1. Editorial 1969

   EditorialNotes Pages: 3 - 4

2. Further studies of a universal method for the continuous radioactivity measurement of³H- and¹⁴C-labelled compounds after GC

   • R. Tykva
   • H. Simon

   Originals Pages: 5 - 10

3. Über den „totvolumenfreien” Anschluß von Glaskapillaren in kommerziellen GC-Geräten

   • G. Schomburg
   • H. Husmann

   Originals Pages: 11 - 13

4. Pyrolysis gas chromatography of aromatic carboxylic acids

   • P. Kriemler
   • J. A. Völlmin
   • W. Simon

   Originals Pages: 14 - 16

5. Thin layer chromatography of metal diketonates

   • J. C. Trehan

   Short Communications Pages: 17 - 18

6. Thin layer chromatographic method for the separation of tellurium and selenium

   • J. Rai
   • V. P. Kukreja

   Short Communications Pages: 18 - 19

7. Ein Kapillartrichter für die Chromatographie

   • J. Dittmann

   Short Communications Pages: 19 - 20

8. Nonlinearity of flame lonisation detector—a simple method of absolute measurement

   • R. Kaiser
   • W. Stoll
   • K. Fischer

   Short Communications Pages: 20 - 22

9. Some recent advances in thin layer chromatography

   • A. Niederwieser

   Serial Pages: 23 - 30

10. Chromatography on thin layers

    Annoucements Pages: 31 - 32

11. Letters to the editor

    • R. C. Marshall
    • K. Hulbert

    Annoucements Pages: 32 - 32