1. The efficiency of open tubular gas chromatographic columns

   • I. Brown

   Originals Pages: 265 - 270

2. Gas chromatography with programming the mobile phase flow rate

   • S. A. Volkov
   • Yu. A. Sultanovich
   • K. I. Sakodinskii

   Originals Pages: 271 - 276

3. Mass and heat transfer effects in continuous production scale gas-liquid chromatographic equipment

   • P. E. Barker
   • D. M. Bell
   • R. E. Deeble

   Originals Pages: 277 - 284

4. Observations on the rapid size-exclusion chromatography of proteins

   • R. A. Barford
   • B. J. Sliwinski
   • H. L. Rothbart

   Originals Pages: 285 - 288

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

   • G. Schwedt

   Originals Pages: 289 - 293

6. Separation and determination of components of spiramycin in bulk powders and in pharmaceutical preparations by high-performance liquid chromatography

   • G. A. Bens
   • W. Van den Bossche
   • P. De Moerloose

   Originals Pages: 294 - 298

7. Polyphenolic compounds as spray reagents in inorganic paper chromatography-Part II

   • M. L. Dhar
   • K. Pandita
   • A. C. Jain

   Originals Pages: 299 - 301

8. preparative liquid chromatography: History and trends-supplemental remarks

   • L. S. Ettre

   Short Communications Pages: 302 - 304

9. Novel spray reagents for plant pigments

   • K. P. Tiwari
   • P. K. Minocha
   • M. Masood

   Short Communications Pages: 305 - 305

10. Thin-layer chromatographic analysis of some new 1,8-disubstituted triphenodioxazines

    • K. G. Ojha
    • S. K. Jain
    • R. R. Gupta

    Short Communications Pages: 306 - 307

11. Study of the behaviour of chiral alcohols by gas chromatography on chiral phases

    • G. Berrod
    • J. Bourdon
    • P. Schifter

    Erratum Pages: 308 - 308

12. Announcements

    Announcement Pages: 309 - 313

13. New products

    Announcement Pages: 314 - 332