1. Do we need chemical lawyers or juridical chemists?

   • Paul De Bièvre

   Editorial Pages: 167 - 167

2. Protocols for traceability in chemical analysis

   • P. de Bièvre
   • Robert Kaarls
   • William P. Reed

   REVIEW PAPER Pages: 168 - 179

3. Uncertainty in chemical analysis and validation of the analytical method: acid value determination in oils

   • I. Kuselman
   • Avinoam Shenhar

   GENERAL PAPER Pages: 180 - 185

4. Some practical aspects of the validation of photometric systems for clinical analyses

   • M. Buzoianu
   • H. Y. Aboul-Enein

   PRACTITIONER'S REPORT Pages: 186 - 192

5. Traceability in the amount-of-substance analysis of natural potassium, thorium and uranium by the method of passive gamma-ray spectrometry

   • Y. Nir-El

   PRACTITIONER'S REPORT Pages: 193 - 198

6. Quality assurance in the view of a commercial analytical laboratory

   • W. Jäger

   PRACTITIONER'S REPORT Pages: 199 - 202

7. Quality assurance in analytical chemistry - what does it mean?

   DISCUSSION FORUM Pages: 202 - 203

8. The European Eco-Management and Audit Scheme Accreditation – an overview

   • T. Dempsey
   • John Hussey

   LEGISLATION AND NORMS Pages: 205 - 208

9. Programa Interlaboritorios de Control de Calidad (PICC) (interlaboratora quality control program)

   INTERLABORATORY PROGRAMMES Pages: 208 - 209

10. Announcement of Proficiency Testing Schemes

    INTERLABORATORY PROGRAMMES Pages: 209 - 210

11. Calendar of Events

    Pages: 213 - 214

12. Comment by the authors of the glossary of analytical terms

    DISCUSSION FORUM Pages: a204 - 204