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Q: Phase diagram ( No Answer,   5 Comments )
Question  
Subject: Phase diagram
Category: Science > Chemistry
Asked by: je-ga
List Price: $8.00
Posted: 16 Jun 2002 13:12 PDT
Expires: 23 Jun 2002 13:12 PDT
Question ID: 27561
I need some real figures for the phase diagram of a water-alcohol
mixture in the solid/liquid region. A table listing the freezing point
of water-alcohol mixtures is NOT enough.  It would be OK if it
included the composition of the solid freezing out (i.e. in
equilibrium with the liquid) as well as the liquid. In other words I
need the solidus line as well as the liquidus, the latter being easy
to find on the Web. Please don't refer me to a book: if you can't find
it on the Web but have it on paper, please copy the table out - even
10 degree steps covering -10 to -90 would be enough to go on.

Clarification of Question by je-ga on 16 Jun 2002 17:25 PDT
OK ob2, that was what I'd already found - as I said, it hasn't got the
composition of the solid.

Third-eye: sorry, I meant ethanol. Yes, I do want it over temperature
- as I said, -10 to -90 would be just fine. Pressure is normal
atmospheric. Think in terms of freezing vodka with dry ice :)
Answer  
There is no answer at this time.

Comments  
Subject: Re: Phase diagram
From: davidsar-ga on 16 Jun 2002 13:24 PDT
 
Harder than I thought.  But I did find a coll phase diagram for the moon!
Subject: Re: Phase diagram
From: angel1-ga on 16 Jun 2002 13:34 PDT
 
the moon! lol!
Subject: Re: Phase diagram
From: ob2-ga on 16 Jun 2002 14:44 PDT
 
I don't have a clue what i'm talking about, so these may be completely
useless to you.

http://st-support-cooling-electronics.web.cern.ch/st-support-cooling-electronics/CWGWeb/Table%208-3-2.htm

if this is drivel, just pretend i never spoke up.
Subject: Re: Phase diagram
From: 3rd_eye_of_ra-ga on 16 Jun 2002 15:03 PDT
 
By "alcohol" do you mean ethanol, butanol, isopropyl... ? 
Do you want phase as a function of temperature, or will you settle for
pressure-induced solidus?
Subject: Re: Phase diagram
From: 3rd_eye_of_ra-ga on 16 Jun 2002 15:18 PDT
 
By "alcohol" do you mean ethanol, butanol, isopropyl... ? 
Do you want phase as a function of temperature, or will you settle for
pressure-induced solidus?

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