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Re: oxalic acid/graphite
- To: Aquatic-Plants at actwin_com
- Subject: Re: oxalic acid/graphite
- From: Paul Sears <psears at nrn1_NRCan.gc.ca>
- Date: Thu, 28 Nov 2002 08:38:50 -0500 (EST)
- In-reply-to: <200211281002.gASA20e8006154 at otter_actwin.com> from "Aquatic Plants Digest" at Nov 28, 2002 05:02:00 AM
> From: Bill Wichers <billw at waveform_net>
> Subject: Re: Oxalic acid
>
> Graphite could probably be acquired from a theatrical lighting supply house
> in the form of electrodes for carbon-arc lights (very old technology
> though, might be hard to find). Titanium is also pretty inert, and should
> be more durable as well as easier to find (http://www.onlinemetals.com).
> Just get some titanium rods, and either thread the ends or drill and tap
> holes in the ends (depending on the size of the rod) to connect wires.
I think I can guarantee that titanium will _not_ work. The
titanium II and III electrode potentials are much worse than those
for iron.
--
Paul Sears Ottawa, Canada