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Database: 365,228(8 Aug 2026)

Titration of zirconium ions

Titration of zirconium ions, Total:172 items.

The international standard classification for "Titration of zirconium ions" includes: Abrasives , Titanium and titanium alloys , Other non-ferrous metals and their alloys , Chemical analysis , Water quality , Surface active agents , Rubber , Fissile materials , Lead, zinc, tin and their alloys , Chemical analysis of metals , Aluminium and aluminium alloys , Plastics in general .

The Chinese standard classification for "Titration of zirconium ions" includes: Rare metals and their alloys analysis method , Basic standards and general methods for water treatment agent , Tooth paste, soap and detergent , Rubber products in general , Basic standards and general methods for surface active agent , Nuclear material, nuclear fuel and their analytical test method , Heavy metals and their alloys analysis method , Analysis methods for toxic substances in water , Precious metals and its alloy analysis method , Light metals and their alloys analysis method , Rare refractory metals and their compounds , Technical Management .


Professional Standard - Commodity Inspection

  • SN/T 3121-2012 Determination of high cobalt content in Steel-Potentiometric titration method after separation by ion exchange
  • SN/T 1633-2005 Determination of zirconia(hafnium) oxide in zirconia-alumina--Back titration with zirconium oxychloride standard solution
  • SN/T 2264-2009 Determination of Cu|| Fe|| Mg|| Mn|| Si|| Ti|| V|| Zn and Zr in aluminum alloys - Inductively coupled plasma atomic emission spectrometry
  • SN/T 3515-2013 Iron, steel and alloy - Determination of boron, titanium, zirconium, niobium, tin, antimony, tantalum, tungsten and lead - Inductively coupled plasma mass spectrometric
  • SN/T 3318.1-2012 Chemical analysis of zircon - Part 1: Determination of Thorium, Uranium - Inductively coupled plasma atomic emission spectrometry
  • SN/T 3806-2014 Determination of niobium|| boron|| tungsten|| zirconium content in carbon steel|| alloy steel for import and export - Atomic emission spectroscopy of inductive coupling plasma

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

  • GB/T 5173-2018 Surface active agents—Detergents—Determination of anionic-active matter content—Direct two-phase titration procedure
  • GB/T 8151.18-2012 Methods for chemical analysis of zinc concentrates—Part 18:Determination of zinc content—Ion-exchange/Na2EDTA titrimetric method
  • GB 6365-1986 Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • GB/T 17863-1999 Determination of thorium in thorium ores N263 separation EDTA titration method
  • GB/T 13747.9-2022 Methods for chemical analysis of zirconium and zirconium alloys—Part 9:Determination of magnesium content—Flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry
  • GB/T 15453-1995 Industrial circulating cooling water Determination of chloride Silver nitrate titration method
  • GB/T 13747.10-2022 Methods for chemical analysis of zirconium and zirconium alloys—Part 10:Determination of tungsten content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry
  • GB/T 15253-1994 Rubber--Determination of tree Sulpher--Potentiometic titration method
  • GB/T 13747.3-2020 Methods for chemical analysis of zirconium and zirconium alloys-Part 3:Determination of nickel content-Dimethyglyoxime spectrophotometry and inductively coupled plasma atomic emission spectrometry
  • GB/T 6365-1986 Surface active agents; Determination of free alkalinity or free acidity; Titrimetric method
  • GB/T 13747.19-2017 Methods for chemical analysis of zirconium and zirconium alloys - Part 19: Determination of titanium content - Diantipyrylmethane spectrophotometry and the inductively coupled plasma atomic emission spectrometry
  • GB/T 13199-1991 Water quality--Determination of anionic detergent--Potentiometric method
  • GB/T 13747.16-2017 Methods for chemical analysis of zirconium and zirconium alloys - Part 16: Determination of chloric content - Silver chloride nephelometry and ion selective electrode method
  • GB/T 13747.27-2020 Methods for chemical analysis of zirconium and zirconium alloys—Part 27:Determination of trace impurities content—Inductively coupled plasma mass spectrometry
  • GB/T 15452-1995 Industrial circulating cooling water-Determination of calcium and magnesium-EDTA titration method
  • GB 5174-1985 Determination of Cationic Actives in Detergents by Direct Two-Phase Titration
  • GB/T 6365-2006 Surface active agents - Determination of free alkalinity or free acidity - Titrimetric method
  • GB/T 13747.20-2017 Methods for chemical analysis of zirconium and zirconium alloys - Part 20: Determination of hafnium content - Inductively coupled plasma atomic emission spectrometry
  • GB/T 5174-2018 Surface active agents—Detergents—Determination of cationic-active matter content—Direct two-phase titration procedure
  • GB/T 13747.2-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 2:Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry
  • GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7:Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry
  • GB/T 8151.1-2012 Methods for chemical analysis of zinc concentrates—Part 1:Determination of zinc content—Precipitate separation-Na2EDTA titrimetric method and extractive separation-Na2EDTA titrimetric method
  • GB/T 15452-2009 Industrial circulating cooling water - Determination of calcium and magnesium - EDTA titration method
  • GB/T 4698.13-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys - Part 13: Determination of zirconium content - EDTA complexometric titration and inductively coupled plasma atomic emission spectrometry
  • GB/T 13747.4-2020 Methods for chemical analysis of zirconium and zirconium alloys-Part 4:Determination of chromium content—Diphenylcarbazide spectrophotometry and inductively coupled plasma atomic emission spectrometry
  • GB/T 13747.25-2017 Methods for chemical analysis of zirconium and zirconium alloys- Part 25:Determination of niobium content- 2-( 5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry
  • GB/T 4698.13-1996 Sponge titanium, titanium and titanium alloys-Determination of zirconium content-EDTA complexometric titration method
  • GB/T 5173-1995 Active agents and detergents - Determination of anionic-active matter by direct two - Phase titration procedure
  • GB/T 13747.18-2022 Methods for chemical analysis of zirconium and zirconium alloys—Part 18:Determination of vanadium content—N-benzoyl-N-phenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
  • GB/T 5174-1985 Surface active agents-Detergents-Determination of cationic-active matter-Direct two-phase titrati
  • GB/T 13747.26-2022 Methods for chemical analysis of zirconium and zirconium alloys—Part 26:Determination of alloying and impurity elements content—Inductively coupled plasma atomic emission spectrometry

Ministry of Ecology and Environment of the People's Replublic of China

  • GB 13199-1991 Water quality-Determination of anionic detergent-Potentiometric method

Group Standards of the People's Republic of China

  • T/SBX 029-2019 Mercury Salt Titration Method for Determination of Trace Chloride Ion Content in Water-Insoluble Organic Amines
  • T/SDAS 921-2024 Soil carbon pool accounting - Determination of organic carbon in saline-alkali soils - Chloride ion subtraction-titration method
  • T/QAS 014-2020 Determination of Chloride Ion Content in Fertilizer Potentiometric Titration
  • T/QAS 072-2021 Determination of ammonium ion content in potassium chloride Titration method after distillation
  • T/NAIA 0174-2022 Determination of Cation Exchange Capacity of Calcareous Soil by Eluting Titration

Professional Standard - Non-ferrous Metal

  • YS/T 568.9-2008 Chemical analysis methods for zirconium oxide and hafnium oxide-Determination of Al Ca Mg Mn Na Ni Fe Ti Zn Mo V Zr content in hafnium oxide-Inductively coupled plasma atomic emission
  • YS/T 807.5-2012 Chemical Analysis Methods of Aluminum Hardeners - Part 5: Determination of Zirconium Content - EDTA Titrimetric Method
  • YS/T 372.21-2006 Methods for elementary analysis of precious alloy—Determination of zirconium content—EDTA complexometric titration
  • YS/T 1476-2021 Chemical Analysis Methods for Zircon Sand Determination of Barium Content Inductively Coupled Plasma Atomic Emission Spectrometry
  • YS/T 1259-2018 Determination of fluorine content on the surface of zirconium alloy tube-Spectrophotometry
  • YS/T 1652-2023 Texture testing of zirconium and zirconium alloy— Electron backscatter diffraction method

Jiangxi Provincial Standard of the People's Republic of China

  • DB36/T 689-2012 Chemical analysis method of ionic rare earth raw ore Determination of total amount of rare earth in ionic phase EDTA titration method

Professional Standard - Ferrous Metallurgy

  • YB/T 6013.2-2022 Sintering flue gas desulphurization ash--Determination ofchloride content--Potentimetric method
  • YB/T 4461-2015 High purity ferrosilicon. Determination of zirconium and molybdenum content. Inductively coupled plasma atomic emission spectrometric method
  • YB/T 4726.2-2018 Iron-bearing dust and sludge. Determination of chloride ion content. Silver aitrate titration method

Guangxi Provincial Standard of the People's Republic of China

  • DB45/T 1547-2017 Determination of zirconium in fireworks and firecrackers by inductively coupled plasma emission spectrometry

Professional Standard - Electron

  • SJ/T 11635-2016 Determination of carbonate ions in developing solutions for the electronics industry by automatic potentiometric titration
  • SJ/T 10905-1996 Determination of lead oxide in electronic glass - Extraction/EDTA complexometric titration method

Professional Standard - Chemical Industry

  • HG/T 5938-2021 Determination of chloride content in humic acid fertilizer一Automatic potentiometric titration
  • HG/T 3838-2006 Rubber. Determination of free sulphur. Potentiometic titration method
  • HG/T 3838-2008 Rubber - Determination of free sulphur - Potentiometric titration method

Liaoning Provincial Standard of the People's Republic of China

  • DB21/T 609-1991 Determination of chloride ions in soil soluble salts - silver phosphate titration method

Professional Standard - Water Conservancy

  • SL 80-1994 Determination of free carbon dioxide (Base titration method)

Professional Standard-Ships

  • CB 20042-2012 Methods for Iron alloy of copper.Determination of micro zirconium content.Inductively coupled plasma-atomic emission spectromertric method

Professional Standard - Agriculture

  • NY/T 1797-2009 Method for determination of free fatty acids content in rapeseed-Titrimetric method

American Society for Testing and Materials (ASTM)

  • ASTM D3049-89(1996)e1 Standard Test Method for Synthetic Anionic Ingredient by Cationic Titration
  • ASTM D3049-89(2024) Standard Test Method for Synthetic Anionic Ingredient by Cationic Titration
  • ASTM D3049-89(2003) Standard Test Method for Synthetic Anionic Ingredient by Cationic Titration
  • ASTM E1552-08 Standard Test Method for Determining Hafnium in Zirconium and Zirconium Alloys By Direct Current Plasma x2014; Atomic Emission Spectrometry
  • ASTM E1552-93(2002) Standard Test Method for Determining Hafnium in Zirconium and Zirconium Alloys Using the D-C Argon Plasma Spectrometer
  • ASTM E1552-15 Standard Test Method for Determining Hafnium in Zirconium and Zirconium Alloys By Direct Current Plasma—Atomic Emission Spectrometry
  • ASTM D3049-89(2009) Standard Test Method for Synthetic Anionic Ingredient by Cationic Titration
  • ASTM E1552-93(1998) Standard Test Method for Determining Hafnium in Zirconium and Zirconium Alloys Using the D-C Argon Plasma Spectrometer
  • ASTM D304-95(1999) Standard Specification for n -Butyl Alcohol (Butanol)
  • ASTM D3049-89(2016) Standard Test Method for Synthetic Anionic Ingredient by Cationic Titration
  • ASTM D1681-92(1997) Standard Test Method for Synthetic Anionic Active Ingredient in Detergents by Cationic Titration Procedure
  • ASTM D1681-05(2014) Standard Test Method for Synthetic Anionic Active Ingredient in Detergents by Cationic Titration Procedure
  • ASTM D1681-05 Standard Test Method for Synthetic Anionic Active Ingredient in Detergents by Cationic Titration Procedure
  • ASTM RR-D12-1012 1997 D6173-Test Method for Determination of Various Anionic Surfactant Actives by Potentiometric Titration

CZ-CSN

  • CSN 42 0689 Cast.13-1974 Chemical analysis of magnesium alloys. Determination of zirconium by the titration method
  • CSN 66 6141-1987 Surface active agents. Detergents. Deter- mination of anionicactive-matter (direct two-phase titration procedu?e)

GCC Standardization Organization

  • GSO ISO 11653:2014 Steel -- Determination of high cobalt content -- Potentiometric titration method after separation by ion exchange
  • GSO ISO 12739:2015 Zinc sulfide concentrates -- Determination of zinc -- Ion-exchange/EDTA titrimetric method
  • GSO ISO 2993:2015 Ammonium sulphate for industrial use -- Determination of free acidity -- Titrimetric method
  • GSO ISO 4314:2015 Surface active agents -- Determination of free alkalinity or free acidity -- Titrimetric method

Korean Agency for Technology and Standards (KATS)

  • KS D ISO 11653-2023 Steel — Determination of high cobalt content — Potentiometric titration method after separation by ion exchange
  • KS D ISO 11653-2003(2018) Steel-Determination of high cobalt content-Potentiometric titration method after separation by ion exchange
  • KS D ISO 11653:2003 Steel-Determination of high cobalt content-Potentiometric titration method after separation by ion exchange
  • KS E ISO 12739:2007 Zinc sulfide concentrates-Determination of zinc content-Ion-exchange and EDTA titrimetric method
  • KS E ISO 12739-2022 Zinc sulfide concentrates-Determination of zinc content-Ion-exchange and EDTA titrimetric method
  • KS E ISO 12739-2007(2022) Zinc sulfide concentrates-Determination of zinc content-Ion-exchange and EDTA titrimetric method
  • KS K 0195-2006 Non-ionic surface active agents-Determination of cloud point index-Volumetric method
  • KS M ISO 4314-2003(2018) Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • KS M ISO 4314-2023 Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • KS M ISO 4314:2003 Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • KS M ISO 4314-2003(2023) Surface active agents-Determination of free alkalinity or free acidity-Titrimetric method
  • KS E ISO 12739-2007(2017) Zinc sulfide concentrates-Determination of zinc content-Ion-exchange and EDTA titrimetric method
  • KS M ISO 2993-2022 Ammonium sulphate for industrial use — Determination of free acidity — Titrimetric method
  • KS M ISO 2993:2017 Ammonium sulphate for industrial use — Determination of free acidity — Titrimetric method
  • KS D 2573-1995 Methods for determination of nitrogen in zirconium and zirconium alloys
  • KS D 2591-1996(2021) Method for determination of niobium in zirconium and zirconium alloys
  • KS D 2586-2021 Methods for determination of oxygen in zirconium and zirconium alloys
  • KS D 2593-1991(2016) Method for determination of boron in zirconium and zirconium alloys
  • KS D 2573-2020 Methods for determination of nitrogen in zirconium and zirconium alloys
  • KS M ISO 2993-2017(2022) Ammonium sulphate for industrial use — Determination of free acidity — Titrimetric method
  • KS D 2584-2020 Methods for determination of carbon in zirconium and zirconium alloys
  • KS D 2579-1995 Methods for determination of nickel in zirconium and zirconium alloys
  • KS M ISO 2993:2002 Ammonium sulphate for industrial use-Determination of free acidity-Titrimetric method
  • KS D 2593-2021 Method for determination of boron in zirconium and zirconium alloys
  • KS D 2590-1991(2016) Method for determination of hafnium in zirconium and zirconium alloys
  • KS D 2580-2020 Methods for determination of chromium in zirconium and zirconium alloys
  • KS D 2576-1995 Methods for determination of silicon in zirconium and zirconium alloys
  • KS D 2575-2020 Methods for determination of cobalt in zirconium and zirconium alloys
  • KS D 2575-2015 Methods for determination of cobalt in zirconium and zirconium alloys
  • KS D 2585-2015 Methods for determination of hydrogen in zirconium and zirconium alloys

Kingdom of Bahrain Testing and Metrology Directorate

  • BH GSO ISO 11653:2016 Steel -- Determination of high cobalt content -- Potentiometric titration method after separation by ion exchange
  • BH GSO ISO 12739:2017 Zinc sulfide concentrates -- Determination of zinc -- Ion-exchange/EDTA titrimetric method
  • BH GSO ISO 2993:2017 Ammonium sulphate for industrial use -- Determination of free acidity -- Titrimetric method

International Organization for Standardization (ISO)

  • ISO 11653:1997 Steel - Determination of high cobalt content - Potentiometric titration method after separation by ion exchange
  • ISO 3693:1977 Nitric acid for industrial use; Determination of chloride ions content; Potentiometric method
  • ISO 3694:1977 Ammonium sulphate for industrial use; Determination of chloride ions content; Potentiometric method
  • ISO 12739:2006 Zinc sulfide concentrates - Determination of zinc - Ion-exchange/EDTA titrimetric method
  • ISO 12739:1997 Zinc sulfide concentrates - Determination of zinc content - Ion-exchange/EDTA titrimetric method
  • ISO 3695:1977 Ammonium nitrate for industrial use; Determination of chloride ions content; Potentiometric method
  • ISO 6227:1982 Chemical products for industrial use; General method for determination of chloride ions; Potentiometric method
  • ISO 4314:1977 Surface active agents; Determination of free alkalinity or free acidity; Titrimetric method
  • ISO 2871:1973 Surface active agents — Detergents — Determination of cationic-active matter — Direct two-phase titration procedure
  • ISO 2271:1972 Surface active agents — Detergents — Determination of anionic-active matter (Direct two-phase titration procedure)
  • ISO 23777:2023 Pulps — Kraft liquor — Determination of hydrosulphide ion concentration using potentiometric titration
  • ISO 2993:1974 Ammonium sulphate for industrial use; Determination of free acidity; Titrimetric method

Canadian General Standards Board (CGSB)

  • CGSB 2.11-94 17.3-CAN/CGSB-1994 Methods of Sampling and Testing of Soaps and Detergents Determination of the Anionic Active Ingredient Content (By Cationic Titration)

BE-NBN

  • NBN T 63-127-1980 Surface active agents - Detergents -Dermination of cationic-active matter - Direct two-phase titration
  • NBN T 63-131-1980 Surface active agents - DEermination of free alkalinity or free acidity - Titrimetric method
  • NBN T 03-067-1979 Ammonium sulphate for industrial use - Determination of free acidity - Titrimetric method
  • NBN T 63-122-1980 Surface active agents - Detergents- Determination of anionic active matter - Direct two-phase titration method

Association Francaise de Normalisation

  • NF A06-371:1984 Chemical analysis of steel. Molecular absorption spectrophotometric determination of zirconium (after separation by extraction).
  • NF EN 14480:2004 Surfactants - Determination of anionic surfactants - Potentiometric method of titration in two phases
  • NF T73-287*NF EN 14480:2004 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • NF T73-205:1977 Surface active agents. Determination of free alkalinity or free acidity. Titrimetric method.

PL-PKN

  • PN C07000-1993 Chemical products for industrial use. General method for determination of chloride ions. Potentiometric method
  • PN C04818-1987 Surfactants Determination of cationic active substance content by two-phase titration

Spanish Association for Standardization (UNE)

  • UNE-EN 14480:2005/AC:2006 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • UNE-EN 14480:2005 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • UNE 55540:1979 SURFACE ACTIVE AGENTS. DETERMINATION OF FREEE ALKALINITY OR FREE ACIDITY. TITRIMETRIC METHOD

Standard Association of Australia (SAA)

  • AS 2678.2:2008 Zinc sulfide concentrates - Chemical analysis - Determination of zinc - Ion-exchange/EDTA titrimetric method

Danish Standards Foundation

  • DS/EN 14480:2004 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • DS/EN 14480/AC:2006 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • DANSK DS/EN 14480:2004 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method

Standards Norway

  • NS-EN 14480:2004 Surface active agents — Determination of anionic surface active agents — Potentiometric two-phase titration method

Ente Nazionale Italiano di Unificazione

  • UNI EN 14480:2005 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • EC 1-2010 UNI EN 14480:2005 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • UNI 24007:1993 Surface active agents and detergents. Determination of anionic-active matter by two-phase titration.

Lithuanian Standards Office

  • LST EN 14480-2005/AC-2006 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • LST EN 14480-2005 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method

British Standards Institution (BSI)

  • BS ISO 23777:2023 Pulps. Kraft liquor. Determination of hydrosulphide ion concentrationusing potentiometric titration
  • BS EN 14480:2004 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • BS EN 14480:2004(2009) Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • BS ISO 12739:2006 Zinc sulfide concentrates - Determination of zinc - Ion-exchange/EDTA titrimetric method

Swedish Institute for Standards

  • SS-EN 14480:2004 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method
  • SS-ISO 6227:1993 Chemical products for industrial use - General method for determination of chloride ions - Potentiometric method
  • SS-ISO 23777:2023 Pulps - Kraft liquor - Determination of hydrosulphide ion concentration using potentiometric titration (ISO 23777:2023, IDT)

German Institute for Standardization

  • DIN EN 14480:2004 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method; German version EN 14480:2004
  • DIN ISO 2271:1982-01 Surface active agents; detergents; determination of anionic-active matter (direct two-phase titration procedure)
  • DIN EN 14480 Berichtigung 1:2006 Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method; German version EN 14480:2004, Corrigenda to DIN EN 14480:2004-11; German version EN 14480:2004/AC:2006

The Directorate General of Specifications and Metrology (DGSM)

  • OS GSO ISO 4314:2015 Surface active agents -- Determination of free alkalinity or free acidity -- Titrimetric method
  • OS GSO ISO 2993:2015 Ammonium sulphate for industrial use -- Determination of free acidity -- Titrimetric method

Gosstandart of Russia

  • GOST 17001.4-1986 Ferrosilicozirconium. Methods for determination of zirconium
  • GOST 29336-2023 Ammonium sulfate technical. Determination of mass fraction of free sulfuric acid by titrimetric method

Austrian Standards

  • ONORM ISO 2271:1987 Surface active agents; detergents; determination of anionic-active matter (direct two-phase titration procedure)

TH-TISI

  • TIS 2021-2000 Ammonium sulphate for industrial use.determination of free acidity.titrimetric method

Türk Standardları Enstitüsü

  • TS 2078-1975 AMMONIUM SULPHATE FOR INDUSTRIAL USE DETERMINATION OF FREE ACIDITY TITRIMETRIC METHOD

Japanese Industrial Standards Committee (JISC)

  • JIS H 1662:1986 Methods for determination of titanium in zirconium and zirconium alloys
  • JIS H 1672:1982 Method for determination of uranium in zirconium and zirconium alloys

European Committee for Standardization (CEN)

  • 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