[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Thinking About A Geiger Counter
- To: tesla@xxxxxxxxxx
- Subject: Re: Thinking About A Geiger Counter
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Sat, 12 Nov 2005 19:47:57 -0700
- Delivered-to: firstname.lastname@example.org
- Delivered-to: email@example.com
- Old-return-path: <firstname.lastname@example.org>
- Resent-date: Sat, 12 Nov 2005 19:48:51 -0700 (MST)
- Resent-from: tesla@xxxxxxxxxx
- Resent-message-id: <XW9pW.A.m3.SmqdDB@poodle>
- Resent-sender: tesla-request@xxxxxxxxxx
Original poster: <davep@xxxxxxxx>
> "Any thoughts would be great." How about the paper stuff that is used
> in taking x-rays of people?
Its film. Photographic film. (tho i guess paper (prin ting paper)
could be used.
trick is to get some way of calibrating the change of
optical density,. And it needs processing, a whole
bunch of chemistryr (hint: I used to do it: film developing,
tho not for rad safety, as such.)
> It would change color in the presence of
> x-rays, or at least that is what i would think.
Sort of. It has to be 'developed' with chemicals, then
'fixed' then the optical density checked. 'film badges'
were (are?) a routine exposure monitoring tool on radiation
safety work: however 'processing' and 'calibrating' the
resultant change in optical density, in a useful way, is
is somewhat complex.
Its more complex than 'red for danger'.
(additionally: 'film', too, can have stray reaction to
High Voltage, independent of xrays/particles/ Such
reactions are not likely to be a a real problem, but
can complicate things.)