Ohzeki Kunio | Department Of Chemistry Faculty Of Science Hirosaki University

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著作論文

Solid-Phase Spectrophotometric Determination of Cobalt(II)in Tap Water and Beverages Using 2-(5-Bromo-2-pyridylazo)-5[N-propyl-N-(3-sulfopropyl)amino]phenol after Preconcentration as the 1-(2-Pyridylazo)-2-naphthol Complex
Determination of Phenol in Tap Water and River Water Samples by Solid-Phase Spectrophotometry
Preparation of Open Tubular Solid-Phase Extraction Column with 5-Amino-8-hydroxyquinoline-modified Gold Nanoparticle Phase for the Enrichment of Heavy Metal Ions
HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC SEPARATION OF IRON (III) CHELATES WITH AMINOCARBOXYLIC ACIDS ON SILICAGEL COLUMN
Solid-Phase Spectrophotometric Determination of Titanium(IV)Using 4,4'-Diantipyrylmethane
An Enrichment Method of Molybdenum on a Cellulose Nitrate Resin for the Determination by Electrothermal Atomic Absorption Spectrometry Coupled with the Resin Suspension Injection
Determination of V(IV)and V(V)by Electrothermal Atomic Absorption Spectrometry Following Selective Solid-Phase Extraction and the Study on the Change in the Oxidation State of Vanadium Species in Seawater during the Sample Storage
Determination of Tin by Resin-Suspension Electrothermal Atomic Absorption Spectrometry after Enrichment as the Complex with Ammonium Pyrrolidinedithiocarbamate
Determination of Arsenic(III) and Total Arsenic(III, V) in Water Samples by Resin Suspension Graphite Furnace Atomic Absorption Spectrometry
Determination of Cadmium and Lead in Tap Water by Graphite-Furnace Atomic Absorption Spectrometry after Preconcentration on a Finely Divided Ion-Exchange Resin as the Pyrrolidinedithiocarbamate Complexes
Kinetic Spectrophotometric Determination of Carbonate Ion in Water by the Complex Formation of Uranium(VI) with 2-(5-Bromo-2-pyridylazo)-5-(N-propyl-N-sulfopropylamino)phenol
8-Hydroxyquinoline Derivative as a Fluorescent Chemosensor for Zinc Ion
Extraction of Trace Amounts of Copper(II) on a Membrane Filter Using 5, 10, 15, 20-Tetraphenyl-21H, 23H-porphinetetrasulfonic Acid for the Determination by Solid-Phase Spectrophotometry
Retention behavior of iron(III) chelates with amine-N-carboxylic acids on silica-gel and octadecyl-silica columns.
Determination of ethylenediaminetetraacetic acid and nitrilotriacetic acid as their iron(III)-complexes by reversed phase high performance liquid chromatography.
Application of coagulated ion-exchanger colorimetry to the determination of trace amounts of phosphate in water.
Fractional spectrophotometric determination of ethylenediaminetetraacetate and nitrilotriacetate as their iron(III) complexes by use of H- and Na-form ion exchange resin columns.
Enrichment and determination of trace amounts of iron as the colored complex on the thin layer of ion-exchange resins.
Coagulated ion-exchanger colorimetry for the determination of trace amounts of sulfide as methylene blue.
Dissolution of metallic copper in ethylenediaminetetraacetate solution in the presence of hydrogen peroxide.
Gas chromatography under the column outlet pressure higher than atmospheric.
Reaction of Iron(III)-Form Ion Exchanger with Acetylacetone
Conversion of cobalt(II) and nickel(II) fixed on the ion exchange resin into their trifluoroacetylacetonates and gas chromatography of the chelates.
Reaction of Nickel Ion Fixed on the Ion Exchange Resin with 2-Thenoyltrifluoroacetone
Application of a coagulated mixture prepared from finely divided cation and anion exchange resins to the enrichment of copper(II).
Use of the copper(II) ion-selective electrode for the determination of the stability constant of binuclear copper(II) complex with 3,6-dioxaoctane-1,8-diamine-N,N,N',N'-tetraacetric acid.

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