1. A new photoionization detector for gas chromatography

   • N. Ostojić
   • Z. Šternberg

   Originals Pages: 3 - 5

2. A correlation between the specific surface area of GLC column packings and the stationary phase volume

   • R. N. Nikolov

   Originals Pages: 6 - 9

3. Influence de la non-linéarité du détecteur sur l'exactitude du calcul des moments d'un pic chromatographique

   • T. Petitclerc
   • G. Guiochon

   Originals Pages: 10 - 13

4. Chlorides of nickel, cobalt and barium as adsorbents in gas chromatography

   • L. D. Belyakova
   • A. M. Kalpakian
   • A. V. Kiselev

   Originals Pages: 14 - 18

5. Gas chromatographic determination of inorganic gases in high purity ethylene

   • V. Jadrijević
   • D. Deur-Šiftar

   Originals Pages: 19 - 21

6. Gas chromatographic investigation of adsorption equilibria on graphitized thermal carbon black

   • E. V. Kalaschnikova
   • A. V. Kiselev
   • K. D. Shcherbakova

   Originals Pages: 22 - 25

7. Correlations between boiling points and relative retention data for hydrocarbons

   • L. Soják
   • J. Krupčík
   • J. Rijks

   Originals Pages: 26 - 29

8. The gas chromatographic separation of isomeric 1- and 2-substituted naphthalenes on liquid crystals as stationary phases

   • G. Chiavari
   • L. Pastorelli

   Originals Pages: 30 - 33

9. Factors in choosing a liquid chromatograph

   • T. Wolf

   Short Communications Pages: 34 - 35

10. Paper chromatographic technique for the detection of colouring matter in liquors and wines

    • S. N. Tewari
    • S. C. Sharma
    • V. K. Sharma

    Short Communications Pages: 36 - 37

11. Announcements

    Announcement Pages: 38 - 38

12. Entitled relative efficiencies in liquid chromatography

    • I. Halász

    Errata Pages: 38 - 38

13. Beiträge zur Theorie der Chromatographie

    • Á. Pethö
    • G. Schay

    Errata Pages: 38 - 38

14. The retention index system; its utilization for substance identification and liquid phase characterization

    • L. S. Ettre

    Green Pages Pages: 39 - 46