1. Performance, data and results with various chromatographic systems and various detection patterns in high-performance thin-layer chromatography

   • H. Halpaap
   • J. Ripphahn

   Originals Pages: 643 - 650

2. Chromatographie sur couche mince de microparticules de gel de silice

   • A. M. Siouffi
   • A. Guillemonat
   • G. Guiochon

   Originals Pages: 651 - 657

3. Characterization of the selectivity of stationary phases from the partial molar free energies of solution of standards

   • R. V. Golovnya
   • T. A. Misharina

   Originals Pages: 658 - 660

4. Synthetic zeolites A and X as stationary phases in thin-layer chromatography

   • V. Grba
   • Z. Šoljić
   • I. Bićan

   Originals Pages: 661 - 664

5. A gas chromatographic analysis for SO₂ oxidation

   • M. S. Wainwright
   • D. W. B. Westerman

   Originals Pages: 665 - 668

6. Improved gas chromatographic analysis of naturally occurring oxygen-containing monoterpenes following prefractionation by liquid-solid chromatography

   • J. J. C. Scheffer
   • A. Koedam
   • A. Baerheim Svendsen

   Originals Pages: 669 - 677

7. Chromatographie en phase liquide à haute performance, du type partage avec phases inversées, de quelques stéroïdes hormonaux libres ou conjugués

   • G. Keravis
   • M. Lafosse
   • M. H. Durand

   Originals Pages: 678 - 681

8. Anion exchange properties of insoluble solids: Separation of chloride from other halides on AgCl columns and of sulphate from sulphide on lead sulphate columns

   • M. Qureshi
   • K. G. Varshney
   • S. Naheed

   Short Communications Pages: 682 - 683

9. Die gleichzeitige Verwendung von FID und ECD im Anschluß an eine Kapillarsäule

   • K. Bächmann
   • W. Emig
   • D. Tsotsos

   Short Communications Pages: 684 - 686

10. Book reviews

    • C. B. F. Rice
    • P. R. Huddleston

    BookReview Pages: 687 - 688

11. Annoucement

    Announcement Pages: 688 - 690

12. New products

    Announcement Pages: 692 - 692