Archived posting to the Leica Users Group, 2003/08/02
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At 3:15 PM -0700 8/2/03, Jack McLain wrote:
>100 proof is 50% ETOH (proof is 2X percent)
>cheers
>Jack
>
>----- Original Message -----
>From: "animal" <s.jessurun95@chello.nl>
>To: <leica-users@mejac.palo-alto.ca.us>
>Sent: Saturday, August 02, 2003 2:22 PM
>Subject: Re: [Leica] single malt-free prrof question
>
>
>> What does 100 proof mean?
>> That the mixture ignites at room temperature?
>> If so it is about equal to our european 40 percent by volume.
>> The "cask strength that is sold here is over 60 percent volumetric.
>> regards
>> simon jessurun
> > --
Actually, it's more complicated (what isn't?).
100% alcohol is 200 US proof and 175 UK proof.
So 80 proof is 40% ABV (alcohol by volume) in the US and nearly 46%
ABV in the UK and wherever else that standard applies.
For more info and also an explanation of how proof got to be defined see:
http://www.bruichladdich.com/strength.htm
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* Henning J. Wulff
/|\ Wulff Photography & Design
/###\ mailto:henningw@archiphoto.com
|[ ]| http://www.archiphoto.com
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