----- Original Message -----
From: Spehro Pefhany <speff@interlog.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
Sent: Wednesday, June 01, 2005 6:40 PM
Subject: Re: [OT] Common, safe boiling points.


> At 11:32 AM 6/1/2005 -0500, you wrote:
> >Yep.  I have a pressure sensor in here as well, though pressure has been
> >fairly close to standard so far.
> >
> >Cheers,
> >-Neil.
>
> The other problem with BP under typical conditions is superheating.
> You might have 3 or 4 degrees C error due to that alone.

Use a neucliating agent such as small bits of broken glass to help in the
conversion of liquid to gas.

Also search for "partial vapour pressures" on the web. You can keep a reasonably
constant concentration if you use large volumes and a reflux condenser.

Regards
Sergio Masci

http://www.xcprod.com/titan/XCSB - optimising PIC compiler
FREE for personal non-commercial use





-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist