Re: CR-39 for "cold fusion"

[Bernard Cleyet <anngeorg@PACBELL.NET>]

Why don't you use a phosphor and a MPT, a lot faster and one can collect the counts
with Lab Pro, etc.

bc

Brian Whatcott wrote:

> CR-39: polyallyl diglycol carbonate.
> This was apparently a material adopted by U Bristol (UK) for radon testing etc.
> I see that a UK distributor is offering a kit of 30 one square inch squares
> for schools, where the development is included in the price of around $50.
> That offer is UK only.
>
> If all else fails, I could ask a UK correspondent to order some for you, and
> pass on the developing.
> But there must be a US supplier - can't find it quickly on the net however.
>
> Brian W
>
> At 03:30 PM 12/1/02, Ludwik, you wrote:
> > Can somebody send me pieces of CR-39 plastic, often used to
> > detect alpha particles, for example from radon. Tracks of alpha
> > particles stopped in sheets of that material  become visible (and
> > countable) under microscope, after being etched in NaOH. I will
> > be happy to reimburse you. Please contact me first at
> > kowalskil@mail.montclair.edu
>
> /snip/
> Brian Whatcott
>    Altus OK                      Eureka!
>
> This posting is the position of the writer, not that of SUNY-BSC, NAU or the AAPT.

This posting is the position of the writer, not that of SUNY-BSC, NAU or the AAPT.