T. Kumamaru

发表

Inductively coupled plasma atomic emission spectrometric determination of cadmium in biological and environmental materials using electrothermal vaporization after in situ alkylation

S. Tao, T. Kumamaru, 1995 .

Graphite-Furnace Atomic Absorption Spectrometry with Continuous Laser Sampling by Complete Vaporization of Solid Samples and Its Application to the Determination of Copper and Lead in Geological Samples

S. Tao, T. Kumamaru, Soulin Lin, 1994 .

Direct Measurement of Isotope Ratio of Antimony in Seawater by Hydride Generation/Inductively Coupled Plasma Mass Spectrometry

Manabu Yamamoto, T. Kumamaru, Fumino Nakata, 1994 .

Determination of Cadmium and Lead by Inductively Coupled Plasma Atomic Emission Spectrometry with Tungsten Boat Furnace Vaporizer

Y. Okamoto, T. Kumamaru, Hiromi Kakigi, 1993 .

Determination of trace amounts of nickel and cobalt by column preconcentration/AAS.

S. Hirata, T. Kumamaru, K. Honda, 1987 .

Electrothermal Vaporization of Trace Gallium via In SITU Alkylation for Inductively Coupled Plasma Atomic Emission Spectrometry

Y. Okamoto, S. Tao, T. Kumamaru, 1994 .

Coupling of membrane-immobilized enzyme reaction and heteropoly acid-luminol chemiluminescence reaction for the determination of adenosine-5'-triphosphate

T. Kumamaru, T. Fujiwara, K. Kurahashi, 1997 .

Determination of inorganic anions in water samples by ion-exchange chromatography with chemiluminescence detection based on the neutralization reaction of nitric acid and potassium hydroxide

T. Kumamaru, T. Fujiwara, H. Sakai, 1996 .

Chemiluminescence determination of iodide and/or iodine using a luminol-hexadecyltrimethylammonium chloride reversed micelle system following on-line oxidation and extraction.

T. Kumamaru, H. Inoue, T. Fujiwara, 2000 .

Determination of Cadmium by Inductively Coupled Plasma Atomic Emission Spectrometry after Suction-Flow On-Line Preconcentration on 8-Quinolinol-Loaded Active Carbon

Y. Okamoto, T. Kumamaru, Atsunori Murata, 1991 .

Fractional determination of chromium(III) and chromium(VI) via ion chromatography with inductively coupled plasma atomic emission spectrometric detection

T. Kumamaru, H. Matsuo, S. Matsushita, 1985 .

High preconcentration of ultra-trace metal ions by liquid–liquid extraction using water/oil/water emulsions as liquid surfactant membranes

Y. Okamoto, T. Kumamaru, H. Nakamura, 2000 .

Cooperative interactions between ions and water in the chloride ion and water coordination to a square-planar nickel complex ion in concentrated aqueous solutions

T. Kumamaru, J. Nishimoto, E. Iwamoto, 1995 .

Reversed Micellar-Mediated Luminol Chemiluminescence Reaction with Bis(acetylacetonato)oxovanadium(IV)

Y. Okamoto, T. Kumamaru, T. Kyaw, 1999 .

The effect of temperature upon the solid state racemization of phenanthroline or dipyridyl-iron(II) and -nickel(II) perchlorates

T. Kumamaru, Yuroku Yamamoto, A. Tatehata, 1971 .

Extraordinary coordination of acetonitrile to square-planar, 1,4,8,11-tetraazacyclotetradecanenickel(II) and (1R,4R,8S,11S)-1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecanenickel(II) cations.

T. Kumamaru, T. Yokoyama, E. Iwamoto, 1991 .

Solvation and Ionic Association of (1R,4S,8R,11S)-1,4,8,11-Tetramethyl-1,4,8,11-tetraazacyclotetradecanenickel(II) Perchlorate in Mixed Solvents of N,N-Dimethylformamide and N,N-Dimethylacetamide with Nitrobenzene and 1,2-Dichloroethane

T. Kumamaru, T. Yokoyama, E. Iwamoto, 1991 .

Luminol chemiluminescence with heteropoly acids and its application to the determination of arsenate, germanate, phosphate and silicate by ion chromatography

T. Kumamaru, T. Fujiwara, K. Kurahashi, 1996 .

Sensitivity enhancement in the determination of silicate by ion-exclusion chromatography using luminol chemiluminescence detection

T. Kumamaru, T. Fujiwara, H. Sakai, 1995 .

Determination of silicate by ion-exclusion chromatography with luminol chemiluminescence detection

T. Kumamaru, T. Fujiwara, H. Sakai, 1993 .

Determination of Germanium by hydride generation inductively coupled plasma atomic emission spectrometry combined with flow injection

Manabu Yamamoto, T. Kumamaru, H. Sunahara, 1988 .

Membrane gas-liquid separator for flow injection hydride-generation atomic absorption spectrometry

Manabu Yamamoto, T. Kumamaru, M. Yasuda, 1987 .

Comparative study of zinc tablet and sodium borohydride tablet reduction systems in the determination of arsenic, antimony, and selenium by atomic-absorption spectrophotometry via their hydrides

T. Kumamaru, Yuroku Yamamoto, 1976 .

Determination of Selenium(IV, VI) by Heated Quartz Cell Atomic Absorption Spectrometry with Miniaturized Suction-Flow On-Line Prereduction/Hydride Generation System

T. Kumamaru, H. Matsuo, F. Nakata, 1985 .

Sensitivity enhancement for inductively-coupled plasma atomic emission spectrometry of cadmium by suction-flow on-line ion-exchange preconcentration

Y. Okamoto, T. Kumamaru, H. Matsuo, 1986 .

A New Method for the Determination of Nitrate Ions by Atomic Absorption Spectrophotometry

T. Kumamaru, Yuroku Yamamoto, E. Tao, 1965 .

INDIRECT DETERMINATION OF MERCURY BY ATOMIC ABSORPTION SPECTROPHOTOMETRY USING ZINC HOLLOW CATHODE LAMP

T. Kumamaru, Yuroku Yamamoto, Y. Hayashi, 1968 .

Effect of Arsenious and Arsenic Acids on the Chemiluminescence of Luminol in the Absence of Hydrogen Peroxide and Its Analytical Application

T. Kumamaru, T. Fujiwara, H. Sakai, 1994 .

Masking effect of potassium iodide on the interferences in the atomic-absorption spectrophotometric determination of antimony utilizing stibine generation by sodium borohydride tablet reduction

Manabu Yamamoto, T. Kumamaru, Yuroku Yamamoto, 1981 .

Electrodialysis pretreatment system for ion chromatography of strongly acidic samples and its application to the determination of magnesium and calcium

Y. Okamoto, T. Kumamaru, M. Yamamoto, 1991 .

A New Method for the Determination of Phosphorus by Atomic Absorption Spectrophotometry Using Molybdenum as a Light Source

T. Kumamaru, Yuroku Yamamoto, Y. Otani, 1967 .

Reaction of 1,2-Dichloroethane with Pyridine Using the 1R,4S,8R,11S-Tetramethyl-1,4,8,11-tetraazacyclotetradecanenickel(II) Cation as a Probe

T. Kumamaru, T. Yokoyama, J. Nishimoto, 1991 .

Basicity of Water in Hydrogen-Bonded Networks of Methanol–1,2-Dichloroethane Mixtures Using the [(1R,4S,8R,11S)-1,4,8,11-Tetramethyl-1,4,8,11-tetraazacyclotetradecane]nickel(II) Cation as a Probe of Electron-Pair Acceptance

T. Kumamaru, E. Iwamoto, Shoji Yamasaki, 1989 .

Phosphine-ozone gas-phase chemiluminescence for determination of phosphate

T. Kumamaru, K. Fujiwara, Toshie. Kanchi, 1989 .

Enhancement effect of organic solvents in inductively coupled plasma atomic emission spectrometry

Y. Okamoto, T. Kumamaru, H. Matsuo, 1987 .

Inductively coupled plasma atomic emission spectrometric determination of beryllium in aluminium-based alloys and rock samples by introducing beryllium into the plasma as ethylberyllium species

Y. Okamoto, S. Tao, T. Kumamaru, 1995 .

Microporous polytetrafluoroethylene tube separator for the determination of beryllium by flow injection-or suction-flow-solvent extraction followed by inductively coupled plasma atomic emission spectrometry

Manabu Yamamoto, T. Kumamaru, F. Nakata, 1988 .

EFFECT OF IRON(III) ON CHEMILUMINESCENCE FROM THE NEUTRALIZATION REACTION OF NITRIC ACID and POTASSIUM HYDROXIDE

T. Kumamaru, T. Fujiwara, H. Sakai, 1995 .

Separation and detection of common mono- and divalent cations by ion chromatography with an ODS column and conductivity/UV detection.

T. Kumamaru, K. Ito, 1999, Journal of chromatography. A.

Catalytic effect of rhodium(III) on the chemiluminescence of luminol in reverse micelles and its analytical application

Imdadullah, T. Kumamaru, T. Fujiwara, 1994 .

Trace metal enrichment by automated on-line column preconcentration for flow-injection atomic absorption spectrometry

S. Hirata, T. Kumamaru, K. Honda, 1989 .

Determination of copper and lead by inductively coupled plasma atomic emission spectrometry combined with suction-flow on-line ion-exchange preconcentration.

T. Kumamaru, H. Sunahara, H. Matsuo, 1987 .

Low-temperature electrothermal vaporization of refractory elements as 8-hydroxyquinolinate complexes in inductively coupled plasma atomic emission spectrometry. Part 2. Determination of trace amounts of chromium in aluminium alloy and rock samples

S. Tao, T. Kumamaru, 1996 .

Chemical modification for inductively coupled plasma atomic emission spectrometric determination of boron with tungsten boat furnace vaporizer

Y. Okamoto, T. Kumamaru, Kazumitsu Sugawa, 1994 .

Electrochemical vaporization of trace beryllium via in situ alkylation for inductively coupled plasma atomic emission spectrometry

S. Tao, T. Kumamaru, 1994 .

Low-Temperature Electrothermal Vaporization of an 8-Quinolinolato Complex of Aluminum(III) for Sample Introduction in an Inductively Coupled Plasma Atomic Emission Spectrometric Determination of Trace Aluminum

Y. Okamoto, S. Tao, T. Kumamaru, 1997 .

Low-Temperature Electrothermal Vaporization of 8-Hydroxyquinolinate Complex for Determination of Trace Vanadium by ICP-AES

S. Tao, T. Kumamaru, 1996 .

A Versatile Sample Introduction System with Graphite Tube Furnace for Inductively Coupled Plasma-Atomic Emission Spectrometry

T. Kumamaru, H. Matsuo, Y. Okamoto, 1987 .

High enrichment method for the determination of ultra-trace levels of cobalt by liquid—liquid extraction using water/oil/water emulsions as liquid surfactant membranes

Manabu Yamamoto, Y. Okamoto, T. Kumamaru, 1990 .

Determination of tin by electrothermal atomic absorption spectrometry with a tungsten-coated tube

T. Kumamaru, E. Iwamoto, Hiromichi Shimazu, 1992 .

Thermal Analysis of YBa2(Cu1−xFex)3O7−y Oxide Superconductor

Y. Maeno, Y. Aoki, T. Kumamaru, 1988 .

Increased basicity and hydrogen-bonding donor ability of water by hydrogen bonding to dimethyl sulphoxide and its coordination to 1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecanenickel(II) in nitrobenzene

T. Kumamaru, T. Yokoyama, J. Nishimoto, 1991 .

Coordination of Water Hydrogen-Bonded to Pyridine Derivatives to the (1R,4S,8R,11S)-1,4,8,11-Tetramethyl-1,4,8,11-tetraazacyclotetradecanenickel(II) Cation in Nitrobenzene

T. Kumamaru, J. Nishimoto, E. Iwamoto, 1993 .

Determination of cadmium by suction-flow liquid-liquid extraction combined with inductively-coupled plasma atomic emission spectrometry

T. Kumamaru, H. Matsuo, F. Nakata, 1985 .

Chemiluminescence from the reaction of chloroauric acid with luminol in reverse micelles

Imdadullah, T. Kumamaru, T. Fujiwara, 1991 .

Determination of vanadium and titanium in steel by inductively coupled plasma atomic emission spectrometry with modified use of a tungsten boat furnace atomizer for atomic absorption spectrometry

Manabu Yamamoto, Y. Okamoto, H. Murata, 1990 .

Effects of conditions for pyrolysis of ascorbic acid as a chemical modifier on the vaporization mechanism of gold in electrothermal atomic absorption spectrometry

T. Kumamaru, Y. Hayashi, S. Imai, 1997 .

Inductively Coupled Plasma Atomic Emission Spectrometry Coupled with in situ Alkylation/Vaporization for the Trace Determination of Zinc

Y. Okamoto, S. Tao, T. Kumamaru, 1995 .

Effect of solvent extraction on the atomic-absorption spectrophotometry in determination of ppM levels of cadmium with dithizone.

T. Kumamaru, Y. Yamamoto, Y. Hayashi, 1972, Talanta.

Strongly polarized water at the interfacial region in reversed micelles containing 1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecanenickel(II) as a probe

T. Kumamaru, T. Fujiwara, J. Nishimoto, 1993 .

Generation of chemiluminescence upon reaction of iodine with luminol in reversed micelles and its analytical applicability

T. Kumamaru, T. Fujiwara, J. Huang, 1989 .

Interfacial solubilization of (5,10,15,20-tetraphenylporphyrinato)-zinc(II) in cetyltrimethylammonium chloride reversed micellar solutions

T. Nakashima, T. Kumamaru, T. Fujiwara, 2002 .

Inductively-coupled plasma atomic emission spectrometric determination of boron based on generation of methyl borate

Manabu Yamamoto, Y. Okamoto, T. Kumamaru, 1986 .

Indirect spectrophotometric determination of chloride by solvent extraction as tris(1,10-phenanthroline)iron(II) thiocyanate

T. Kumamaru, Yuroku Yamamoto, A. Tatehata, 1970 .

Simultaneous determination of copper and lead by graphite-furnace atomic absorption spectrometry after liquid-liquid extraction of the ion pair with zephiramine

Y. Okamoto, T. Kumamaru, H. Matsuo, 1989 .

A new application of atomic absorption spectrophotometry

T. Kumamaru, 1968 .

A new application of atomic absorption spectrophotometry : Determination of phthalic acid by solvent extraction with neocuproine-copper(I) chelate

T. Kumamaru, Y. Yamamoto, Y. Hayashi, 1966 .

Low-pressure microwave-induced helium plasma emission spectrometry: determination of subnanogram quantities of zinc by use of a tungsten filament vaporization system.

B. Vallee, J. Riordan, T. Kumamaru, 1982, Analytical biochemistry.

Indirect atomic-absorption determination of ppM levels of arsenic by combustion of an MIBK extract of arsenomolybdic acid.

T. Kumamaru, Y. Yamamoto, Y. Hayashi, 1972, Talanta.

The spectrophotometric determination of anions by solvent extraction with metal chelate cations: Part L. Spectrophotometric determination of iodide by solvent extraction as bis(neocuproine)copper(I) tri-iodide

Manabu Yamamoto, T. Kumamaru, Yuroku Yamamoto, 1974 .

Solvent extraction of anions with metal chelate cations-XVIII Spectrophotometric determination of maleic acid in the presence of fumaric acid by solvent extraction with tris(1,10-phenanthroline)iron(ii) chelate cations.

T. Kumamaru, Y. Yamamoto, M. Muranaka, 1972, Talanta.

Determination of picogram quantities of zinc in zinc metalloproteins by atomic absorption spectrometry using a graphite furnace atomizer.

B. Vallee, J. Riordan, T. Kumamaru, 1982, Analytical Biochemistry.

Determination of Mercury by Graphite Furnace Atomic Absorption Spectrometry after Ion-Pair Extraction with Zephiramine in Small Scale

Y. Okamoto, T. Kumamaru, H. Matsuo, 1987 .

Determination of Indium in Aluminum Alloy by Electrothermal Atomic Absorption Spectrometry with a Tungsten-Coated L’vov Platform Tube

Y. Okamoto, T. Kumamaru, E. Iwamoto, 1999 .

Atomization of tin in saline water media in graphite furnace atomic absorption spectrometry with a tungsten-coated tube using palladium as a chemical modifier

T. Kumamaru, E. Iwamoto, Hiromichi Shimazu, 1993 .

Solvent extraction coupled on-line to a reversed micellar mediated chemiluminescence detection system for trace-level determination of atropine.

T. Kumamaru, T. Fujiwara, I. Mohammadzai, 2000, Analytical Chemistry.

Reversed Micellar Mediated Luminol Chemiluminescence Detection of Iron(II, III) Combined with On-Line Solvent Extraction Using 8-Quinolinol

Y. Okamoto, T. Kumamaru, H. Inoue, 1998 .

Solvent extraction and chemiluminescence determination of gold in silver alloy with luminol in reverse micelles

Imdadullah, T. Kumamaru, T. Fujiwara, 1993 .

Catalytic Behavior of Iron(III)-8-quinolinol Complex in the Chemiluminescence Reaction of Luminol with Hydrogen Peroxide in Reverse Micelles.

T. Kumamaru, T. Fujiwara, N. Tanimoto, 1991 .

CHEMILUMINESCENCE FROM THE REACTION OF CHLOROAURIC ACID WITH LUMINOL IN REVERSE MICELLES AND ITS APPLICATION TO THE DETERMINATION OF TRACE LEVEL OF GOLD

Imdadullah, T. Kumamaru, T. Fujiwara, 1991 .

Catalytic behavior of tris(2,2'-bipyridine)iron(II) complex in chemiluminescence reaction of luminol in reversed micellar medium of cetyltrimethylammonium chloride.

T. Kumamaru, T. Fujiwara, I. Mohammadzai, 2007, Journal of colloid and interface science.

An Improved Method for the Flow-Injection Determination of Iodine Using the Luminol Chemiluminescence Reaction in a Reversed Micellar Medium of Cetyltrimethylammonium Chloride in 1-Hexanol-Cyclohexane

T. Kumamaru, T. Fujiwara, I. Mohammadzai, 2006, Analytical sciences : the international journal of the Japan Society for Analytical Chemistry.

Dual Cation-Selective Membrane Tube Electrodialysis/Ion Chromatography for Halide Ions in Strongly Basic Solutions and Its Application to the Analysis of Rock Samples

K. Hayashi, Y. Okamoto, T. Kumamaru, 1993 .

Electrothermal Vaporisation System Including In Situ Digestion for the Direct Determination of Lead in Botanical Samples by Inductively Coupled Plasma Atomic Emission Spectrometry

Y. Okamoto, T. Kumamaru, N. Takagaki, 1997 .

Photocatalytic dehalogenation coupled on-line to a reversed micellar-mediated chemiluminescence detection system: application to the determination of iodinated aromatic compounds.

T. Kumamaru, H. Inoue, T. Fujiwara, 2003, Analytical Chemistry.

Volatilization of refractory elements as 8-hydroxyquinolinate complexes for sample introduction in inductively coupled plasma atomic emission spectrometry

S. Tao, T. Kumamaru, 1995 .

Determination of gallium by graphite furnace atomic absorption spectrometry with combined use of a tungsten-coated L'vov platform tube and a chemical modification technique

Y. Okamoto, T. Kumamaru, E. Iwamoto, 1999 .

Determination of ultra-trace levels of cobalt by ion chromatographic separation and chemiluminescence detection

Manabu Yamamoto, T. Kumamaru, T. Fujiwara, 1989 .

Indirect atomic-absorption determination of boron by solvent extraction as tris(1,10-phenanthroline)cadmium tetrafluoroborate.

T. Kumamaru, S. Matsushita, Y. Hayashi, 1973, Talanta.

Effect of Oxovanadium(IV) Acetylacetonate on the Chemiluminescence Reaction of Luminol in Reverse Micelles.

Y. Okamoto, T. Kumamaru, T. Kyaw, 1997 .