1. The 51st Symposium on Analytical Chemistry

   • Kiyoharu Isagai

   Letter to the Editor 14 August 1990 Pages: 489 - 489

2. Photothermal Measurements of Internal Quantum and Energy Efficiencies of Semiconductor Photoelectrodes A Review

   • Andreas Mandelis

   Reviews 14 August 1990 Pages: 491 - 503

3. Chelator-Conjugated Substrates for N-Acetyl-β-d-Glucosaminidase

   • Kazumi Sasamoto
   • Yosuke Ohkura

   Original Paper 14 August 1990 Pages: 505 - 509

4. Structural Analysis of 9-Acridinylmethyl Derivatives of Fatty Acids by Mass Spectrometry

   • Kazuaki Akasaka
   • Hiroshi Ohrui
   • Tateo Suzuki

   Original Paper 14 August 1990 Pages: 511 - 514

5. Determination of Isoniazid, Acetylisoniazid and Isonicotinic Acid in Human Urine by High Performance Liquid Chromatography Coupled with Postcolumn Photochemical Reaction and Fluorescence Detection

   • Ken-ichi Mawatari
   • Fumio Iinuma
   • Mitsuo Watanabe

   Original Paper 14 August 1990 Pages: 515 - 518

6. High Performance Liquid Chromatographic Determination of Ribonucleotides by Postcolumn Derivatization Involving Oxidation Followed by Fluorescence Reaction, and Its Application to Human Erythrocyte Sample

   • Yoshihiko Umegae
   • Hitoshi Nohta
   • Yosuke Ohkura

   Original Paper 14 August 1990 Pages: 519 - 522

7. Determination of Polyamines in Rat Tissues by High Performance Liquid Chromatography after Derivatization with 1-Phenylsulfonyl-3,3,3-trifluoropropene

   • Masaharu Nakajima
   • Hiroyuki Wakabayashi
   • Kenji Shimada

   Original Paper 14 August 1990 Pages: 523 - 527

8. Determination of the Degree of Branching of Amylopectin-Like Glucans Evaluated by Quinoxaline Formation with o-Phenylenediamine under Alkaline and Deoxygenated Conditions

   • Masanosuke Takagi
   • Yoshiyuki Daido
   • Naofumi Morita

   Original Paper 14 August 1990 Pages: 529 - 534

9. Personal Monitoring of Formaldehyde in the Atmosphere Using a Badge-Type Passive Sampler

   • Takashi Saito

   Original Paper 14 August 1990 Pages: 535 - 539

10. Potentiometric Determination of Ethanol in Alcoholic Beverages Using a Flow-Injection Analysis System Equipped with a Gas Diffusion Unit with a Microporous Poly(tetrafluoroethylene) Membrane

    • Hiroki Ohura
    • Toshihiko Imato
    • Nobuhiko Ishibashi

    Original Paper 14 August 1990 Pages: 541 - 545

11. Effects of Alkali and Alkaline Earth Metal Chlorides on the Atomization of Lead and Chromium in Graphite Furnace Atomic Absorption Spectrometry

    • S. Bektas
    • S. Akman

    Original Paper 14 August 1990 Pages: 547 - 554

12. In-Furnace Standard Addition Method for the Determination of Trace Metals in Biological Samples by Electrothermal Vaporization-Inductively Coupled Plasma Atomic Emission Spectrometry

    • Hirofumi Isoyama
    • Syuji Okuyama
    • Genkichi Nakagawa

    Original Paper 14 August 1990 Pages: 555 - 560

13. Hydride Generation Atomic Absorption Determination of Tellurium Species in Environmental Samples with in Situ Concentration in a Graphite Furnace

    • Byung Mok Yoon
    • Sang Chul Shim
    • Dong Soo Lee

    Original Paper 14 August 1990 Pages: 561 - 566

14. Kinetic and Thermodynamic Effects of Auxiliary Complexing Agents on the Color Reactions of Niobium and Tantalum with 4-(2-Pyridylazo)resorcinol

    • Sinkichi Yamada
    • Noriyuki Taki
    • Akira Murata

    Original Paper 14 August 1990 Pages: 567 - 572

15. Structure of Iron(III)-Tiron Complexes in Aqueous Solution

    • Kazuhiko Ozutsumi
    • Yoshihiko Uchima
    • Takuji Kawashima

    Original Paper 14 August 1990 Pages: 573 - 577

16. Spectrophotometric Determination of Copper and Lead with Phenylfluorone and Benzyldimethyltetradecylammonium Chloride

    • M. Tarek M. Zaki
    • S. M. Attiya

    Original Paper 14 August 1990 Pages: 579 - 583

17. Dionium Cations as Novel Sensing and Separation Reagents for Phthalates in Ion-Selective Electrode Method and in Ion-Pair Chromatography

    • Akira Ohki
    • Masanobu Yamura
    • Shigeru Maeda

    Original Paper 14 August 1990 Pages: 585 - 588

18. Photoacoustic Spectroscopy by the Rear-Surface Detection for an Aluminum Foil Thin-Layer Chromatography Plate

    • Keiko Ohsawa
    • Katsumi Uchiyama
    • Kazuo Imaeda

    Original Paper 14 August 1990 Pages: 589 - 592

19. Determination of Ammonium and Other Major Cations in River and Rain Water by Ion Chromatography Using Silica Gel as an Ion Exchanger

    • Tadashi Iwachido
    • Takahiko Ikeda
    • Michio Zenki

    Original Paper 14 August 1990 Pages: 593 - 597

20. Liquid-Liquid Extraction of Transition Metal Ions with N-Phenyl-N′-(2-butylthiophenyl)thiourea

    • Shunske Ide
    • Makoto Takagi

    Original Paper 14 August 1990 Pages: 599 - 603

21. Flow Injection Analysis of Nonionic Surfactants Using Ionic Surfactant-Selective Electrode Detector

    • Takashi Masadome
    • Toshihiko Imato
    • Nobuhiko Ishibashi

    Letters to the Editor 14 August 1990 Pages: 605 - 606

22. Effectiveness of Chitosan on Spectrophotometric Determination of Zinc(II) with o-Hydroxyhydroquinonephthalein

    • Yoshikazu Fujita
    • Itsuo Mori
    • Minako Toyoda

    Letter to the Editor 14 August 1990 Pages: 607 - 608

23. Cation Exchange Followed by Ultrasonic Desorption for the Determination of Traces of Cadmium in Titanium Dioxide

    • Masataka Hiraide
    • Koichiro Namba
    • Hiroshi Kawaguchi

    Letter to the Editor 14 August 1990 Pages: 609 - 610

24. Determination of the Complex Species of Copper(II) with Humic Acid by Batch Operation Using Cation-Exchanger Sulfopropyl Sephadex C-25

    • Mitsuhiko Taga
    • Shunitz Tanaka
    • Masami Fukushima

    Letter to the Editor 14 August 1990 Pages: 611 - 612

25. Simultaneous Determination of Thorium and Zirconium with Arsenazo III by Second-Derivative Spectrophotometry

    • Satomi Ishimaru
    • Rokuro Kuroda

    Notes 14 August 1990 Pages: 613 - 615

26. Ion Chromatographic Determination of Some Metals as Anion Complexes with EDTA

    • O. N. Obrezkov
    • V. I. Slyamin
    • O. A. Shpigun

    Notes 14 August 1990 Pages: 617 - 618

27. Lanthanum Coprecipitation Method for the Determination of Selenium in Environmental Water

    • Hideo Saisho
    • Yasuhiko Fujimura

    Notes 14 August 1990 Pages: 619 - 621

28. Determination of Nickel, Copper, Zinc, Silver, Cadmium and Lead in Seawater by Isotope Dilution Inductively Coupled Plasma Mass Spectrometry

    • Takunori Kato
    • Seiji Nakamura
    • Masatoshi Morita

    Instrumental Achievements 14 August 1990 Pages: 623 - 626

29. Fluorometric Determination of Boric Acid by High Performance Liquid Chromatography after Derivatization with Chromotropic Acid

    • Mitsuko Oshima
    • Shoji Motomizu
    • Zou Jun

    Instrumental Achievements 14 August 1990 Pages: 627 - 628

30. Crystal Structure of the Aluminum(III) Complex of 1,4,7-Triazacyclononane-N,N′,N″-triacetate

    • Akinori Jyo
    • Takashi Kohno
    • Shigeaki Kawano

    Instrumental Achievements 14 August 1990 Pages: 629 - 630