CLEAPSS Supporting practical science and technology
Bulletin 110 - Spring 2001
This edition includes notes on the SciTech technicians' 'chat line', a DIY method for clearing blocked gas taps, what the word 'dilute' might mean in the context of school chemical solutions, the ban on buying and using some chlorinated hydrocarbons, and a tip on using carbon fibre rods for electrode instead of the more fragile carbon rods.