1. 85th birthday of Marcel J.E. Golay

   • D. H. Desty

   Editorial Pages: 319 - 319

2. Optimization of fat soluble vitamin separation in reversed-phase microcolumn liquid chromatography

   • W. T. Wahyuni
   • K. Jinno

   Originals Pages: 320 - 324

3. Liquid chromatographic determination of dimethadione and trimethadione in human serum on octadecyl treated microporous glass columns

   • M. Okamoto
   • K. Nobuhara
   • S. Yoshimura

   Originals Pages: 325 - 327

4. A study of the liquid chromatography of some fungicidally active arylsulphonohydrazides

   • R. J. Cremlyn
   • J. Dawson
   • M. B. Evans

   Originals Pages: 328 - 330

5. A comparative study of large volume injection techniques for microbore columns in HPLC

   • H. A. Claessens
   • M. A. J. Kuyken

   Originals Pages: 331 - 336

6. Electrostatic interactions in normal and reversed-phase high-performance thin-layer chromatography. Preliminary experiments

   • H. Lamparczyk
   • R. J. Ochocka

   Originals Pages: 337 - 340

7. Characterization of some commercial poly (styrene-divinylbenzene) copolymers for reversed-phase HPLC¹

   • H. W. Stuurman
   • J. Köhler
   • A. Litzén

   Originals Pages: 341 - 349

8. Reversed-phase HPLC separation of Δ;² and Δ;³ isomers of 7-ADCA and cephalexin monohydrate

   • N. Kovačić-Bošnjak
   • Z. Mandić
   • M. Kovačević

   Originals Pages: 350 - 354

9. High-performance liquid chromatography using a color-forming agent as a component of the mobile phase. Separation and determination of nickel and zinc wity xylenol orange

   • J. -I. Toei

   Originals Pages: 355 - 360

10. On the history of the development of Sephadex^®

    • Jan-Christer Janson

    Review Paper Pages: 361 - 365

11. Gel filtration: A method for desalting and group separation

    • Jerker Porath
    • Per Flodin

    OriginalPaper Pages: 365 - 369

12. A new adsorbent for trace organic analysis in environmental samples

    • C. -C. D. Yao
    • A. Zlatkis

    Short Communications Pages: 370 - 372

13. Retention behaviour of typical antiepileptic drugs and PTH amino acids in high-performance liquid chromatography on various types of glasses modified with octadecyl groups

    • M. Okamoto
    • K. Jinno
    • K. Fukushima

    Short Communications Pages: 373 - 376

14. Rapid extraction of codeine and morphine in whole blood for HPLC analysis

    • I. R. Tebbett

    Short Communications Pages: 377 - 378

15. A fast multiparametric least-squares adjustment of GC data

    • M. Maeck
    • A. Y. Badjah Hadj Ahmed
    • B. Y. Meklati

    Erratum Pages: 381 - 381

16. Polymer characterization by liquid chromatography

    • H. Engelhardt

    Book Review Pages: 381 - 381

17. Announcements

    Announcement Pages: 381 - 381

18. New products

    Announcement Pages: 382 - 390