1. Letter to the editors

   Letter 01 September 1977 Pages: 519 - 520

2. In-situ fractionation—A simple technique for analysis complex mixtures using a routine-gas chromatograph

   • K. A. Goode

   Originals 10 November 2005 Pages: 521 - 528

3. Correlation between the retention indices and the connectivity indices of alcohols and methyl esters with complex cyclic structure

   • R. Kaliszan

   Originals 01 September 1977 Pages: 529 - 531

4. Peak asymmetry in gas-liquid chromatography caused by adsorption exchange between the molecules of the sorbate and the stationary liquid phase

   • A. N. Genkin
   • N. S. Levina

   Originals 01 September 1977 Pages: 532 - 536

5. Ein-einfaches Vollglas-Doppelsäulensystem als Identifizierungshilfe für gas-chromatographische Analysen

   • D. Ullrich
   • W. Dulson

   Originals 01 September 1977 Pages: 537 - 541

6. Cation chromatography on tin (II) hexacyanoferrate (II) papers in HCl and HCl+NH₄Cl systems. Prediction of Ksp values from Ri values

   • K. G. Varshney
   • S. S. Varshney

   Originals 01 September 1977 Pages: 542 - 544

7. Thermodynamic evaluation of the interaction of fatty acid methyl esters with polar and non-polar stationary phases, based on their retention indices

   • R. V. Golovnya
   • T. E. Kuzmenko

   Originals 01 September 1977 Pages: 545 - 548

8. The influence of the amount of stationary phase and nature of solid support on retention indices

   • Eli Grushka
   • T. A. Goodwin

   Originals 01 September 1977 Pages: 549 - 553

9. Impurity analysis in pure-grade 1,3-butadiene

   • A. Di Corcia
   • R. Samperi
   • G. Capponi

   Short Communication 01 September 1977 Pages: 554 - 555

10. Announcement

    Announcement 01 September 1977 Pages: 556 - 556

11. New products

    Announcement 01 September 1977 Pages: 557 - 567