores－Determination of sulfur content－Barium sulfate gravimetric 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 M ISO 6844:2007 Surface N agents-Determination of mineral sulfate content-Titrimetric method
KS M ISO 5400:2012 Leather-Determination of total silicon content-Reduced molybdosilicate spectrometric method
KS H ISO 4099:2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099:2006 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2006 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS D ISO 4829-2:2005 Steel and iron－Determination of total silicon content－Reduced molybdosilicate spectrophotometric method－Part 2：Silicon contents between 0.01 and 0.05 %
KS M ISO 10084-2006(2011) Solid fertilizers－Determination of mineral-acid-soluble sulfate content－Gravimetric method
KS I ISO 10693:2005 Soil quality－Determination of carbonate content(Volumetric method)
KS E ISO 6127-2002(2022) Chromium ores－Determination of phosphorus content－Reduced molybdophosphate photometric method
KS M ISO 5400-2012(2022) Leather－Determination of total silicon content－Reduced molybdosilicate spectrometric method
KS D 1803-2003 Methods for determination of sulfur in iron and steel
KS D ISO 4829-2002(2007) Steel and iron－Determination of total silicon content－Reduced molybdosilicate spectrophotometric method－Part 2：Silicon contents between 0.01 and 0.05 %
KS I ISO 10693:2021 Soil quality — Determination of carbonate content — Volumetric method
KS I ISO 10693-2005(2015) Soil quality－Determination of carbonate content(Volumetric method)
KS E ISO 157-2013(2018) Coal — Determination of forms of sulfur
KS M ISO 6844-2007(2018) Surface active agents－Determination of mineral sulfate content－Titrimetric method
KS E ISO 6130-2011(2016) Chromium ores－Determination of total iron content－Titrimetric method after reduction
KS H ISO 8151:2021 Dried milk — Determination of nitrate content — Method by cadmium reduction and spectrometry(Screening method)
KS D ISO 4934-2002(2017) Steel and cast iron－Determination of total sulphur content－Gravimetric method
KS H ISO 8151:2006 Dried milk－Determination of nitrate content－Method by cadmium reduction and spectrometry(Screening method)
KS H ISO 8069:2007 Dried milk-Determination of content of lactic acid and lactates
KS E ISO 6127:2002 Chromium ores－Determination of phosphorus content－Reduced molybdophosphate photometric method
KS M ISO 9198:2004 Paper, board and pulp－Determination of water-soluble sulfates
KS E ISO 4690:2002 Iron ores－Determination of sulfur content－Combustion method
KS E ISO 4690:2007 Iron ores-Determination of sulfur content-Combustion method
KS D ISO 10714-2001(2016) Steel and iron-Determination of phosphorus content-Phosphovanadomolybdate spectrophotometric method
KS H ISO 1738:2006 Butter-Determination of salt content
KS H ISO 1738-2006(2016) Butter－Determination of salt content
KS H ISO 1738:2021 Butter — Determination of salt content
KS E ISO 2598-2-2012(2022) Iron ores－Determination of silicon content－Part 2: Reduced molybdosilicate spectrophotometric method
KS E ISO 2598-2-2012(2017) Iron ores－Determination of silicon content－Part 2: Reduced molybdosilicate spectrophotometric method
KS E ISO 9507-2012(2017) Iron ores－Determination of total iron content－Titanium(III) chloride reduction methods
KS E ISO 6130:2021 Chromium ores — Determination of total iron content —Titrimetric method after reduction
KS D ISO 4934:2002 Steel and cast iron－Determination of total sulphur content－Gravimetric method
KS E 3706-1993 Determination of sulfur content in coal
KS H ISO 6740:2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6740:2006 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS M ISO 5400-2012(2017) Leather－Determination of total silicon content－Reduced molybdosilicate spectrometric method
KS E ISO 6130:2011 Chromium ores－Determination of total iron content－Titrimetric method after reduction

KR-KS, content, determination of iron content, determination of sulfate content, and

KS M ISO 2997-2017 Phosphoric acid for industrial use－Determination of sulphate content－Method by reduction and titrimetry
KS M ISO 2480-2017 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS D ISO 4934-2022 Steel and iron — Determination of sulfur content — Gravimetric method
KS H ISO 6736-2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099-2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS I ISO 10693-2021 Soil quality — Determination of carbonate content — Volumetric method
KS M ISO 6844-2007(2023) Surface active agents－Determination of mineral sulfate content－Titrimetric method
KS H ISO 8151-2021 Dried milk — Determination of nitrate content — Method by cadmium reduction and spectrometry(Screening method)
KS E ISO 4690-2002 Iron ores－Determination of sulfur content－Combustion method
KS H ISO 1738-2021 Butter — Determination of salt content
KS E ISO 6130-2021 Chromium ores — Determination of total iron content —Titrimetric method after reduction
KS H ISO 6740-2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS D ISO 4829-1-2022 Steel and cast iron — Determination of total silicon contents — Reduced molybdosilicate spectrophotometric method — Part 1: Silicon contents between 0.05 % and 1.0 %

International Organization for Standardization (ISO), content, determination of iron content, determination of sulfate content, and

ISO 3328:1975 Nitric acid for industrial use; Determination of sulphate content; Method by reduction and titrimetry
ISO 2997:1974 Phosphoric acid for industrial use; Determination of sulphate content; Method by reduction and titrimetry
ISO 906:1976 Hydrochloric acid for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 7058:1983 Phosphoric acid for industrial use; Determination of higher soluble sulfate contents; Titrimetric method after reduction
ISO 2487:1973 Potassium sulphate for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
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 743:1976 Sodium carbonate for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 4689:1986 Iron ores; Determination of sulfur content; Barium sulfate gravimetric method
ISO 4686:1980 Iron ores — Determination of silicon content — Reduced molybdosilicate spectrophotometric 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 5400:1984 Leather; Determination of total silicon content; Reduced molybdosilicate spectrometric method
ISO 6740:1985 Dried whey; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 3237:1975 Sodium sulphate for industrial use; Determination of sulphates content; Calculation method and barium sulphate gravimetric method
ISO 6736:1982 Dried milk; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO/TS 4689-1:2023 Iron ores — Determination of sulfur content — Part 1: Barium sulfate gravimetric method
ISO 3200:1975 Sodium and potassium silicates for industrial use; Determination of sulphates content; Barium sulphate gravimetric method
ISO 6127:1981 Chromium ores; Determination of phosphorus content; Reduced molybdophosphate photometric method
ISO 9508:1990 Iron ores; determination of total iron content; silver reduction titrimetric method
ISO 908:1980 Hydrochloric acid for industrial use; Determination of oxidizing or reducing substances content; Titrimetric method
ISO 10693:1995 Soil quality - Determination of carbonate content - Volumetric method
ISO 5142:1977 Sodium sulphate for industrial use; Determination of sodium sulphate content; Gravimetric method
ISO 3329:1975 Ammonium nitrate for industrial use; Determination of content of sulphur compounds; Method by reduction and titrimetry
ISO 5143:1977 Sodium carbonate for industrial use; Determination of sulphur compounds content; Method by reduction and titrimetry
ISO 6844:1983 Surface active agents; Determination of mineral sulfate content; Titrimetric method
ISO 2083:1973 Gasoline — Determination of lead content — Volumetric chromate method
ISO 8151:1987 Dried milk; Determination of nitrate content; Method by cadmium reduction and spectrometry (Screening method)
ISO 8069:2005 Dried milk - Determination of content of lactic acid and lactates
ISO 3495:1975 Dried milk — Determination of lactic acid and lactates content
ISO 8069:2005 | IDF 69:2005 Dried milk — Determination of content of lactic acid and lactates
ISO 8069:2005|IDF 69:2005 Determination of lactic acid and lactate content in milk powder
ISO 4099:1984 Cheese; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 4099:1978 Cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 6739:1988 Whey cheese; determination of nitrate and nitrite contents; method by cadmium reduction and spectrometry
ISO 5442:1980 Sodium hexafluorosilicate for industrial use; Determination of sulphur compounds content; Iodometric method after reduction
ISO 9198:2001 Paper, board and pulp - Determination of water-soluble sulfates
ISO 4690:1986 Iron ores; Determination of sulfur content; Combustion method
ISO 1738:2004|IDF 12:2004 Butter — Determination of salt content
ISO 1738:2004 Butter - Determination of salt content
ISO 1738:2004|IDF 012:2004 Determination of salt content in butter
ISO 2598-2:1992 Iron ores; determination of silicon content; part 2: reduced molybdosilicate spectrophotometric method
ISO 4283:1978 Acid-grade fluorspar — Determination of carbonate content — Titrimetric method
ISO 9438:1989 Metallurgical-grade fluorspar — Determination of total phosphorus content — Reduced molybdophosphate spectrometric method
ISO 3198:1975 Sodium hydroxide for industrial use; Determination of sulphur compounds; Method by reduction and titrimetry
ISO 6130:1985 Chromium ores; Determination of total iron content; Titrimetric method after reduction
ISO 9035:1989 Iron ores; determination of acid-soluble iron(II) content; titrimetric method
ISO 4934:2003 Steel and iron — Determination of sulfur content — Gravimetric method
ISO 4934:1980 Steel and cast iron; Determination of sulfur content; Gravimetric method
ISO 9502:1993 Metallurgical-grade fluorspar; determination of silica content; reduced-molybdosilicate spectrometric method
ISO 4284:1978 Acid-grade fluorspar — Determination of sulphide content — Iodometric method

ET-QSAE, content, determination of iron content, determination of sulfate content, and

YU-JUS, content, determination of iron content, determination of sulfate content, and

JUS H.B8.722-1981 Copper sulphate. Determination of iron content
JUS H.G8.014-1980 Reagents. Hydrochloric acid. Determination of sulphates oontent Turbidimetric method
JUS H.G8.017-1980 Reagents. Hydrochloric acid. Determination ofnilphites oontent. Iodimetric method
JUS H.G8.038-1981 Reagents. Sulphuric acid. Determination ofpermanganate reducing substances content. Volumetric met- hod
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.G8.502-1991 Reagents. Formic acid. Determination of sulphates content. Turbidimetric method
JUS H.B8.127-1980 Cryolite, natural and artificial. Determination ofsulphates content. Barium sulphate gravimetric method
JUS H.G8.425-1990 Reaaents. Sodiuin sulphite, anhvdrous and sodium sulphite heptahydrate. Determination of iron content. Colorimetric 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.G8.069-1983 Reagents. Bori? acid. Determination of sulphate content. Turbidimetric method
JUS H.G8.186-1984 Reagents. di-Sodium tetraborate decahydrate. Determinationof sulphatecontent Turbidimetricmethod
JUS H.B8.721-1981 Copper sulphate. Titrimetric determination of copper sulphate content
JUS H.G8.488-1991 Reagents. Potassium permanganate. Determination of sulphates content. Turbidimetric method
JUS H.Z1.163-1984 Testing of industrial vvaters. Determination od sulphate content. Gravimetric method with barium chlo- ride
JUS H.G8.503-1991 Reagents. Formic acid. Determination of sulphites content. Volumetric method
JUS H.G8.342-1988 Reagents. Zine chloride. ?etermination of sulphates content. Turbldimetric mc?hod
JUS H.G8.126-1984 Reagents. Ammonia solution. Determination of sulphate content. Turbidimetric method
JUS H.G8.195-1985 Reagents. Ammonium chloride. Determination of sulphate content. Turbidimetric method
JUS H.B8.430-1983 Acid-grade fluorspar. Determination of silkon content Reduced molybdosilicate photometric method
JUS H.G8.432-1990 Reaaents. Potassium iodide. Determination of sulphate content. Turbidinetric method
JUS H.B8.429-1983 Acid-grade fluorspar. Determination of barium sulphate content. Gravimetric 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.G8.456-1991 Reageats. Potassium sulphats. Determination of pbospbate fc.d?ieot. Spectrophotometric metho?
JUS H.G8.274-1987 Reagents. Iron(ll) sulphate heptahydrate. Determination of iron(ll) sulphate heptahydrate content. Vo- lumetric method
JUS H.B8.019-1981 Sulphuric acid and oleum for industrial u se. Determination ofarsenic content Silver diethyldithiocarba- ma te photometric method
JUS H.G8.279-1987 Reagents. Iron(ll) M/phate heptahydrate. Determination of phosphate content. Spectrophotometric method
JUS H.G8.513-1991 Reagents. Potassium hydroxide. Determination of sulphates content. Turbidimetric method
JUS H.G8.367-1989 Reagents. Nickel(II) chloride hexahydrate. Determination of sulohates content- Turbldimetric method
JUS H.G8.480-1991 Reagents. Orthophosphoric aci?. Determination of permanganate reducing substances content. Volumetric method
JUS H.G8.337-1987 Reagents. Ammonium acetate. Determination of permanganate reducing substances content Volumetric method
JUS H.G8.080-1983 Reagents. Sodium chloride. Determination of sulphate content. Turbidimetric method
JUS H.G8.414-1991 Reagents. Sodium hydroxi?e. Determination of sulphates content. Turbidimetric method
JUS H.B8.638-1981 Sulphuric acid for industrial use. Determination of pe mangan a te reducing substances content Vol u me trk method
JUS H.G8.386-1989 Reagents. Calciun nitrate tetrahydrate. Deterraination of suiphates content. Turbidinetric nethod
JUS B.G8.306-1989 Chrottium ores. Determiuation of total iron content. Titrimetric method after reduction
JUS H.B8.724-1981 Copper sulphate. Determination of free water
JUS H.G8.213-1985 eagents. Meihanol. Determination ofpermanganate reducing substances content. Volumetric method
JUS H.B8.428-1983 Acid-grade fluorspar. Determination of sulphide content. iodometric method
JUS H.G8.497-1991 Reagents. Ammonium iron (III) sulphate dodecahydrate. Determination of substances not precipitated by ammonia (as sulphates). Gravimetric method
JUS H.G8.423-1990 Reagents. So?ium sulphite, anhydrous and sodium sulphite heptahvdrate. Determination of chlorides content. Turbi?imetric method

Association Francaise de Normalisation, content, determination of iron content, determination of sulfate content, and

NF T20-287:1982 Nitric acid for industrial use. Determination of sulphate content. Method by reduction and titrimetry.
NF T20-471:1973 Phosphoric acid for industrial use. Determination of sulphates. Titrimetric method after reduction.
NF A20-406*NF ISO 4689:1987 Iron ores. Determination of sulphur content. Barium sulfate gravimetric method.
NF T90-009:1986 Testing water - Determination of sulphate ions - Gravimetric method.
NF T20-364:1978 Potassium sulphate for industrial use. Determination of sulphate content.baryum sulphate gravimetric method.
NF T20-417:1975 Sodium carbonate for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF T20-469:1984 Phosphoric acid for industrial use. Determination of higher soluble sulfate contents. Titrimetric method after reduction.
NF T20-405:1982 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF V76-109*NF EN 1142:1994 Fruit and vegetable juices. Determination of the sulfate content.
NF U42-771:1986 Fertilizers. Determination of the sulfuric anhydrique content total and soluble.
NF T90-040:1986 Testing water - Determination of sulphate ions - Nephelometric method.
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 T20-263:1969 Chemical analysis of hydrochloric and nitric acids. Turbidimetric determination of sulphates.
NF T20-454:1976 Sodium sulphate for industrial use. Determination of sulphate content. Calculation method and barium sulphate gravimetric method.
NF A20-415:1984 Iron ores. Determination of silicon content. Reduced molybdosilicate spectrophotometric method.
NF A06-368*NF EN ISO 4934:2004 Steel and iron - Determination of sulfur content - Gravimetric method
NF EN ISO 10693:2014 Qualité du sol - Détermination de la teneur en carbonate - Méthode volumétrique
NF T20-459:1980 Sodium sulphate for industrial use. Determination of sodium sulphate content. Gravimetric method.
NF T73-208:1983 Surface active agent. Determination of mineral sulfate content. Titrimetric method.
NF A06-341-2:1990 Steel and cast iron. Determination of total silicon content. Reduced molybdosilicate spectrophotometric method. Part 2 : silicon contents between 0,01 and 0,05 per cent.
NF V04-352*NF EN ISO 8069:2007 Dried milk - Determination of content of lactic acid and lactates.
NF EN ISO 8069:2007 Lait sec - Determination de la teneur en acide lactique et en lactates
NF V04-290:1985 Cheese. Determination of nitrate and nitrite contents. Method by cadmium reduction and photometry.
NF V04-351:1985 DRIED MILK. DETERMINATION OF NITRATE AND NITRITE CONTENTS. METHOD BY CADMIUM REDUCTION AND PHOTOMETRY.
NF EN 12014-7:1998 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 7 : détermination de la teneur en nitrates par flux continu dans les légumes et les produits à base de légumes, après réduction au cadmium.
NF A20-407*NF ISO 4690:1987 Iron ores. Determination of sulphur content. Combustion method.
NF EN 12014-3:2005 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 3 : détermination spectrométrique de la teneur en nitrates et en nitrites des produits carnés après réduction enzymatique des nitrates en nitrites
NF A20-409:1990 Iron ores. Determination of total iron content. Silver reduction titrimetric method.
NF V04-314:1998 Butter. Determination of salt content.
NF V03-010-5*NF EN 12014-5:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 5 : enzymatic determination of nitrate content of vegetable containing food for babies and infants.
NF V03-010-3*NF EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
NF X31-105*NF EN ISO 10693:2014 Soil quality - Determination of carbonate content - Volumetric method
NF X31-105:1995 Soil quality. Determination of carbonate content. Volumetric method.
NF A06-341-2*NF EN ISO 4829-2:2016 Steel - Determination of total silicon content - Reduced molybdosilicate spectrophotometric method - Part 2 : silicon contents between 0,01% and 0,05 %
NF U42-502*NF EN 15749:2010 Fertilizers - Determination of sulfates content using three different methods.

TR-TSE, content, determination of iron content, determination of sulfate content, and

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
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 3070-1978 Dried Milk - Determination Of Lactic Acid And Lactates Content

PL-PKN, content, determination of iron content, determination of sulfate content, and

PN H04805-13-1991 Zinc powder Determination of sulfate content
PN H04108-1993 Iron ores. Determination of sulfur content. Barium sulfate gravimetric method
PN C84039-11-1988 Potassium hydroxide technical Determination of sulphates content
PN P04781-04-1987 Textile dressing materials Determination of sulfates eon tent
PN EN 24934-1992 Steel and cast iron. Determination of sulphur content. Gravimetric method
PN C81549-13-1986 Paints and Varnishes Determination of toxic metals content Determination of toxic metals content in hydrochlorid acid extracts Determination of lead content
PN C81549-14-1986 Paints and Varnishes Determination of toxic metals content Determination of toxic metals content in hydrochlorid acid extracts Determination of antimonu content
PN C81549-15-1986 Paints and Varnishes Determination of toxic metals content Determination of toxic metals content in hydrochlorid acid extracts Determination of arsenie content
PN C81549-16-1986 Paints and Varnishes Determination of toxic metals content Determination of toxic metals content in hydrochlorid acid extracts Determination of cadmium content
PN C81549-17-1986 Paints and Varnishes Determination of toxic metals content Determination of toxic metals content in hydrochlorid acid extracts Determination of mercury content
PN C81549-18-1986 Paints and Varnishes Determination of toxic metals content Determination of toxic metals content in hydrochlorid acid extracts Determination of chromium content
PN C81549-19-1986 Paints and Varnishes Determination of toxic metals content Determination of toxic metals content in hydrochlorid acid extracts Determination of copper content
PN C81549-20-1986 Paints and Varnishes Determination of toxic metals content Determination of toxic metals content in hydrochlorid acid extracts Determination of manganese content
PN C81549-21-1986 Paints and Varnishes Determination of toxic metals content Determination of toxic metals content in hydrochlorid acid extracts Determination of barium content
PN C04814-1969 Washing powder Determination o? silicates content
PN C04815-1969 Washing powder De?ermina?ion o? carbona?es content

AT-ON, content, determination of iron content, determination of sulfate content, and

ONORM DIN 10338-1992 Determination of nitrate and nitrite contents of cheese - Method by cadmium reduction
ONORM EN 13-1980 Determination of lead content of gasoline; volumetric Chromate method

European Committee for Standardization (CEN), content, determination of iron content, determination of sulfate content, and

EN 1246:1998 Adhesives - Determination of Ash and Sulphated Ash
EN 1142:1994 Fruit and vegetable juices - Determination of the sulfate content
EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
EN ISO 8069:2007 Dried milk - Determination of content of lactic acid and lactates
PD CEN/TS 15749:2008 Fertilizers - Determination of sulfates content using three different methods
EN 13:1974 Determination of Lead Content of Gasoline: Volumetric Chromate Method
DD ENV 12014-3-1998 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 3: Spectrometric Determination of Nitrate and Nitrite Content of Meat Products After Enzymatic Reduction of Nitrate to Nitrite

German Institute for Standardization, content, determination of iron content, determination of sulfate content, and

DIN EN 1246:1998 Adhesives - Determination of ash and sulphated ash; German version EN 1246:1998
DIN EN ISO 4934:2004-05 Steel and iron - Determination of sulfur content - Gravimetric method (ISO 4934:2003); German version EN ISO 4934:2003
DIN EN 1142:1994-12 Fruit and vegetable juices - Determination of sulfate content; German version EN 1142:1994
DIN CEN/TS 15749:2008 Fertilizers - Determination of sulfates content using three different methods; German version CEN/TS 15749:2008
DIN EN ISO 10693:2014-06 Soil quality - Determination of carbonate content - Volumetric method (ISO 10693:1995); German version EN ISO 10693:2014
DIN EN ISO 8069:2007 Dried milk - Determination of content of lactic acid and lactates (ISO 8069:2005); English version of DIN EN ISO 8069:2007-09
DIN EN ISO 8069:2007-09 Dried milk - Determination of content of lactic acid and lactates (ISO 8069:2005); German version EN ISO 8069:2007
DIN EN 12014-7:1998-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction; German version EN 12014-7:1998
DIN EN ISO 4934:2004 Steel and iron - Determination of sulfur content - Gravimetric method (ISO 4934:2003); German version EN ISO 4934:2003
DIN EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
DIN EN 12014-3:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN 12014-5:1997-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
DIN EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction; German version EN 12014-7:1998
DIN EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN ISO 4829-1:2018-08 Steel and cast iron - Determination of total silicon contents - Reduced molybdosilicate spectrophotometric method - Part 1: Silicon contents between 0,05 % and 1,0 % (ISO 4829-1:2018); German version EN ISO 4829-1:2018

BE-NBN, content, determination of iron content, determination of sulfate content, and

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
NBN I-992-1969
NBN T 03-003-1979 Hydrochloric acid for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-273-1985 Phosphoric acid for industrial use - Determination of higher soluble sulfate contents -Titrimetric method after reduction
NBN T 03-209-1980 Potassium sulphate for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN I-995-1969
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 I-880-1968
NBN 438-1957
NBN T 03-005-1980 Hydrochloric acid for industrial use - Determination of oxidizing or reducing substances content - Titrimetric method
NBN T 63-158-1987 Surface active agents - Determination of minerai sulfate content - Titrimetric method
NBN T 03-174-1980 Sodium sulphate for industrial use - Determination of sulphates content - Calculation method and barium sulphate gravimetric method
NBN 831-07-1970
NBN 291-1952
NBN T 03-179-1980 Sodium sulphate for industrial use - Determination of sodium sulphate content - Gravimetrie method
NBN T 03-114-1979 Sodium carbonate for industrial use - Determination of sulphur compounds content - Method by reduction and titrimetry

AENOR, content, determination of iron content, determination of sulfate content, and

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 33104:1974 TEST METHOD OF VINIC VINEGAR. DETERMINATION OF SULPHATE CONTENT.
UNE 103202:1995 QUALITATIVE DETERMINATION OF SOLUBLES SULPHATES CONTENT IN A SOIL.
UNE 34194:1984 SUGARS. DETERMINATION OF SULPHURIC ASH CONTENT.
UNE 22144:1990 DIRECT REDUCED IRON. DETERMINATION OF METALLIC IRON CONTENT. TITRIMETRIC METHOD.
UNE 103200:1993 DETERMINATION OF CARBONATE CONTENT IN SOILS.
UNE 37217:1980 LEAD OXYDES. DETERMINATION OF TOTAL LEAD CONTENT BY THE SULPHATE METHOD.
UNE 103201:1996 QUANTITATIVE ANALYSIS OF SOLUBLE SULPHATE CONTENT OF A SOIL.
UNE 77317:2001 Soil quality. Determination of carbonate content.. Volumetric method.
UNE 55808:1985 SURFACE ACTIVE AGENTS. DETERMINATION OF MINERAL SULFATE CONTENT. TITRIMETRIC METHOD
UNE-EN 12014-3:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
UNE-EN ISO 4934:2008 Steel and iron - Determination of sulfur content - Gravimetric method (ISO 4934:2003)
UNE-EN 12014-5:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 5: ENZYMATIC DETERMINATION OF NITRATE CONTENT OF VEGETABLE-CONTAINING FOOD FOR BABIES AND INFANTS.

PT-IPQ, content, determination of iron content, determination of sulfate content, and

RO-ASRO, content, determination of iron content, determination of sulfate content, and

STAS 3069-1987 DRINKJNG WA.TEK Sulphates content determinalion
STAS 8934/12-1979 SALT (SODIUM CHLORIDE) Determination of suphate ions content
STAS 7471-1966
STAS 10853/7-1977 FERROTUNGSTEN Determination of sulphur content
STAS 11346/5-1979 FERROPHOSPHORUS Determination of sulphur content
STAS 9208/8-1981 FERROTITANIUM Determination of sulphur
STAS 9636/7-1974 FERROCHROMIUM Determination of sulphur content
STAS 6887-1963
STAS 11047/6-1978 FERROSILICOMANGANKME Determination of sulphur content
STAS 4605/13-1972 NON-METAT, BEARING MIXIXG PRODUCTS WITH CARBONATE CONTENT DCtermination of sulphate ion and tolal sulphur
STAS 8718/5-1986 FERROSILICON Sulphur content determination
STAS 11359/7-1980 NATIVE SULPHUR ORES AND CONCENTRATES Determination of sulphates content
STAS SR ISO 2480:1995 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method
STAS 10395/8-1975 FERROVANADIUM Determination of sulphur content
STAS 9772/6-1982 FERROBORON Determination of sulphur
STAS 11033/6-1978 FIJRROSILICOCHROME Determination of sulphur content
SR 8379-9-1997 Superfosphate - Total phosphore content determination
STAS 7661-1989 SURFACE WATERS AND WASTE WATERS Sulphites content determina tion
STAS 1459-1979 CAST IRONS AND STEELS Determination of sulphur content
STAS 12999-1991 SEA WATER Azotates content determination
STAS 10837/4-1977 SELENIUM Determination of sulphur content
STAS 1706/6-1985 COPPER Determination of sulphur content
STAS 12873-1990 Cinematograph. Residual thiosulphate determination
STAS SR 13303-5-1996 Chlorous sludge. Determination of iron content
STAS 9218/5-1973 ZLRCONIUM SILICATE Determination of ferric oxide content
STAS SR ISO 10084:1995 Solid fertilizers - Determination of mineral - acid - soluble sulfate content - Gravimetric method
STAS 7843-1967
STAS 12754-1989 SEA WATER Nitrites content determination
STAS 10943-1989 AIR PURITY Hydrochloric acid content determination
STAS SR EN 24829-2-1994 Steel and cast iron. Determination of total silicon content. Reduced molybdosilicate spectrophotometric method. Part 2: Silicon content between 0,01 and 0,05 %
STAS SR EN 24829-1-1994 Steel and cast iron. Determination of total silicon content. Reduced molybdosilicate spectrophotometric method. Part 1: Silicon content between 0,05 and 1,0 %

NL-NEN, content, determination of iron content, determination of sulfate content, and

NEN 6580-1985 Rain water - Photometric determination of sulphate content
NEN 6487-1982 Water - Titrimetric determination of the sulphate content
NEN 5930-1990 Aggregates for concrete - Determination of sulphate content
NEN 6544-1990 Water for boiler plants Gravimetricdetermination of sulfate content
NEN 6474-1981 Water ■ Photometric determination of nitrite content
NEN 6471-1981 Water - Photometric determination of silicate content
NEN 6440-1981 Water - Photometric determination of nitrate content

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, content, determination of iron content, determination of sulfate content, and

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

British Standards Institution (BSI), content, determination of iron content, determination of sulfate content, and

PD ISO/TS 4689-1:2023 Iron ores. Determination of sulfur content. Barium sulfate gravimetric method
BS 812-118:1988 Testing aggregates. Methods for determination of sulphate content
BS EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
BS EN ISO 4934:2003 Steel and iron. Determination of sulfur content. Gravimetric method
BS EN 1142:1995 Method for determination of sulfate content of fruit and vegetable juices
BS EN ISO 10693:2014 Soil quality. Determination of carbonate content. Volumetric method
BS EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
BS EN ISO 4934:2004 Steel and iron - Determination of sulfur content - Gravimetric method
BS 4267-9:1987 Ammonium nitrate - Method for determination of sulphate content
BS EN ISO 8069:2007 Dried milk. Determination of content of lactic acid and lactates
BS ISO 9198:2001 Paper, board and pulp - Determination of water-soluble sulfates
BS ISO 1738:2004 Butter - Determination of salt content
BS 7020-5.2:1993 Analysis of iron ores. Methods for the determination of silicon content. Reduced molybdosilicate spectrophotometric method
BS EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and spectrometry
BS 6070-5:1981 Methods of sampling and test for sodium carbonate for industrial use. Determination of sulphate content
BS EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
BS DD CEN/TS 15749:2008 Fertilizers - Determination of sulfates content using three different methods
BS 3762-3.22:1986 Analysis of formulated detergents. Quantitative test methods. Method for determination of inorganic sulphate content
BS 4993-8:1980 Methods of test for aluminium fluoride for industrial use. Determination of sulphate content
BS 7319-4:1990 Analysis of sodium chloride for industrial use. Method for determination of sulphate content

HU-MSZT, content, determination of iron content, determination of sulfate content, and

工业和信息化部, content, determination of iron content, determination of sulfate content, and

YB/T 4726.4-2021 Determination of silicon content in iron-containing dust sludge Ferrous ammonium sulfate reduction-silicon molybdenum blue spectrophotometry
HG/T 6072-2022 Determination of thiocyanate content in coking wastewater
YB/T 4726.7-2021 Determination of total iron content in iron-containing dust sludge titanium trichloride reduction potassium dichromate titration method
YB/T 4566.5-2016 Determination of vanadium ferrosilicon content by sulfuric acid dehydration gravimetric method
YB/T 4566.3-2016 Determination of vanadium content in iron vanadium nitride Ferrous ammonium sulfate titration method
YB/T 4726.6-2021 Determination of sulfur content in iron-containing dust and mud by infrared absorption method
QB/T 2115-2020 Determination of carbonate content in detergents
YB/T 4532-2016 Determination of phosphorus, iron and phosphorus content by acid-base titration method

RU-GOST R, content, determination of iron content, determination of sulfate content, and

GOST R 52964-2008 Drinking water. Methods for determination of sulphate content
GOST 31940-2012 Drinking water. Methods for determination of sulfate content
GOST 4389-1972 Drinking water. Methods for determination of sulfate content
GOST 10671.5-1974 Reagents. Methods for the determination of sulfates
GOST R 51196-2010 Dried milk. Determination of content of lactic acid and lactates
GOST 27417-1998 Metallic powders. Determination of total oxygen by reduction - extraction
GOST 27417-1987 Metal powders. Methods for determination of oxygen
GOST 28478-1990 Surface active agents. Determination of mineral sulhate content. Titrimetric method

Professional Standard - Chemical Industry, content, determination of iron content, determination of sulfate content, and

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

CU-NC, content, determination of iron content, determination of sulfate content, and

NC 23-05-1968 Technical sulphuric acid. Photometric determinat?on of iron content.
NC 24-32-1984 Inorganic Chemical Products Table Salt. Determlnation of the Content of Sulphates
NC 24-42-1985 Inorganic Chemical products. Technical Hydrochloric Acid. Determination of Iron Content

Anhui Provincial Standard of the People's Republic of China, content, determination of iron content, determination of sulfate content, and

DB34/T 2362-2015 Determination of molybdenum content in steel and alloys Ascorbic acid reduction-thiocyanate spectrophotometric method

Danish Standards Foundation, content, determination of iron content, determination of sulfate content, and

DS/EN ISO 4934:2004 Steel and iron - Determination of sulfur content - Gravimetric method
DS/EN 1142:1995 Fruit and vegetable juices - Determination of the sulfate content
DS/ISO 4829-2:1991 Steel and iron. Determinaiton of total silicon content. Reduced molybdosilicate spectrophotometric method. Part 2: Silicon contents between 0,01 and 0,05 %
DS/EN 12014-3:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
DS/EN ISO 8069:2007 Dried milk - Determination of content of lactic acid and lactates
DS/EN 12014-7:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continous Flow method for the determination of nitrate content of vegetables and vegetable products after Cadmium reduction
DS/EN 12014-5:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants

Lithuanian Standards Office , content, determination of iron content, determination of sulfate content, and

LST EN 1142-2000 Fruit and vegetable juices - Determination of the sulfate content
LST EN 12014-3-2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
LST EN ISO 4934:2004 Steel and iron - Determination of sulfur content - Gravimetric method (ISO 4934:2003)
LST ISO 2480:2003 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method (idt ISO 2480:1972)
LST EN 12014-7-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after Cadmium reduction
LST EN 12014-5-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants

未注明发布机构, content, determination of iron content, determination of sulfate content, and

BS EN 1142:1995(2000) Method for Determination of sulfate content offruit and vegetable juices
BS 4267-9:1987(1999) Ammonium nitrate — Part 9 : Method for determination of sulphate content
BS 812-118:1988(1999) Testing aggregates — Part 118 : Methods for determination of sulphate content

ES-UNE, content, determination of iron content, determination of sulfate content, and

UNE-EN 1142:1995 FRUIT AND VEGETABLE JUICES. DETERMINATION OF THE SULPHATE CONTENT.
UNE 103200:2021 Determination of the carbonate content of a soil
UNE 59027:1988 ERRATUM LEATHER. DETERMINATION OF TOTAL SILICON CONTENT. REDUCED MOLYBDOSILICATE SPECTROMETRIC METHOD
UNE-EN ISO 10693:2014 Soil quality - Determination of carbonate content - Volumetric method (ISO 10693:1995) (Endorsed by AENOR in May of 2014.)
UNE 103202:2019 Qualitative determination of soluble sulphates (in water) content in a soil.
UNE 103201:2019 Quantitative analysis of soluble sulphate (in water) content of a soil.
UNE-EN ISO 4829-1:2019 Steel and cast iron - Determination of total silicon contents - Reduced molybdosilicate spectrophotometric method - Part 1: Silicon contents between 0,05 % and 1,0 % (ISO 4829-1:2018)

ES-AENOR, content, determination of iron content, determination of sulfate content, and

American Society for Testing and Materials (ASTM), content, determination of iron content, determination of sulfate content, and

ASTM E316-11 Standard Test Method for Determination of Iron in Manganese Ores by Hydrogen Sulfide Reduction-Dichromate Titrimetry
ASTM E316-00(2005) Standard Test Method for Determination of Iron in Manganese Ores by Hydrogen Sulfide Reduction-Dichromate Titration
ASTM E316-00 Standard Test Method for Determination of Iron in Manganese Ores by Hydrogen Sulfide Reduction-Dichromate Titration

Professional Standard - Electricity, content, determination of iron content, determination of sulfate content, and

DL 422.2-1991 Determination of industrial hydrochloric acid content - Volumetric method
DL 422.4-1991 Determination of sulfate content in industrial hydrochloric acid - Barium chromate spectrophotometric method

VN-TCVN, content, determination of iron content, determination of sulfate content, and

TCVN 3871-1983 Ferromanganese.Method for the determination of sulphur content
TCVN 3856-1983 Ferrochrome.Method for the determination of sulphur content
TCVN 3863-1983 Ferrotitanium.Method for the determination of sulphur content
TCVN 4654-1-2009 Iron ores.Determination of sulphur content.Part 1: Barium sulfate gravimetric method
TCVN 4781-1989 Bauxite.Determination of carbonate content
TCVN 6341-1998 Iodated salt.Method for determination ofiodate content
TCVN 4250-1986 Natural gases.Method for the determination of hydrogen sulphite and mercaptane content
TCVN 6839-2001 Dried milk.Determination of nitrate content.Method by cadmium reduction and spectrometry(Screening method)
TCVN 6836-2007 Dried milk.Determination of content of lactic acid and lactates
TCVN 5494-1991 Shampoo for hairs and bath.Method for determination of sulphate content
TCVN 4075-2009 Candy.Determination of reducing sugar content

IN-BIS, content, determination of iron content, determination of sulfate content, and

ZA-SANS, content, determination of iron content, determination of sulfate content, and

SANS 5292:1987 Sulphates in solutions, detection
SANS 5622:1972 Determination of total sulphated ash content of leather

Yunnan Provincial Standard of the People's Republic of China, content, determination of iron content, determination of sulfate content, and

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

Group Standards of the People's Republic of China, content, determination of iron content, determination of sulfate content, and

T/GXAS 473-2023 Determination of sulfate content in sugarcane juice—EDTA titrimetric method

SE-SIS, content, determination of iron content, determination of sulfate content, and

SIS SS-EN 24 934-1990 Steel and cast iron — Determination of sulphur content — Gravimetric method
SIS SS 02 81 98-1989 Determination of sulfate content of water — Nephelometric method
SIS 02 81 26-1974 Determination of orthophosphate content of water
SIS 15 51 40-1974 Gasoline. Determination of lead content. Volumetric chromate method

CO-ICONTEC, content, determination of iron content, determination of sulfate content, and

ICONTEC 50-1991

Professional Standard - Agriculture, content, determination of iron content, determination of sulfate content, and

SN/T 5495-2023 Determination of Iron Content in Iron Dust Slime Potassium Dichromate Titration Method
225药典三部-2020 Content determination method 3104 Ammonium sulfate determination method

国家市场监督管理总局、中国国家标准化管理委员会, content, determination of iron content, determination of sulfate content, and

GB/T 5195.18-2018 Fluorspar—Determination of barium sulfate content—Gravimetric method
GB/T 24583.1-2019 Vanadium-nitrogen—Determination of vanadium content—Ammonium ferrous sulfate titration method
GB/T 8454-2020 Reduced ilmenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method

NO-SN, content, determination of iron content, determination of sulfate content, and

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

Professional Standard - Ferrous Metallurgy, content, determination of iron content, determination of sulfate content, and

YB/T 5040-2012 Molybdenum oxide.Determination of sulfur content.Gravimetric method of barium sulfate
YB/T 4021-2007 Determination of total sulphur in naphthalene.reduction titration
YB/T 4021-1991 Determination method of total sulfur content in naphthalene - reduction titration method
YB 4021-1991 Determination method of total sulfur content in naphthalene - reduction titration method
YB/T 5332-2009 Determination of vanadium pentoxide sulfur content barium sulfate gravimetric method

Professional Standard - Light Industry, content, determination of iron content, determination of sulfate content, and

QB/T 1035.4-1991 Food additive sodium tripolyphosphate sulfate content determination gravimetric method
QB/T 2115-1995 Determination of carbonate content in detergents

Standard Association of Australia （SAA）, content, determination of iron content, determination of sulfate content, and

AS 4969.7:2008 Analysis of acid sulfate soil - Dried samples - Methods of test - Determination of chromium reducible sulfur (SCR)

轻工业部, content, determination of iron content, determination of sulfate content, and

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

Shandong Provincial Standard of the People's Republic of China, content, determination of iron content, determination of sulfate content, and

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

International Dairy Federation (IDF), content, determination of iron content, determination of sulfate content, and

IDF 69-2005 Dried milk - Determination of content of lactic acid and lactates

Japanese Industrial Standards Committee (JISC), content, determination of iron content, determination of sulfate content, and

JIS M 8217:1994 Iron ores -- Methods for determination of sulfur content

Indonesia Standards, content, determination of iron content, determination of sulfate content, and

SNI 06-4822-1998 Test methods for manganese content in water by spectrophotometer in persulphate manner

Qinghai Provincial Standard of the People's Republic of China, content, determination of iron content, determination of sulfate content, and

DB63/T 1643-2018 Determination of fixed carbon content in carbonate-containing graphite ores Acid-soluble separation and subtraction weight method

Professional Standard - Petroleum, content, determination of iron content, determination of sulfate content, and

SY/T 0536-2008 Determination of salt content in crude petroleum.Coulometric titration method
SY 0536-2008 Determination of Salt Content in Crude Oil by Coulometry