1. Ion-Exchange Ability of Polyaniline-Polyvinyl Alcohol Colloids with Various Anions

   • Hidenobu Nakao
   • Tsutomu Nagaoka
   • Kotaro Ogura

   Original Paper 14 June 1997 Pages: 327 - 331

2. Equilibrium and Kinetic Studies on the Separation of Uranium and Thorium from Nitric Acid Medium by Liquid Emulsion Membrane Based on Trioctylphosphine Oxide Extractant

   • Sohair A. El-Reefy
   • Yasser T. Selim
   • Hisham F. Aly

   Original Paper 14 June 1997 Pages: 333 - 337

3. Selective Separation of Germanium(IV) by Iminodiacetic Acid-Type Chitosan Chelating Resin

   • Yoshinari Inukai
   • Yasuhiko Kaida
   • Seiji Yasuda

   Original Paper 14 June 1997 Pages: 339 - 344

4. Selectivity of Anion Exchange Resin Modified with Anionic Polyelectrolyte

   • Koji Matsusaki
   • Noriaki Hashimoto
   • Toshikatsu Sata

   Original Paper 14 June 1997 Pages: 345 - 349

5. Experimental Evaluation of the Mo K_a X-Ray Probing Depth for a GaAs Wafer in a Total-Reflection X-Ray Fluorescence Analysis

   • Kouichi Tsuji
   • Kazuaki Wagatsuma
   • Takeo Oku

   Original Paper 14 June 1997 Pages: 351 - 354

6. Utility of Phenylacetic Acid as an Extracting Agent for Aluminum(III), Gallium(III) and Indium(III)

   • Hiromichi Yamada
   • Yoshihiro Taguchi
   • Hiroko Wada

   Original Paper 14 June 1997 Pages: 355 - 363

7. Selective Spectrophotometric Determination of Sodium Linear-Dodecylbenzenesulfonate with 1-Pentyl-4-(4-aminonaphthylazo)-pyridinium Bromide on the Basis of an Ion-Association Reaction in an Aqueous Solution

   • Yasuaki Shimoishi
   • Naoki Saito
   • Michio Zenki

   Original Paper 14 June 1997 Pages: 365 - 368

8. Direct Spectrophotometric Determination of Phosphonate and Diphosphate Ions Based on the Formation of Heteropoly Blue Complexes

   • Sadayuki Himeno
   • Tadaharu Ueda
   • Toshitaka Hori

   Original Paper 14 June 1997 Pages: 369 - 372

9. Solvation Structure Determination of Nickel(II) Ion in Six Nitriles Using Extended X-Ray Absorption Fine Structure Spectroscopy

   • Yasuhiro Inada
   • Shigenobu Funahashi

   Original Paper 14 June 1997 Pages: 373 - 377

10. Determination of the Total Inorganic and Ammoniacal Nitrogens in Water by Gas-Phase Molecular-Absorption Spectrometry

    • Yoshikazu Nakamoto
    • Toshio Tomiyama
    • Takahiro Kumamaru

    Original Paper 14 June 1997 Pages: 379 - 383

11. Determination and the Behavior of Trace Amounts of Chloride and Bromide Ions in Environmental Waters, such as Rain and River Waters

    • Etsu Yamada

    Original Paper 14 June 1997 Pages: 385 - 390

12. Analytical Characteristics of Inductively Coupled Oxygen-Plasma Mass Spectrometry Assisted by Adding Argon to the Outer Gas

    • Hiroshi Uchida
    • Tetsumasa Ito

    Original Paper 14 June 1997 Pages: 391 - 396

13. Determination of Trace Levels of Selenium in Biological Samples by Graphite Furnace Atomic Absorption Spectrometry with a Solid Sampling Technique. Application of Pre-Ashing Concentration Technique

    • Hirotsugu Minami
    • Yukie Inoue
    • Ikuo Atsuya

    Original Paper 14 June 1997 Pages: 397 - 402

14. Increased Sensitivity Potentiometric Detectors for FIA

    • Cristina M. C. M. Couto
    • José L. F. C. Lima
    • M. Conceição B. S. M. Montenegro

    Original Paper 14 June 1997 Pages: 403 - 408

15. Sequential Determination of Calcium and Magnesium Cations in Haemodialysis Solutions by FIA

    • Rui A. S. Lapa
    • José L. F. C. Lima
    • E. Barrado

    Original Paper 14 June 1997 Pages: 409 - 414

16. Determination of Aluminum in Serum by Electrothermal Atomic Absorption Spectrometry with Prior Sample Pretreatment by Microwave Digestion and Solid-Phase Extraction

    • Shiow-Ching Chen
    • Chi-Ren Lan
    • Mo-Hsiung Yang

    Original Paper 14 June 1997 Pages: 415 - 421

17. An Immobilized Acetylcholinesterase Flow-Injection Conductimetric System for the Determination of Paraoxon Tereza

    • Tereza Cristina Rodrigues
    • Matthieu Tubino
    • Graciliano Oliveira de Neto

    Original Paper 14 June 1997 Pages: 423 - 427

18. Magnesium Ion-Selective Optodes Based on a Neutral Ionophore and a Lipophilic Cationic Dye

    • Dwi Siswanta
    • Hideaki Hisamoto
    • Koji Suzuki

    Original Paper 14 June 1997 Pages: 429 - 435

19. Potentiometric Responses of Ionophore-Incorporated Bilayer Lipid Membranes with and without Added Anionic Sites

    • Hitoshi Sato
    • Mari Wakabayashi
    • Yoshio Umezawa

    Original Paper 14 June 1997 Pages: 437 - 446

20. A New Fluorescence Optical-Fiber Sensor for Colchicine

    • Ying Wang
    • Kemin Wang
    • Ruqin Yut

    Original Paper 14 June 1997 Pages: 447 - 451

21. Determination of Iron and Copper by Spectroelectrochemistry

    • Qing-Ji Xie
    • Li-Hua Nie
    • Shou-Zhuo Yao

    Original Paper 14 June 1997 Pages: 453 - 456

22. Poly(vinyl chloride) Membrane Electrodes for the Determination of the Antibiotic Tiamulin

    • Margareth R. C. Marques
    • Graciliano Oliveira de Neto

    Original Paper 14 June 1997 Pages: 457 - 461

23. Simultaneous Determination of Chromium(III) and Chromium(VI) in Aqueous Solution by Capillary Electrophoresis with On-Column UV-VIS Detection

    • G. Y. Jung
    • Yang Sun Kim
    • H. B. Lim

    Original Paper 14 June 1997 Pages: 463 - 467

24. High-Performance Liquid-Chromatographic Determination of Guanosine 3′,5′-Cyclic Monophosphate in Human Urine with Fluorescence Detection Using 3,4-Dimethoxyphenylglyoxal

    • Yoshihito Ohba
    • Masaaki Kai
    • Kiyoshi Zaitsu

    Original Paper 14 June 1997 Pages: 469 - 472

25. Sequential Analysis of Reducing Oligosaccharides Based on a Chemical Reaction Using 8-Amino-2-naphthalenesulfonic Acid

    • Seon-Pyo Hong
    • Akira Sano
    • Hiroshi Nakamura

    Original Paper 14 June 1997 Pages: 473 - 478

26. Determination of Organic Phosphates by Column-Switching High Performance Anion-Exchange Chromatography Using On-Line Preconcentration on Titania

    • Yoshihiko Ikeguchi
    • Hiroshi Nakamura

    Original Paper 14 June 1997 Pages: 479 - 483

27. Preparation of Phenylboronic Acid-Modified Capillary and Separation of Nucleosides by Capillary Electrophoresis

    • Kazuhiko Tsukagoshi
    • Masahiko Hashimoto
    • Riichiro Nakajima

    Letter to the Editor 14 June 1997 Pages: 485 - 487

28. Kinetic Method for Quantitative Determination of 2-Methyl-1,4-naphthoquinone in Pure Form and in Pharmaceutical Preparation

    • Murad I. H. Helaleh
    • Nafisur Rahman

    Notes 14 June 1997 Pages: 489 - 491

29. Simultaneous Determination of Colorant Mixtures Used in Cosmetics by Partial Least-Squares Multivariate Calibration Spectrophotometry

    • L. F. Capitán-Vallvey
    • N. Navas
    • J. J. Berzas-Nevado

    Notes 14 June 1997 Pages: 493 - 496

30. Sensitive Spectrophotometric Determination of Aromatic Aldehydes Based on Their Reaction with Diphenylamine

    • Abbas Afkhami
    • Ali Reza Zarei

    Notes 14 June 1997 Pages: 497 - 499

31. 4-(1-Methyl-2-phenanthro[9,10-d]imidazol-2-yl)-benzohydrazide as a Derivatization Reagent for Aldehydes in High-Performance Liquid Chromatography with Conventional and Laser-Induced Fluorescence Detection

    • Tetsuharu Iwata
    • Takayuki Ishimaru
    • Masatoshi Yamaguchi

    Notes 14 June 1997 Pages: 501 - 504

32. Distribution of an Ion Pair onto Cellulose Derivatives Comprising a Nitro Group

    • Shigeru Taguchi
    • Yoshinobu Yotsu
    • Issei Kasahara

    Notes 14 June 1997 Pages: 505 - 507

33. Aminopyrazine as a Precolumn Derivatizing Reagent for the Fluorescence Detection of Monosaccharides in High-Performance Liquid Chromatography

    • Kazuaki Tachiki
    • Hideyuki Yoshida
    • Kiyoshi Zaitsu

    Notes 14 June 1997 Pages: 509 - 512

34. Improved o-Sulfophenylfluorone-Titanium(IV) Complex Method for Total Urinary Protein Assay

    • Yoshikazu Fujita
    • Itsuo Mori
    • Takako Matsuo

    Instrumental Achievement 14 June 1997 Pages: 513 - 516

35. Crystal Structure of Bis(N,N-diethyldithiocarbamate)mercury(II)

    • Concepcion S. Mendoza
    • Satsuo Kamata
    • Masaru Kawaminami

    Instrumental Achievement 14 June 1997 Pages: 517 - 518

36. Crystal Structure of (N,N′-Disalicylidene-2,3-diaminopyridine)copper(II) Complex

    • Orhan Atakol
    • Hasan Nazir
    • Dinçer Ülku

    Instrumental Achievement 14 June 1997 Pages: 519 - 520

37. Molecular Structure of the Zwitterionic Form of Phenolsulfonphthalein

    • Kentaro Yamaguchi
    • Zenzo Tamura
    • Masako Maeda

    Instrumental Achievement 14 June 1997 Pages: 521 - 522