1. Working party on analytical chemistry (WPAC)

   • Federation of European Chemical Societies (FECS)
   • Lauri Niinistö
   • R. Kellner

   OriginalPaper Pages: A7 - A8

2. IUPAC international congress on analytical sciences 1991 Chiba, Tokyo, August 25–31, 1991

   • M. Grasserbauer

   Editorial Pages: A9 - A9

3. Literature survey of the on-line preconcentration in flow-injection atomic spectrometric analysis

   • V. Carbonell
   • A. Salvador
   • M. de la Guardia

   Review Pages: 529 - 537

4. Apparent content curves: description and analytical applications. Resolution of binary mixtures

   • M. Llobat Estellés
   • R. Marín Saez
   • M. D. San Martín Ciges

   Original Papers Pages: 538 - 546

5. Continuous sample monitoring by flow reversal methodology

   • M. Romero-Saldaña
   • A. Ríos
   • M. Valcárcel

   Original Papers Pages: 547 - 551

6. Application of the synergetic luminescence of Eu in time-resolved fluoroimmunoassay

   • Jianjun Li
   • Guanquan Chen
   • Yun'e Zeng

   Original Papers Pages: 552 - 555

7. HPLC analysis of V, Co, Fe, and Ni by 4-(2-pyridylazo)-resorcinol, PAR, and H₂O₂ and studies on complex properties influencing retention

   • Xia Yu Ming
   • Yi He Wu
   • Georg Schwedt

   Original Papers Pages: 556 - 559

8. Sorption and preconcentration of copper and cadmium on silica gel modified with 3-aminopropyltriethoxysilane

   • Hürrem Ince
   • Süleyman Akman
   • Ünel Köklü

   Original Papers Pages: 560 - 562

9. Optimization of slurry nebulization inductively-coupled plasma atomic emission spectrometry for the analysis of ZrO₂-powder

   • R. Łobiński
   • W. Van Borm
   • G. Tölg

   Original Papers Pages: 563 - 568

10. Inductively-coupled plasma atomic emission spectroscopic determination of trace impurities in ZrO₂-powder

    • R. Łobiński
    • J. A. C. Broekaert
    • G. Tölg

    Original Papers Pages: 569 - 580

11. Determination of tertiary amines in non-aqueous solvents in the presence of primary and secondary amines

    • P. López Mahía
    • J. Simal Gándara
    • J. Simal Lozano

    Original Papers Pages: 581 - 585

12. Multi-elemental determination of heavy elements in plastics using X-ray fluorescence after destruction of the polymer by molten sodium hydroxide

    • V. Peris Martinez
    • F. Bosch Reig
    • M. T. Doménech Carbó

    Original Papers Pages: 586 - 590

13. Gas-chromatographic determination of airborne monoethanolamine using reagent-coated adsorbent tubes

    • Virindar S. Gaind
    • Kazik Jedrzejczak
    • Barbara Guldner

    Original Papers Pages: 591 - 596

14. Selective spectrofluorimetric determination of zinc in biological samples by flow injection analysis (FIA)

    • P. Fernández
    • C. Pérez Conde
    • C. Cámara

    Original Papers Pages: 597 - 600

15. Adsorptive stripping analysis of thiocytosine at the static mercury electrode surface

    • Y. M. Temerk
    • M. M. Kamal
    • M. S. Ibrahim

    Original Papers Pages: 601 - 605

16. Stopped-flow fluorimetric determination of ampicillin in serum

    • P. Izquierdo
    • A. Gómez-Hens
    • D. Pérez-Bendito

    Original Papers Pages: 606 - 608

17. Comment on “Determination of Pb⁴⁺ and Pb²⁺ in high T_c oxide superconductors”, published by Namiki M, Hirokawa K (1990) Fresenius J Anal Chem 338:296–297

    • S. Scheurell
    • E. Kemnitz
    • F. Scholz

    Short Communications Pages: 609 - 610

18. Reply to Dr. F. Scholz's comments on “determination of Pb⁴⁺ and Pb²⁺ in high T_c oxide superconductors”

    • K. Hirokawa

    Short Communications Pages: 610 - 610