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If you are visiting these pages again, welcome back...

A new design for the pages is gradually being introduced, which I hope will make them easier to read on screen and also give a fresher feel. (May 2007)

Ionic bonding, an article which I hope will convince you that metals don't 'want' to lose electrons (November 5th 2006).

The membrane cell for the electrolysis of sodium chloride solution - the ion-exchange membrane is much more than just a physical barrier. (July 13th 2006)