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51

Fluorometric determination of nitrite in natural waters with 3-aminonaphthalene-1,5-disulphonic acid by flow-injection analysis

Shoji Motomizu, Hiroshi Mikasa, Kyoji Tôei

Journal:

Year:

1986

Language:

english

File:

PDF, 350 KB

english, 1986

52

Extraction-spectrophotometric determination of boron with 4,6-Di-tert-butyl-3-methoxycatechol and ethyl violet

Mitsuko Oshima, Kiyomi Shibata, Takako Gyouten, Shoji Motomizu, Kyoji Tôei

Journal:

Year:

1988

Language:

english

File:

PDF, 374 KB

english, 1988

53

Nitrosophenol and nitrosonaphthol derivatives as reagents for the spectrophotometric determination of iron and determination of micro-amounts in waters with 2-nitroso-5-dimethylaminophenol

Tôei, Kyoji, Motomizu, Shoji, Korenaga, Takashi

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1975

Language:

english

File:

PDF, 772 KB

english, 1975

54

Determination of selenium in human blood by gas chromatography with electron-capture detection

Kurahashi, Kengo, Inoue, Shinya, Yonekura, Shigeru, Shimoishi, Yasuaki, Tôei, Kyoji

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1980

Language:

english

File:

PDF, 493 KB

english, 1980

55

Gas-diffusion unit with tubular microporous poly(tetrafluoroethylene) membrane for flow-injection determination of carbon dioxide

Motomizu, Shoji., Toei, Kyoji., Kuwaki, Tohru., Oshima, Mitsuko.

Journal:

Analytical Chemistry

Year:

1987

Language:

english

File:

PDF, 285 KB

english, 1987

56

Solvent extraction-spectrophotometric determination of boron with 2,4-dinitro-1,8-naphthalenediol and Brilliant Green

Kuwada, Kiyoaki., Motomizu, Shoji., Toei, Kyoji.

Journal:

Analytical Chemistry

Year:

1978

Language:

english

File:

PDF, 690 KB

english, 1978

57

Gas chromatographic determination of selenium(-II, 0), -(IV), and -(VI) in natural waters

Uchida, Hirofumi., Shimoishi, Yasuaki., Toei, Kyoji.

Journal:

Environmental Science & Technology

Year:

1980

Language:

english

File:

PDF, 457 KB

english, 1980

58

Determination of boron by ion-pair liquid chromatography with 1,8-dihydroxynaphthalene-3,6-disulfonic acid

Motomizu, Shoji., Sawatani, Ikuo., Oshima, Mitsuko., Toei, Kyoji.

Journal:

Analytical Chemistry

Year:

1983

Language:

english

File:

PDF, 402 KB

english, 1983

59

Solvent extraction-spectrophotometric determination of boron with 3,5-di-tert-butylcatechol and ethyl violet

Oshima, Mitsuko., Motomizu, Shoji., Toei, Kyoji.

Journal:

Analytical Chemistry

Year:

1984

Language:

english

File:

PDF, 358 KB

english, 1984

60

Improved extraction method for the spectrophotometric determination of trace amounts of boron in river water with 1,8-dihydroxynaphthalene-4-sulphonic acid and removal of the excess of reagent

Korenaga, Takashi, Motomizu, Shoji, Tôei, Kyoji

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1980

Language:

english

File:

PDF, 671 KB

english, 1980

61

Spectrophotometric determination of trace amounts of iron in pure reagent chemicals by solvent extraction as the ternary complex of iron(II), 4-chloro-2-nitrosophenol and Rhodamine B

Tôei, Kyoji, Motomizu, Shoji, Korenaga, Takashi

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1976

Language:

english

File:

PDF, 737 KB

english, 1976

62

Modified extraction procedure for the spectrophotometric determination of trace amounts of aluminium in sea water with pyrocatechol violet and removal of excess of reagent

Korenaga, Takashi, Motomizu, Shoji, Tôei, Kyoji

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1980

Language:

english

File:

PDF, 491 KB

english, 1980

63

Properties and uses of the colorimetric reagents 2-nitroso-5-diethylaminophenol and 2-nitroso-5-diethylaminophenol for cobalt. A review

Tôei, Kyoji, Motomizu, Shoji

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1976

Language:

english

File:

PDF, 1.24 MB

english, 1976

64

Determination of residues of carboxylic acids (mainly galacturonic acid) and their degree of esterification in industrial pectins by colloid titration with Cat-Floc

Mizote, Atsunobu, Odagiri, Hiroyuki, Tôei, Kyoji, Tanaka, Kazuko

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1975

Language:

english

File:

PDF, 475 KB

english, 1975

65

Spectrophotometric determination of iodide ion using palladium and 2-nitroso-5-diethylaminophenol

Hamada, Shoichi, Motomizu, Shoji, Tôei, Kyoji

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1979

Language:

english

File:

PDF, 201 KB

english, 1979

66

Spectrophotometric determination of phosphorus and arsenic in steel by solvent extraction of their heteropolyacids with ethyl violet

Motomizu, Shoji, Wakimoto, Toshiaki, Toei, Kyoji

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1983

Language:

english

File:

PDF, 678 KB

english, 1983

67

Determination of nitrate and nitrite in river waters

Okada, Mieko, Miyata, Haruo, Tôei, Kyoji

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1979

Language:

english

File:

PDF, 241 KB

english, 1979

68

Spectrophotometric determination of anionic surfactants in river waters using 1-(4-nitrobenzyl)-4-(4-diethylaminophenylazo)-pyridinium bromide

Higuchi, Keiro, Shimoishi, Yasuaki, Miyata, Haruo, Tôei, Kyoji, Hayami, Tadashi

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1980

Language:

english

File:

PDF, 474 KB

english, 1980

69

Spectrophotometry Determination Of Boron With 4-(P-Sulfophenylazo)-1, 8-Dihydroxynaphthalene

Korenaga, Takashi, Motomizu, Shoji, Tôei, Kyoji

Journal:

Analytical Letters

Year:

1980

Language:

english

File:

PDF, 303 KB

english, 1980

70

The Separation of Potassium by Solvent Extraction

Iwachido, Tadashi, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1964

Language:

english

File:

PDF, 5.77 MB

english, 1964

71

Syntheses of 2-, 3- and 4-(1,8-Dihydroxy-3,6-disulfo-2-naphthylazo)-mandelic Acids as New Reagents, and the Thorium Complex of the 2-Isomer

Tôei, Kyoji, Miyata, Haruo, Mitsumata, Tadayasu

Journal:

Bulletin of the Chemical Society of Japan

Year:

1965

Language:

english

File:

PDF, 1.79 MB

english, 1965

72

The Synthesis of 2-(1,8-Dihydroxy-3,6-disulfo-2-naphthylazo)-phenoxyacetic Acid as a New Reagent and Its Thorium Complex

Tôei, Kyoji, Miyata, Haruo, Shibata, Toshiya, Miyamura, Sadao

Journal:

Bulletin of the Chemical Society of Japan

Year:

1965

Language:

english

File:

PDF, 2.14 MB

english, 1965

73

Studies of the Interaction between the Picrate Ion and Alkali Metal Ions

Yamane, Mitsuo, Iwachido, Tadashi, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1971

File:

PDF, 645 KB

1971

74

The Synthesis of Phosphonophenylazochromotropic Acids and the Stability Constants of Its Alkaline Earth Metal Chelates

Kina, Kenyu, Miyata, Haruo, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1971

File:

PDF, 485 KB

1971

75

The Chelating Behavior of 1-(2-Phosphonophenylazo)-2-hydroxynaphthalene-3,6-disulfonic Acid with Alkaline Earth Metals

Kina, Kenyu, Miyata, Haruo, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1971

File:

PDF, 441 KB

1971

76

Polysoap as a New Titrant for the Determination of Sodium Dodecylbenzenesulfonate by Colloid Titration

Ono, Toshiro, Miyata, Haruo, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1979

File:

PDF, 366 KB

1979

77

The Extractability of Potassium as Picrates (KPic and K(L)Pic, L: 18-Crown-6) and Its Relationship to the Properties of the Solvents

Iwachido, Tadashi, Minami, Masayoshi, Naito, Hirohiko, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1982

File:

PDF, 664 KB

1982

78

Spectrophotometric Determination of Sodium 4-Dodecylbenzenesulfonate with 1-( N -Methylpyridinium-4-yl-azo)-4-(4-diethylaminophenylazo)naphthalene Iodide

Higuchi, Keiro, Shimoishi, Yasuaki, Miyata, Haruo, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1982

File:

PDF, 265 KB

1982

79

Synthetic and Analytical Studies on Color Reagents. VIII. o -Halogeno- o ′-hydroxyazo Compounds

Iwachido, Tadashi, Miyata, Haruo, Toei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1960

Language:

english

File:

PDF, 5.87 MB

english, 1960

80

The Selective Titrations of Calcium in the Presence of Magnesium

Date, Yoshiko, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1963

Language:

english

File:

PDF, 7.37 MB

english, 1963

81

Chromotropic Acid and Its Zirconyl and Thorium Complexes

Sakaguchi, Michiaki, Mizote, Atsunobu, Miyata, Haruo, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1963

Language:

english

File:

PDF, 10.20 MB

english, 1963

82

A Spectrophotometric Study on the Thorium Complex of o -Carboxyphenyl-azo-chromotropic Acid

Tôei, Kyoji, Miyata, Haruo, Harada, Takuji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1967

Language:

english

File:

PDF, 7.65 MB

english, 1967

83

The Dissociation Phenomena of o -Phenol- and m -Chloro- o -phenolazochromotropic Acids and the Formation Constants of Magnesium and Calcium Chelates

Nakashima, Susumu, Miyata, Haruo, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1967

Language:

english

File:

PDF, 5.46 MB

english, 1967

84

The Extraction of Potassium with α-Hexyl in Nitrobenzene

Iwachido, Tadashi, Ukai, Satoru, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1967

Language:

english

File:

PDF, 2.71 MB

english, 1967

85

Investigation of Copper(II) Chelate with Chromotropic Acid

Wake, Ryousuke, Miyata, Haruo, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1968

Language:

english

File:

PDF, 3.53 MB

english, 1968

86

Stability Constants of Cu(II) Chelates with o -Phenylenediamine Derivatives

Kina, Kenyu, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1971

File:

PDF, 647 KB

1971

87

Stability Constants of Alkaline Earth Metals with o -Arsono- o ′-hydroxy Azo Compounds

Kina, Kenyu, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1971

File:

PDF, 588 KB

1971

88

A Comparison of 4-Hydroxynaphthalene-2,7-disulfonic Acid with Chromotropic Acid as a Coupling Component of Azo type Metallochromic Indicators

Katayama, Takeshi, Miyata, Haruo, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1971

File:

PDF, 553 KB

1971

89

The Extraction of Alkali Metal Picrates into Benzene by Means of 18-Crown-6

Iwachido, Tadashi, Sadakane, Akira, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1978

File:

PDF, 307 KB

1978

90

The Determination of the Dissociation Constants of Picric Acid and 2,2′,4,4′,6,6′-Hexanitrodiphenylamine in Ketone–Water Mixtures

Iwachido, Tadashi, Oosawa, Shinji, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1985

File:

PDF, 291 KB

1985

91

The Chromatographic Behavior of Alkali and Alkaline Earth Metal Cations on Crown Ether-Modified Silica Gels and Polymer Matrices

Iwachido, Tadashi, Naito, Hirohiko, Samukawa, Fumihiko, Ishimaru, Kenji, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1986

File:

PDF, 860 KB

1986

92

THE COEXTRACTION OF WATER WITH ALKALI AND ALKALINE EARTH METALS HEXANITRODIPKENYLAMINATES AND ANALOGOUS AMINATES

Kawasaki, Mikio, Tôei, Kyoji, Iwachido, Tadashi

Journal:

Chemistry Letters

Year:

1972

Language:

english

File:

PDF, 6.85 MB

english, 1972

93

THE COEXTRACTION OF WATER INTO NITROBENZENE WITH ALKALINE EARTH METAL 2,2′,4,4′,6,6′-HEXANITRODIPHENYLAMINATES IN THE PRESENCE OF CROWN ETHERS

Iwachido, Tadashi, Minami, Masayoshi, Sadakane, Akira, Tôei, Kyoji

Journal:

Chemistry Letters

Year:

1977

Language:

english

File:

PDF, 6.21 MB

english, 1977

94

THE COEXTRACTION OF WATER INTO NITROBENZENE WITH ALKALI METAL SALTS OF HEXANITRODIPHENYLAMINE IN THE PRESENCE OF DIBENZO-18-CROWN-6

Iwachido, Tadashi, Kimura, Masaho, Tôei, Kyoji

Journal:

Chemistry Letters

Year:

1976

Language:

english

File:

PDF, 5.92 MB

english, 1976

95

EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF HIGHER CARBOXYLIC ACIDS WITH BIS[2-(5-CHLORO-2-PYRIDYLAZO)-5-DIETHYLAMINOPHENOL] COBALT(III) CHLORIDE

Seno, Kunihiko, Miyata, Haruo, Tôei, Kyoji

Journal:

Chemistry Letters

Year:

1982

Language:

english

File:

PDF, 2.99 MB

english, 1982

96

Studies of the Interaction between the Hexyl Anion and Alkali Metal Ions

Motomizu, Shoji, Tôei, Kyoji, Iwachido, Tadashi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1969

Language:

english

File:

PDF, 8.80 MB

english, 1969

97

The Chelate Formation of o -Substituted Phenylazochromotropic Acids with Alkaline Earth Metals

Nakashima, Susumu, Miyata, Haruo, Toei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1968

Language:

english

File:

PDF, 8.50 MB

english, 1968

98

Studies of the Ion-pairing of Hexylate and Picrate Ions with Alkali Metal Ions by Capillary Analysis

Sano, Kazuaki, Sakuma, Michio, Motomizu, Syoji, Iwachido, Tadashi, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1970

File:

PDF, 649 KB

1970

99

The Coextraction of Water into Nitrobenzene with Alkali and Alkaline Earth Metal Salts of 2,2′,4,4′,6,6′-Hexanitrodiphenylamine in the Presence of Several Crown Ethers and Cryptands

Iwachido, Tadashi, Minami, Masayosi, Kimura, Masaho, Sadakane, Akira, Kawasaki, Mikio, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1980

File:

PDF, 930 KB

1980

100

2,2′-Binaphthoxazoline

Ishida, Eisuke, Tôei, Kyoji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1963

Language:

english

File:

PDF, 2.36 MB

english, 1963