1. Elution Control of Microparticles with a Coupled Acoustic-Gravity Field and Orthogonal Laminar Flow

   • Takashi Masudo
   • Tetsuo Okada

   Rapid Communications 26 May 2004 Pages: 753 - 755

2. Voltammetric Response of Phenylboronic Acid Monolayer-modified Gold Electrode to Sugars

   • Shigehiro Takahashi
   • Yoshitomo Kashiwagi
   • Jun-ichi Anzai

   Rapid Communications 26 May 2004 Pages: 757 - 759

3. Advance of Computational Technology for Simulating Solvent Extraction

   • Kazuharu Yoshizuka

   Reviews 26 May 2004 Pages: 761 - 765

4. Recent Advances in the Analysis of Steroid Hormones and Related Drugs

   • SÁndor GÖrÖg

   Reviews 26 May 2004 Pages: 767 - 782

5. An Application of Plastic Microchannel-Microheater Chips to a Thermal Synthetic Reaction

   • Noboru Kitamura
   • Yukiko Hosoda
   • Satoshi Iwata

   Original Papers 26 May 2004 Pages: 783 - 786

6. Solid-Phase Microextraction for the Evaluation of Partition Coefficients of a Chlorinated Dioxin and Hexachlorobenzene into Humic Substances

   • Hikaru Yabuta
   • Masami Fukushima
   • Kenji Tatsumi

   Original Papers 26 May 2004 Pages: 787 - 791

7. Evaluation of a Microwave-Assisted Extraction Technique for the Determination of Polychlorinated Biphenyls and Organochlorine Pesticides in Sediments

   • Masahiko Numata
   • Takashi Yarita
   • Akiko Takatsu

   Original Papers 26 May 2004 Pages: 793 - 798

8. Native Fluorescence Flow-through Optosensor for the Fast Determination of Diphenhydramine in Pharmaceuticals

   • Isabel Pascual Reguera
   • María Guardia Rubio
   • Antonio Molina DíAz

   Original Papers 26 May 2004 Pages: 799 - 803

9. [Tetrakis(4-N,N-dimethylaminobenzene)porphyrinato]-manganese(III) Acetate as a Novel Carrier for a Selective Iodide PVC Membrane Electrode

   • Khalil Farhadi
   • Ramin Maleki
   • Mojtaba Shamsipur

   Original Papers 26 May 2004 Pages: 805 - 809

10. Mercury(II) Ion-Selective Electrodes Based on p-tert-Butyl Calix[4]crowns with Imine Units

    • Rakesh Kumar Mahajan
    • Ravneet Kaur
    • Manoj Kumar

    Original Papers 26 May 2004 Pages: 811 - 814

11. Coated Wire Silver-Ion Selective Electrode Based on a N,N′-Bis(2-thienylmethylene)-1,2-diaminobenzene

    • Hamid R. Zare
    • Masoud Salavati-Niassary
    • Navid Nasirizadeh

    Original Papers 26 May 2004 Pages: 815 - 819

12. Voltammetric Determination of Tinidazole Using a Glassy Carbon Electrode Modified with Single-Wall Carbon Nanotubes

    • Chunhai Yang

    Original Papers 26 May 2004 Pages: 821 - 824

13. Differential Pulse Anodic Stripping Voltammetric Determination of Traces of Copper with a Tobramycin-Nafion Modified Electrode

    • Nian Bing Li
    • Hong Qun Luo
    • Guo Nan Chen

    Original Papers 26 May 2004 Pages: 825 - 829

14. Determination of Anion-Exchange Resin Performance Based on Facile Chloride-Ion Monitoring by FIA-Spectrophotometry with Applications to Water Treatment Operation

    • Yong-Sheng Li
    • Yi-Ling Dong

    Original Papers 26 May 2004 Pages: 831 - 836

15. Flow-Injection and Sequential-Injection Determinations of Paracetamol in Pharmaceutical Preparations Using Nitrosation Reaction

    • Rodjana Burakham
    • Supunnee Duangthong
    • Kate Grudpan

    Original Papers 26 May 2004 Pages: 837 - 840

16. Simultaneous Extraction of Cr(III) and Cr(VI) with a Dithiocarbamate Reagent Followed by HPLC Separation for Chromium Speciation

    • Joanna Shaofen Wang
    • KongHwa Chiu

    Original Papers 26 May 2004 Pages: 841 - 846

17. Synthesis, Characterization of Silica Gel Phases-Chemically Immobilized-4-Aminoantipyrene and Applications in the Solid Phase Extraction, Preconcentration and Potentiometric Studies

    • Mohamad M. Osman
    • Sherif A. Kholeif
    • Mohamad E. Mahmoud

    Original Papers 26 May 2004 Pages: 847 - 852

18. Selective Extraction of Iron(III) from Aqueous Nitrate Solution in the Presence of Cobalt(II), Copper(II) and Nickel(II) Ions Using Bis(△²-2-imidazolinyl)-5,5′-dioxime

    • Mustafa Teke
    • Bedrettin Mercimek
    • Ahmet Ayar

    Original Papers 26 May 2004 Pages: 853 - 856

19. Determination of Volatile Compounds in Magnolia Bark by Microwave-Assisted Extraction Coupled to Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry

    • Yun F. Sha
    • Tao M. Huang
    • Geng L. Duan

    Original Papers 26 May 2004 Pages: 857 - 859

20. Titania as a Chemo-affinity Support for the Column-switching HPLC Analysis of Phosphopeptides: Application to the Characterization of Phosphorylation Sites in Proteins by Combination with Protease Digestion and Electrospray Ionization Mass Spectrometry

    • Akira Sano
    • Hiroshi Nakamura

    Original Papers 26 May 2004 Pages: 861 - 864

21. Development of a Headspace GC/MS Analysis for Carbonyl Compounds (Aldehydes and Ketones) in Household Products after Derivatization with o-(2,3,4,5,6-Pentafluorobenzyl)-hydroxylamine

    • Naeko Sugaya
    • Katsumi Sakurai
    • Masakatsu Tezuka

    Original Papers 26 May 2004 Pages: 865 - 870

22. Chemometric Techniques on Inorganic Elements Composition for the Determination of the Geographic Origin of Welsh Onions

    • Kaoru Ariyama
    • Hiroshi Horita
    • Akemi Yasui

    Original Papers 26 May 2004 Pages: 871 - 877

23. Simultaneous Determination of Aniline and Cyclohexylamine by Principal Component Artificial Neural Networks

    • Ghodratollah Absalan
    • Mohammad Soleimani

    Original Papers 26 May 2004 Pages: 879 - 882

24. Kinetic Determination of Silver Ion by Its Perturbation on Belousov-Zhabotinskii Oscillating Chemical Reaction Using Potentiometric Method

    • Jahan-Bakhsh Raoof
    • Reza Ojani
    • Abolfazl Kiani

    Notes 26 May 2004 Pages: 883 - 886

25. Announcements

    Announcement 26 May 2004 Pages: 887 - 888