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Cutting Tungsten (fwd)
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From: richard hull [SMTP:rhull-at-richmond.infi-dot-net]
Sent: Thursday, April 02, 1998 6:22 PM
To: Tesla List
Subject: Re: Cutting Tungsten (fwd)
At 12:22 AM 4/2/98 -0600, you wrote:
>
>----------
>From: Jim Lux [SMTP:jimlux-at-earthlink-dot-net]
>Sent: Wednesday, April 01, 1998 10:41 AM
>To: Tesla List
>Subject: Re: Cutting Tungsten (fwd)
>
>
>> ---------- Forwarded message ----------
>> Date: Tue, 31 Mar 1998 08:01:17 EST
>> From: Hollmike <Hollmike-at-aol-dot-com>
>> To: tesla-at-pupman-dot-com
>> Subject: Re: Cutting Tungsten (fwd)
>>
>> Jim, Rich, all,
>> I just wanted to add that thorium is relatively harmless UNLESS YOU
>> BREATHE THE DUST. The alpha radiation is blocked by a few inches of air
>> because it is so reactive (a helium ion deficient in two electrons = very
>> ionizing). If you happen to breathe even a little of the dust, this
>> ionization occurs in lung tissue and becomes extremely damaging. At 2%
>> thorium, these rods will send the typical geiger-mueller counter off the
>> scale.
>Interestingly, I put an unused 2% thoriated electrode next to my GM
>counter's alpha window and got NO increase in count rate. Perhaps the
>electrode is plated with tungsten ( a mighty good alpha blocker) or even a
>film of oil or plastic? Next I'll go look at the grinding wheel the welders
>have been using to grind the electrodes...
Thoriated rod is not very radioactive at all!!!
I have 100% elemental throium on hand in rod and sheet it is moderately hot,
but the 2% rod is vitually dead.
Richard Hull, TCBOR