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1

Flow injection spectrophotometric determination of calcium in rain and snow with chlorophosphonazo III

Michio Zenki, Kikuko Ohmuro, Kyoji Tôei

Journal:

Analytical and Bioanalytical Chemistry

Year:

1990

Language:

english

File:

PDF, 315 KB

english, 1990

2

Spectrophotometric determination of boron with an azomethine H derivative

Michio Zenki, Kazuko Nose, Kyoji Tôei

Journal:

Analytical and Bioanalytical Chemistry

Year:

1989

Language:

english

File:

PDF, 290 KB

english, 1989

3

Flow injection spectrophotometric determination of boron with D-sorbitol using Methyl Orange as an indicator

Nose, Kazuko, Zenki, Michio

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1991

Language:

english

File:

PDF, 448 KB

english, 1991

4

Determination of calcium by FIA with glyoxal bis(2-hydroxyanil).

ZENKI, Michio, KOGAWA, Hiroshi, NOSE, Kazuko, TÔEI, Kyoji

Journal:

Year:

1989

File:

PDF, 517 KB

1989

5

The calcium and sodium contents of bisazochromotropic acid derivatives and their removal

Journal:

Analytica Chimica Acta

Year:

1977

Language:

english

File:

PDF, 268 KB

english, 1977

6

Anion chromatography using on-line recycled eluents

Takashi Yokoyama, Hitoe Maekubo, Asami Sakai, Michio Zenki

Journal:

Journal of Chromatography A

Year:

2005

Language:

english

File:

PDF, 218 KB

english, 2005

7

Spectrophotometric determination of nitrite in natural waters by flow injection analysis

Susumu Nakashima, Masakazu Yagi, Michio Zenki, Akinori Takahashi, Kyoji Tôei

Journal:

Analytica Chimica Acta

Year:

1983

Language:

english

File:

PDF, 349 KB

english, 1983

8

The color reactions of sulfonazo-III isomers with lanthanum and alkaline earth metal ions

Journal:

Analytica Chimica Acta

Year:

1976

Language:

english

File:

PDF, 470 KB

english, 1976

9

Capillary electrophoretic separation of several transition-metal ions as their complexes with 1,10-phenanthroline derivatives and its application to the determination of copper in duralmin alloys

Takashi Yokoyama, Takaomi Akamatsu, Kaori Ohji, Michio Zenki

Journal:

Analytica Chimica Acta

Year:

1998

Language:

english

File:

PDF, 191 KB

english, 1998

10

Determination of complex formation constants for Cu(II)–Alizarin complexone with amines by capillary zone electrophoresis

Takashi Yokoyama, Kimiko Tashiro, Tomoaki Murao, Ayumu Yanase, Jun Nishimoto, Michio Zenki

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 210 KB

english, 1999

11

Specific separation of nickel ion with bathophenanthroline disulfonic acid by capillary zone electrophoresis

Takashi Yokoyama, Kenji Nakano, Michio Zenki

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 157 KB

english, 1999

12

Capillary electrophoretic determination of coordination equilibrium constants of carboxylate ions with copper(II) complexed with several bis(1,10-phenanthroline) derivatives and bis(bipyridine)

Takashi Yokoyama, Hirokazu Tsuji, Michio Zenki

Journal:

Analytica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 267 KB

english, 2000

13

Coordination of donor solvent molecules to nickel square-planar complexes

Takashi Yokoyama, Hiroshi Kitagawa, Hide-aki Iwasawa, Michio Zenki

Journal:

Inorganica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 539 KB

english, 1996

14

Elution delay of fluoride by chromatography of anions on silica gels coated with crown ether dyes

Takashi Yokoyama, Yasuhito Okuda, Kenji Kohara, Michio Zenki

Journal:

Journal of Chromatography A

Year:

1996

Language:

english

File:

PDF, 421 KB

english, 1996

15

Pyridino-armed diaza-crown ethers for specific transport of “transition metal cations”

Hiroshi Tsukube, Kouichi Yamashita, Tadashi Iwachido, Michio Zenki

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 223 KB

english, 1988

16

Triazamacrocycle having pyridine-pendant arms as a new Na+ ion-selective ionophore

Hiroshi Tsukube, Kouichi Yamashita, Tadashi Iwachido, Michio Zenki

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 232 KB

english, 1989

17

Capillary electrophoretic separation between Fe(II) and Ni(II) precomplexed with 1,10-phenanthroline in a high concentration buffer ofn-butyric acid/n-butyrate and its application

Takashi Yokoyama, Hirokazu Tsuji, Takenobu Kamada, Michio Zenki

Journal:

Analytical and Bioanalytical Chemistry

Year:

2002

Language:

english

File:

PDF, 72 KB

english, 2002

18

Flow analysis preconcentration of Mg and Zn using emulsions for flame atomic absorption spectrometry

T. Yokoyama, Takashi Watarai, Takeo Uehara, Koh-ichi Mizuoka, Kenji Kohara, Masato Kido, Michio Zenki

Journal:

Analytical and Bioanalytical Chemistry

Year:

1997

Language:

english

File:

PDF, 105 KB

english, 1997

19

Influence of the Coordination of Donor Solvent Molecules to 1,4,7,10-Tetramethyl-1,4,7,10- tetraazacyclododecanenickel(II) and Analogous Nickel(II) Complexes on Their Steric Factors

Takashi Yokoyama, Kazuhiro Ikemoto, Takatsugu Kihara, Kouhei Teramura, Keisuke Uryu, Kohji Shimizu, Motoki Bitoh, Kohji Matsuzaki, Michio Zenki

Journal:

Journal of Solution Chemistry

Year:

2006

Language:

english

File:

PDF, 198 KB

english, 2006

20

Determination of residual chlorine in tap water by flow-injection spectrophotometry

Michio Zenki, Hirohisa Komatsubara, Kyoji Tôei

Journal:

Analytica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 252 KB

english, 1988

21

RP-LC with On-Line Recycled Mobile Phase for Analysis of Amino Acids Pre-Derivatized witho-Phthalaldehyde

Takashi Yokoyama, Asami Sakai, Michio Zenki

Journal:

Chromatographia

Year:

2008

Language:

english

File:

PDF, 403 KB

english, 2008

22

Determination of sulphate in natural water by flow-injection analysis

Susumu Nakashima, Masakazu Yagi, Michio Zenki, Mitsuo Doi, Kyoji Tôei

Journal:

Analytical and Bioanalytical Chemistry

Year:

1984

Language:

english

File:

PDF, 221 KB

english, 1984

23

Determination of nitrate in natural waters by flow-injection analysis

Susumu Nakashima, Masakazu Yagi, Michio Zenki, Akinori Takahashi, Kyoji Tôei

Journal:

Analytical and Bioanalytical Chemistry

Year:

1984

Language:

english

File:

PDF, 335 KB

english, 1984

24

Repetitive determination of ascorbic acid using iron(III)-1.10-phenanthroline–peroxodisulfate system in a circulatory flow injection method

Michio Zenki, Akihiro Tanishita, Takashi Yokoyama

Journal:

Year:

2004

Language:

english

File:

PDF, 153 KB

english, 2004

25

Clean analytical methodology for the determination of lead with Arsenazo III by cyclic flow-injection analysis

Michio Zenki, Kazuyoshi Minamisawa, Takashi Yokoyama

Journal:

Year:

2005

Language:

english

File:

PDF, 318 KB

english, 2005

26

Repetitive determination of chloride using the circulation of the reagent solution in closed flow-through system

Michio Zenki, Yuko Iwadou

Journal:

Year:

2002

Language:

english

File:

PDF, 167 KB

english, 2002

27

Pyridine-armed diaza-crown ethers: molecular design of effective synthetic ionophores

Tsukube, Hiroshi, Yamashita, Kouichi, Iwachido, Tadashi, Zenki, Michio

Journal:

Journal of Organic Chemistry

Year:

1991

Language:

english

File:

PDF, 617 KB

english, 1991

28

Determination of alkaline earth metals by ion-exchange chromatography with spectrophotometric detection

Journal:

Analytical Chemistry

Year:

1981

Language:

english

File:

PDF, 523 KB

english, 1981

29

Lipid-bound macrocycles as new immobilized ligand systems for effective separation of metal cations

Tsukube, Horishi, Yoden, Takehiro, Iwachido, Tadashi, Zenki, Michio

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1991

Language:

english

File:

PDF, 233 KB

english, 1991

30

Sodium-selective macrocyclic polyamine carriers having pyridine-functionalized sidearms

Tsukube, Hiroshi, Yamashita, Kouichi, Iwachido, Tadashi, Zenki, Michio

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1991

Language:

english

File:

PDF, 591 KB

english, 1991

31

Ion-exclusion chromatographic determination of hydrogen carbonate in natural waters using unmodified silica gel and conductimetric detection

Zenki, Michio, Nabekura, Tomiko, Kobayashi, Atsushi, Iwachido, Tadashi, Shimoishi, Yasuaki

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1993

Language:

english

File:

PDF, 470 KB

english, 1993

32

The Crystal Structures of 2-Aminoperimidine

Yokoyama, Takashi, Masuo, Tohru, Akashi, Haruo, Zenki, Michio

Journal:

Bulletin of the Chemical Society of Japan

Year:

1995

File:

PDF, 920 KB

1995

33

Enhanced Cation Transport Property of Polymeric “ Armed Macrocycles ”

Tsukube, Hiroshi, Iwachido, Tadashi, Shimotani, Tatsuo, Dando, Tatsuya, Zenki, Michio

Journal:

Bulletin of the Chemical Society of Japan

Year:

1993

File:

PDF, 440 KB

1993

34

Conductometric Determination of Boric Acid by Reversed-phase High Performance Liquid Chromatography Using Sorbitol as a Complexing Agent

Zenki, Michio, Ohtani, Jun, Ikeda, Takahiko, Tôei, Kyoji

Journal:

Chemistry Letters

Year:

1990

File:

PDF, 347 KB

1990

35

High-Performance Liquid Chromatographic Separation of Metal Ions with 2-Hydroxy-5-sulfoaniline-N-salicylidene.

ZENKI, Michio, INOUE, Kazue

Journal:

Analytical Sciences

Year:

1994

Language:

english

File:

PDF, 208 KB

english, 1994

36

Repetitive Determination of Calcium Ion and Regeneration of a Chromogenic Reagent Using Chlorophosphonazo III and an Ion Exchanger in a Circulatory Flow Injection System.

ZENKI, Michio, MASUTANI, Tomoko, YOKOYAMA, Takashi

Journal:

Analytical Sciences

Year:

2002

Language:

english

File:

PDF, 105 KB

english, 2002

37

Flow-Injection Analysis of Copper(II) with PAR in the Presence of EDTA.

ZENKI, Michio, IWADOU, Yuko, YOKOYAMA, Takashi

Journal:

Analytical Sciences

Year:

2002

Language:

english

File:

PDF, 63 KB

english, 2002

38

Crystal Structure of Zwitterionic Trimethylammoniopropane Sulfonate

YOKOYAMA, Takashi, MURAKAMI, Gen, AKASHI, Haruo, ZENKI, Michio

Journal:

Analytical Sciences

Year:

2003

Language:

english

File:

PDF, 117 KB

english, 2003

39

Relation between Electrophoretic Behavior and Molecular Shapes of Aromatic Anions

YOKOYAMA, Takashi, TSUJI, Hirokazu, AKAMATSU, Takaomi, ZENKI, Michio

Journal:

Analytical Sciences

Year:

2004

Language:

english

File:

PDF, 83 KB

english, 2004

40

Capillary Electrophoretic Determination of Self-dimerization Constants of Aromatic Carboxylate and Sulfonate Ions

YOKOYAMA, Takashi, TSUCHIYA, Yasuhide, MURAKAMI, Gen, ZENKI, Michio

Journal:

Analytical Sciences

Year:

2006

Language:

english

File:

PDF, 81 KB

english, 2006

41

Repetitive Determination of Chemical Oxygen Demand by Cyclic Flow Injection Analysis Using On-line Regeneration of Consumed Permanganate

ZENKI, Michio, FUJIWARA, Satoru, YOKOYAMA, Takashi

Journal:

Analytical Sciences

Year:

2006

Language:

english

File:

PDF, 129 KB

english, 2006

42

Ion chromatographic determination of sodium, potassium, magnesium and calcium ions in river water.

IWACHIDO, Tadashi, SHINOMIYA, Mitsuyoshi, ZENKI, Michio

Journal:

Analytical Sciences

Year:

1990

Language:

english

File:

PDF, 328 KB

english, 1990

43

Flow injection determination of trace amounts of hydrogen peroxide with thio-Micheler's ketone.

TÔEI, Kyoji, TAMARU, Takahiro, ZENKI, Michio

Journal:

Analytical Sciences

Year:

1990

Language:

english

File:

PDF, 130 KB

english, 1990

44

Crystal structure of Arsenazo I.

ZENKI, Michio, SHIBAHARA, Takashi, YAMASAKI, Mikio, KUSHI, Yoshihiko

Journal:

Analytical Sciences

Year:

1990

Language:

english

File:

PDF, 91 KB

english, 1990

45

Determination of ammonium and other major cations in river and rain water by ion chromatography using silica gel as an ion exchanger.

IWACHIDO, Tadashi, IKEDA, Takahiko, ZENKI, Michio

Journal:

Analytical Sciences

Year:

1990

Language:

english

File:

PDF, 261 KB

english, 1990

46

Crystal Structure of Zwitterionic Surfactant 3-(N,N-Dimethylmyristylammonio)propane Sulfonate

YOKOYAMA, Takashi, MURAKAMI, Gen, AKASHI, Haruo, ZENKI, Michio

Journal:

Analytical Sciences X-ray Structure Analysis Online

Year:

2004

Language:

english

File:

PDF, 106 KB

english, 2004

47

Volumetric method for sulfate with bisazochromotropic acid analogues as the indicator

Journal:

Year:

1973

File:

PDF, 858 KB

1973

48

10.2116/bunsekikagaku.25.552

Journal:

Year:

1976

File:

PDF, 455 KB

1976

49

10.2116/bunsekikagaku.26.355

ICHIHASHI, Toshiko, ZENKI, Michio, MOTOMIZU, Shoji, TÔEI, Kyoji

Journal:

Year:

1977

File:

PDF, 480 KB

1977

50

10.2116/bunsekikagaku.31.12_732

NAKASHIMA, Susumu, YAGI, Masakazu, ZENKI, Michio, TAKAHASHI, Akinori, TOEI, Kyoji

Journal:

Year:

1982

File:

PDF, 249 KB

1982