[Homeroast] Using CO2 to preserve freshness?

Ryan M. Ward silvercro_magnon at hotmail.com
Wed Apr 21 16:18:59 CDT 2010


"Rn gas is not reactive, but the disintegration produces ionizing radiation.
Could be a preservative, but would produce radioactive coffee!"
Hmmmmm..... This is getting interesting.... 

I wonder if drinking it would give you super powers like in the movies...
-- 
Ryan M. Ward

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> Date: Wed, 21 Apr 2010 00:25:39 -0600
> From: raymanowen at gmail.com
> To: homeroast at lists.sweetmariascoffee.com
> Subject: Re: [Homeroast] Using CO2 to preserve freshness?
> 
> "...use Helium instead of CO2?
> Helium is a noble gas and wont react"
> 
> It wouldn't have a chance- the evolving CO2 molecules would displace the
> light He2 molecules to the penthouse.
> 
> As everybody has probably figured out by now, the CO2 concentration does not
> increase in lower levels of a home, for the reason that the place is either
> heated or cooled, depending on the season.  The air mass is never stagnant
> 
> The very dense Radon gas (Rn) does accumulate in the bottom levels of
> "green" sealed homes. Requires expensive mitigation, but people in the lower
> levels of modern green buildings appreciate the efforts. The radium (Ra)
> daughters have very short half-lives, <4 days for the Rn-222 isotope.
> 
> Rn gas is not reactive, but the disintegration produces ionizing radiation.
> Could be a preservative, but would produce radioactive coffee!
> 
> Cheers, Mabuhay -RayO, aka Opa!
> 
> Got Grinder?
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