Thermometer question

Martin Leach leach at acs.bu.edu
Mon Dec 12 17:24:08 EST 1994


In article <1994Dec12.140127 at opal.tufts.edu>, kmorris1 at opal.tufts.edu
wrote:

> The red liquid in our thermometers seems to have "split"... ie, there are
> several small "pieces" no longer attached to the larger reservoir.  The
> thermometer, as a result, no longer reads accurately.  Is there any way to
> "reattach" the whole column of liquid together?  They are -20 - 110 degree
> thermometers, BTW.  Also, does anyone know why this happened?  Can we avoid it
> in the future?  Thanks in advance,
> 
>
How about putting it in a dry-ice/etoh bath....i.e. below -20....see if you
can make it all contract and reform in the bulb.

Martin
-- 

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