1. Method for evaluating the kinetics of dynamic gas extraction

   • Ladislav Zelinka

   Original Papers Pages: 769 - 773

2. Determination of n-paraffinic structure in petroleum fraction by infrared spectroscopy

   • Veda Ramaswamy
   • I. D. Singh

   Original Papers Pages: 774 - 776

3. Enhancement effect of organic solvents in inductively coupled plasma atomic emission spectrometry

   • Takahiro Kumamaru
   • Yasuaki Okamoto
   • Hiroshi Matsuo

   Original Papers Pages: 777 - 781

4. Determination of residual solvents in a transdermal system by means of headspace gas chromatography

   • Heinfried Grote
   • Günter Leugers

   Original Papers Pages: 782 - 785

5. Fully automated and computer-controlled polarography

   • S. Ebel
   • R. Brockmeyer

   Originalarbeiten Pages: 786 - 788

6. Chelate adsorption for trace voltammetric measurements of iron(III)

   • Joseph Wang
   • Jawad Mahmoud

   Original Papers Pages: 789 - 793

7. Numerische Kenngrößen zur Spektrenbibliothekssuche für HPLC/UV-Datenbanken

   • S. Ebel
   • W. Mück
   • A. Werner-Busse

   Originalarbeiten Pages: 794 - 797

8. Separation of metal chelates with diselenoacetylacetone by thin-layer chromatography on silica gel

   • T. Honjo

   Short Communications Pages: 798 - 798

9. Resolution of phenylthiohydantoine amino acids on impregnated silica gel layers

   • R. Bhushan
   • G. P. Reddy

   Short Communications Pages: 798 - 799

10. A comparative study on three methods for determining the gold content of jewelry

    • Anna-Maija Antila
    • Marja-Liisa Sihvonen

    Short Communications Pages: 799 - 800

11. New equipment and chemicals

    Announcement Pages: A7 - A8