Nakagawa, Genkichi : rechercher sur Z-Library

Takao Tsuda, Isao Tanaka, Genkichi Nakagawa

Année:

1977

Langue:

english

Fichier:

PDF, 353 KB

english, 1977

Packed microcapillary liquid chromatography with reduced I.D. columns

Journal:

Chizuko Ohtsuka, Kimiyo Matsuzawa, Hiroko Wada, Genkichi Nakagawa

Année:

1982

Langue:

english

Fichier:

PDF, 459 KB

english, 1982

Chromatographic behaviour of 2-(2-pyridylazo)-5-[N-(sulphoalkyl)amino]phenol chelates on hydrophobic stationary phases

Journal:

Hiroko Wada, Xiao Jing Zhou, Tomosuke Ishizuki, Hiromichi Yamada, Genkichi Nakagawa

Année:

1991

Langue:

english

Fichier:

PDF, 594 KB

english, 1991

Direct determination of copper in serum by flow-injection analysis

Journal:

Hiroko Wada, Hiromichi Atsumi, Genkichi Nakagawa

Année:

1992

Langue:

english

Fichier:

PDF, 237 KB

english, 1992

Flow-injection fluorimetric determination of traces of calcium in brine

Journal:

Chizuko Ohtsuka, Kimiyo Matsuzawa, Hiroko Wada, Genkichi Nakagawa

Année:

1992

Langue:

english

Fichier:

PDF, 367 KB

english, 1992

Characterization of 2-(2-pyridylazo)-5-[N-(sulphoalkyl)amino]phenol derivatives as the precolumn chelating agent for trace metal determination by ion-pair reversed-phase liquid chromatography with spectrophotometric detection

Journal:

Année:

1992

Langue:

english

Fichier:

PDF, 389 KB

english, 1992

Determination of twelve elements in botanical samples with inductively coupled plasma atomic emission spectrometry after leaching with tetramethylammonium hydroxide and ethylenediaminetetraacetic acid

Tetsuo Uchida, Hirofumi Isoyama, Kyoko Yamada, Kyoko Oguchi, Genkichi Nakagawa, Hiroshi Sugie, Chuzo Iida

Journal:

Année:

1992

Langue:

english

Fichier:

PDF, 689 KB

english, 1992

Synthesis of 2-[2-(4-methylquinolyl)azo]-5-diethylaminophenol and its use for the spectrophotometric determination of nickel

Tomosuke Ishizuki, Masayoshi Tsuzuki, Akio Yuchi, Tadao Ozawa, Hiroko Wada, Genkichi Nakagawa

Journal:

Chizuko Ohtsuka, Kimiyo Matsuzuwa, Hiroko Wada, Genkichi Nakagawa

Année:

1993

Langue:

english

Fichier:

PDF, 492 KB

english, 1993

Retention behaviour of metal chelates in ion-pair reversed-phase liquid chromatography as a function of mobile phase composition with methanol-water and acetonitrile-water mobile phases

Journal:

Année:

1994

Langue:

english

Fichier:

PDF, 517 KB

english, 1994

Reversed-phase high-performance liquid chromatography of several metal-8-quinolinethiol complexes

Takashi Yasui, Akio Yuchi, Hiroko Wada, Genkichi Nakagawa

Journal:

Année:

1992

Langue:

english

Fichier:

PDF, 472 KB

english, 1992

Ion chromatography of alkaline earth and heavy metal ions by on-column derivatization with bisazochromotropic acid

Hiroko Wada, Muneyoshi Matsushita, Takashi Yasui, Akio Yuchi, Hiromichi Yamada, Genkichi Nakagawa, Chizuko Ohtsuka

Journal:

Hiroko Wada, Heisuke Askura, Gogineni Venkata Rattaiah, Genkichi Nakagawa

Année:

1993

Langue:

english

Fichier:

PDF, 520 KB

english, 1993

Preconcentration and determination of calcium and magnesium in brine with flow-injection systems

Journal:

Année:

1988

Langue:

english

Fichier:

PDF, 449 KB

english, 1988

Equilibrium study on the masking of aluminium ion in the determination of fluoride with ion-selective electrodes

Akio Yuchi, Kazuhiro Ueda, Hiroko Wada, Genkichi Nakagawa

Journal:

Hiroko Wada, Akio Yuchi, Genkichi Nakagawa

Année:

1986

Langue:

english

Fichier:

PDF, 394 KB

english, 1986

Spectrophotometric determination of magnesium by flow injection analysis with a ligand buffer for masking calcium

Journal:

Akio Yuchi, Hiroko Wada, Genkichi Nakagawa

Année:

1983

Langue:

english

Fichier:

PDF, 360 KB

english, 1983

The performance of a cadmium ion-selective electrode in metal buffer solutions and the determination of the stability constants of cadmium complexes

Journal:

Année:

1983

Langue:

english

Fichier:

PDF, 518 KB

english, 1983

Preparation and examination of calcium ion-selective electrodes for flow analysis

Hiroko Wada, Tadao Ozawa, Genkichi Nakagawa, Yasukazu Asano, Satoshi Ito

Journal:

Tsuyoshi Nomura, Kanji Masui, Genkichi Nakagawa

Année:

1988

Langue:

english

Fichier:

PDF, 495 KB

english, 1988

Anion-selective properties of alkali metal-free lead phosphate glasses containing silver chloride and their application in an ion-selective electrode

Journal:

Chizuko Ohtsuka, Hiroko Wada, Tomosuke Ishizuki, Genkichi Nakagawa

Année:

1990

Langue:

english

Fichier:

PDF, 433 KB

english, 1990

Reversed-phase ion-pair partition liquid chromatography of chelates with 2-(3,5-dibromo-2-pyridylazo)-5-[N-ethyl-N-(3-sulphopropyl) amino] phenol and analogues

Journal:

Tomosuke Ishizuki, Hiroko Wada, Genkichi Nakagawa

Année:

1989

Langue:

english

Fichier:

PDF, 507 KB

english, 1989

Synthesis of some antipyrinylazo and thiazolylazo compounds with pentan-2,4-dione and their reactions with metal ions

Journal:

Motoharu Tanaka, Genkichi Nakagawa

Année:

1988

Langue:

english

Fichier:

PDF, 489 KB

english, 1988

General considerations in compleximetric titrations

Journal:

Motoharu Tanaka, Genkichi Nakagawa

Année:

1965

Langue:

english

Fichier:

PDF, 1.06 MB

english, 1965

General considerations in the acid-base titrations in glacial acetic acid : An extension of the concept of ligand buffer

Journal:

Takao Tsuda, Katsuyoshi Tsuboi, Genkichi Nakagawa

Année:

1965

Langue:

english

Fichier:

PDF, 702 KB

english, 1965

Open-tubular microcapillary liquid chromatography with 20-μm I.D. columns

Journal:

Takao Tsuda, Takashi Nozu, Genkichi Nakagawa

Année:

1981

Langue:

english

Fichier:

PDF, 464 KB

english, 1981

Separation of chloro complexes of metals by micro-high-performance liquid chromatography

Journal:

Takao Tsuda, Kazuhiro Nomura, Genkichi Nakagawa

Année:

1982

Langue:

english

Fichier:

PDF, 437 KB

english, 1982

Open-tubular microcapillary liquid chromatography with electro-osmosis flow using a UV detector

Journal:

Année:

1982

Langue:

english

Fichier:

PDF, 422 KB

english, 1982

Reversed-phase ion-pair partition chromatography of iron, cobalt and nickel chelates with 4-hydroxy-3-(2-pyridylazo)naphthalene-1-sulphonic acid

Hiroko Wada, Shinji Nezu, Tadao Ozawa, Genkichi Nakagawa

Journal:

Takao Tsuda, Genkichi Nakagawa

Année:

1984

Langue:

english

Fichier:

PDF, 463 KB

english, 1984

Open-tubular microcapillary liquid chromatography with 30–40 μm I.D. columns

Journal:

Takao Tsuda, Kazuhiro Nomura, Genkichi Nakagawa

Année:

1980

Langue:

english

Fichier:

PDF, 650 KB

english, 1980

Separation of organic and metal ions by high-voltage capillary electrophoresis

Journal:

Takao Tsuda, Genkichi Nakagawa

Année:

1983

Langue:

english

Fichier:

PDF, 488 KB

english, 1983

Open-tubular liquid chromatography with 5–10-μm I.D. Columns

Journal:

Tsuyoshi Nomura, Genkichi Nakagawa

Année:

1983

Langue:

english

Fichier:

PDF, 378 KB

english, 1983

Tensammetric determination of microgram amounts of EDTA using a catalytic oxidation of 2-amino-4-methylphenol with vanadium

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Année:

1980

Langue:

english

Fichier:

PDF, 280 KB

english, 1980

Simultaneous determination of iron and copper ions by low-injection analysis with a multichannel photodiode-array detector

Hiroko Wada, Tomoaki Murakawa, Genkichi Nakagawa

Journal:

Masunobu Maeda, Yoshihiro Tanaka, Genkichi Nakagawa

Année:

1987

Langue:

english

Fichier:

PDF, 415 KB

english, 1987

Potentiometric investigation of complex formation of lead(II) with glycine and dl-alanine

Journal:

Journal of Inorganic and Nuclear Chemistry

Année:

1979

Langue:

english

Fichier:

PDF, 420 KB

english, 1979

Potentiometric investigation of complex formation of Pb(II) with 2-amino-2-methylpropanoic acid and dl-2-aminobutanoic acid

Masunobu Maeda, Yoshihiro Tanaka, Genkichi Nakagawa

Journal:

Journal of Inorganic and Nuclear Chemistry

Année:

1981

Langue:

english

Fichier:

PDF, 244 KB

english, 1981

Formation constants for Pb(II)-iminodiacetic acid complexes as determined by potentiometry with glass, Pb-Amalgam and lead ion-selective electrodes

Masunobu Maeda, Masaaki Ohnishi, Genkichi Nakagawa

Journal:

Journal of Inorganic and Nuclear Chemistry

Année:

1981

Langue:

english

Fichier:

PDF, 256 KB

english, 1981

Effects of solvation on partition and dimerization of benzoic acid in mixed solvent systems

Hiromichi Yamada, Kyoko Yajima, Hiroko Wada, Genkichi Nakagawa

Journal:

Genkichi Nakagawa, Motoharu Tanaka

Année:

1995

Langue:

english

Fichier:

PDF, 515 KB

english, 1995

Quantitative treatment of exchange equilibria involving complexans—I: Polarographic determination of calcium in the presence of magnesium

Journal:

Genkichi Nakagawa, Motoharu Tanaka

Année:

1962

Langue:

english

Fichier:

PDF, 590 KB

english, 1962

Quantitative treatment of exchange equilibria involving complexans—I: General consideration and scope of applications in analytical chemistry

Journal:

Genkichi Nakagawa, Hiroko Wada, Motoharu Tanaka

Année:

1962

Langue:

english

Fichier:

PDF, 475 KB

english, 1962

Quantitative treatment of exchange equilibria involving complexans—III: chelatometric determination of calcium in presence of magnesium with EGTA

Journal:

Genkichi Nakagawa, Ichiro Namiki, Motoharu Tanaka

Année:

1963

Langue:

english

Fichier:

PDF, 193 KB

english, 1963

Quantitative treatment of exchange equilibria involving complexans-IV: Indirect photometric determination of a very small amount of calcium

Journal:

Genkichi Nakagawa, Motoharu Tanaka

Année:

1966

Langue:

english

Fichier:

PDF, 462 KB

english, 1966

Use of ligand buffers for improved selectivity in the polarographic determination of metals: Polarographic determination of zinc in the presence of a large amount of cadmium

Journal:

Genkichi Nakagawa, Hiroko Wada

Année:

1972

Langue:

english

Fichier:

PDF, 548 KB

english, 1972

Effects of auxiliary complex-forming agents on the rate of metallochromic indicator colour change

Journal:

Hiroko Wada, Osamu Nakazawa, Genkichi Nakagawa

Année:

1973

Langue:

english

Fichier:

PDF, 358 KB

english, 1973

Evaluation of 1-(2-thiazolylazo)-2-hydroxy-3-naphthoic acid as a metallochromic indicator

Journal:

Genkichi Nakagawa, Hiroko Wada

Année:

1974

Langue:

english

Fichier:

PDF, 360 KB

english, 1974

Effects of auxiliary complex-forming agents on the rate of metallochromic indicator colour change—II: Mechanism of the colour change of pan in copper-EDTA titrations

Journal:

Genkichi Nakagawa, Hiroko Wada, Osamu Nakazawa

Année:

1975

Langue:

english

Fichier:

PDF, 328 KB

english, 1975

Effects of auxiliary complex-forming agents on the rate of metallochromic indicator colour-change—III: Mechanism of the colour change of tac in nickel-edta titrations

Journal:

Hiroko Wada, Tomosuke Ishizuki, Genkichi Nakagawa

Année:

1976

Langue:

english

Fichier:

PDF, 283 KB

english, 1976

Effects of auxiliary complex-forming agents on the rate of metallochromic indicator colour change-IV: Mechanism of the colour change of xylenol orange in copper(II)-edta titrations

Journal:

Tsuyoshi Nomura, Genkichi Nakagawa

Année:

1976

Langue:

english

Fichier:

PDF, 252 KB

english, 1976

Tensammetric determination of microgram amounts of vanadium by catalytic oxidation of o-aminophenol.

Journal: