M. Otomo

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Spectrophotometric Study of the Formation and Protolytic Equilibria for Iron(II) Complexes of Di-2-pyridylmethanone 2-Pyridylhydrazone and Di-2-pyridylmethanone 2-Quinolylhydrazone

K. Doi, M. Otomo, T. Taya, 1991 .

Complexation Behavior of Heterocyclic Hydrazones. II. Effects of Steric Factors on Formation Constants for Nickel(II) Complexes with Heterocyclic Hydrazones

K. Doi, M. Otomo, T. Taya, 1994 .

Spectrophotometric investigation of the formation of association complexes between alizarin red S and β-cyclodextrin

K. Doi, M. Otomo, T. Taya, 1991 .

Heterocyclic Azomethine Compounds and Their Reduction Products as Analytical Reagents. I. Syntheses and Acid Dissociation Constants of Picolinaldehyde 2-Hydroxyanil and Its Derivatives and Their Reactions with Metal Ions

M. Otomo, K. Kodama, 1973 .

Benzothiazole-2-aldehyde-2-quinolylhydrazone as a reagent for the extractive spectrophotometric determination of copper (II)

M. Otomo, H. Noda, Makoto Otomo, 1978 .

Complexation Behavior of Heterocyclic Hydrazones. I. Structure and Acid-Base Equilibria for Heterocyclic Hydrazones

K. Doi, T. Sakamoto, M. Otomo, 1993 .

Extractive Spectrophotometric Determination of Palladium with Di-2-pyridylmethanone 2-(5-Nitro)pyridylhydrazone

M. Otomo, T. Kanetake, Makoto Otomo, 1988 .

2,2'-Dipyridyl-2-quinolylhydrazone as a reagent for the spectrophotometric determination of metals

M. Otomo, Makoto Otomo, 1980 .

Solvent extraction and spectrophotometric determination of palladium(II) with some nitrogen-containing heterocyclic hydrazones in the presence of chloride ions

M. Otomo, I. Nakayama, Makoto Otomo, 1980 .

Silver Ion Selective Extraction with Dithiaza-, Tetrathiaza-, and Tetrathiadiazacrown Ether Derivatives

Junichi Ishikawa, H. Sakamoto, M. Otomo, 1995 .

Silver Selectivity of Novel Monoazapolythioether Derivatives Bearing a Hydrazone Group in the Solvent Extraction.

Junichi Ishikawa, H. Sakamoto, K. Doi, 1993 .

Heterocyclic Azomethine Compounds and Their Reduction Products as Analytical Reagents. II. The Reaction of 1-Picolylideneamino-2-naphthol with Zinc(II)

K. Fukui, M. Otomo, K. Kodama, 1974 .

Solvent Extraction of Transition Metal Ions with Acyclic Polyethers Incorporating Several Heteroatoms and Bearing Heterocyclic Moieties as End Groups

H. Sakamoto, M. Otomo, S. Ito, 1995 .

The Extraction of Bis(8-picolylideneaminoquinoline)iron(II) Perchlorate into Nitrobenzene

M. Otomo, K. Kodama, 1975 .

Acyclic and cyclic polythiamonoaza- and polythiadiaza-alkane hydrazone derivatives as chromogenic extractants for silver ion

Junichi Ishikawa, H. Sakamoto, M. Otomo, 1998 .

Hydrazones Derived from Dithiamonoaza and Tetrathiamonoaza Analogs of Polyethers as Silver Ion Selective Ionophores: Syntheses, Proton-Dissociation Behaviors, and Metal Ion Complexing Properties in 1,4-Dioxane–Water Acidic Solution

Junichi Ishikawa, H. Sakamoto, M. Otomo, 1995 .

Synthesis of Higher-nuclearity Clusters by Use of Small Cluster Units as Building Blocks. Syntheses and X-Ray Analyses of p-[Co3(CO)9C]2C6H4 and [CH3CCo3(CO)8]2(μ-dppfe)

S. Onaka, M. Otsuka, K. Sako, 1994 .

Spectrophotometric determination of iron(II) with 2-(3′-sulfobenzoyl)pyridine benzoylhydrazone

T. Nakanishi, M. Otomo, 1987 .

Solvent extraction and spectrophotometric determination of iron(II) with di-2-pyridyl ketone benzoylhydrazone

T. Nakanishi, M. Otomo, 1986 .

Extraction-Spectrophotometric Determination of Palladium(H) with Di-2-pyridyl Ketone Benzoylhydrazone

T. Nakanishi, M. Otomo, Makoto Otomo, 1985 .

Solvent extraction of the indium-alizarin Red S chelate as its 1,3-diphenylgaunidium salt.

M. Otomo, K. Tonosaki, Makoto Otomo, 1971, Talanta.

The Extraction and Spectrophotometric Determination of Vanadium(IV) with Tiron

Yoshinobu Wakamatsu, M. Otomo, 1974 .

Spectrophotometric determination of thorium (IV) with Xylenol Orange and Methylthymol Blue

M. Otomo, 1965 .

The Spectrophotometric Determination of Thallium(III) with Xylenol Orange

M. Otomo, 1965 .

Mixed ligand complexes formed with copper(II)-1,10-phenanthroline complex and some bidentate ligands

M. Otomo, 1972 .

The Spectrophotometric Determination of Vanadium(IV) with Xylenol Orange

M. Otomo, 1963 .

Solvent Extraction and Spectrophotometric Determination of Nickel (II) with Thiazole-2-carbaldehyde 2-Quinolylhydrazone

Tsuyoshi Watanabe, M. Otomo, M. Moriya, 1986 .

Spectrophotometric Determination of Cerium(III) and Some Rare Earths with Xylenol Orange

M. Otomo, K. Tonosaki, 1962 .

Solvent extraction and spectrophotometric determination of vanadium(V) with 2,2'-dipyridyl-2-quinolylhydrazone

K. Doi, M. Otomo, H. Ogawa, 1985 .

The Extraction and Spectrophotometric Determination of Titanium(IV) with Tiron

Yoshinobu Wakamatsu, M. Otomo, Makoto Otomo, 1972 .

Solvent Extraction and Spectrophotometric Determination of Vanadium(IV) with Methylthymol Blue

Yoshinobu Wakamatsu, M. Otomo, 1969 .

The Spectrophotometric Determination of Titanium with Hydrogen Peroxide and Xylenol Orange

M. Otomo, 1963 .

The Spectrophotometric Determination of Aluminum with Xylenol Orange

M. Otomo, 1963 .

Solvent extraction and spectrophotometric determination of iron(II) with 2,2′-dipyridyl-2-quinolylhydrazone

H. Kako, M. Otomo, Sehchiro Ano, 1981 .

The Spectrophotometric Determination of Titanium with Xylenol Orange

M. Otomo, 1963 .

The spectrophotometric determination of iron(III) with sodium 2-bromo-4,5-dihydroxyazobenzene-4'-sulfonate in the presence of cetylpyridinium chloride

Yoshinobu Wakamatsu, M. Otomo, 1975 .

A Spectrophotometric Study of Xylenol Orange as a Color Reagent for Beryllium

M. Otomo, 1965 .

The Spectrophotometric Determination of Palladium(II) with Xylenol Orange

M. Otomo, 1963 .

Determination of traces of copper in tap water, iron and steels by electrothermal zeeman atomic absorption spectrometry with a graphite cupped furnace

K. Ito, I. Atsuya, M. Otomo, 1983 .

The Spectrophotometric Determination of Cadmium with Xylenol Orange

M. Otomo, 1964 .

Benzocrown ether hydrazones as extractants for alkali metal ions

Junichi Ishikawa, H. Sakamoto, K. Doi, 1993 .

Compositional Variation of Ionizable Crown Ether-Alkali Metal Ion Complexes in the Solvent Extraction Using Several Extraction Solvents

H. Sakamoto, K. Doi, Hiroki Goto, 1992 .