Re: Ozone and Safety

["Pholp Smiff" <kawanze-at-hotmail-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

I thought ozone was formed when O2 came in contact with ultraviolet 
radiation.


>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: Ozone and Safety
>Date: Fri, 25 Aug 2000 16:04:45 -0600
>
>Original poster: "Steve" <Steve-at-g8cyerichmond.freeserve.co.uk>
>
>I used to have an ozone generator as a piece of lab apparatus. This did not
>use arcs, but what used to be called a silent discharge (corona discharge).
>This consisted of a pair of concentric glass tubes. The inside of the inner
>tube was lined with metal foil, the outer tube was covered with foil on the
>outside. Oxygen gas was passed through the space between the tubes, and 
>high
>voltage from an induction coil was applied between the two foils. Basically
>a hot arc produces very little if any ozone, the temperature is too high.
>Monatomic oxygen that is produced reacts instead with nitrogen to produce
>nitrogen oxides.
>The smell of ozone is actually quite distinctive, and unlike that of
>nitrogen dioxide which has a far more penetrating smell. Recently I 
>analysed
>the deposit on a couple of spark gaps, there was virtually no oxide present
>(which you would expect if ozone was present at any concentration), what I
>did find was nitrates!
>----- Original Message -----
>From: Tesla list <tesla-at-pupman-dot-com>
>To: <tesla-at-pupman-dot-com>
>Sent: Friday, August 25, 2000 3:01 PM
>Subject: RE: Ozone and Safety
>
>
> > Original poster: "Ted Rosenberg" <Ted.Rosenberg-at-radioshack-dot-com>
> >
> > Chris: Not sure I agree with you on this one.
> > Way back before the transistor, I was fooling around with an 01A radio
>tube
> > and a Ford Model T spark coil trying to make X-Rays based on an article 
>in
> > Scientific American.
> > I can remember the smell of ozone even now. That was the first time I
>recall
> > smelling it.
> > The JL puts out a small amount which appears to dissapate quickly.
> > A TC would not I'd imagine based solely on the difference in discharge.
> > I'll know for sure soon enough. First light is planned for next week! 
>Hope
>I
> > can do this without sleep.
> >
> > Ted Rosenberg
> > Geek Group Member #55
> > www.thegeekgroup-dot-org
> > Because the Geek shall inherit the Earth!
> >
> >
> > -----Original Message-----
> > From: Tesla list [mailto:tesla-at-pupman-dot-com]
> > Sent: Thursday, August 24, 2000 8:57 PM
> > To: tesla-at-pupman-dot-com
> > Subject: Re: Ozone and Safety
> >
> >
> > Original poster: "Christopher Boden" <chrisboden-at-hotmail-dot-com>
> >
> > Ted, I may be wrong, but this was taught to me back when I first got 
>into
> > HV. It may or may not be correct.
> >
> > When you're making arcs (i.e. Tesla Coil discharges, Jacobs Ladders, or
> > sticking a toaster in the bathtub) you're not making Ozone, it's the
> > Nitrogen Oxides (just as nasty) that make the sweet smell.
> >
> > When you're making Corona (bottle caps, below breakout, and wrapping a
> > flouresant tube with wire and connecting it to an NST), THEN you're 
>making
> > Ozone. That's the fresh smell.
> >
> > Right?
> >
> > Crispy Chris B.
> >
> >
> > >
> > >Original poster: "Ted Rosenberg" <Ted.Rosenberg-at-radioshack-dot-com>
> > >
> > >FWIW: I had a 3 foot tall Jacobs Ladder running continuously for 8 
>hours
> > >and
> > >with normal ventilation motion, I detected no ozone at all.
> > >
> > >Ted
> > >
> > >========================
> > >Subject: Re: fire safety
> > >
> > >Original poster: "David Trimmell" <davidt-at-pond-dot-net>
> > ><snip>
> > >Although not a expert (at anything ;-)), I would hazard that the 
>"levels"
> > >of O3 generated by a standard "indoor" Tesla Coil would not come close 
>to
> > >generating enough free Ozone to make a difference. Although deadly
> > >concentrations can accumulate for many organisms (us!). Just IMHO.
> > ><snip>
> > >
> > >At 07:30 PM 8/23/00 , you wrote:
> > > >Original poster: Tesla729-at-cs-dot-com
> > > >
> > > >Hi Macolm,
> > > >
> > > >Although I am not personally trained in hazardous materials, I
> > > >would gander that ozone would considerably accelerate the ox-
> > > >idation process of burning, since ozone is a very potent oxidi-
> > > >zing agent. Anyone who has done much prolonged coiling in
> > > >a relatively unventillated room can attest to the fact that exposed
> > > >metal surfaces rust and corrode more quickly than -at- ambient
> > > >conditions. I think a previous posting placed the TLV of O3 at
> > > >0.5 PPM. Pretty potent stuff to say the least. TLV- Threshold
> > > >Limit Value, PPM- Parts Per Million.
> > > >
> > > >Good, Safe Coilin',
> > > >David R.
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
> >
> > 
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