1. Analysts need target values for uncertainties

   • P. De Bièvre

   EDITORIAL Pages: 139 - 139

2. Qualification and validation of software and computer systems in laboratories

   • L. Huber

   GENERAL PAPER Pages: 140 - 144

3. Uncertainty – statistical approach, 1/f noise and chaos

   • P. Serapinas

   GENERAL PAPER Pages: 145 - 149

4. Detection limits and quantitation limits in the view of international harmonization and the consequences for analytical laboratories

   • Rüdiger Kaus

   SHORT CONTRIBUTION Pages: 150 - 154

5. Validation of the uncertainty evaluation for the determination of metals in solid samples by atomic spectrometry

   • R. J. N. Bettencourt da Silva
   • M. Filomena G. F. C. Camões
   • João Seabra e Barros

   PRACTITIONER'S REPORT Pages: 155 - 160

6. The Hungarian accreditation process

   • József Hlavay
   • Rózsa Ring
   • Péter Fodor

   POLICIES AND CONCEPTS Pages: 161 - 163

7. Information on the Activity of the IUPAC Interdivisional Working Party on Harmonization of Quality Assurance Schemes for Analytical Laboratories

   • A. Fajgelj
   • Michael Parkany

   POLICIES AND CONCEPTS Pages: 163 - 165

8. International Symposium on Chemical measurement: world-wide inter- laboratory comparisons

   • A. Squirrell
   • Ron Walker

   MEETING REPORT Pages: 165 - 168

9. Third European Conference on Quality Management in Clinical Laboratories: "QUALITY (R)EVOLUTION IN CLINICAL LABORATORIES", 30–31 October 1997, Antwerp, Belgium

   • J. C. Libeer
   • H. M. J. Goldschmidt

   MEETING REPORT Pages: 168 - 169

10. Glossary of Analytical Terms (X)*

    • Elizabeth Prichard
    • Heiner Albus
    • Wolfhard Wegscheider

    TERMINOLOGY AND DEFINITIONS Pages: 171 - 173

11. The Activities of REMCO, ISO's REference Material COmmittee

    • Harry Klich

    INTERNATIONAL COMMITTEES Pages: 173 - 174