1. Interactions of components with stationary phases in different versions of chromatography

   • A. V. Kiselev

   Editorial Pages: 117 - 118

2. Chromatography in the nature

   • M. S. Vigdergauz

   Originals Pages: 119 - 122

3. Adaption of the ninhydrin reactor to highly efficient columns for amino acid analysis by chromatography

   • K. M. Jonker
   • H. Poppe
   • J. F. K. Huber

   Originals Pages: 123 - 127

4. Möglichkeiten der Unterscheidung von Bakterien mit Hilfe der Curie-Punkt-Pyrolyse, der Gas-Chromatographie und der Computerauswertung der Pyrogramme

   • K. Wasserfallen
   • F. Rinderknecht

   Originals Pages: 128 - 136

5. Study of the effect of the nature of the carrier gas on retention volumes and differential molar changes of internal energy during adsorption on some porous polymers

   • T. N. Gvosdovich
   • A. V. Kiselev
   • Ya. I. Yashin

   Originals Pages: 137 - 140

6. High-performance liquid and gas-liquid chromatography of isomeric phenoxathiins. Use of organo-clay to increase selectivity

   • M. Lafosse
   • G. Keravis
   • G. Saint-Ruf

   Originals Pages: 141 - 144

7. Application of high-pressure liquid chromatography in inorganic analysis

   • G. Schwedt

   Originals Pages: 145 - 148

8. Nature of the chromatographic process for inorganic substances on cellulose and silica gel thin layers

   • Z. Šoljić

   Originals Pages: 149 - 152

9. A systematic study of the chromatographic behavior of 48 metal lons on plain and stannic arsenate impregnated papers in DMSO-HNO₃ systems

   • M. Qureshi
   • S. D. Sharma

   Originals Pages: 153 - 160

10. Bemerkungen zum Editorial in Chromatographia 12/77

    • Heinz Engelhardt

    Letter to the Editors Pages: 161 - 161

11. Announcement

    Announcement Pages: 162 - 162

12. Book reviews

    • David A. Ferguson
    • A. Braithwaite
    • E. Grushka

    BookReview Pages: 162 - 162

13. New products

    Announcement Pages: 168 - 168