Re: barium titanate doorknob caps

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jason Petrou by way of Terry Fritz <twftesla-at-uswest-dot-net>" <jasonp-at-btinternet-dot-com>

I think that youre right - Barium Sulphate is used as a radioactive tracer
in medicine (I think)

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, April 15, 2001 2:46 AM
Subject: Re: barium titanate doorknob caps


> Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<evp-at-pacbell-dot-net>
>
> > Keep in mind though that Barium anything (salts, oxides, nitrates etc)
are
> > very toxic.
> >
> > --jeff
>
> I think you men Beryllium rather than Barium.  As anyone who has ever
> had a GI X-Ray exam, it is quite common to use Barium (something
> soluble, don't know which salt) taken internally to define the
> intestines.  Don't believe that would be done if it were toxic at all.
>
> > ----- Original Message -----
> > From: "Tesla list" <tesla-at-pupman-dot-com>
> > To: <tesla-at-pupman-dot-com>
> > Sent: Friday, April 13, 2001 3:18 AM
> > Subject: Re: barium titanate doorknob caps
> >
> > > Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
> > <uncadoc-at-juno-dot-com>
> > >
> > > Hi Jeff,  These sound promising, can you give more details?  Do you
have
> > > these for sale?   What do they cost?   Al.
> > >
> > > On Tue, 10 Apr 2001 20:36:53 -0600 "Tesla list" <tesla-at-pupman-dot-com>
> > > writes:
> > > > Original poster: "cougercat by way of Terry Fritz
> > > > <twftesla-at-uswest-dot-net>" <felix1063-at-home-dot-com>
> > > >
> > > > Hi folks,
> > > >
> > > > We use to use a barium titanate transducers for high powered depth
> > > > sounders.
> > > > These transducers were approx 1 inch thick with 2 silvered surfaces
> > > > for
> > > > driver connections.  Could these be converted into capacitors?
> > > > Anyone have
> > > > any ideas?
> > > >
> > > > --jeff
>
>
> Seriously doubt that these devices would work at all for TC use.
> Probably the wrong titanate.  One could find out pretty easily by
> measuring the capacitance and dissipation factor.  If the capacitance is
> in the right range and the dissipation factor (at RF, of course) is low
> enough, they should work.
>
> Ed
>
> Ed
>
>
>
>