1. Foreword

   • Antoine-Michel Siouffi
   • Michel Martin

   EditorialNotes Pages: 9 - 10

2. Reversible solvent and temperature induced “monomeric-like” —“Polymeric-like” transitions in alkyl bonded silica

   • S. Héron
   • A. Tchapla

   OriginalPaper Pages: 11 - 18

3. Comparison of the retention behaviour of phenol derivatives on porous graphitized and octadecylsilica columns

   • E. Forgács
   • T. Cserháti
   • B. Bordás

   OriginalPaper Pages: 19 - 26

4. New method for the determination of four antiepileptic drugs in human plasma by high performance liquid chromatography

   • M. Meyler
   • M. T. Kelly
   • M. R. Smyth

   OriginalPaper Pages: 27 - 32

5. Application of totally automated on-line sample clean up for prostanoid extraction and HPLC separation

   • G. Hotter
   • I. Ramis
   • E. Gelpí

   OriginalPaper Pages: 33 - 38

6. The calculation of retention and selectivity in reversed-phase liquid chromatography II. Methanol-water eluents

   • S. V. Galushko

   OriginalPaper Pages: 39 - 42

7. Tryptophan analysis simultaneously with other amino acids in gas phase hydrochloric acid hydrolyzates using the Pico-Tag^TM Work Station

   • I. Molnár-Perl
   • M. Khalifa

   OriginalPaper Pages: 43 - 46

8. Multi micro high performance liquid chromatography

   • O. I. Voroshilova
   • R. E. Kaiser

   OriginalPaper Pages: 47 - 52

9. Determination of urinary organic acids by HPLC

   • M. Bidart
   • Ph. Doree
   • G. Lesgards

   OriginalPaper Pages: 53 - 56

10. HPLC fluorescence determination of nitrites in water using precolumn derivatization with 4-methyl-7-aminocoumarin

    • J. Y. Zhou
    • P. Prognon
    • M. Hamon

    OriginalPaper Pages: 57 - 60

11. Chromatographic determination of position and configuration isomers of methyl oleate hydroxides from corresponding hydroperoxides

    • R. Bortolomeazzi
    • L. Pizzale
    • G. Lercker

    OriginalPaper Pages: 61 - 64

12. Individual determination of ortho and non-ortho substituted polychlorobiphenyls (PCBs) in sediments by high performance liquid chromatographic pre-separation and gas chromatography/ECD detection

    • R. Fuoco
    • M. P. Colombini
    • E. Samcova

    OriginalPaper Pages: 65 - 70

13. Enantiomeric separation of biopterin and neopterin stereoisomers by chiral HPLC. Application to the identification of natural pterins in protozoans

    • R. Klein
    • C. A. Grolière

    OriginalPaper Pages: 71 - 74

14. HPLC determination of pyroglutamic acid as a degradation product in parenteral amino acid formulations

    • C. Gandini
    • D. De Lorenzi
    • G. Caccialanza

    OriginalPaper Pages: 75 - 78

15. An HPLC study of tinidazole hydrolysis

    • H. Salomies
    • J. -P. Salo

    OriginalPaper Pages: 79 - 82

16. Modelling chromatographic behaviour as a function of pH and solvent composition in RPLC

    • R. M. Lopes Marques
    • P. J. Schoenmakers
    • L. Buyden

    OriginalPaper Pages: 83 - 95

17. Determination of picomole amounts of carbonyls as luminarin hydrazones by high-performance liquid chromatography with fluorescence detection

    • F. Traoré
    • G. A. Pianetti
    • G. Mahuzier

    OriginalPaper Pages: 96 - 104

18. Pre-column fluorescence derivatization of peptides containing arginine aldehyde moiety in high-performance liquid chromatography

    • É. Tomori

    OriginalPaper Pages: 105 - 109

19. The separation of the enantiomers of some potassium channel activators on α₁-acid glycoprotein: the effect of solute conformationglycoprotein: the effect of solute conformation

    • R. Smith
    • D. Smith
    • G. Stemp

    OriginalPaper Pages: 115 - 119

20. Chemometric optimization in drug analysis by HPLC: A critical evaluation of the quality criteria used in the analysis of drug purity

    • P. F. Vanbel
    • J. A. Gilliard
    • B. Tilquin

    OriginalPaper Pages: 120 - 124

21. Factor analysis of experimental design in chromatography

    • M. Righezza
    • J. R. Chrétien

    OriginalPaper Pages: 125 - 129

22. Evaluation ofo-phthalaldehyde as bifunctional fluorogenic post-column reagent for glutathione in LC

    • P. Leroy
    • A. Nicolas
    • G. Siest

    OriginalPaper Pages: 130 - 134

23. Sequential optimisation of the separation of a complex mixture of plastics additives by HPLC with a quaternary gradient and a dual detection system

    • E. Lesellier
    • A. Tchapla

    OriginalPaper Pages: 135 - 143

24. Urinary hydroxylysine glycosides: Solid phase extraction and reversed phase chromatographic measurement

    • E. Casari
    • M. Murone
    • V. Grazioli

    OriginalPaper Pages: 144 - 146

25. Effect of the organic modifier on the retention of retinoids in reversed-phase liquid chromatography

    • M. Salo
    • H. Vuorela
    • J. Halmekoski

    OriginalPaper Pages: 147 - 151

26. Effect of drying temperature and blanching on the degradation of chlorophyll a and b in mint (Mentha spicata Huds.) and basil (Ocimum basilicum): Analysis by high performance liquid chromatography with photodiode array detection

    • T. Rocha
    • C. Marty-Audouin
    • A. Lebert

    OriginalPaper Pages: 152 - 156

27. Optimization of a multisolvent composition in RP-HPLC: Convenient criterion for preliminary search for the best eluent strength

    • S. Heinisch
    • P. Riviere
    • J. L. Rocca

    OriginalPaper Pages: 157 - 163

28. Simultaneous assay of platelet and plasma catecholamines by HPLC with coulometric detection

    • F. Blandini
    • G. V. Melzi d'Eril
    • E. Martignoni

    OriginalPaper Pages: 164 - 166

29. Determination of sulbutiamine and its disulfide derivatives in human plasma by HPLC using on-line post-column reactors and fluorimetric detection

    • P. Gelé
    • C. Boursier-Neyret
    • C. Sauveur

    OriginalPaper Pages: 167 - 173

30. Retention properties of cyclodextrins and modified cyclodextrins in reversed phase HPLC

    • A. K. Chatjigakis
    • Ph. J. P. Cardot
    • H. Parrot-Lopez

    OriginalPaper Pages: 174 - 178

31. Quantitative measurement of 4-hydroxy-3-methoxymandelic and homovanillic acids in plasma using capillary gas chromatography-mass spectrometry and stable isotope dilution: Preliminary data

    • N. Marchese
    • U. Caruso

    OriginalPaper Pages: 179 - 182

32. Quantitative analysis of Cognac carbonyl compounds at the PPB level by GC-MS of their 0-(pentafluorobenzyl amine) derivatives

    • J. P. Vidal
    • S. Estreguil
    • R. Cantagrel

    OriginalPaper Pages: 183 - 186

33. Determination of pesticides in soil samples by solid phase extraction disks

    • M. J. Redondo
    • M. J. Ruiz
    • G. Font

    OriginalPaper Pages: 187 - 190

34. Extraction of pesticides from sediments using a microwave technique

    • F. I. Onuska
    • K. A. Terry

    OriginalPaper Pages: 191 - 194

35. GC-ITD analysis of chlortoluron and its metabolites in cereals

    • S. Pérez
    • M. T. Matienzo
    • J. L. Tadeo

    OriginalPaper Pages: 195 - 200

36. Sample preparation for gas chromatographic analysis of organic solvents in aerosol cans

    • S. C. Rastogi

    OriginalPaper Pages: 201 - 203

37. Simultaneous GC derivatization and quantification of acids and sugars

    • M. Morvai-Vitányi
    • I. Molnár-Perl
    • P. Sass

    OriginalPaper Pages: 204 - 206

38. Methodical investigation of interactions between organic pollutants and humic organic material in coal wastewaters

    • J. Pörschmann
    • U. Stottmeister

    OriginalPaper Pages: 207 - 211

39. Capillary GC-MS — Stable isotope dilution analysis of methylmalonic acid in plasma: A candidate reference method for the diagnosis and the follow-up of methylmalonic acidaemias

    • U. Caruso
    • S. Lupino
    • C. Romano

    OriginalPaper Pages: 212 - 214

40. High resolution GC of unsaponifiable matter and sterol fraction in vegetable oils

    • N. Frega
    • F. Bocci
    • G. Lercker

    OriginalPaper Pages: 215 - 217

41. Comparison of various hyphenated chromatography — Mass spectrometry methods for the analysis of β-agonists

    • L. Debrauwer
    • G. Delous
    • G. Bories

    OriginalPaper Pages: 218 - 224

42. Organic fuelled flames in selective ionization detectors for chromatography

    • P. L. Patterson

    OriginalPaper Pages: 225 - 233

43. Partitioning and adsorption in gas-liquid-solid chromatography: Models of temporal moments for retention and variance

    • B. J. McCoy

    OriginalPaper Pages: 234 - 240

44. Inverse gas chromatography in the study of polymer degradation. Part 4: A study of model systems for reinforced vulcanizates

    • M. B. Evans

    OriginalPaper Pages: 241 - 245

45. Design of mobile phase composition for liquid chromatography with an internal pH gradient

    • M. Janeček
    • K. Šlais

    OriginalPaper Pages: 246 - 250

46. A computer program for the optimal ion chromatographic determination of anions in waters

    • N. Gros
    • B. Gorenc

    OriginalPaper Pages: 251 - 258

47. Pore structure characterization of organic-inorganic materials by inverse size exclusion chromatography

    • K. Jerabek
    • A. Revillon
    • E. Puccilli

    OriginalPaper Pages: 259 - 262

48. Chromatographic analysis of some alkylphosphonic acids using a conductimetric detection. Application to fosfomycin determination

    • G. A. Pianetti
    • A. Baillet
    • G. Mahuzier

    OriginalPaper Pages: 263 - 267

49. Abnormal composition of commerical waxes revealed by supercritical fluid chromatography

    • S. Brossard
    • M. Lafosse
    • J. Becart

    OriginalPaper Pages: 268 - 274

50. Influence of the modifiers on the nature of the stationary phase and the separation of carotenes in sub-critical fluid chromatography

    • E. Lesellier
    • A. M. Krstulovic
    • A. Tchapla

    OriginalPaper Pages: 275 - 282