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Ammonium ion content

Ammonium ion content, Total:371 items.

In the international standard classification, Ammonium ion content involves: Water quality, Power stations in general, Construction materials, Sugar. Sugar products. Starch, Analytical chemistry, Production of metals, Non-ferrous metals, Inorganic chemicals, Non-metalliferous minerals, Road vehicles in general, Beverages, Soil quality. Pedology, Testing of metals, Products of the chemical industry, Fertilizers, Production in the chemical industry, Ferroalloys, Paint ingredients, Food products in general, Raw materials for rubber and plastics, Pulps, Paper and board, Vocabularies, Geology. Meteorology. Hydrology, Road engineering, Rubber, Plastics, Farming and forestry, Animal feeding stuffs, Iron and steel products, Organic chemicals, Ferrous metals, Edible oils and fats. Oilseeds, Particle size analysis. Sieving, Coals, Electronic components in general, General methods of tests and analysis for food products, Metalliferous minerals, Wood-based panels, Wastes, Burners. Boilers, Tea. Coffee. Cocoa, Cereals, pulses and derived products, Conducting materials, Powder metallurgy, Chipless working equipment, Refractories, Test conditions and procedures in general, Petroleum products in general.

ZA-SANS, Ammonium ion content

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 374:2005 Standard test methods for chloride ion in water

Professional Standard - Electricity, Ammonium ion content

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
DL/T 1494-2016 Determination of ammonia content in fly ash of coal-fired power plant.Ion chromatography method
DL/T 1857-2018 Determination of Chlorine Content in Coal Oxygen Bomb Combustion Ion Selective Electrode Method

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

GB/T 39701-2020 Limit and test method of ammonium ion content in fly ash
GB/T 37385-2019 Test method for chloride content of silicon—Ion chromatography method
GB/T 38216.2-2019 Steel slag—Determination of fluoride content and chloride content—Ion chromatography
GB/T 37861-2019 Determination of halogen in electrical and electronic products—Ion chromatography method
GB/T 41068-2021 Nanotechnologies—Determination of water-soluble anions content in graphene powder—Ion chromatography method
GB/T 6730.28-2021 Iron ores—Determination of fluorine content—Ion-selective electrode method
GB/T 38233-2019 Iron-bearing dust and sludge- Determination of lead and zinc content- Inductively coupled plasma atomic emission spectrometry
GB/T 39144-2020 Test method for magnesium content in gallium nitride materials—Secondary ion mass spectrometry
GB/T 39285-2020 Method for chemical analysis of palladium compounds—Determination of chlorine content—Ion chromatography
GB/T 40111-2021 Standard test method for fluorine,chlorine and sulfur in petroleum products—Combustion-ion chromatography

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Ammonium ion content

GB/T 11446.7-1997 Test method for trace chloride, nitrate, phosphate, sulfate in electronic grade water by ion-chromatography
GB/T 2947-2002 Determination of free water in urea and ammonium nitrate by karl fischer method
GB/T 23978-2009 Liquid dyes.Determination of chloride of chloride ion.Ion chromatography
GB/T 5009.167-2003 Determination of Fˉ,CLˉ,Brˉ,NO3ˉ,SO42ˉions in drinking water from natural mineral spring by reversed HPLC
GB/T 42276-2022 Determination of fluorine ion and chloride ion in silicon nitride powder—Ion chromatography method
GB/T 5560-2003 Nonionic surface active agents--Determination of polyethylene glycols and non-ionic active matter(adducts)--Weilbull method
GB/T 13173.3-1991 Determination of nonionic surface active agents in detergents.Ion exchange method
GB/T 31158-2014 Ionospheric total electron content (TEC) disturbance classification
GB/T 5757-2008 Determination of moisture holding capacity of ion exchange resins
GB/T 24890-2010 Determination of chloride content for compound fertilizers
GB/T 5757-1986 Determination for water retention capacity of ion exchange resins
GB/T 41946-2022 Rubber—Determination of total sulfur content—Ion chromatography method
GB/T 27581-2011 Electromagnetic interference shielding film.Electroless copper plating solution.Method of determining concentration of Ni and Cu
GB/T 11200.3-1989 Membrane process sodium hydroxide--Determination of calcium contents--Flame atomic absorption method
GB/T 6730.69-2010 Iron ores.Determination of fluoride and chloride content.Ion chromatography
GB/T 6730.28-2006 Iron ores.Determination of fluorine content.Ion-selective electrode method
GB/T 23273.7-2009 Methods for chemical analysis of cobalt oxalate.Part 7:Determination of sulfate ion content.Combusition-iodimetry
GB/T 5759-2000 Determination for water retention capacity of anion exchange resins in hydroxylic form
GB/T 42263-2022 Determination of nitrogen content in silicon single crystal—Secondary ion mass spectrometry method
GB/T 32794-2016 Pig iron contenting nickel.Determination of nickel, cobalt, chromium, copper, phosphorus content.Inductively coupled plasma atomic emission spectrometry
GB/T 4698.10-2020 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 10：Determination of chromium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry（with vanadium）
GB/T 42906-2023 Determination of Equivalent Boron Content in Graphite Materials Inductively Coupled Plasma Atomic Emission Spectrometry
GB/T 41704-2022 Test methods of cathode materials for lithium ion battery—Determination of magnetic impurities content and residual alkali content
GB/T 11989-2008 Anionic surface active agents.Determination of soluble matter content in light petroleum
GB/T 11989-1989 Anionic surface active agents--Determination of soluble matter content in light petroleum
GB/T 5174-2004 Surface active agents-Detergents-Determination of cationic-active matter content
GB/T 30906-2014 Determination of sodium tripolyphosphate content of sodium tripolyphosphate.Ion chromatography
GB/T 6730.64-2022 Iron ores—Determination of water soluble chloride content—Ion-selective electrode method
GB/T 5551-2010 Surface active agents.Determination for total calcium ion and magnesium ion contents in dispersing agents
GB/T 6730.64-2007 Iron ores.Determination of water soluble chloride content.Ion-selective electrode method

Guangxi Provincial Standard of the People's Republic of China, Ammonium ion content

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

BE-NBN, Ammonium ion content

NBN T 03-057-1979 Ammonium nitrate for industrial use - Determination of chloride ions content - Potentiometric method
NBN T 03-071-1979 Ammonium sulphate for industrial use - Determination of chloride ions content - Potentiometric method
NBN 589-206-1969
NBN B 11-004-1985
NBN T 03-043-1979 Nitric acid for industrial use - Determination of chloride ions content - Potentiometric method
NBN T 03-086-1988 Ammonium bicarbonate (Ammonium hydrogencarbonate) for industrial use (including foodstuffs) -Determination of lead content - Flame atomic absorption method
NBN-EN ISO 2871-1:1995

HU-MSZT, Ammonium ion content

YU-JUS, Ammonium ion content

JUS H.B8.814-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of the chloride content (as chlorine ion)
JUS H.B8.815-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of copper content - Atomic absorption spectrophotometric method
JUS H.G8.336-1987 Reagents. Ammonium acetate. Determination of calcium content Flame atomic absorption method
JUS H.G8.200-1985 Reagents. Ammonium chloride. Determination of calcium and magnesium contents. Flame atomic absorption method
JUS H.G8.199-1985 Reagents. Ammonium chloride. Determination of lead, copper, nickef and zine contents. Flame atomic absorption method
JUS H.G8.145-1985 Reagents. Ammonium sulphate. Determination of lead, copper, iron, cadmium, zine and calcium con- tenis. Flame atom/c absorption method
JUS H.E8.029-1992 Non-ionic surface active agents. Determination of sulfated ash. Gravimetric method
JUS H.G8.496-1991 Reagents. Ammonium iron (III) sulphate dodecahydrate. Determination of lead, copper, zinc and manganese contents. Flame atomic absorption method
JUS H.Z1.152-1987 Testing of industrial vvaters. Determination of non-ione surfactants
JUS H.Z1.145-1987 Testing of industrial vvaters. Detsrmination content of sodium by ion selective electrode

European Committee for Standardization (CEN), Ammonium ion content

EN ISO 14911:1999 Water Quality - Determination of Dissolved Li+, Na+, NH4+, K+, Mn2+, Ca2+, Mg2+, Sr2+ and Ba2+ Using Ion Chromatography - Method for Water and Waste Water ISO 14911:1998
EN ISO 2871-1:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 1: High-molecular-mass cationic-active matter
EN ISO 23470:2011 Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution (ISO 23470:2007)
EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)

AENOR, Ammonium ion content

UNE 83954:2008 Concrete durability. Aggresive water. Determinatin of the ion amonium content
UNE 83956:2008 Concrete durability. Water for mixing and aggresive water. Ion sulfate content.
UNE 83963:2008 Concrete durability. Aggresive soils for concrete. Determination of the ion sulfate content.
UNE-EN 12582:1999 SURFACE ACTIVE AGENTS - DETERMINATION OF THE POLYETHYLENE GLYCOL CONTENT ACCORDING TO MOLAR MASS IN NON-IONIC SURFACE AGENTS (ETHOXYLATED) BY HPLC/ELSD.
UNE 83955:2008 Concrete durability. Aggresives water. Determination of ion magnesium content.
UNE-EN ISO 2871-1:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 1: High-molecular-mass cationic-active matter (ISO 2871-1:2010)
UNE-EN ISO 2871-2:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2: Cationic-active matter of low molecular mass (between 200 and 500) (ISO 2871-2:2010)

Group Standards of the People's Republic of China, Ammonium ion content

T/QAS 072-2021 Determination of ammonium ion content in potassium chloride Titration method after distillation
T/CNIA 0105-2021 Determination of Oxalate Ion Content in Alumina Production Process by Ion Chromatography
T/QAS 074-2021 Determination of Sulfate Content in Lithium Carbonate by Inductively Coupled Plasma Emission Spectrometry
T/CNIA 0119-2021 Determination of trace anions in high-purity nitric acid for the electronics industry by ion chromatography
T/CNIA 0117-2021 Determination of trace anion content in high-purity hydrofluoric acid for electronics industry Ion chromatography
T/NAIA 099-2021 Determination of Inorganic Anion and Cation Content in Facility Soil by Ion Chromatography
T/QAS 014-2020 Determination of Chloride Ion Content in Fertilizer Potentiometric Titration
T/NAIA 035-2021 Determination of Sulfur Dioxide Content in Wolfberry by Ion Chromatography
T/SBX 029-2019 Mercury Salt Titration Method for Determination of Trace Chloride Ion Content in Water-Insoluble Organic Amines
T/LFX 005-2023 Rapid detection method of chloride ion in inorganic fertilizer
T/CSTM 00014-2019 Iron and steel-Determination of silicon content- Inductively coupled plasma atomic emission spectrometric method
T/CMES 08007-2020 Determination of manganese, iron and phosphorus content by inductively coupled plasma atomic emission spectrometry
T/QAS 073-2021 Determination of Calcium and Iron Content in Sodium Hydroxide by Inductively Coupled Plasma Emission Spectrometry
T/NXCL 024-2023 Method for chemical analysis of beryllium — Determination of beryllium oxide content—Inductively coupled plasma atomic emission spectrometry

Association Francaise de Normalisation, Ammonium ion content

NF T90-048*NF EN ISO 14911:1999 Water quality - Determination of dissolved Li+, Na+, NH 4+, K+, Mn 2+, Ca 2+, Mg 2+, Sr 2+ and Ba 2+ using ion chromatography - Method for water and waste water.
NF T20-586:1965 Chemical analysis of ammonium nitrate for technical use. Test of maximum sulphate ion content.
NF T90-014:1952 WATER TESTING. DETERMINATION OF CHLORINE IONS.
NF EN ISO 12624:2022 Produits isolants thermiques pour les équipements de bâtiments et les installations industrielles - Détermination des faibles quantités d'ions chlorure, fluorure, silicate et sodium solubles dans l'eau et mesure du pH
NF T20-541:1986 Ammonium bicarbonate (ammonium hydrogencarbonate) for industrial use (including foodstuffs). Determination of lead content. Flame atomic absorption method.
NF V18-110:1986 Animal feeding stuffs. Determination of free and total gossypol.
NF T90-009:1986 Testing water - Determination of sulphate ions - Gravimetric method.
NF EN 13366:2001 Engrais - Traitement avec une résine échangeuse d'ions cationique pour la détermination de la teneur en oligo-éléments chélatés et de la fraction chélatée des oligo-éléments
NF T90-004:1985 Testing water. Determination of fluoride ion. Potentiometric method.
NF A20-428*NF ISO 4694:1987 Iron ores. Determination of fluorine content. Ion-selective electrode method.
NF EN ISO 2871-1:2010 Agents de surface - Détergents - Détermination de la teneur en matière active cationique - Partie 1 : matière active cationique à haute masse moléculaire
NF T73-320-2*NF EN ISO 2871-2:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2 : cationic-active matter of low molecular mass (between 200 and 500).
NF T73-320-1*NF EN ISO 2871-1:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 1 : high-molecular-mass cationic-active matter.
NF T73-320:1994 Surface active agents. Detergents. Determination of cationic-active matter content. Part 1 : high-molecular-mass cationic-active matter.
NF T73-321:1994 Surface active agents. Detergents. Determination of cationic-active matter content. Part 2 : cationic-active matter of low molecular mass (between 200 and 500).
NF T20-528:1980 Sodium and potassium silicates industrial use. Determination of ion content-1,10.
NF V03-767-1*NF EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1 : oilseeds and animal feeding stuffs.
NF EN ISO 2871-2:2010 Agents de surface - Détergents - Détermination de la teneur en matière active cationique - Partie 2 : matière active cationique à faible masse moléculaire (entre 200 et 500)
NF V05-225*NF ISO 11292:1995 Instant coffee. Determination of free and total carbohydrate contents. Method using high-performance anion-exchange chromatography.
NF T90-040:1986 Testing water - Determination of sulphate ions - Nephelometric method.
NF EN 13273:2001 Agents de surface - Détermination de la teneur en substances non-ioniques dans les agents de surface anioniques par chromatographie liquide à haute performance (CLHP)
NF T73-263*NF EN 13273:2001 Surface active agents - Determination of the contents of non-ionic susbstances in anionic surface active agents by high performance liquid chromatography (HPLC).
NF U42-165*NF EN 16109:2011 Fertilizers - Determination of complexed micro-nutrient ions in fertilizers - Identification of lignosulfonates.

工业和信息化部, Ammonium ion content

YS/T 1380-2020 Chemical analysis methods for rhodium compounds Determination of chloride ion and nitrate ion content Ion chromatography
YS/T 1569.4-2022 Methods for chemical analysis of lithium nickel manganate Part 4: Determination of sulfate content Ion chromatography
YS/T 1497-2021 Analysis method for platinum compounds Determination of impurity anion content Ion chromatography
YS/T 1496-2021 Analysis method for palladium compounds Determination of impurity anion content Ion chromatography
YS/T 1472.6-2021 Chemical analysis methods for lithium-rich manganese-based cathode materials Part 6: Determination of sulfate content? Ion chromatography
YB/T 4726.2-2018 Determination of chloride ion content in iron-containing dust sludge by silver nitrate titration method
HG/T 6108-2022 Determination method of chloride ion content in waste sulfuric acid
HG/T 5545-2019 Determination of nickel content in lithium-ion battery material waste
YS/T 1445.5-2021 Methods for chemical analysis of nickel-cobalt-aluminum three-element composite hydroxides Part 5: Determination of sulfate ion content Barium sulfate turbidimetric method
YS/T 1569.5-2022 Methods for chemical analysis of lithium nickel manganate Part 5: Determination of chloride ion content Ion selective electrode method
YS/T 1057.2-2020 Methods for chemical analysis of cobalt tetroxide Part 2: Determination of chloride ion content Ion selective electrode method
YB/T 6013.2-2022 Determination of chloride ion content in sintering flue gas desulfurization ash using potentiometric titration method
YS/T 1259-2018 Determination of fluoride ion content on the surface of zirconium alloy pipes by spectrophotometry
SJ/T 11795-2022 Test method for magnetic foreign matter content in lithium-ion battery electrode materials
HG/T 5938-2021 Determination of chloride ion content in humic acid fertilizers by automatic potentiometric titration

International Organization for Standardization (ISO), Ammonium ion content

ISO 3694:1977 Ammonium sulphate for industrial use; Determination of chloride ions content; Potentiometric method
ISO 3695:1977 Ammonium nitrate for industrial use; Determination of chloride ions content; Potentiometric method
ISO/CD TS 22171.2:2011 Soil quality — Determination of potential cation exchange capacity (CEC) and exchangeable cations buffered at pH 7, using a molar ammonium acetate solution
ISO/DTS 22171:2011 Soil quality — Determination of potential cation exchange capacity (CEC) and exchangeable cations buffered at pH 7, using a molar ammonium acetate solution
ISO/DIS 22171 Soil quality — Determination of potential cation exchange capacity (CEC) and exchangeable cations buffered at pH 7, using a molar ammonium acetate solution
ISO 19242:2015 Rubber - Determination of total sulfur content by ion chromatography
ISO 19242:2021 Rubber - Determination of total sulfur content by ion chromatography
ISO 2871-1:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 1: High-molecular-mass cationic-active matter
ISO 2871-1:1988 Surface active agents; detergents; determination of cationic-active matter content; part 1: high-molecular-mass cationic-active matter
ISO/TR 17055:2002 Steel - Determination of silicon content - Inductively coupled plasma atomic emission spectrometric method
ISO 4694:1987 Iron ores; Determination of fluorine content; Ion-selective electrode method
ISO 7110:1985 Ammonium bicarbonate (Ammonium hydrogen- carbonate) for industrial use (including foodstuffs); Detetrmination of lead content; Flame atomic absorption method
ISO 2871-2:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2: Cationic-active matter of low molecular mass (between 200 and 500)
ISO 2871-2:1990 Surface active agents; detergents; determination of cationic-active matter content; part 2: cationic active matter of low molecular mass (between 200 and 500)
ISO 4907-2:2023 Plastics — Ion exchange resin — Part 2: Determination of water content of anion exchange resins in hydroxide form by centrifugation
ISO 3693:1977 Nitric acid for industrial use; Determination of chloride ions content; Potentiometric method
ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
ISO 12739:2006 Zinc sulfide concentrates - Determination of zinc - Ion-exchange/EDTA titrimetric method
ISO/TS 18223:2015 Nickel alloys - Determination of Nickel content - Inductively coupled plasma atomic emission spectrometric method
ISO 11435:2011 Nickel alloys - Determination of molybdenum content - Inductively coupled plasma/atomic emission spectrometric method
ISO 10278:1995 Steel - Determination of maganese content - Inductively coupled plasma atomic emission spectrometric method
ISO 9517:2007 Iron ores - Determination of water-soluble chloride - Ion-selective electrode method
ISO 9517:1989 Iron ores; determination of water soluble chloride content; ion-selective electrode method

Anhui Provincial Standard of the People's Republic of China, Ammonium ion content

DB34/T 2192-2014 Determination of Chloride and Sulfate Content in High Purity Sodium Hydroxide by Ion Chromatography

RU-GOST R, Ammonium ion content

GOST 21138.2-1985 Chalk. Method for determination of sulphate ions content in water extract
GOST 34775-2021 Prepared (corrected) water for the manufacture of alcoholic beverages. Determination of the content of calcium, magnesium, sodium, potassium, ammonium ions by ion chromatography
GOST 15615-1979 Ion exchange rezins. Method for determination of chlorine ions content
GOST 31869-2012 Water. Methods for the determination of cations (ammonium, barium, potassium, calcium, lithium, magnesium, sodium, strontium) content using capillary electrophoresis
GOST R 53887-2010 Water. Methods for the determination of cations (ammonium, barium, potassium, calcium, lithium, magnesium, sodium, strontium) content using capillary electrophoresis
GOST 10898.1-1984 Ion-exchange resins. Determination of moisture content
GOST 20422-1989 Pulp, paper and board. Methods for determination of chloride-ions and sulphate-ions fraction of total mass
GOST 17818.18-1990 Graphite. Method for determination of chlorine ions in water extract
GOST 13979.11-1983 Cottonseed oilcakes and oilmeals. Determination of free gossypol content
GOST 21216.7-1993 Clay raw materials. Method for determination of chlorine ions in water extract
GOST 21138.3-1985 Chalk. Method for determination of chloride ions content in water extract
GOST R 50706.4-1994 Nitric acid for industrial use. Determination of chloride ions content. Potentiometric method
GOST 21216.8-1993 Clay raw materials. Method for determination of sulphate ions in water extract
GOST 19609.10-1989 Concentrated kaolin. Method for determination of chlorine ions in water extract
GOST R 51821-2001 Vodkas and special vodkas. Ion chromatography method of determination of potassium, sodium, ammonium, calcium, magnesium, strontium cations and fluorides, chlorides, nitrates, nitrites, phosphates and sulphates anions mass concentration
GOST R 51927-2002 Steel and cast iron. Atomic emission nith inductively coupled plasma spectral method of calcium determination
GOST 3594.2-1993 Moulding refractory clays. Method for the determination of concentration of exchange cations of calcium and vagnesium
GOST 3594.3-1993 Moulding refractory clays. Method for the determination of exchange cations content of sodium and patassium
GOST 19609.11-1989 Concentrated kaolin. Method for determination of sulphate ions in water extract
GOST R ISO 13898-3-2007 Steel and iron. Determination of nickel, copper and cobalt contents. Inductively coupled plasma atomic emission spectrometric method. Part 3. Determination of copper content
GOST R ISO 13898-4-2007 Steel and iron. Determination of nickel, copper and cobalt contents. Inductively coupled plasma atomic emission spectrometric method. Part 4. Determination of cobalt content
GOST R 52181-2003 Drinking water. Determination of anions content by ion chromatography and capillary electrophoresis methods
GOST R ISO 13898-2-2006 Steel and iron. Determination of nickel, copper and cobalt contents. Inductively coupled plasma atomic emission spectrometric method. Part 2. Determination of nickel content
GOST R 55761-2013 Batches, sugar mash, brew from food raw material. Determination mass concentration of cations, anions of non-organic and organic acids content by capillary electrophoresis method
GOST 19728.13-2001 Talc and talcomagnesite. Method for determination of chlorine ions in water extract
GOST 19728.13-1988 Talc and talcomagnesite. Method for determination of chlorine ions in water extract

The American Road & Transportation Builders Association, Ammonium ion content

AASHTO T 290-1995 Standard Method of Test for Determining Water-Soluble Sulfate Ion Content in Soil
AASHTO T 290-1995(R2007) Standard Method of Test for Determining Water-Soluble Sulfate Ion Content in Soil
AASHTO T290-1995 Standard Method of Test for Determining Water Soluble Sulfate Ion Content in Soil Twentieth Edition R(1999)
AASHTO T 291-1994 Standard Method of Test for Determining Water-Soluble Chloride Ion Content in Soil
AASHTO T 291-1994(R 2018) Standard Method of Test for Determining Water-Soluble Chloride Ion Content in Soil

Professional Standard - Agriculture, Ammonium ion content

NY/T 1121.18-2006 Soil Testing.Part 18:Method for determination of soil sulfate content
NY/T 1378-2007 Determination of Chloride Ion Content in Soil
231药典三部-2020 Content determination method 3110 sodium ion determination method
230药典三部-2020 Content determination method 3109 Potassium ion determination method
203药典四部-2015 3100 content determination method 3109 potassium ion determination method
204药典四部-2015 3100 content determination method 3110 sodium ion determination method
191药典四部-2020 3100 content determination method 3109 potassium ion determination method
192药典四部-2020 3100 content determination method 3110 sodium ion determination method
229药典三部-2020 Content determination method 3108 citrate ion determination method
211药典三部-2015 Content determination method 3109 Potassium ion determination method 56
202药典四部-2015 3100 content determination method 3108 citrate ion determination method
212药典三部-2015 Content determination method 3110 Sodium ion determination method 56
190药典四部-2020 3100 content determination method 3108 citrate ion determination method
210药典三部-2015 Content Determination Method 3108 General Rules of Citrate Ion Determination Method 55
NY/T 838-2004 Test method of Fluorine in tea - Electrode method for selection of Fluorine ion
NY/T 1121.17-2006 Soil Testing.Part 17:Method for determination of soil chloride iron content

AASHTO - American Association of State Highway and Transportation Officials, Ammonium ion content

T 290-1994 Standard Method of Test for Determining Water Soluble Sulfate Ion Content in Soil
T 290-1995 Standard Method of Test for Determining Water Soluble Sulfate Ion Content in Soil (Eighteenth Edition)
T 291-1994 Standard Method of Test for Determining Water-Soluble Chloride Ion Content in Soil
T291-1994 Standard Method of Test for Determining Water Soluble Chloride Ion Content in Soil

Henan Provincial Standard of the People's Republic of China, Ammonium ion content

DB41/T 778-2013 Determination of Chloride Ion Content in Chemical Fertilizers by Ion Chromatography

Korean Agency for Technology and Standards (KATS), Ammonium ion content

KS M ISO 23470-2008(2018) Soil quality－Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution
KS M ISO 2871-2007(2022) Surface active agents－Detergents－Determination of cationic-active matter content－High-molecular-mass cationic-active matter
KS M ISO 2871-2007(2017) Surface active agents－Detergents－Determination of cationic-active matter content－High-molecular-mass cationic-active matter
KS D ISO 11653-2003(2018) Steel－Determination of high cobalt content－Potentiometric titration method after separation by ion exchange
KS M ISO 2871-2-2007(2017) Surface active agents－Detergents－Determination of cationic-active matter content－Cationic-active matter of low molecular mass(between 200 and 500)
KS D ISO 11653:2003 Steel－Determination of high cobalt content－Potentiometric titration method after separation by ion exchange
KS B ISO TR 17055:2008 Steel－Determination of silicon content－Inductively coupled plasma atomic emission spectrometric method
KS E ISO 4694:2003 Iron ores－Determination of fluorine content－Ion-selective electrode method
KS E ISO 4694-2003(2019) Iron ores－Determination of fluorine content－Ion-selective electrode method
KS M ISO 2871-2-2007(2022) Surface active agents－Detergents－Determination of cationic-active matter content－Cationic-active matter of low molecular mass(between 200 and 500)
KS F 2229-2009 Measuring method for the chloride ion content of polystyrene composite wood wool cement boards
KS F 2229-2009(2014) Measuring method for the chloride ion content of polystyrene composite wood wool cement boards
KS F 2717-2013(2018) Standard test method for chloride ion content in hardened concrete
KS B ISO TR 17055-2008(2018) Steel－Determination of silicon content－Inductively coupled plasma atomic emission spectrometric method
KS E ISO 12739:2007 Zinc sulfide concentrates－Determination of zinc content－Ion-exchange and EDTA titrimetric method
KS D ISO 10278:2003 Steel-Determination of manganese content-Inductively coupled plasma atomic emission spectrometric method
KS D ISO 11435:2006 Nickel alloys－Determination of molybdenum－Inductively coupled plasma atomic emission spectrometric method
KS D ISO TS 18223:2018 Nickel alloys — Determination of Nickel content — Inductively coupled plasma atomic emission spectrometric method
KS M ISO 2871-2:2007 Surface active agents－Detergents－Determination of cationic-active matter content－Cationic-active matter of low molecular mass(between 200 and 500)
KS F 2229-2016 Measuring method for the chloride ion content of polystyrene composite wood wool cement boards
KS E ISO 12739-2007(2022) Zinc sulfide concentrates－Determination of zinc content－Ion-exchange and EDTA titrimetric method
KS H ISO 11292-2007(2012) Instant coffee－Determination of free and total carbohydrate contents－Method using high-performance anion-exchange chromatography
KS H ISO 11292-2007(2021) Instant coffee－Determination of free and total carbohydrate contents－Method using high-performance anion-exchange chromatography
KS M ISO 2871:2007 Surface active agents－Detergents－Determination of cationic-active matter content－High-molecular-mass cationic-active matter
KS E ISO 9517:2010 Iron ores-Determination of water-soluble chloride-Ion-selective electrode method

Professional Standard - Aviation, Ammonium ion content

HB 5220.41-1995 Chemical Analysis Method of High Temperature Alloy Chloroborate Ion Selective Electrode Method for Determination of Boron Content
HB/Z 5089.1-2004 Methods for analysis of plating black nickel solutions Part 1:Determination of ammonium nickel sulfate content by ion selective electrode method
HB 5220.41-2008 Methods for chemical analysis of superalloys. Part 41: Determination of boron content by fluoroborate ion selective electrode method
HB 5220.12-1995 Method for chemical analysis of superalloys Zinc oxide separation-ferrous ammonium sulfate volumetric method for determination of manganese content
HB 5220.12-2008 Methods for chemical analysis of superalloys. Part 12: Determination of manganese content by zion oxide separation-ammonium ferrous sulfate volumetric method
HB 7064.5-1994 Metal heat treatment salt bath chemical analysis method for the determination of chloride ion content by argentometric method
HB/Z 5108.2-1999 Analytical method of phosphating solution Determination of chloride ion content by visual turbidimetry

Institute of Interconnecting and Packaging Electronic Circuits (IPC), Ammonium ion content

IPC TM-650 2.3.26.2-1995 Mobile Ion Content of Polymer Films

Taiwan Provincial Standard of the People's Republic of China, Ammonium ion content

CNS 5862-1984 Method of Test for Sulfate Ion in Water and Wastewater (Gravimetric Method)
CNS 5590-1980 Method of Test for Chloride in Trichlorotrifluoroethane
CNS 13407-1998 Method of test for water-soluble chloride ion content in fine aggregate
CNS 7067-1981 Determination of Free Gossypol in Cottonseed Meal or Cake (Feed Grade)
CNS 13465-1995 Method of Test for the Water Soluble Chloride Ion Content of Fresh Concrete

RO-ASRO, Ammonium ion content

STAS 11277/14-1981 MINERAL WATKRS Determination of aluminium ion (Ai3F)
STAS 11327/6-1983 RUBBER STOPPERS FOR BLOOD, PLASMA AND SOLUTION BOTTLES FOR INJECTIONS AND PERFUSIONS Determination of ammonium, chlor and sulphate ions of aqueous extract
STAS 8934/12-1979 SALT (SODIUM CHLORIDE) Determination of suphate ions content
STAS 9475/4-1974 ION EXCHANGERS Determination of water content and apparent density
STAS SR ISO 6227:1996 Chemical products for industrial use - General method for determination of chloride ions - Potentiometric method

ES-UNE, Ammonium ion content

UNE 83963:2008 ERRATUM:2011 Concrete durability. Aggresive soils for concrete. Determination of the ion sulfate content.
UNE-EN 13273:2002 Surface active agents - Determination of the content of non-ionic substances in anionic surface active agents by high performance liquid chromatography (HPLC).

German Institute for Standardization, Ammonium ion content

DIN EN 12582:1999 Surface active agents - Determination of the polyethylene glycol content according to molar mass in non-ionic surface active agents (ethoxylated) by HPLC/ELSD; German version EN 12582:1999
DIN EN ISO 2871-1:2010-06 Surface active agents - Detergents - Determination of cationic-active matter content - Part 1: High-molecular-mass cationic-active matter (ISO 2871-1:2010); German version EN ISO 2871-1:2010
DIN EN ISO 15061:2001 Water quality - Determination of dissolved bromate - Method by liquid chromatography of ions (ISO 15061:2001); German version EN ISO 15061:2001
DIN EN 13435:2002 Surface active agents - Determination of free amine content of alkyl dimethyl betaines; German version EN 13435:2001
DIN EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); English version of DIN EN ISO 16634-1:
DIN 10780:2003 Instant coffee - Determination of free and total carbohydrate contents - Method using high-performance anion-exchange chromatography
DIN EN ISO 2871-2:2010-06 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2: Cationic-active matter of low molecular mass (between 200 and 500) (ISO 2871-2:2010); German version EN ISO 2871-2:2010
DIN EN 13273:2001 Surface active agents - Determination of the contents of non-ionic substances in anionic surface active agents by high performance liquid chromatograph (HPLC); German version EN 13273:2001
DIN EN 13273:2001-06 Surface active agents - Determination of the contents of non-ionic substances in anionic surface active agents by high performance liquid chromatograph (HPLC); German version EN 13273:2001

British Standards Institution (BSI), Ammonium ion content

BS EN 12582:1999 Surface active agents - Determination of the polyethylene glycol content according to molar mass in non-ionic surface active agents (ethoxylated) by HPLC/ELSD
BS EN 12582:1999(2009) Surface active agents - Determination of the polyethylene glycol content according to molar mass in non-ionic surface active agents (ethoxylated) by HPLC/ELSD
BS EN ISO 2871-2:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Cationic-active matter of low molecular mass (between 200 and 500)
BS ISO 19242:2015 Rubber. Determination of total sulfur content by ion chromatography
BS ISO 4907-2:2023 Plastics. Ion exchange resin - Determination of water content of anion exchange resins in hydroxide form by centrifugation
22/30446075 DC BS ISO 22171. Soil quality. Determination of potential cation exchange capacity (CEC) and exchangeable cations buffered at pH 7, using a molar ammonium acetate solution
BS EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
BS ISO 19242:2021 Tracked Changes. Rubber. Determination of total sulfur content by ion chromatography
DD ISO/TS 13899-3:2005 Steel. Determination of Mo, Nb and W contents in alloyed steel. Inductively coupled plasma atomic emission spectrometric method. Determination of W content
BS DD ISO/TS 13899-3:2006 Steel - Determination of Mo, Nb and W contents in alloyed steel - Inductively coupled plasma atomic emission spectrometric method - Determination of W content
BS ISO 13899-2:2005 Steel - Determination of Mo, Nb and W contents in alloyed steel - Inductively coupled plasma atomic emission spectrometric method - Determination of Nb Content
BS EN 13273:2001 Surface active agents - Determination of the content of non-ionic substances in anionic surface active agents by high performance liquid chromatography (HPLC)
BS 7020-19:1989 Analysis of iron ores. Method for the determination of fluorine content. Ion-selective electrode method
BS ISO 9517:2007 Iron ores - Determination of water-soluble chloride content - Ion-selective electrode method
BS 7020-19:1988 Analysis of iron ores. Method for the determination of fluorine content. Ion-selective electrode method
BS ISO 16560:2015 Surface active agents. Determination of polyethylene glycol content in nonionic ethoxylated surfactants. HPLC method
BS EN IEC 60754-3:2019 Test on gases evolved during combustion of materials from cables - Measurement of low level of halogen content by ion chromatography
22/30423465 DC BS ISO 4907-2. Plastics. Ion exchange resin. Part 2. Determination of water content of anion exchange resins in hydroxide form
BS EN ISO 2871-1:2010 Surface active agents - Detergents - Determination of cationic-active matter content - High-molecular-mass cationic-active matter
BS ISO 12739:2006 Zinc sulfide concentrates - Determination of zinc - Ion-exchange/EDTA titrimetric method

Professional Standard - Commodity Inspection, Ammonium ion content

SN/T 3911-2014 Determination of water soluble fluorine in building sands.Ion chromatography
SN/T 3121-2012 Determination of high cobalt content in Steel.Potentiometric titration method after separation by ion exchange
SN/T 3727-2013 Determination of iodide content in foods for export.Ion chromatography
SN/T 2762-2011 Determination of fluorine content in imported and exported graphite by ion chromatography
SN/T 3185-2012 Determination of halogen in crude oil.Oxygen bomb combustion-ion chromatography
SN/T 4041-2014 Determination of fluoride and bromide content in foods for export.lon chromatography

PL-PKN, Ammonium ion content

PN C89060-1959
PN C89085-14-1992 Epoxy resins Methods of testing Determination of ionic chlorine content

CZ-CSN, Ammonium ion content

CSN 64 0902-1988 Determination of moisture content of ion exchange resins
CSN 66 6140-1981 Method for determination of tho total content of freo polyethyloneglycols and active matter in non-ionic SAA.

Professional Standard - Traffic, Ammonium ion content

JT/T 1150-2017 Rapid measuring instrument for chloride ion of concrete

Japanese Industrial Standards Committee (JISC), Ammonium ion content

JIS K 6233:2016 Rubber -- Determination of total sulfur content by ion chromatography
JIS A 1154:2003 Methods of test for chloride ion content in hardened concrete
JIS A 1154:2012 Methods of test for chloride ion content in hardened concrete

National Metrological Verification Regulations of the People's Republic of China, Ammonium ion content

JJG 134-2017 Concrete Chloride Ion Content Rapid Tester

Liaoning Provincial Standard of the People's Republic of China, Ammonium ion content

DB21/T 610-1991 Determination of sulfate ions in soil soluble salts - EDTA volumetric method

NL-NEN, Ammonium ion content

NEN 6579-1985 Rain water- Potentiometric determination of hydronium ion content

International Truck and Engine Corporation (ITEC), Ammonium ion content

INTERN CEMS BT-41-2009 Determination Of The Presence Of Chloride Ions In Air Conditioner Refrigerant

International Federation of Trucks and Engines, Ammonium ion content

NAVISTAR CEMS BT-41-2009 Determination Of The Presence Of Chloride Ions In Air Conditioner Refrigerant

American Society for Testing and Materials (ASTM), Ammonium ion content

ASTM UOP434-83 Free Water and Volatile Hydrocarbon Content of Molecular Sieves
ASTM D512-04 Standard Test Methods for Chloride Ion In Water
ASTM D512-10 Standard Test Methods for Chloride Ion In Water
ASTM D512-12 Standard Test Methods for Chloride Ion In Water
ASTM D3561-11 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM C1816-15 Standard Practice for The Ion Exchange Separation of Small Volume Samples Containing Uranium, Americium, and Plutonium Prior to Isotopic Abundance and Content Analysis
ASTM C1816-16 Standard Practice for The Ion Exchange Separation of Small Volume Samples Containing Uranium, Americium, and Plutonium Prior to Isotopic Abundance and Content Analysis
ASTM D5996-96(2000) Standard Test Method for Measuring Anionic Contaminants in High-Purity Water by On-Line Ion Chromatography
ASTM D5987-96(2002) Standard Test Method for Total Fluorine in Coal and Coke by Pyrohydrolytic Extraction and Ion Selective Electrode or Ion Chromatograph Methods
ASTM D5987-96 Standard Test Method for Total Fluorine in Coal and Coke by Pyrohydrolytic Extraction and Ion Selective Electrode or Ion Chromatograph Methods
ASTM D5987-96(2007) Standard Test Method for Total Fluorine in Coal and Coke by Pyrohydrolytic Extraction and Ion Selective Electrode or Ion Chromatograph Methods
ASTM D4458-94(1999) Standard Test Method for Chloride Ions in Brackish Water, Seawater, and Brines
ASTM D3352-94(1999) Standard Test Method for Strontium Ion in Brackish Water, Seawater, and Brines
ASTM D3352-03 Standard Test Method for Strontium Ion in Brackish Water, Seawater, and Brines
ASTM D3352-03e1 Standard Test Method for Strontium Ion in Brackish Water, Seawater, and Brines
ASTM D3352-08a Standard Test Method for Strontium Ion in Brackish Water, Seawater, and Brines
ASTM D3352-15 Standard Test Method for Strontium Ion in Brackish Water, Seawater, and Brines

Danish Standards Foundation, Ammonium ion content

DS/EN 12582:1999 Surface active agents - Determination of the polyethylene glycol content according to molar mass in non-ionic surface active agents (ethoxylated) by HPLC/ELSD
DS/ISO 4694:2011 Iron ores - Determination of fluorine content - Ion-selective electrode method
DS/EN ISO 2871-1:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 1: High-molecular-mass cationic-active matter
DS/EN ISO 2871-2:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2: Cationic-active matter of low molecular mass (between 200 and 500)
DS/EN 13273:2001 Surface active agents - Determination of the content of non-ionic substances in anionic surface active agents by high performance liquid chromatograph (HPLC)

Lithuanian Standards Office , Ammonium ion content

LST EN 12582-2002 Surface active agents - Determination of the polyethylene glycol content according to molar mass in non-ionic surface active agents (ethoxylated) by HPLC/ELSD
LST EN ISO 2871-1:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 1: High-molecular-mass cationic-active matter (ISO 2871-1:2010)
LST EN 13273-2002 Surface active agents - Determination of the content of non-ionic substances in anionic surface active agents by high performance liquid chromatography (HPLC)
LST EN ISO 2871-2:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2: Cationic-active matter of low molecular mass (between 200 and 500) (ISO 2871-2:2010)

Professional Standard - Construction Industry, Ammonium ion content

JGJ/T 322-2013 Technical specification for test of chloride ion content in concrete

Shandong Provincial Standard of the People's Republic of China, Ammonium ion content

DB37/T 4201-2020 Rapid Screening and Detection Method for Chloride Ion Content in Cement

国家质量监督检验检疫总局, Ammonium ion content

SN/T 4762-2017 Determination of fluorine and chlorine content in coal by ion chromatography
SN/T 4772-2017 Determination of fluorine and chlorine content in artificial boards by ion chromatography

Professional Standard - Non-ferrous Metal, Ammonium ion content

YS/T 928.6-2013 Methods for chemical analysis of nickel cobalt manganese composite hydroxide.Part 6:Determination of sulfate ion contents.Ion chromatography
YS/T 1593.4-2023 Methods for chemical analysis of crude lithium carbonate— Part 4：Determination of anion contents— Ion chromatography
YS/T 833-2012 Methods for chemical analysis of ammonium rhenate.Determination of beryllium,magnesium,aluminium,potassium,calcium,titanium,chromium,manganese,iron,cobalt,copper,zin and molybdenum contents in ammonium rhenate.Inductively coupled plasma atomic emission sp
YS/T 1593.3-2023 Methods for chemical analysis of crude lithium carbonate—Part 3：Determination of fluoride ion content—Ion selective electrode method

TH-TISI, Ammonium ion content

TIS 1762.1-1999 Surface active agents.detergents.determination of cationic-active matter content.part 1: high-molecular-mass cationic-active matter
TIS 1762.2-1999 Surface active agents.detergents.determination of cationic-active matter content.part 2 : cationic-active matter of low molecular mass (between 200 and 500)

Professional Standard - Geology, Ammonium ion content

DZ/T 0064.28-2021 Methods of analysis of groundwater quality - Part 28: Determination of potassium, sodium, lithium and ammonium by ion chromatography

Professional Standard - Chemical Industry, Ammonium ion content

HG/T 3944-2007 Poly (vinyl chloride) resin.Determination of metal ions content.ICP method
HG/T 4199-2011 Determination of Fluorine Content in Inorganic Chemical Products by Ion Chromatography
HG/T 6107～6110-2022 Determination methods of sodium ions, chloride ion content, chemical oxygen demand (COD) and calcium and magnesium ions in waste sulfuric acid (2022)

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, Ammonium ion content

GB/T 32953-2016 Determination of melamine content for fertilizers—Ion chromatography(IC) method
GB/T 34208-2017 Iron and steel—Determination of antimony and tin content—Inductively coupled plasma atomic emission spectrometric method
GB/T 4702.15-2016 Chromium metal—Determination of lead,tin,bismuth,antimony and asenic content—Inductively coupled plasma mass spectrometric method

Professional Standard - Petrochemical Industry, Ammonium ion content

SH/T 0343-1992 Determination of Chlorine Content in Catalysts (Ion Selective Electrode Method)

海关总署, Ammonium ion content

SN/T 5305-2021 Determination of fluorine and chlorine content in lead concentrates by ion chromatography

Professional Standard - Ferrous Metallurgy, Ammonium ion content

YB/T 190.10-2014 Continuous casting mold powder.The determination of fluorine content.The ion selective electrode method
YB/T 4395-2014 Steel.Determination of molybdenum, niobium and tungsten contents.Inductively coupled plasma atomic emission spectrometric method
YB/T 4462-2015 High purity ferrosilicon.Determination of boron content.Inductively coupled plasma atomic emission spectrometric method

Indonesia Standards, Ammonium ion content

SNI 06-6876-2002 Test methods of ammonia content in water by ion selective electrode

National Metrological Technical Specifications of the People's Republic of China, Ammonium ion content

JJF(建材)148-2018 Calibration Specification for Distillation Instruments for Determination of Chloride Content in Cement
JJF(建材) 148-2018 Specification for calibration of distiller for determination of chloride ion content in cement

Jilin Provincial Standard of the People's Republic of China, Ammonium ion content

DB22/T 2105-2018 Determination of Polylactic Acid Content in Polylactic Acid Products by Ion Chromatography
DB22/T 2105-2014 Determination of Polylactic Acid Content in Polylactic Acid Products by Ion Chromatography
DB22/T 2910-2018 Determination of fluorine content in imported coal by alkali fusion-fluorine ion selective electrode method

KR-KS, Ammonium ion content

KS F 2717-2013(2023) Standard test method for chloride ion content in hardened concrete
KS D ISO TS 18223-2018 Nickel alloys — Determination of Nickel content — Inductively coupled plasma atomic emission spectrometric method

CEN - European Committee for Standardization, Ammonium ion content

EN ISO 23470:2018 Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution

Standard Association of Australia （SAA）, Ammonium ion content

AS 3515.4:2007 Gold and gold bearing alloys - Determination of gold content (greater than 99.95 percent) - Inductively coupled plasma - Atomic emission spectrometry

Yunnan Provincial Standard of the People's Republic of China, Ammonium ion content

DB53/T 897-2018 Determination of germanium content in coal by inductively coupled plasma atomic emission spectrometry

ES-AENOR, Ammonium ion content

ET-QSAE, Ammonium ion content

ES 519-2000

Hebei Provincial Standard of the People's Republic of China, Ammonium ion content

DB13/T 5590-2022 Determination of phosphorus, titanium, manganese, zinc, potassium and sodium in iron-containing dust and sludge - Inductively coupled plasma atomic emission spectrometry
DB13/T 5426-2021 Determination of Fluorine Content in Mold Flux and Furnace Slag Ion Selective Electrode Method
DB13/T 2856-2018 Determination of iron ore potassium and sodium content by inductively coupled plasma atomic emission spectrometry

VN-TCVN, Ammonium ion content

TCVN 7033-2002 Instant coffee.Determination of free and total carbohydrate contents.Method using high-performance anion-exchange chromatography

(U.S.) Ford Automotive Standards, Ammonium ion content

FORD FLTM AM 107-01-2001 DETERMINATION OF NITRITE IN ENGINE COOLANT BY ION CHROMATOGRAPHY