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Dive into the research topics where Kisaburo Umemoto is active.

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Featured researches published by Kisaburo Umemoto.


Electrochimica Acta | 1981

Thermodynamic studies on thallium halides formation in N, N-dimethylformamide

Yukio Sasaki; Masao Takizawa; Kisaburo Umemoto; Niro Matsuura

Abstract The differences of the order of stability among halide ions for metal halogeno-complexes in nonaqueous solvents and water are examined by the thermodynamic constants for formation of thallium halides of transfer from water to N, N -dimethylformamide (DMF). The thermodynamic constants for formation of thallium halides were calculated from solubility products of thallium halides. The differences of the order of stability for thallium halides were found to be dependent mainly on the enthalpy changes for formation of thallium halides of transfer from water to DMF.


Bulletin of the Chemical Society of Japan | 1989

Electrochemical studies of the reduction mechanism of tetrazolium salts and formazans.

Kisaburo Umemoto


Bulletin of the Chemical Society of Japan | 1976

Formation Constants of Dibenzo-18-crown-6 Complexes with Alkali Metal Ions in DMSO, DMF, and PC at 25°C

Niro Matsuura; Kisaburo Umemoto; Yasuyuki Takeda; Atsuko Sasaki


Bulletin of the Chemical Society of Japan | 1975

Formulation of Stokes’ Radii in DMF, DMSO and Propylene Carbonate with Solvent Structure Cavity Size as Parameter

Niro Matsuura; Kisaburo Umemoto; Yasuyuki Takeda


Bulletin of the Chemical Society of Japan | 1974

Standard Potentials of Alkali Metals, Silver, and Thallium Metal/Ion Couples in N,N′-Dimethylformamide, Dimethyl Sulfoxide, and Propylene Carbonate

Niro Matsuura; Kisaburo Umemoto; Zen’ichi Takeuchi


Bulletin of the Chemical Society of Japan | 1985

Reduction Mechanism of 2,3,5-Triphenyltetrazolium Chloride and 1,3,5-Triphenylformazan

Kisaburo Umemoto


Bulletin of the Chemical Society of Japan | 1974

Normalization of Potentials in Propylene Carbonate, Ethylene Carbonate, N,N′-Dimethylformamide, and Dimethyl Sulfoxide to the Water Scale Studied by Polarographic Method

Niro Matsuura; Kisaburo Umemoto; Masako Waki; Zen’ichi Takeughi; Mariko Omoto


Bulletin of the Chemical Society of Japan | 1986

Reaction of Hydroxide Ion with Electron Acceptors in Dimethyl Sulfoxide

Kisaburo Umemoto; Nobuyuki Okamura


Bulletin of the Chemical Society of Japan | 1974

Medium Effects for Single Ions in Dimethyl Sulfoxide, N , N ′-Dimethylformamide, and Propylene Carbonate

Niro Matsuura; Kisaburo Umemoto


Bulletin of the Chemical Society of Japan | 1992

An Isomeric Series of Thiophene-Fused Tetracyanoquinodimethanes. I. Preparation and Physico-Chemical Properties.

Keiji Kobayashi; Chhabi L. Gajurel; Kisaburo Umemoto; Yasuhiro Mazaki

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Yukio Sasaki

Tokyo Polytechnic University

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