Introduction

DIDAC started life as an educational, sometimes comic, aid for chemistry lessons in the secondary school. Thanks to the high pedagogic demands that have been made during its lifetime it has developed into an authority among teachers.

This gives us great pleasure and we take pride in it.

DIDAC-5 is the last in the series..

In this edition we have taken note of the constructive comments passed on to us by DIDAC users and paid more attention to material for use with students who are not following an advanced chemistry course. The Agfa-Gevaert N.V. team has once again been assisted by professors attached to university teaching departments and also by teachers themselves. We are indebted to them for their very real contributions to both this and previous bundles..

Agfa-Gevaert is a company that believes in High-Chem for the realization of progress and wellbeing. The 5 DIDAC bundles have hopefully played their part in chemistry education and provided support to all those of you who dedicate yourselves to the education of young people. We wish them every success and hope that the DIDAC series will be of use to them in the future.

June 2000.



René Peeters
Former Director of Agfa-Gevaert N.V.