| Joined: | Sun Apr 22nd, 2012 |
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| Posts: | 261 |
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... And at risk appearing "Granny State" and annoying you, take care with the NaOH
Ed
On these premises we don't do nanny state, political correctness, EU bureaucracy or anything like that. It's a little corner of England still defiant.
Thanks for the link on zinc oxide, though actually there's a supplier in London who will sell to the public, and he's got ZnO, Mercury ore, Potassiums etc.
The sodium hydroxide I found in a rather cunning source, available from any DIY outfit.
I also need some graphite to mix with the HgO, but this is found in any carpenter's pencil.
The main challenge now is not the chemicals, but designing and producing a case which doesn't leak. I'm initially thinking of a three part case: Delrin body with two steel threaded end caps. In this way the case could be re-fillable.
The issue here is that the case for my cell application has to be a mere 11.6mm X 3.6mm, so some careful lathe work is needed and a very fine thread on the end caps