Thorium Oxide - Where could I buy small quantity?


I am developing medium pressure mercury lamps and in order to protect the electrodes and increase its life it is necessary to coat them with thorium oxide.

In Brazil it is not easy to find this material. Could some one tell me where could I buy small quantities, in powder, of thorium oxide?

Best Regards,

Marcio Moraes -

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Mr. Marcio Moraes
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in article, Dirk Bruere at Neopax at wrote on 11/16/04 3:30 AM:

In the US at least, most use yttrium oxide now.


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Repeating Rifle

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