1. On the determination of the column dead volume from homologous series

   • H. J. Möckel
   • U. Dreyer
   • H. Melzer

   Original Papers Pages: 673 - 677

2. Polymer coated cation exchanger in ion chromatography: preparation, properties and applications

   • Gernot Huhn
   • Georg Schwedt
   • Helmut Müller

   Original Papers Pages: 678 - 683

3. Chromatography with dense gases

   • Yu Yang
   • Wolfram Baumann

   Original Papers Pages: 684 - 687

4. Evaluation of thermionic detector for packed capillary supercritical fluid chromatography of nitrogen-containing compounds

   • M. Ashraf-Khorassani
   • J. M. Levy

   Original Papers Pages: 688 - 691

5. Preatomization behaviour of Se(-II), Se(IV), and Se(VI) in the graphite furnace without and with matrix modifiers

   • V. Krivan
   • M. Kückenwaitz

   Original Papers Pages: 692 - 697

6. Use of less polar organic solvents for the polarographic determination of metals after extraction of their diethyldithiocarbamates

   • Yukio Nagaosa
   • Kiyoshi Horita
   • Seiichi Nishimoto

   Original Papers Pages: 698 - 701

7. Speciation study of trace elements by HPLC Part III. The effect of alcohols on the retention behaviour of Cr(III, VI)-APDC co-ordination complexes

   • Yao Xin-dong
   • Liu Jin-chun
   • Zeng Yun'e

   Original Papers Pages: 702 - 705

8. Determination of traces of lanthanides in cerium oxide by liquid chromatography with on-column preconcentration

   • V. Kubáň
   • I. Jančářová
   • R. Šulová

   Original Papers Pages: 706 - 710

9. Trace analysis of cationic surfactants in water using HPLC with conductometric detection

   • L. Nitschke
   • R. Müller
   • L. Huber

   Original Papers Pages: 711 - 713

10. Comparison of different microwave-based digestion techniques in view of their application to fat-rich foods

    • Lothar Dunemann
    • Maria Meinerling

    Original Papers Pages: 714 - 718

11. ¹H and ¹³C NMR spectral analysis of some necines of toxic pyrrolizidine alkaloids

    • E. Röder
    • K. Liu
    • T. Bourauel

    Original Papers Pages: 719 - 722

12. Determination of sulfamethoxazole and trimethoprim by ratio spectra derivative spectrophotometry

    • J. J. Berzas Nevado
    • J. M. Lemus Gallego
    • G. Castañeda Peñalvo

    Original Papers Pages: 723 - 728

13. Interference-free glucose sensor based on glucose-oxidase immobilized in an overoxidized non-conducting polypyrrole film

    • D. Centonze
    • A. Guerrieri
    • P. G. Zambonin

    Original Papers Pages: 729 - 733

14. Spectrophotometric determination of phosphorus as phosphate in organic compounds and materials of biological origin using a flow-injection manifold with a mixing chamber

    • D. Thorburn Burns
    • N. Chimpalee
    • M. Harriott

    Original Papers Pages: 734 - 736

15. Voltammetric trace determination of ubiquinones at mercury electrodes

    • H. Emons
    • G. Wittstock
    • H. Seidel

    Original Papers Pages: 737 - 739

16. Determination of aluminium and chromium in serum by atomic absorption spectrometry

    • Ewa Bulska
    • Katarzyna Wróbel
    • Adam Hulanicki

    Original Papers Pages: 740 - 743

17. Determination of 1-vinyl-2-pyrrolidone in human serum by high-performance liquid chromatography

    • Wolfgang Will
    • Gerhard Hoffmann
    • Andreas Zober

    Original Papers Pages: 744 - 745

18. Gas-chromatographic determination of propylene- and diethylene glycol ethers in urine

    • B. Hubner
    • K. Geibel
    • J. Angerer

    Original Papers Pages: 746 - 748

19. The use of thermospray-liquid chromatography/mass spectrometry for the verification of chemical warfare agents

    • E. R. J. Wils
    • A. G. Hulst

    Original Papers Pages: 749 - 758