1. Utilisation of certified reference materials in monitoring common environmental pollutants (PAHs, Nitro-PAHs, PCBs)

   • A. S. Lindsey
   • J. J. Belliardo
   • P. J. Wagstaffe

   Review Pages: 599 - 606

2. Anwendbarkeit und Anwendung von Expertensystemen in der Analytik

   • G. Wünsch
   • M. Gansen

   Original Papers Pages: 607 - 614

3. Dyes of the triphenylmethane type as sensor materials for solvent vapours

   • Franz L. Dickert
   • Michael Vonend
   • Gert Mages

   Original Papers Pages: 615 - 618

4. A double-membrane nitrate ion-selective electrode based on aliquat-nitrate in paraffin

   • Carmelo Diaz
   • Juan Carlos Vidal
   • Javier Lanaja

   Original Papers Pages: 619 - 623

5. Ein universelles System für 2-Phasen-SÄure/Base-Titrationen

   • S. Wolf

   Original Papers Pages: 624 - 628

6. Ein Einstrahl-Photoakustik (PA)-Spektrometer für PA-Untersuchungen an Lösungen

   • A. Holter
   • H. -H. Perkampus

   Original Papers Pages: 629 - 633

7. Simple screening method for the fast determination of clenbuterol in animal feeds

   • H. Steinwandter

   Orininal Papers Pages: 634 - 636

8. Analysis of the carcinogen 4,4′-methylenedianiline (MDA) in gamma-ray and in autoclave-sterilized polyurethane

   • Hideharu Shintani
   • Akitada Nakamura

   Original Papers Pages: 637 - 640

9. Marine biological reference materials for methylmercury: analytical methodologies used in certification

   • S. S. Berman
   • K. W. M. Siu
   • V. P. Clancy

   Original Papers Pages: 641 - 644

10. Intakter Chemoreceptor als Biosensor zur Pesticiderfassung

    • P. Zink
    • G. A. Rechnitz

    Short Communication Pages: 645 - 646

11. New books

    BookReview Pages: 647 - 648

12. 1.1 Fundamentals, methods, apparatus, reagents, automation, data processing

    Abstracts Pages: 649 - 658

13. 1.2 Inorganic analysis

    Abstracts Pages: 658 - 663

14. 2.1 Inorganic industrial products

    Abstracts Pages: 663 - 666

15. 2.2 Organic industrial products

    Abstracts Pages: 666 - 670

16. 2.3 Rocks, minerals, soils

    Abstracts Pages: 670 - 671

17. 2.4 Environmental matrices

    Abstracts Pages: 671 - 676

18. 2.6 Foods

    Abstracts Pages: 676 - 679

19. 2.8 Pharmaceuticals and cosmetics

    Abstracts Pages: 680 - 684

20. 3 Biochemical and clinical analysis

    Abstracts Pages: 684 - 696

21. Neue Geräte und Chemikalien

    Announcement Pages: A7 - A8