[ RadSafe ] Thorium Lamp Mantles

[Joe Shonka]

You can use thoriated welding rods. US has 4% thorium in tungsten.  You can buy 10% thorium rods from Japan over the Internet. Get large diameter rods.

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> On May 29, 2015, at 5:11 PM, Ted de Castro <tdc at xrayted.com> wrote:
> 
> Does anyone know where there may be a source of the Thoriated - ie. radioactive - lamp mantles.
> 
> I need a few check sources and only have 2 hot packets left.
> 
> The Coleman branded ones have not been hot for some time - but I just went shopping around and even the imports I found are cold.
> 
> A packet of No Salt is not quite hot enough to work well and a smoke detector source is too hot and a bag of fertilizer too large.  AND - I am NOT breaking up my Fiesta Ware!!!
> 
> Ted de Castro
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