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What is the ion concentration

What is the ion concentration, Total:161 items.

In the international standard classification, What is the ion concentration involves: Geology. Meteorology. Hydrology, Construction materials, Non-metalliferous minerals, Farming and forestry, Pesticides and other agrochemicals, Adhesives, Photography, Meat, meat products and other animal produce, Air quality, Testing of metals, Paints and varnishes, Laboratory medicine, Semiconducting materials, Chipless working equipment, Wood-based panels, Power stations in general, Products of the chemical industry, Aerospace fluid systems and components, Water quality, Body care equipment, Pulps, Astronomy. Geodesy. Geography, Wastes, Paper and board, Analytical chemistry, Nuclear energy engineering, Vocabularies, Semiconductor devices, Beverages, Metrology and measurement in general, Metalliferous minerals, Radiation measurements, Protection against fire.

中国气象局, What is the ion concentration

QX/T 380-2017 Air negative (oxygen) ion concentration level

IPC - Association Connecting Electronics Industries, What is the ion concentration

IPC TP-1113 CD-1994 Circuit Board Ionic Cleanliness Measurement: What Does It Tell Us?

HU-MSZT, What is the ion concentration

CZ-CSN, What is the ion concentration

CSN 68 4154-1989 Concentration of the inpurities by he ion exchange method
CSN 68 1102-1980 Tlie syntheliral detergents. elevmirialion of conuentration of the ydrogen ions (pH)
CSN 65 9037-1984 Vat dyestuffs. Metods of determination: — point of congelation — stability at centrifuging — concentration of hydrogen ions [pH - value)

Professional Standard - Building Materials, What is the ion concentration

JC/T 2110-2012 Indoor air ion concentration test method

Group Standards of the People's Republic of China, What is the ion concentration

T/CMSA 0029-2022 Air negative oxygen ion concentration level icon
T/GIEHA 012-2019 Indoor environmental ecological negative (oxygen) ion concentration level
T/SZJL 4-2023 Determination of glucose concentration in human saliva－Ion chromatography
T/CASAS 010-2019 Determination of Trace Impurities Concentration and Distribution in GaN Materials by Secondary Ion Mass Spectrometry
T/CASAS 009-2019 Determination of Trace Impurities Concentration and Distribution in Semi-insulating SiC Materials by Secondary Ion Mass Spectrometry

RU-GOST R, What is the ion concentration

GOST 19609.19-1989 Concentrated kaolin. Method for determination of hydrogen ions concentration of water suspension
GOST 17818.6-1990 Graphite. Method for determination of hydrogen ions concentration of water suspension and water extract
GOST 25183.9-1982 Photographic gelatine. Method of determination of hydrogen ions concentration
GOST 24892-1981 Organic cationic dyes. Determinations of concentrations of shade
GOST 3594.5-1977 Moulding clay. Method for the determination of hydrogen ion concentration of water extract
GOST 22567.5-1993 Synthetic detergents and surfactants. Methods for determination of hydrogen ions concentration
GOST 29234.6-1991 Moulding sands. Methods for determination of water extract hydrodgen ions concentration (pH)
GOST 22567.5-1977 Synthetic detergents. Method for determination of ph
GOST 23409.22-1978 Moulding sands and sand mixtures. Method for determination of water extract hydrogen ions concentration
GOST 25645.146-1989 Earth's ionosphere. Model of global distribution of concentration, temperature and effective collision frequency of electrons
GOST R 25645.158-1994 Earth's uppermost ionosphere. Model of distribution of the concentration of electrons in the flat of geomagnetic equator
GOST 19728.18-2001 Talc and talcomagnesite. Method for determination of hydrogen ions concentration (pH) of water suspension and water extract
GOST 19728.18-1988 Talc and talcomagnesite. Method for determination of hydrogen ions concentration of water suspension and water extract
GOST R ISO 25140-2017 Stationary source emissions. Automatic method for the determination of the methane concentration using flame ionisation detection
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 R 8.845-2013 State system for ensuring the uniformity of measurements. Air ion composition measurements. Method of measuring volume density of electric charge of air and air ion concentration using aspiration capacitor
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 29232-1991 Anionic and non-ionic surface active agents. Determination of the critical micellization concentration. Method by measuring surface tension with a plate, stirrup or ring
GOST R 25645.157-1994 Earth's lower ionosphere. Model of global distribution of concentration and effective collision frequency of electrons for VLE-LF radio foreacast
GOST IEC 60754-3-2021 Test on gases evolved during combustion of materials from cables. Part 3. Measurement of low level of halogen content by ion chromatography

Hubei Provincial Standard of the People's Republic of China, What is the ion concentration

DB42/T 1198-2016 Concentration levels of air negative oxygen ions in Hubei Province
DB42/T 1914-2022 Technical specifications for monitoring the concentration of negative oxygen ions in forest environment

Professional Standard - Forestry, What is the ion concentration

LY/T 2586-2016 Specification on observation on air negative oxygen ion concentration
LY/T 2587-2016 Specification on station construction for monitoring air negative oxygen ion concentration

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, What is the ion concentration

GB/T 3776.2-1983 Method of hydrogen ion concentration determination for pesticide emulsifiers
GB/T 8757-1988 Determination of carrier concentration in gallium arsenide by the plasma resonance minimum
GB/T 8757-2006 Determination of carrier concentration in gallium arsenide by the plasma resonance minimum
GB/T 11276-1989 Cationic surface active agents(hydrochlorides and hydrobromides)--Determination of critical micellization concentration--Method by measurement of counter ion activity
GB/T 11278-1989 Anionic and non-ionic surface active agents--Determination of the critical micellization concentration--Method by measuring surface tension with ring
GB/T 15434-1995 Ambient air--Determination of the mass concentration of fluoride--Method by filter sampling and fluorine ion- selective electrode analysis
GB/T 20176-2006 Surface chemical analysis.Secondary-ion mass spectrometry.Determination of boron atomic concentration in silicon using uniformly doped materials
GB/T 42732-2023 Size Distribution and Concentration Measurement of Inorganic Nanoparticles in Aqueous Phases in Nanotechnology by Single Particle Inductively Coupled Plasma Mass Spectrometry

American Society for Testing and Materials (ASTM), What is the ion concentration

ASTM D1583-01(2008) Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
ASTM D1583-01(2018) Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
ASTM D1583-01 Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
ASTM D1583-00 Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
ASTM D1583-01(2013) Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
ASTM F862-11(2017) Standard Practice for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids
ASTM D3561-11 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM F862-93(1998) Standard Test Method for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids
ASTM F862-93(2002) Standard Test Method for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids
ASTM F862-11(2022) Standard Practice for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids
ASTM F862-11 Standard Practice for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids
ASTM D778-97(2007) Standard Test Methods for Hydrogen Ion Concentration (pH) of Paper Extracts (Hot-Extraction and Cold-Extraction Procedures)
ASTM C1625-19 Standard Test Method for Uranium and Plutonium Concentrations and Isotopic Abundances by Thermal Ionization Mass Spectrometry
ASTM D778-97(2002) Standard Test Methods for Hydrogen Ion Concentration (pH) of Paper Extracts (Hot- Extraction and Cold-Extraction Procedures)
ASTM D778-97 Standard Test Methods for Hydrogen Ion Concentration (pH) of Paper Extracts (Hot- Extraction and Cold-Extraction Procedures)
ASTM F398-92(1997) Standard Test Method for Majority Carrier Concentration in Semiconductors by Measurement of Wavenumber or Wavelength of the Plasma Resonance Minimum
ASTM E2330-19 Standard Test Method for Determination of Concentrations of Elements in Glass Samples Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for Forensic Comparisons

Professional Standard - Agriculture, What is the ion concentration

GB 3776.2-1983 Method for Determination of Hydrogen Ion Concentration of Pesticide Emulsifier

CH-SNV, What is the ion concentration

VSM 23745.2-1967

Association of German Mechanical Engineers, What is the ion concentration

VDI 2452 Blatt 1-1978 Air pollution measurement; measurement of total fluoride ion concentration; impinger method
VDI 2452 Blatt 2-1975 Gaseous air pollution measurement; determination of fluoric ion concentration; preseparation and electrometric detection
VDI 3481 Blatt 4-2007 Gaseous emission measurement - Measurement of the concentrations of total organic carbon and methane carbon using the flame ionisation detector (FID)
VDI 2459 Blatt 1-2000 Gaseous emission measurement - Determination of carbon monoxide concentration using flame ionisation detection after reduction to methane
VDI 2452 Blatt 3-1987 Gaseous air pollution measurement; measurement of fluoride ion concentration; sorption method with prepared silver balls and heated membrane filter

GOSTR, What is the ion concentration

GOST R 59016-2020 Mineral natural drinking waters. Determination of the mass concentration of bromide ions by the photometric method

Professional Standard - Electron, What is the ion concentration

SJ/T 11493-2015 Test method for measuring nitrogen concentration in silicon substrates by secondary ion mass spectrometry
SJ/T 11498-2015 Test method for measuring oxygen contamination in heavily doped silicon substrates by secondary ion mass spectrometry

Association Francaise de Normalisation, What is the ion concentration

NF ISO 11632:1998 Émission de sources fixes - Détermination de la concentration en masse de dioxyde de soufre - Méthode par chromatographie ionique.
NF EN 15763:2010 Produits alimentaires - Dosage des éléments traces - Dosage de l'arsenic, du cadmium, du mercure et du plomb par spectrométrie d'émission avec plasma induit par haute fréquence et spectromètre de masse (ICP-MS) après digestion sous pression
NF EN ISO 25140:2010 Émissions de sources fixes - Méthode automatique pour la détermination de la concentration en méthane par détection à ionisation de flamme (FID)
NF EN ISO 19448:2018 Médecine bucco-dentaire - Analyse de la concentration en fluorure dans les solutions aqueuses en utilisant une électrode sélective d'ions fluorures
NF X21-070*NF ISO 14237:2010 Surface chemical analysis - Secondary-ion mass spectrometry - Determination of boron atomic concentration in silicon using uniformly doped materials.
NF T73-411:1980 Anionic and non-ionic surface active agents. Determination of the critical micellization concentration. Method by measuring surface tension with a plate, stirrup or ring.
NF S91-275*NF EN ISO 19448:2018 Dentistry - Analysis of fluoride concentration in aqueous solutions by use of fluoride-ion selective electrode
NF EN 12619:2013 Émissions de sources fixes - Détermination de la concentration massique en carbone organique total - Méthode du détecteur continu à ionisation de flamme
NF T73-414:1983 Surface active agents. Cationic surface active agents (hydrochlorides and hydrobromides). Determination of critical micellization concentration. Method by measurement of counter ion activity.
NF X43-353*NF EN ISO 25140:2010 Stationary source emissions - Automatic method for the determination of the methane concentration using flame ionisation detection (FID).
XP T16-401*XP CEN ISO/TS 19590:2019 Nanotechnologies - Size distribution and concentration of inorganic nanoparticles in aqueous media via single particle inductively coupled plasma mass spectrometry
NF M60-805-2:2003 Nuclear energy - Measurement of radioactivity in the environment - Water - Part 2 : measurement of the concentration of uranium in water by inductively coupled plasma atomic emission spectroscopy.
NF EN 16476:2014 Produits pétroliers liquides - Détermination des concentrations en sodium, potassium, calcium, phosphore, cuivre et zinc dans le gazole - Méthode par spectrométrie d'émission atomique par plasma à couplage inductif (ICP OES)
NF T30-110-2*NF EN ISO 15181-2:2007 Paints and varnishes - Determination of release rate of biocides from antifouling paints - Part 2 : determination of copper-ion concentration in the extract and calculation of the release rate
NF EN ISO 15181-2:2007 Peintures et vernis - Détermination du taux de lixiviation des biocides contenus dans les peintures antisalissures - Partie 2 : détermination de la concentration ionique du cuivre dans l'extrait et calcul du taux de lixiviation
XP CEN ISO/TS 19590:2019 Nanotechnologies - Distribution granulométrique et concentration de nanoparticules inorganiques en milieu aqueux par spectrométrie de masse à plasma induit en mode particule unique

Korean Agency for Technology and Standards (KATS), What is the ion concentration

KS E ISO 12739:2007 Zinc sulfide concentrates－Determination of zinc content－Ion-exchange and EDTA titrimetric method
KS M ISO 6840:2003 Cationic surface active agents(hydrochlorides and hydrobromides)-Determination of critical micellization concentration-Method by measurement of counter ion activity
KS M ISO 6840:2013 Cationic surface active agents(hydrochlorides and hydrobromides)－Determination of critical micellization concentration－Method by measurement of counter ion activity
KS M ISO 6840-2003(2008) Cationic surface active agents(hydrochlorides and hydrobromides)－Determination of critical micellization concentration－Method by measurement of counter ion activity
KS I ISO 11632:2004 Stationary source emissions-Determination of the massconcentration of sulfur dioxide(Ion chromatography method)
KS P ISO 19448:2021 Dentistry — Analysis of fluoride concentration in aqueous solutions by use of fluoride ion-selective electrode
KS I ISO 11632:2014 Stationary source emissions — Determination of the mass concentration of sulfur dioxide(ion chromatography method)
KS I ISO 11632-2014(2019) Stationary source emissions — Determination of the mass concentration of sulfur dioxide(ion chromatography method)
KS M ISO 4311-2003(2018) Anionic and non-ionic surface active agents－Determination of the critical micellization concentration－Method by measuring surface tension with a plate, stirrup or ring
KS M ISO 4311:2003 Anionic and non-ionic surface active agents－Determination of the critical micellization concentration－Method by measuring surface tension with a plate, stirrup or ring
KS I ISO 25140-2012(2017) Stationary source emissions－Automatic method for the determination of the methane concentration using flame ionization detection(FID)
KS I ISO 25140:2022 Stationary source emissions — Automatic method for the determination of the methane concentration using flame ionization detection(FID)
KS D ISO 14237-2003(2018)
KS D ISO 14237:2003 Surface chemical analysis－Secondary-ion mass spectrometry－Determination of boron atomic concentration in silicon using uniformly doped materials
KS M ISO 2272:2007 Surface active agents－Soaps－Determination of low contents of free glycerol by molecular absorption spectrometry
KS M ISO 15181-2:2008 Paints and varnishes-Determination of release rate of biocides from antifouling paints-Part 2:Determination of copper-ion concentration in the extract and calculation of the release rate
KS M ISO 15181-2:2013 Paints and varnishes — Determination of release rate of biocides from antifouling paints — Part 2: Determination of copper-ion concentration in the extract and calculation of the release rate

Professional Standard - Electricity, What is the ion concentration

DL/T 1479-2015 Analytical method for ethanolamine in steam and water in power plant ion chromatography

International Organization for Standardization (ISO), What is the ion concentration

ISO 6840:1982 Cationic surface active agents (Hydrochlorides and hydrobromides); Determination of critical micellization concentration; Method by measurement of counter ion activity
ISO 19448:2018 Dentistry - Analysis of fluoride concentration in aqueous solutions by use of fluoride ion-selective electrode
ISO 11632:1998 Stationary source emissions - Determination of mass concentration of sulfur dioxide - Ion chromatography method
ISO 23777:2023 Pulps — Kraft liquor — Determination of hydrosulphide ion concentration using potentiometric titration
ISO 14237:2010 Surface chemical analysis - Secondary-ion mass spectrometry - Determination of boron atomic concentration in silicon using uniformly doped materials
ISO 14237:2000 Surface chemical analysis - Secondary-ion mass spectrometry - Determination of boron atomic concentration in silicon using uniformly doped materials
ISO 4311:1979 Anionic and non-ionic surface active agents; Determination of the critical micellization concentration; Method by measuring surface tension with a plate, stirrup or ring
ISO/TS 19590:2017 Nanotechnologies — Size distribution and concentration of inorganic nanoparticles in aqueous media via single particle inductively coupled plasma mass spectrometry
ISO 13547-1:2014 Copper, lead, zinc and nickel sulfide concentrates - Determination of arsenic - Part 1: Iron hydroxide concentration and inductively coupled plasma atomic emission spectrometric method

BE-NBN, What is the ion concentration

NBN T 63-129-1980 Anionic and non-ionic surface active agents - Dermination of the critical micellization concentration - Method by measuring surface tension with a plate, stirrup or ring
NBN T 63-152-1983 Cationic surface active agents (hydrochlorides and hydrobromides) - Determination of critical micellization concentration - Method by measurement of counter ion activity

European Committee for Standardization (CEN), What is the ion concentration

EN ISO 19448:2018 Dentistry - Analysis of Fluoride Concentration in Aqueous Solutions by use of Fluoride-Ion Selective Electrode

British Standards Institution (BSI), What is the ion concentration

BS ISO 23777:2023 Pulps. Kraft liquor. Determination of hydrosulphide ion concentrationusing potentiometric titration
BS EN ISO 19448:2018 Dentistry. Analysis of fluoride concentration in aqueous solutions by use of fluoride ion-selective electrode
BS ISO 14237:2010 Surface chemical analysis - Secondary-ion mass spectrometry - Determination of boron atomic concentration in silicon using uniformly doped materials
BS EN ISO 25140:2010 Stationary source emissions. Automatic method for the determination of the methane concentration using flame ionisation detection (FID)
BS ISO 13547-1:2014 Copper, lead, zinc and nickel sulfide concentrates. Determination of arsenic. Iron hydroxide concentration and inductively coupled plasma atomic emission spectrometric method
BS EN ISO 15181-2:2007 Paints and varnishes - Determination of release rate of biocides from antifouling paints - Determination of copper-ion concentration in the extract and calculation of the release rate
PD CEN ISO/TS 19590:2019 Nanotechnologies. Size distribution and concentration of inorganic nanoparticles in aqueous media via single particle inductively coupled plasma mass spectrometry

VN-TCVN, What is the ion concentration

TCVN 6750-2000 Stationary source emissions.Determination of mass concentration of sulfur dioxide.Ion chromatography method

IT-UNI, What is the ion concentration

UNI 7118-1972

AENOR, What is the ion concentration

UNE 77226:1999 STATIONARY SOURCE EMISSIONS. DETERMINATION OF MASS CONCENTRATION OF SULFUR DIOXIDE. ION CHROMATOGRAPHY METHOD.
UNE 55700:1982 SURFACE ACTIVE AGENTS. ANIONIC AND NON-IONIC SURFACE ACTIVE AGENTS. DETERMINATION OF THE CRITICAL MICELLIZATION CONCENTRATION. METHOD BY MEASURING SURFACE TENSION WITH A PLATE, STIRRUP OR RING
UNE 55802:1985 SURFACE ACTIVE AGENTS. CATIONIC SURFACE ACTIVE AGENTS (HYDROCHLORIDES AND HYDROBROMIDES). DETERMINATION OF CRITICAL MICELLIZATION CONCENTRATION. METHOD BY MEASUREMENT OF COUNTER ION ACTIVITY
UNE-EN 12619:2013 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon - Continuous flame ionisation detector method
UNE-EN ISO 25140:2011 Stationary source emissions - Automatic method for the determination of the methane concentration using flame ionisation detection (FID) (ISO 25140:2010)
UNE 55725:1987 SURFACE ACTIVE AGENTS. DETERMINATION OF LOW CONCENTRATIONS OF NON-IONIC SUFACTANTS IN AQUEOUS MEDIA USING DRAGENDORFF REAGENT

Danish Standards Foundation, What is the ion concentration

DS/ISO 11632:1998 Stationary source emissions - Determination of mass concentration of sulfur dioxide - Ion chromatography method
DS/EN ISO 25140:2010 Stationary source emissions - Automatic method for the determination of the methane concentration using flame ionisation detection (FID)
DS/EN 12619:2013 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon - Continuous flame ionisation detector method

KR-KS, What is the ion concentration

KS P ISO 19448-2021 Dentistry — Analysis of fluoride concentration in aqueous solutions by use of fluoride ion-selective electrode
KS M ISO 4311-2003(2023) Anionic and non-ionic surface active agents－Determination of the critical micellization concentration－Method by measuring surface tension with a plate, stirrup or ring
KS D ISO 14237-2003(2023)
KS I ISO 25140-2022 Stationary source emissions — Automatic method for the determination of the methane concentration using flame ionization detection(FID)

未注明发布机构, What is the ion concentration

BS ISO 11632:1998(1999) Stationary source emissions — Determination of mass concentration of sulfur dioxide — Ion chromatography method

Lithuanian Standards Office , What is the ion concentration

LST EN 12619-2000 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases - Continuous flame ionisation detector method
LST EN ISO 25140:2010 Stationary source emissions - Automatic method for the determination of the methane concentration using flame ionisation detection (FID) (ISO 25140:2010)
LST EN 13526-2002 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon in flue gases from solvent using processes - Continuous flame ionisation detector method

German Institute for Standardization, What is the ion concentration

DIN EN ISO 19448:2018-04 Dentistry - Analysis of Fluoride Concentration in Aqueous Solutions by use of Fluoride-Ion Selective Electrode (ISO 19448:2018); German version EN ISO 19448:2018
DIN EN ISO 19448:2018 Dentistry - Analysis of Fluoride Concentration in Aqueous Solutions by use of Fluoride-Ion Selective Electrode (ISO 19448:2018)
DIN EN ISO 25140:2010-12 Stationary source emissions - Automatic method for the determination of the methane concentration using flame ionisation detection (FID) (ISO 25140:2010); German version EN ISO 25140:2010
DIN EN 12619:2013-04 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon - Continuous flame ionisation detector method; German version EN 12619:2013
DIN CEN ISO/TS 19590:2019-11*DIN SPEC 19286:2019-11 Nanotechnologies - Size distribution and concentration of inorganic nanoparticles in aqueous media via single particle inductively coupled plasma mass spectrometry (ISO/TS 19590:2017); German version CEN ISO/TS 19590:2019

ES-UNE, What is the ion concentration

UNE-EN ISO 19448:2019 Dentistry - Analysis of Fluoride Concentration in Aqueous Solutions by use of Fluoride-Ion Selective Electrode (ISO 19448:2018)

Japanese Industrial Standards Committee (JISC), What is the ion concentration

JIS K 0143:2023 Surface chemical analysis -- Secondary-ion mass spectrometry -- Determination of boron atomic concentration in silicon using uniformly doped materials
JIS K 0143:2000 Surface chemical analysis -- Secondary ion mass spectrometry -- Determination of boron atomic concentration in silicon using uniformly doped materials

Shaanxi Provincial Standard of the People's Republic of China, What is the ion concentration

DB61/T 1294-2019 Determination of low-concentration sulfur dioxide in exhaust gas from stationary pollution sources Molecular sieve adsorption tube sampling-ion chromatography

CU-NC, What is the ion concentration

NC 20-06-24-1987 Medical Sciences. Electrolytic and Basic Acid Equilibrium Study. Determination of Ion Potassium Concentration. Chemical Analysis Method

TH-TISI, What is the ion concentration

TIS 1765-1999 Anionic and non.ionic surface active agents.determination of the critical micellization concentration.method by measuring surface tension with a plate, stirrup or ring

Standard Association of Australia （SAA）, What is the ion concentration

AS ISO 14237:2006 Surface chemical analysis - Secondary-ion mass spectrometry - Determination of boron atomic concentration in silicon using uniformly doped materials
AS ISO 13547.1:2015 Copper, lead, zinc and nickel sulfide concentrates-Determination of arsenic, Part 1: Iron hydroxide concentration and inductively coupled plasma atomic emission spectrometric method

CEN - European Committee for Standardization, What is the ion concentration

CEN ISO/TS 19590:2019 Nanotechnologies - Size distribution and concentration of inorganic nanoparticles in aqueous media via single particle inductively coupled plasma mass spectrometry

ES-AENOR, What is the ion concentration

UNE 55-725-1987

BELST, What is the ion concentration

STB 17.13.05-42-2015 Еnvironmental pгоtесtion. Analitical (laboratory) control and monitoring of the environment. Water quality. Determination of sulfat-ions concentration by turbidimetric metod
STB 17.13.05-37-2015 Environmental protection and nature use. Analytical (laboratory) control and monitoring. Atmospheric air. Determination of sulphate-ion concentration in liquid matrix