Re: Rigid Material needed
From: Detection (nospam_at_nospam.com)
Date: 10/11/04
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Date: Sun, 10 Oct 2004 21:34:52 -0500
"jim" <road12fg@netscape.net> wrote in message
news:041jm0pif9dvvaiplke8acb7ag4jcrqb1k@4ax.com...
> I've built my own scintillator apparatus with a 12by12by2 inch
> polyvinyltoulene block which needs good support. Does anyone have any
> suggestions as to what material would be best for a support enclosure
> that would pass the max alpha and beta radiation. I'm just doing some
> experiments in spectroscopy and would like a material that is strong
> yet passes most particles. thanks jim
good luck on detecting alpha with plastic, it will stop at the surface,
should use zinc sulfide Takes a special design for alphas, they do not
penetrate far, only 1 inch in air !
you can pick up beta, but must be thin
With PMT and scintillator most use a light blocker, black paper and
electrical tape but that stops alpha and some beta
Use steel and you can still pickup gamma, and cosmic particles. I use a 1
gallon paint can.
There is no one fits all solution.
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