1. Preface

   • Wilhelm Fresenius
   • Ernest Merian

   EditorialNotes Pages: 449 - 450

2. Why do we need more powerful methods in environmental trace analysis of the elements and what scope exists?

   • Günther Tölg

   General And Aquatic Analytical Chemistry Pages: 451 - 451

3. Voltammetric method for the determination of H₂O₂ in rainwater

   • Janine Lagrange
   • Philippe Lagrange

   General And Aquatic Analytical Chemistry Pages: 452 - 454

4. Redox potential measurement in natural waters

   • L. Matia
   • G. Rauret
   • R. Rubio

   General And Aquatic Analytical Chemistry Pages: 455 - 462

5. A new procedure for the survey of the quality of waters

   • O. Thomas
   • C. Fachinger
   • J. Suptil

   General And Aquatic Analytical Chemistry Pages: 463 - 466

6. An optical ammonium-sensor for the analysis of environmental waters

   • J. Reichert
   • W. Sellien
   • H. J. Ache

   General And Aquatic Analytical Chemistry Pages: 467 - 467

7. A heterogeneous immunoassay for the determination of triazine herbicides in water

   • L. Weil
   • R. J. Schneider
   • R. Nießner

   General And Aquatic Analytical Chemistry Pages: 468 - 469

8. The use of supercritical-fluid extraction in environmental analysis

   • M. Lohleit
   • R. Hillmann
   • K. Bächmann

   Sampling For Environmental Analytical Chemistry Pages: 470 - 474

9. Comparison between phenylboronic acid and iron loaded silicas to selectively preconcentrate catecholamines on-line coupled with HPLC

   • A. Coquet
   • A. A. Descombes
   • W. Haerdi

   Sampling For Environmental Analytical Chemistry Pages: 475 - 479

10. Optimization of derivatization parameters with 9-fluorenylmethyl chloroformate for amphetamine and catecholamine separation by supercritical fluid chromatography

    • A. A. Descombes
    • J.-L. Veuthey
    • W. Haerdi

    Sampling For Environmental Analytical Chemistry Pages: 480 - 484

11. New sampling tool for airborne volatile aldehydes

    • G. Sesana
    • G. Nano
    • S. Balestreri

    Sampling For Environmental Analytical Chemistry Pages: 485 - 487

12. Determination of polar aniline derivatives in aqueous environmental samples using on-line liquid chromatographic preconcentration techniques

    • M.-C. Hennion
    • P. Subra
    • R. Rosset

    Chromatographic Analytical Chemistry (Aquatic And Atmospheric Samples) Pages: 488 - 493

13. Determination of marine toxins by liquid chromatography

    • James F. Lawrence
    • Cathie Ménard

    Chromatographic Analytical Chemistry (Aquatic And Atmospheric Samples) Pages: 494 - 498

14. Application of long-lived luminescence for detection in liquid chromatography

    • M. Schreurs
    • C. Gooijer
    • N. H. Velthorst

    Chromatographic Analytical Chemistry (Aquatic And Atmospheric Samples) Pages: 499 - 503

15. Speciation of arsenical species by anion-exchange and ion-pair reversed-phase liquid chromatography

    • P. Morin
    • M. B. Amran
    • M. Leroy

    Chromatographic Analytical Chemistry (Aquatic And Atmospheric Samples) Pages: 504 - 509

16. Determination of toxic PCB congeners in biological samples by multidimensional gas chromatography-mass spectrometry (GC/GC/MS)

    • Erkki Sippola
    • Kimmo Himberg

    Chromatographic Analytical Chemistry (Aquatic And Atmospheric Samples) Pages: 510 - 512

17. Matrix effects of leachates in the determination of volatile priority pollutants by headspace analysis

    • C. Först
    • L. Stieglitz
    • M. Heiler

    Chromatographic Analytical Chemistry (Aquatic And Atmospheric Samples) Pages: 513 - 515

18. Characterization of groundwater contaminants using dynamic thermal stripping and adsorption/thermal desorption-GC-MS

    • Suzanne Lesage

    Chromatographic Analytical Chemistry (Aquatic And Atmospheric Samples) Pages: 516 - 527