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Database: 365,228(8 Aug 2026)

Phosphate Assay

Phosphate Assay, Total:184 items.

The international standard classification for "Phosphate Assay" includes: Chemical laboratories. Laboratory equipment , Tobacco, tobacco products and related equipment , Chemical analysis , Salts , Other non-ferrous metals and their alloys , Fertilizers , Inorganic chemicals in general , Surface active agents , Power stations in general , Metallic coatings , Examination of water for chemical substances , Biology. Botany. Zoology , Geology. Meteorology. Hydrology .

The Chinese standard classification for "Phosphate Assay" includes: Hydrogeological survey , Electrochemical, thermochemistry and optical profile type analyzer , Tobacco , Basic standards and general methods for water treatment agent , Boiler and its auxiliary equipment , Rare metals and their alloys analysis method , Basic standards and general methods on chemical fertilizers , Chemical fertilizer and chemical soil conditioner , Inorganic chemicals in general , Basic standards and general methods for chemical additive , Chemical reagent in general , Electric power testing technique , Environmental Condition and General Test Method , Metal and alloy powder , Meteorology .


Anhui Provincial Standard of the People's Republic of China

  • DB34/T 2374-2015 Determination of Sulfate, Nitrate, Nitrite, Phosphate, Fluoride and Chloride in Coal Mine Water by Ion Chromatography
  • DB34/T 2507-2015 Determination of Methacryl Sulfonate, Chloride, Nitrate, Sulfate and Thiocyanate in Acrylic Solvent by Ion Chromatography

Professional Standard - Geology

  • DZ/T 0064.61-1993 Groundwater quality test methods - the determination of phosphate radical with phospho-molybdenum blue colorimetry
  • DZ/T 0064.49-1993 Groundwater quality test methods - the determination of carbonate, heavy carbonate and hydroxyl
  • DZ/T 0064.49-2021 Methods for analysis of groundwater quality-Part 49:Determination of carbonate,bicarbonate ions,hydroxy-Titrimetric method

Group Standards of the People's Republic of China

  • T/QAS 032-2021 Spectrophotometric method for the determination of hydrogen phosphate in brine
  • T/CIMA 0039-2023 Online phosphate monitor
  • T/QAS 048-2021 Volumetric Method for Determination of Carbonate and Bicarbonate in Brine
  • T/NAIA 012-2020 Determination of Soil Phosphatase Activity by Colorimetric Method of Disodium Phenyl Phosphate

Professional Standard - Tobacco

  • YC/T 275-2008 Determination of citrate,phosphate and acetate in cigarette paper—Ion chromatography method

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

  • GB/T 10512-1989 The determination of phosphorus content for nitrophosphate--Quinoline phosphomolybdate gravimetric method
  • GB/T 16484.14-2009 Chemical analysis methods of rare earth chloride a
  • GB 6913.2-1986 Determination of Phosphate Total Inorganic Phosphate
  • GB 6913.1-1986 Determination of Phosphate Orthophosphate
  • GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
  • GB/T 9984.2-1988 Sodium tripolyphosphate for industrial use--Determination of total phosphorus pentoxide content--Quinoline phosphomolybdate qravimetric method
  • GB/T 10512-2008 Determination of phosphorus content for nitrophosphate - Quinoline phosphomolybdate gravimetric method
  • GB/T 10209.3-2001 Determination of water content for monoammonium phosphate and diammonium phosphate
  • GB/T 14642-2009 Industrial circulating cooling water and boiler water - Determination of fluoride,chloride,phosphate,nitrite,nitrate and sulfate - Ion chromatography
  • GB/T 10209.3-2010 Determination of monoammonium phosphate and diammonium phoshpate - Part 3: Water content
  • GB/T 10209.2-2010 Determinationofmonoammoniumphosphateanddiammoniumphoshpate—
  • GB/T 6913.3-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Total phosphate
  • GB 6913.3-1986 Determination of Phosphate Total Phosphate
  • GB/T 11446.7-1997 Test method for trace chloride, nitrate, phosphate, sulfate in electronic grade water by ion-chromatography
  • GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
  • GB/T 9984.2-2004 Sodium tripolyphosphate for industrial use―Determination of total phosphorus (Ⅴ) oxide content―Quinoline phosphomolybdate gravimetric method
  • GB/T 10209.4-2001 Determination of particle size for monoammonium phosphate and diammonium phosphate
  • GB/T 10209.2-2001 Determination of available phosphous content for monoammonium phosphate and diammonium phosphate
  • GB/T 30906-2014 Determination of sodium tripolyphosphate content of sodium tripolyphosphate―Ion chromatography
  • GB/T 16484.14-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of phosphorus radicle content
  • GB/T 10209.4-2010 Determination of monoammonium phosphate and diammonium phoshpate—Part4:Particlesiz
  • GB/T 14642-1993 Industrial circulating cooling water and boiler waterdetermination of fluorine Choride phosphate Nitrite nitrate and sulfate-Ion chromatography
  • GB/T 6913.1-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Orthophosphates

Professional Standard - Agriculture

  • SN/T 5051-2018 Determination of fluorinion, chloridion, sulfate ion and nitrate ion in water soluble phosphate - Ion chromatography
  • SN/T 5056-2018 Determination of fluoride ion, nitrite ion, nitrate ion, phosphate ion and sulfate ion in sodium chloride by ion chromatography
  • 227药典 三部-2020 Content Determination Method 3106 Determination of Aluminum Hydroxide (or Aluminum Phosphate)
  • GB 10512-1989 The determination of phosphorus content for nitrophosphate-Quinoline phosphomolybdate gravimetric method

Professional Standard - Nuclear Industry

  • EJ/T 1231.2-2008 Test method for analysis of impurity in diuranate.Part2: Determination of phosphate by phoshocomolybdenum blue spectrophotometry

Professional Standard - Electricity

  • DL/T 954-2005 Analysis of water and steam in fossil fuel power plant Determination of fluoride acetate formate chloride nitrite nitrate phosphate and sulfate by ion chromatography

Professional Standard - Aviation

  • HB/Z 5108.3-1999 Analysis Method of Phosphating Solution - Determination of Sulfate Radical Content with Visual Turbidimetry

Professional Standard - Commodity Inspection

  • SN/T 2704.1-2010 Cutting fluid and machining process waste fluid—Part 1:Determination of phosphate—Ion chromatography
  • SN/T 4310-2015 Determination of chloride,nitrate and sulphate in phosphoric acid for import and export - Ion chromatography

工业和信息化部

  • YB/T 4532-2016 Ferrophosphorus. Determination of phosphorus content. Acid-base titration method
  • YB/T 6013.1-2022 Sintering flue gas desulphurization ash--Determination of sulfate andsulfite content--Sarium sulfate gravimetric method

Professional Standard - Chemical Industry

  • HG/T 2220-1991 Triple Superphosphate - Determination of Phosphorus Content - Phosphorus Molybdic Acid Quinoline Weight Method
  • HG 2220-1991 Determination of phosphorus content in double superphosphate quinoline phosphomolybdate gravimetric method

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

  • JJF 1567-2016 Calibration Specification for Phosphate Analyzers

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 39305-2020 Reclaimed water quality—Determination of fluoride,chloride,nitrite,nitrate,sulfate—Ion chromatography
  • GB/T 40183-2021 Determination of DNA methylation—Pyrosequencing

Professional Standard - Coal

  • MT/T 743.2-2011 Determination of Phosphorus in Orthophosphate in Mine Water
  • MT/T 743.3-2011 Determination of Phosphorus in Hydrolysable Phosphate in Mine Water
  • MT/T 743.3-1997 Determination of phosphorus in hydrolysable phosphate in mine water

Taiwan Provincial Standard of the People's Republic of China

  • CNS 6198-1980 Determination of Acidity of Tritolyl Phosphate for Industrial Use(Volumetric Method)
  • CNS 9184-1982 Methods of Test for Phosphate Ion in Industrial Waste Water - Stanous Chloride Method

Guangxi Provincial Standard of the People's Republic of China

  • DB45/T 1152-2015 Ion Chromatography Method for Detection of Sulfite Ion and Phosphate Ion Content in Intermediate Products of Sugar Production Process

Professional Standard - Non-ferrous Metal

  • YS/T 1028.3-2015 Methods for chemical analysis of lithium iron phosphate―Part 3:Determination of phosphor content―Quinoline phosphomolybdate gravimetry

Professional Standard - Petroleum

  • SY/T 6039-1994 Carbonate Rock Carbon Oxygen Isotope Determination Phosphoric Acid Method

Liaoning Provincial Standard of the People's Republic of China

  • DB21/T 608-1991 Determination of carbonate and bicarbonate ions in soil soluble salts - double indicator titration method

Yunnan Provincial Standard of the People's Republic of China

  • DB53/T 477-2013 Determination of phosphorus pentoxide content in phosphate rock Citric acid-aluminum nitrate-nitric acid dissolved sample phosphomolybdic acid quinoline volumetric method

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

  • GB/T 35665-2017 Determination of formate and acetate in the wet precipitation―Ion chromatography

国家质量监督检验检疫总局

  • SN/T 4590-2016 Determination of sodium PyroPhosPhate,sodium tripolyphosPhate and sodium trimetaphosphate in aquatic products for export-Ion chromatography

Korean Agency for Technology and Standards (KATS)

  • KS M 0114-1987 Testing methods for Phosphate ion and phosphorus compound of industrial water
  • KS M 1045-2013 Reference materials-Standard solution-Phosphate ion
  • KS M ISO 3357-2022 Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
  • KS M 0113-1987 Testing methods for Nitrite ion and NITRATE IONS of industrial water
  • KS M ISO 3357:2012 Sodium tripolyphosphate and sodium pyrophosphate for industrial use-Determination of total phosphorus(V) oxide content-Quinoline phosphomolybdate gravimetric method
  • KS M ISO 3357:2017 Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
  • KS M ISO 6598-2007(2012) Fertilizers-Determination of phosphorus content-Quinoline phosphomolybdate gravimetric method
  • KS M ISO 3357-2017(2022) Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
  • KS M ISO 6598-2013 Fertilizers-Determination of phosphorus content-Quinoline phosphomolybdate gravimetric method
  • KS I ISO 6878:2007 Water quality-Determination of phosphorus-Ammonium molybdate spectrometric method
  • KS M ISO 2997-2017(2022) Phosphoric acid for industrial use-Determination of sulphate content-Method by reduction and titrimetry
  • KS E ISO 6127-2002(2017) Chromium ores-Determination of phosphorus content-Reduced molybdophosphate photometric method

SCC

  • BS EN ISO 10304-2:1997 Water quality. Determination of dissolved anions by liquid chromatography of ions-Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
  • BS EN ISO 10304-1:1995 Water quality. Determination of dissolved anions by liquid chromatography of ions-Determination of fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions. Method for water with low contamination
  • BS 4427-7:1974 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Estimation of tripolyphosphate (triphosphate) content of sodium tripolyphosphate
  • BS 4258-3:1975 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use-Determination of sulphate content
  • BS 4427-8:1974 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Determination of orthophosphate content
  • BS 4427-3:1969 Methods of test for sodium tripolyphosphate ($7Ipenta$7Rsodium triphosphate) and sodium pyrophosphate ($7Itetra$7Rsodium pyrophosphate).-Determination of iron content
  • BS 4427-9:1975 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Determination of fluorine content
  • BS 4258-9:1978 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use-Determination of chloride content
  • BS 4258-5:1975 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use-Determination of silica content
  • BS 4427-11:1976 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial useSeparation by column chromatography and determination of the different phosphate forms

Association Francaise de Normalisation

  • NF T20-475:1973 PHOSPHORIC ACID FOR INDUSTRIAL USE; DETERMINATION FOR ARSENIC CONTENT; SILVER DIETHYLDITHIOCARBAMATE PHOTOMETRIC METHOD.
  • NF T20-487:1973 SODIUM TRIPOLYPHOSPHATE AND PYROPHOSPHATE FOR INDUSTRIAL USE ; DETERMINATION OF ORTHOPHOSPHATE; PHOTOMETRIC METHOD USING REDUCED PHOSPHOMOLYBDIC COMPLEX.
  • NF U42-245*NF ISO 6598:1987 Fertilizers - Determination of phosphorus content - Quinoline phosphomolybdate gravimetric method.
  • NF T20-486:1973 SODIUM TRIPOLYPHOSPHATE AND PYROPHOSPHATE FOR INDUSTRIAL USE ; DETERMINATION OF TOTAL PHOSPHORIC PENTOXIDE ; GRAVIMETRIC METHOD USING QUINOLINE PHOSPHOMOLYBDATE.
  • NF T90-023*NF EN ISO 6878:2005 Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method.
  • NF T73-702:1977 Washing powders. Determination of total phosphorus (V)oxide content.quinoline phosphomolybdate gravimetric method.
  • NF ISO 6598:1987 Fertilizers - Phosphorus dosage - Gravimetric method using quinoline phosphomolybdate
  • NF T20-491:1973 SODIUM PYROPHOSPHATE FOR INDUSTRIAL USE.ESTIMATION OF PYROPHOSPHATE CONTENT. POTENTIOMETRIC METHOD.

GSO

  • NB/T 11533-2024 Determination of chloride, fluoride, bromide, sulfate, nitrate, nitrite and phosphate content in coal mine water - Ion chromatography
  • GSO ISO 3357:2015 Sodium tripolyphosphate and sodium pyrophosphate for industrial use -- Determination of total phosphorus(V) oxide content -- Quinoline phosphomolybdate gravimetric method
  • GSO ISO 6598:2009 Fertilizers - Determination of phosphorus content - Quinoline phosphomolybdate gravimetric method
  • OS GSO ISO 6598:2009 Fertilizers - Determination of phosphorus content - Quinoline phosphomolybdate gravimetric method

DIN

  • DIN EN ISO 10304-2:1996 Determination of dissolved anions in water by liquid chromatography - Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate anions in waste water (ISO 10304-2:1995)

RU-GOST R

TR-TSE

  • TS 2054-1975 SODIUM TRIPOLYPHOSPHATE AND SODIUM PYROPHOSPHATE FOR INDUSTRIAL USE — DETERMIN ATION OF ORTHOPHOSPHATE CONTENT — PHOTOMETRIC METHOD USING THE REDUCED MOLYBDOPHOSPHATE
  • TS 2928-1978 PHOSPHORIC ACID FOR INDUSTRIAL USE (INCLUDING FOODSTUFFS) — DETERMINATION OF TOTAL PHOSPHORUS (V) OXIDE CONTENT — QUINOLINE PHOSPHOMOLYBDATE GRAVIMETRIC METHOD
  • TS 760-1969 PHOSPHORIC ACID FOR INDUSTRIAL USE DETERMINAT?ON OF SULPHATE CONTENT VO?.UMATRTC METHOD

YU-JUS

  • JUS H.G8.472-1991 Reacjents. Orthophosphpric acid. Determination of orthophosphoric acid content. Volumetric method
  • JUS H.B8.350-1982 Boric acid for industrial use. Determination of phosphate content Reduced phosphomolybdate spec trop ho tome trk: method
  • JUS H.G8.456-1991 Reageats. Potassium sulphats. Determination of pbospbate fc.d?ieot. Spectrophotometric metho?
  • JUS H.B8.291-1999 Fertilizers - Determination of phosphorus content - Magnesium pyrophosphate gravimetric method

CZ-CSN

  • CSN ISO 6676:1992 Acid-grade fluorspar - Determination of total phosphorus content - Molybdophosphate photometric method

BE-NBN

  • NBN T 03-296-1980 Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of orthophosphate content - Photometric method using the reduced molybdophosphate
  • NBN T 03-299-1980 Sodium tripolyphosphate and sodium pyrophosphate for industrial use -Determination of total phosphorus(V) oxide content - Quinoline phospho-molybdate gravimetrie method
  • NBN T 03-297-1980 Sodium pyrophosphate for industrial use - Estimation of pyrophosphate content - Potentiometric method
  • NBN 682-1965 Phosphate determination
  • NBN T 03-546-1983 Acid-grade fluorspar - Determination of total phosphrus content -Molybdophosphate photometric method
  • NBN T 03-300-1980 Sodium tripolyphosphate and sodium pyrophosphate for industrial use -Separation by column chromatography and determination of the different phosphate forms

South African Bureau of Standard

  • SANS 163-2:1995 Water quality - Determination of dissolved anions by liquid chromatography of ions Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
  • SANS 163-1:1992 Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions Part 1: Method for water with low contamination
  • SANS 6878:2006 Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method

RO-ASRO

  • STAS 11624/1-1983 PHOSPHATING SOLUTIONS Determination of phosphoric acid, azotic acid and sodiimi nitrate
  • STAS SR 13374-1998 Sodium chloride. Determination of nitrite. Titrimetric Method
  • SR 8379-9-1997 Superfosphate - Total phosphore content determination

British Standards Institution (BSI)

  • BS 4427-2:1969 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Measurement of pH value of sodium tripolyphosphate
  • BS 4427-10:1976 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method
  • BS 4258-7:1978 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method
  • BS 4427-4:1969 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Determination of loss on ignition
  • BS 4427-5:1974 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Determination of particle size distribution
  • BS 4427-1:1969 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Determination of matter insoluble in water in sodium tripolyphosphate
  • BS 4258-7:1978(1999) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 7 : Determination of total phosphorus (V) oxide content : quinoline phosphomolybdate gravimetric method
  • BS 4427-4:1969(2011) Methods of test for Sodium tripolyphosphate (penta sodium triphosphate) and sodium pyrophosphate (tetra sodium pyrophosphate) — Part 4 : Determination of loss on ignition
  • BS 4427-1:1969(2011) Methods of test for Sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) — Part 1 : Determination of matter insoluble in water in sodium tripolyphosphate
  • 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 4258-4:1975 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of fluorine content
  • BS 4258-2:1989 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of iron content
  • BS 4427-11:1983 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Separation by column chromatography and determination of the different phosphate forms
  • BS 4258-5:1989 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of silica content
  • BS 4258-6:1976 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of arsenic content
  • BS 4258-3:1989(1999) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 3 : Determination of sulphate content
  • BS 4258-4:1976 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of fluorine content
  • 24/30474179 DC BS ISO 622 Coal and coke - Determination of phosphorus - Reduced molybdophosphate photometric method
  • BS 4427-3:1989 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Condensed phosphates for industrial use (including foodstuffs): determination of iron content
  • BS 4258-2:1989(2000) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 2 : Determination of iron content
  • BS 4258-11:1982 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of lead content (atomic absorption spectrometric method)
  • BS 4258-4:1975(1999) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 4 : Determination of fluorine content
  • BS 4427-5:1974(2011) Methods of test for Sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use — Part 5 : Determination of particle size distribution
  • BS 4258-13:1990 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of soluble sulphate content (potentiometric method)

International Organization for Standardization (ISO)

  • ISO 2998:1994 Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of orthophosphate content; Photometric method using the reduced molybdophosphate
  • ISO 6676:1981 Acid-grade fluorspar — Determination of total phosphorus content — Molybdophosphate photometric method
  • ISO 2998:1974 Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of orthophosphate content; Photometric method using the reduced molybdophosphate
  • ISO 2999:1974 Sodium pyrophosphate for industrial use; Estimation of pyrophosphate content; Potentiometric method
  • ISO 3357:1975 Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of total phosphorus(V) oxide content; Quinoline phosphomolybdate gravimetric method
  • ISO 6878:1998 Water quality - Spectrometric determination of phosphorus using ammonium molybdate
  • ISO 6676:1990 Acid-grade and ceramic-grade fluorspar — Determination of total phosphorus content — Reduced-molybdophosphate spectrometric method
  • ISO 6878:2004 Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method

PL-PKN

  • PN C87015-1988 Ferilizers Methods for determination of phosphates
  • PN C04528-1990 Chemical analysis Determination of phosphates by ?uinoline phosphomolybdate Yolumetric method

American Society for Testing and Materials (ASTM)

  • ASTM E1070-00 Standard Test Method for Determination of Phosphorus in Iron Ores by the Phosphometric Method
  • ASTM E1070-00(2005) Standard Test Method for Determination of Phosphorus in Iron Ores by the Phosphometric Method
  • ASTM RR-E01-1106 1968 E0278-Standard Test Method for Determination of Phosphorus in Iron Ores by Phosphomolybdate Coprecipitation and Nitric Acid Titrimetry
  • ASTM E278-21 Standard Test Method for Determination of Phosphorus in Iron Ores by Phosphomolybdate Coprecipitation and Nitric Acid Titrimetry
  • ASTM E278-96E1 Standard Test Method for the Determiniation of Phosphorus in Iron Ores by Phosphomolybdate Coprecipitation and Nitric Acid Titrimetry

NO-SN

  • NS 3094-1970 Portlandcement - Methods for determination of phosphorus

VN-TCVN

  • TCVN 6202-2008 Water quality.Determination of phosphorus.Ammonium molybdate spectrometric method
  • TCVN 6499-1999 Soil quality.Determination of phosphorus.Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution

KR-KS

  • KS M ISO 2997-2017 Phosphoric acid for industrial use-Determination of sulphate content-Method by reduction and titrimetry
  • KS I ISO 6878-2023 Water quality — Determination of phosphorus — Ammonium molybdate spectrometric method

PT-IPQ

  • NP 1312-1976 Phosphoric acid used in industry. Measuring the sulfate content in polyphosphoric acid by volumetric method
  • NP 1311-1976 Phosphoric acid used in industry. Measuring the sulfate content in polyphosphoric acid by volumetric method

European Committee for Standardization (CEN)

  • EN 1189:1996 Water Quality - Determination of Phosphorus - Ammonium Molybdate Spectrometric Method