Olympus-OM
[Top] [All Lists]

Re: [OM] [OT] Solvents and adhesive removal

Subject: Re: [OM] [OT] Solvents and adhesive removal
From: "Terry and Tracey" <foxcroft@xxxxxxxxxxxxxxxx>
Date: Mon, 27 Nov 2000 20:09:17 +1100
Sorry about the late reply. There is a difference between US and imperial
proof ratings. It was determined by gunpowder exploding. The imperial
system, 100 proof is 50% alcohol, US version is slightly different. Dunno
why.

Foxy

----- Original Message -----

> Ray wrote -
> >I understand that gunpowder will ignite if soaked in 100 proof or
> >stronger spirit. Anything weaker prvents the gunpowder from burning.
>
> Is that what they meant by 'proof' - you could easily prove its strength?
>
> >This equates to around 50% (?) ethyl alcohol by volume.
>
> I think 70proof = 40%
>
> >Incidentally,
> >as someone explained, meths (metho in Oz) is ethyl aclohol adulterated
> >with methyl alcohol to avoid its being classed as an alcoholic drink,
> >thereby avoiding duty. I believe a purple dye is added, together with
> >ipecacuana (spelling?), which is an emetic to prevent consumption by
> >those so inclined.
>
> Makes sense. Purple dye not added in Oz, unlike the UK. Don't know about
> the ipecac emetic - haven't tested it :-)
> Andrew



< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >


<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz