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Determination of vanadium in water by electrothermal atomisation atomic absorption spectrometry after extraction with 8-hydroxyquinoline in isobutyl methyl ketone. 1990

P Bermejo-Barrera, and E Beceiro-Gonzalez, and A Bermejo-Barrera, and F Bermejo-Martinez
Analytical Chemistry, Nutrition and Bromatology Department, Faculty of Chemistry, Santiago de Compostela, Spain.

A sensitive method for the determination of vanadium in water by electrothermal atomisation atomic absorption spectrometry (ETAAS) is described. The vanadium is chelated with 8-hydroxyquinoline in isobutyl methyl ketone and determined by ETAAS after pre-heating the pyrolytic graphite coated graphite tube of a graphite furnace atomiser before injection. The effects of the pH and amount of reagent required for the extraction were studied. The precision, accuracy and interferences of the method were also investigated. The proposed method allows concentrations of vanadium of 0.16 microgram l-1 to be detected.

UI MeSH Term Description Entries
D007202 Indicators and Reagents Substances used for the detection, identification, analysis, etc. of chemical, biological, or pathologic processes or conditions. Indicators are substances that change in physical appearance, e.g., color, at or approaching the endpoint of a chemical titration, e.g., on the passage between acidity and alkalinity. Reagents are substances used for the detection or determination of another substance by chemical or microscopical means, especially analysis. Types of reagents are precipitants, solvents, oxidizers, reducers, fluxes, and colorimetric reagents. (From Grant & Hackh's Chemical Dictionary, 5th ed, p301, p499) Indicator,Reagent,Reagents,Indicators,Reagents and Indicators
D008742 Methyl n-Butyl Ketone An industrial solvent which causes nervous system degeneration. MBK is an acronym often used to refer to it. 2-Hexanone,Butylmethyl Ketone,Hexan-2-one,2 Hexanone,Hexan 2 one,Ketone, Butylmethyl,Ketone, Methyl n-Butyl,Methyl n Butyl Ketone,n-Butyl Ketone, Methyl
D013054 Spectrophotometry, Atomic Spectrophotometric techniques by which the absorption or emmision spectra of radiation from atoms are produced and analyzed. Spectrophotometry, Atomic Absorption,AA Spectrophotometry,AE Spectrophotometry,Atomic Absorption Spectrophotometry,Atomic Emission Spectrophotometry,Atomic Spectrophotometry,Inductively Coupled Plasma Atomic Emission Spectrophotometry,Inductively Coupled Plasma Atomic Emission Spectroscopy,Spectrophotometry, Atomic Emission,AA Spectrophotometries,AE Spectrophotometries,Absorption Spectrophotometry, Atomic,Emission Spectrophotometry, Atomic,Spectrophotometries, AA,Spectrophotometries, AE,Spectrophotometry, AA,Spectrophotometry, AE
D014639 Vanadium A metallic element with the atomic symbol V, atomic number 23, and atomic weight 50.94. It is used in the manufacture of vanadium steel. Prolonged exposure can lead to chronic intoxication caused by absorption usually via the lungs. Vanadium-51,Vanadium 51
D014867 Water A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Hydrogen Oxide
D015125 Oxyquinoline An antiseptic with mild fungistatic, bacteriostatic, anthelmintic, and amebicidal action. It is also used as a reagent and metal chelator, as a carrier for radio-indium for diagnostic purposes, and its halogenated derivatives are used in addition as topical anti-infective agents and oral antiamebics. 8-Quinolinol,Oxine,Oxyquinol,8-Hydroxyquinoline,8-Hydroxyquinoline Sulfate,8-Oxyquinoline,Bioquin,Chinosol,Khinozol,Leioderm,Oxyquinoline Potassium Sulfate (2:1),Oxyquinoline Sulfate,Quinosol,Superol,8 Hydroxyquinoline,8 Hydroxyquinoline Sulfate,8 Oxyquinoline,8 Quinolinol,Sulfate, 8-Hydroxyquinoline,Sulfate, Oxyquinoline

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