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1

Spectrophotometric determination of iron(II) after separation by extraction of its ternary complex with 1,10-phenanthroline and tetraphenylborate into molten naphthalene

Lih-Fen Chang, Masatada Satake, Tooru Kuwamoto, B.K. Puri

Journal:

Microchemical Journal

Year:

1986

Language:

english

File:

PDF, 332 KB

english, 1986

2

Ion chromatographic determination of silicic acid in natural water

Okada, Tetsuo., Kuwamoto, Tooru.

Journal:

Analytical Chemistry

Year:

1985

Language:

english

File:

PDF, 575 KB

english, 1985

3

Non-suppressed ion chromatography of arsenic anions with potassium hydroxide-aromatic salt mixed eluents

Naoki Hirayama, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1988

Language:

english

File:

PDF, 437 KB

english, 1988

4

Use of β-diketonate anions as eluent in non-suppressed ion chromatography: Acetylacetonate eluent for the separation of fluoride and chloride

Naoki Hirayama, Masahiro Maruo, Akinobu Shiota, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 474 KB

english, 1990

5

Determination of dissociation constants of aromatic carboxylic acids by ion chromatography

Naoki Hirayama, Masahiro Maruo, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1993

Language:

english

File:

PDF, 345 KB

english, 1993

6

Use of β-diketonate anions as eluent in non-suppressed ion chromatography: 1,3-cyclohexanedionate as acidic eluent

Naoki Hirayama, Masahiro Maruo, Akinobu Shiota, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1995

Language:

english

File:

PDF, 348 KB

english, 1995

7

Vapor pressure measurements in carrier gas containing ligand vapor using the transpiration technique

Norio Matsubara, Tooru Kuwamoto

Journal:

Thermochimica Acta

Year:

1985

Language:

english

File:

PDF, 311 KB

english, 1985

8

Detection and determination of fluoride and chloride with non-suppressed ion chromatography using acetylacetonate eluent

Naoki Hirayama, Tooru Kuwamoto

Journal:

Reactive Polymers

Year:

1992

Language:

english

File:

PDF, 75 KB

english, 1992

9

Ion choromatographic separation and determination of tungstate, molybdate, chromate and vanadate

Masahiro Maruo, Tooru Kuwamoto

Journal:

Reactive Polymers

Year:

1992

Language:

english

File:

PDF, 85 KB

english, 1992

10

High-performance liquid chromatography-fluorometric determination of Sn(IV) with 8-hydroxyquinoline-5-sulfonic acid

Akinobu Shiota, Tooru Kuwamoto

Journal:

Reactive Polymers

Year:

1992

Language:

english

File:

PDF, 157 KB

english, 1992

11

Thermogravimetry of metal chelates of 1,1,1-trifluoropentane-2,4-dione in a flow of helium and helium containing ligand vapor

Norio Matsubara, Tooru Kuwamoto

Journal:

Analytica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 488 KB

english, 1984

12

Extraction—spectrophotometric determination of cadmium with diphenylcarbazone in the presence of 1,10-phenanthroline

Etsu Yamada, Tooru Kuwamoto, Taitiro Fujinaga, Eiichiro Nakayama

Journal:

Analytica Chimica Acta

Year:

1982

Language:

english

File:

PDF, 261 KB

english, 1982

13

Chemical speciation of chromium in sea water: Part 2. Effects of Manganese Oxides and Reducible Organic Materials on the Redox Processes of Chromium

Eiichiro Nakayama, Tooru Kuwamoto, Shigekazu Tsurubo, Taitiro Fujinaga

Journal:

Analytica Chimica Acta

Year:

1981

Language:

english

File:

PDF, 307 KB

english, 1981

14

Chemical speciation of chromium in sea water: Part 3. The determination of chromium species

Eiichiro Nakayama, Tooru Kuwamoto, Hiroyuki Tokoro, Taitiro Fujinaga

Journal:

Analytica Chimica Acta

Year:

1981

Language:

english

File:

PDF, 514 KB

english, 1981

15

Gas chromatography of manganese(II) and manganese(III) trifluoroacetylacetonates by the ligand vapour technique

Taitiro Fujinaga, Tooru Kuwamoto, Kenji Sugiura, Norio Matsubara

Journal:

Analytica Chimica Acta

Year:

1982

Language:

english

File:

PDF, 536 KB

english, 1982

16

Influence of dissociation equilibria on the elution behaviour of the sample anion in anion chromatography

Naoki Hirayama, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 560 KB

english, 1990

17

Elimination of the peak of a major ion in anion chromatography with UV detection

Tetsuo Okada, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 387 KB

english, 1985

18

Elution characteristics of polyol—borate eluents in anion-exchange chromatography : II. Tartrate—borate eluent for non-suppressed anion chromatography

Tetsuo Okada, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1987

Language:

english

File:

PDF, 642 KB

english, 1987

19

Non-suppressed ion chromatography of arsenic anions using sodium nitrite solutions as eluents

Naoki Hirayama, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1988

Language:

english

File:

PDF, 385 KB

english, 1988

20

Separation and determination of organoarsenic compounds with a microbore column and ultraviolet detection

Masahiro Maruo, Naoki Hirayama, Hiroo Wade, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1989

Language:

english

File:

PDF, 1.49 MB

english, 1989

21

Trace analysis of anions by use of a back-flush method and large injection volumes in ion chromatography

Tetsuo Okada, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 360 KB

english, 1985

22

Ion chromatographic elution behaviour and prediction of the retention of inorganic monovalent anions using a phosphate eluent

Masahiro Maruo, Naoki Hirayama, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1989

Language:

english

File:

PDF, 407 KB

english, 1989

23

Determination of the lithium and rubidium in sea water by double channel flame emission spectrophotometry

Taitiro Fujinaga, Tooru Kuwamoto, Eiichiro Nakayama, Shinji Tanaka

Journal:

Journal of Oceanography

Year:

1980

Language:

english

File:

PDF, 269 KB

english, 1980

24

Tungsten in north pacific waters

Yoshiki Sohrin, Kenji Isshiki, Tooru Kuwamoto, Eiichiro Nakayama

Journal:

Marine Chemistry

Year:

1987

Language:

english

File:

PDF, 427 KB

english, 1987

25

Chemical speciation of chromium in sea water: Part 1. Effect of Naturally Occurring Organic Materials on the Complex Formation of Chromium(III)

Eiichiro Nakayama, Tooru Kuwamoto, Shigekazu Tsurubo, Hiroyuki Tokoro, Taitiro Fujinaga

Journal:

Analytica Chimica Acta

Year:

1981

Language:

english

File:

PDF, 432 KB

english, 1981

26

Sensitivity of non-suppressed ion chromatography using divalent organic acids as eluents

Tetsuo Okada, Tooru Kuwamoto

Journal:

Journal of Chromatography A

Year:

1984

Language:

english

File:

PDF, 389 KB

english, 1984

27

Dissolved state of chromium in seawater

Nakayama, Eiichiro, Tokoro, Hiroyuki, Kuwamoto, Tooru, Fujinaga, Taitiro

Journal:

Year:

1981

File:

PDF, 308 KB

1981

28

High-performance liquid chromatographic determination of boric acid and germanic acid with conductometric detection

Tetsuo Okada, Tooru Kuwamoto

Journal:

Analytical and Bioanalytical Chemistry

Year:

1986

Language:

english

File:

PDF, 223 KB

english, 1986

29

Measurement of fluoride ion in the river-water flowing into Lake Biwa

Naoki Hirayama, Masahiro Maruo, Hajime Obata, Akinobu Shiota, Takeji Enya, Tooru Kuwamoto

Journal:

Year:

1996

Language:

english

File:

PDF, 245 KB

english, 1996

30

Gas chromatography of metal chelates with carrier gas containing ligand vapour

Taitiro Fujinaga, Tooru Kuwamoto, Shigeo Murai

Journal:

Year:

1971

Language:

english

File:

PDF, 338 KB

english, 1971

31

The rapid separation and determination of rare earth elelents by use of the ligand vapour gas-chromatographic method

Taitiro Fujinaga, Tooru Kuwamoto, Takashi Kimoto

Journal:

Year:

1976

Language:

english

File:

PDF, 57 KB

english, 1976

32

Fundamental investigation of thermal properties of rare-earth β-diketonates

Taitiro Fujinaga, Tooru Kuwamoto, Kenji Sugiura, Shigekazu Ichiki

Journal:

Year:

1981

Language:

english

File:

PDF, 536 KB

english, 1981

33

Determination of germanium by graphite-furnace atomic-absorption spectrometry

Yoshiki Sohrin, Kenji Isshiki, Tooru Kuwamoto, Eiichiro Nakayama

Journal:

Year:

1987

Language:

english

File:

PDF, 423 KB

english, 1987

34

High-performance liquid chromatographic determination of electrically neutral carbohydrates with conductivity detection

Okada, Tetsuo., Kuwamoto, Tooru.

Journal:

Analytical Chemistry

Year:

1986

Language:

english

File:

PDF, 622 KB

english, 1986

35

Studies of a sample injection method for introducing metal β-diketonates into an inductively-coupled plasma

Kuwamoto, Tooru, Isshiki, Kenji, Fujinaga, Taitiro, Matsubara, Norio, Nakayama, Eiichiro

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

1983

Language:

english

File:

PDF, 631 KB

english, 1983

36

Numerical analysis of elution behaviors of substituted benzoate anions in ion chromatography

Hirayama, Naoki., Kuwamoto, Tooru.

Journal:

Analytical Chemistry

Year:

1993

Language:

english

File:

PDF, 665 KB

english, 1993

37

Preconcentration of trace metals from seawater with 7-dodecenyl-8-quinolinol-impregnated macroporous resin

Isshiki, Kenji., Tsuji, Fumito., Kuwamoto, Tooru., Nakayama, Eiichiro.

Journal:

Analytical Chemistry

Year:

1987

Language:

english

File:

PDF, 657 KB

english, 1987

38

Nonsuppressor ion chromatography of inorganic and organic anions with potassium hydroxide as eluent

Okada, Tetsuo., Kuwamoto, Tooru.

Journal:

Analytical Chemistry

Year:

1983

Language:

english

File:

PDF, 471 KB

english, 1983

39

Vapor pressures and enthalpies of sublimation and evaporation of trifluoroacetylacetonates in helium and helium containing the ligand vapor

Matsubara, Norio, Kuwamoto, Tooru

Journal:

Inorganic Chemistry

Year:

1985

Language:

english

File:

PDF, 607 KB

english, 1985

40

Formation mechanism of dip peaks in nonsuppressed ion chromatography

Okada, Tetsuo., Kuwamoto, Tooru.

Journal:

Analytical Chemistry

Year:

1984

Language:

english

File:

PDF, 742 KB

english, 1984

41

Potassium hydroxide eluent for nonsuppressed anion chromatography of cyanide, sulfide, arsenite, and other weak acids

Okada, Tetsuo., Kuwamoto, Tooru.

Journal:

Analytical Chemistry

Year:

1985

Language:

english

File:

PDF, 552 KB

english, 1985

42

Determination of Silicate By Nonsuppressed Ion Chromatography

And, Tetsuo Okada, Kuwamoto, Tooru

Journal:

Analytical Letters

Year:

1984

Language:

english

File:

PDF, 374 KB

english, 1984

43

Synergistic Effect of Nitrogen Neutral Bases in the Solvent Extraction of Zinc(II) and Cadmium(II) Diphenylcarbazonates

Yamada, Etsu, Nakayama, Eiichiro, Kuwamoto, Tooru, Fujinaga, Taitiro

Journal:

Bulletin of the Chemical Society of Japan

Year:

1982

File:

PDF, 559 KB

1982

44

Electrochemical Reduction of Elemental Sulfur in Acetonitrile

Fujinaga, Taitiro, Kuwamoto, Tooru, Okazaki, Satoshi, Hojo, Masashi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1980

File:

PDF, 615 KB

1980

45

A Thermodynamic Study of the Synergistic Solvent Extraction of a Series of Zinc(II) and Cadmium(II) Complexes

Yamada, Etsu, Nakayama, Eiichiro, Kuwamoto, Tooru, Fujinaga, Taitiro

Journal:

Bulletin of the Chemical Society of Japan

Year:

1982

File:

PDF, 750 KB

1982

46

Elution Behavior of Tungsten and Molybdenum in Ion Chromatography Using Organic Acid Eluents Having .ALPHA.-Hydroxyl Groups.

MARUO, Masahiro, HIRAYAMA, Naoki, SHIOTA, Akinobu, KUWAMOTO, Tooru

Journal:

Analytical Sciences

Year:

1992

Language:

english

File:

PDF, 391 KB

english, 1992

47

Spectrophotometric determination of scandium using Eriochrome Cyanine R.

FUJINAGA, Taitiro, KUWAMOTO, Tooru, TSURUBO, Sigeo, KUWABARA, Kazuo

Journal:

Year:

1964

File:

PDF, 699 KB

1964

48

10.2116/bunsekikagaku.29.11_796

FUJINAGA, Taitiro, KUWAMOTO, Tooru, SUGIURA, Kenji, ICHIKI, Shigekazu, MATSUBARA, Norio

Journal:

Year:

1980

File:

PDF, 636 KB

1980

49

10.2116/bunsekikagaku.31.2_55

NAKAMURA, Yasuo, YAMADA, Etsu, NAKAYAMA, Eiichiro, KUWAMOTO, Tooru, FUJINAGA, Taitiro

Journal:

Year:

1982

File:

PDF, 473 KB

1982

50

10.2116/bunsekikagaku.32.10_595

OKADA, Tetsuo, KUWAMOTO, Tooru

Journal:

Year:

1983

File:

PDF, 762 KB

1983

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