Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: First PCB

From: "mycroft2152" <mycroft2152y@...>
Date: 2007-01-10

Hydrogen Peroxide is still used in food processing to disinfect
packages. For aseptic packaging, milk cartons are first sprayed with
H2O2 and then heated. The heat decomposes the H2O2 to water and O2
and the carton is then filled and sealed. This all happens in a
matter of seconds.

Myc

--- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@...> wrote:
>
> On Wed, 10 Jan 2007 17:56:58 +0100, Lez <lez.briddon@...> wrote:
>
> >
> > Can someone explain what this really is?
> > Such names are meaningless in any other country except the states?
> > Hydrogen peroxide I think is hair bleach, but if I buy that its
> > probably got other things in it to spoil it.
> > What is a muriatic ?
> > Citric acid is citrus which is orange and lemons, but whats a
muriatic
> > tree look like....
> > Sorry for giving eveyone a laugh but like I have said before,
this is
> > the UK, we only have maplins and the farm for milk and eggs....
> > Lez
>
>
> Muriatic acid is really called hydrochloric acid, HCl, muriatic
acid is
> indeed a US thing, and comes in a variety of (mis-)spellings. I do
not
> know what "muriatic" comes from either.
>
> Hydrogen peroxide is the correct name for the second chemical
though,
> H2O2. Seems just like water, but has more oxygen, which is what we
need
> from it. It is used in "peroxide" bleach. It was used in the "old
days" to
> disinfect, similar to iodine (stings too i'm told).
>
>
> ST
>