1. Leslie S. Ettre's 75^th birthday

   Editorial Pages: 229 - 229

2. Seventieth birthday of Ervin sz. Kováts

   • Leslie S. Ettre

   Editorial Pages: 230 - 232

3. Gerhard E. Hesse (1908–1997)

   • Leslie S. Ettre

   Editorial Pages: 233 - 234

4. Determination of formaldehyde and acetaldehyde in air by HPLC with fluorescence detection

   • M. Possanzini
   • V. Di Palo

   Originals Pages: 235 - 240

5. Identification of the major compounds in extracts ofVerbena officinalis L. (Verbenaceae) by HPLC with post-column derivatization

   • M. I. Calvo
   • A. San Julian
   • M. Fernández

   Originals Pages: 241 - 244

6. HPLC of amino acids and oligopeptides by pre-column fluorescence derivatization with N-hydroxysuccinimidyl-α-(9-phenanthrene)-acetate

   • J. M. You
   • G. H. Xie
   • C. L. Zhou

   Originals Pages: 245 - 250

7. Mixture of closely related isomeric triterpenoid derivatives: Separation and purification by reversed-phase high-performance liquid chromatography

   • F. J. Q. Monte
   • J. P. Kintzinger
   • J. Poinsot

   Originals Pages: 251 - 255

8. Determination of organophosphorus pesticides and metabolites in crops by solid-phase extraction followed by liquid chromatography/Diode array detection

   • A. Laganà
   • G. D'Ascenzo
   • A. Marino

   Originals Pages: 256 - 264

9. Determination of trace levels of pyrethroid metabolites in human urine by capillary gas chromatography-high resolution mass spectrometry with negative chemical ionization

   • G. Leng
   • K. -H. Kühn
   • H. Idel

   Originals Pages: 265 - 274

10. Large volume, low discrimination GC injection into a modified splitless injector

    • A. Kaufmann

    Originals Pages: 275 - 279

11. Determination of polychlorinated dibenzodioxins and dibenzofurans in fly ash

    • K. Fytianos
    • H. Fr. Schröder

    Originals Pages: 280 - 284

12. Supercritical fluid extraction ofCymbopogon citratus (DC.) Stapf

    • S. R. Sargenti
    • F. M. Lanças

    Originals Pages: 285 - 290

13. Synergistic effects in mixed gas chromatographic stationary phases containing hepatkis(2.3.6-tri-O-pentyl)-β-cyclodextrin and AgNO₃ or TINO₃ in the separation of xylene isomers

    • L. -M. Yuan
    • R. -N. Fu
    • Q. -H. Xu

    Originals Pages: 291 - 294

14. Determination of phenolic compounds in water samples by on-line solid-phase extraction—supercritical-fluid chromatography with diode-array detection

    • J. L. Bernal
    • M. J. Nozal
    • E. Pocurull

    Originals Pages: 295 - 300

15. Characterization of temperature dependent modifier effects in SFC using linear solvation energy relationships

    • J. A. Blackwell
    • R. W. Stringham

    Originals Pages: 301 - 308

16. Capillary electrophoretic separation of toxic drugs using a polyacrylamide-coated capillary

    • K. Jinno
    • Y. Han
    • M. Taniguchi

    Originals Pages: 309 - 314

17. Enhancing detectability in CE by combining an isotachophoretic preconcentration with capillary zone electrophoresis in a single capillary

    • A. M. Enlund
    • D. Westerlund

    Originals Pages: 315 - 321

18. Parallel determination of rosmarinic and caffeic acids by TLC-densitometry

    • G. Janicsák
    • I. Máthé

    Originals Pages: 322 - 324

19. Synthesis in lipid chemistry

    • R. Hamilton

    Book Review Pages: 325 - 325

20. Synthesis and characterization of titania based stationary phases using the silanization/hydrolisation method

    • J. J. Pesek
    • M. T. Matyska
    • J. Ramakrishnan

    Erratum Pages: 325 - 325

21. Calendar of events

    Events Pages: 326 - 327

22. New products/literature/software

    Announcement Pages: 328 - 329