1. Automation of pesticide residue analysis

   • R. W. Jennings
   • D. L. Jue
   • J. E. Suggs

   Originals Pages: 353 - 355

2. Adsorption chromatography of alkaloids of fumaria officinalis

   • W. Golkiewicz
   • T. Wawrzynowicz

   Originals Pages: 356 - 358

3. A dual-column gas chromatographic method for the analysis of inorganic gases and C₁−C₂ hydrocarbons produced during radiolysis of acetic acid

   • S. Lukáč

   Originals Pages: 359 - 362

4. Cation exchange behavior of manganese(III) on Dowex 50-X8 separation from mixtures by selective methods

   • S. B. Akki
   • S. M. Khopkar

   Originals Pages: 363 - 365

5. A flat slit disc column for chromatography

   • H. E. Dubský

   Originals Pages: 366 - 368

6. Estimation of the accuracy of thermodynamic quantities calculated from gas chromatographic data

   • T. I. Bertush
   • A. V. Kiselev
   • R. S. Petrova

   Originals Pages: 369 - 371

7. Use of thermodynamic functions of solution for identification in gas-liquid chromatography

   • A. N. Korol

   Originals Pages: 372 - 375

8. An accessory for headspace analysis

   • H. Pauschmann

   Short Communication Pages: 376 - 377

9. Anforderungen an Gas-Druckregler in der Gas-Chromatographie. Ein neuer Druckfeinregler

   • O. Knapp
   • M. Lochner

   Short Communication Pages: 378 - 380

10. Announcements

    • R. J. Maggs

    Announcement Pages: 381 - 382

11. Rentention indices in gas chromatography

    • R. Kaiser

    Green Pages Pages: 383 - 398

12. Errata

    Erratum Pages: 399 - 399