Hi Phil,
I dare to start speculating here because that's just what I would be doing, but metallic oxides are certainly not always conductive. As a matter of fact, iirc some aluminum oxides are used as insulators. I am not a chemist so I'm only "punting" here but I'm sure Jim Lux or some of the other resident geniuses could elaborate further.
David
Sent from my iPhone
> On Nov 9, 2013, at 10:27 AM, "Phil Tuck" <phil@xxxxxxxxxxx> wrote:
>
>
> All,
> Does anyone know for fact if the fine white dust that you find around a
> rotary spark gap, from the ablation of the electrodes, is actually
> conductive? One supposes it is, but logic and reality can be differant.
> Regards
> Phil T
>
> www.hvtesla.com
>
>
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