Magnesium Pencil Sharpener
Product Code: M08
This is the stuff McGuyver has dreamt about. Magnesium pencil sharpeners are hot!
New Zealand Price Estimate: |
$2.05 |
Product Description
If you have read our book Expose, Excite, Ignite! An Essential Guide to Whizz-Bang Chemistry, then you will know why we sell magnesium sharpeners . . . It burns brightly in steam and water producing magnesium oxide and hydroxide! See image and video below. But wait before you try this in the kitchen - there are some serious safety concerns.
Another option is the powering of an electronic clock using one pencil sharpener or demonstrating cathodic protection. Did you know that a magnesium pencil shapener dropped in salt water will disappear within days and only the blade be left?
Teach: exothermic reactions, oxidation, combustion, alkali earth metal reactions, electrochemistry, cathodic protection
Age: Teacher demonstration for ages 10+ years
The price is for one pencil sharpener.
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