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When you open the document there are a series of tabs to click on.
You can also use the arrows at the bottom left to scroll to the chemical list you are interested in.

Hope this helps,
Lorna

Hello I recently purchased guko rubber gaskets from Science Supply, cat. no. 2920227. They are similar in size to the ones you have although the hole is slightly larger and tapered to suit a variety of funnels. I originally bought them to use with glass sintered crucibles but they can also be used w...

Hi Amanda Our school has been using this system for about 18 months now and the majority of teachers are very good about using it to request pracs as well as provide the risk assessment. This was something my predecessor found very hard to get the teachers to do consistently. I think the teachers ha...

The copy of the prac I have here is in two parts. 1. Measures enzyme activity in liver with peroxide where the liver is either cubed, chopped or boiled. 2. Looks at enzyme activity of cubed liver with peroxide at different pH's by adding an equal volume of solutions of pH3 (1M HCl), pH7 (deionised w...