1. Gas chromatography in qualitative analysis

   • M. B. Evans

   Originals Pages: 441 - 447

2. Gas chromatographic investigation of adsorption of normal alkenes C₆−C₁₀ on graphitized thermal carbon black

   • O. G. Eisen
   • A. V. Kiselev
   • K. D. Shcherbakova

   Originals Pages: 448 - 454

3. Valley to peak ratio as a measure for the separation of two chromatographic peaks

   • A. B. Christophe

   Originals Pages: 455 - 458

4. Zur Thermodynamischen Begründung der Kovats'schen Retentionsindizes

   • R. -W. Bach
   • E. Dötsch
   • L. Marx

   Originals Pages: 459 - 462

5. Some applications of the gas chromatographic linear retention index

   • M. S. Vigdergauz
   • A. A. Martynov

   Originals Pages: 463 - 467

6. Data processing of GLC pesticide analyses by means of a time-shared computer system

   • L. G. M. Th. Tuinstra
   • J. B. H. D. de Graaff

   Originals Pages: 468 - 471

7. Chroamtographic study of the oxidation of hexachlorotechnetate (IV) ion

   • S. K. Shukla

   Originals Pages: 472 - 474

8. Introduction system for samples consisting of gas and liquid phases

   • E. Malan
   • N. H. Loubser
   • O. Els

   Short Communication Pages: 475 - 478

9. Errors in chromatography

   • R. Kaiser

   Green Pages Pages: 479 - 490