Why do some fluids work in a diffusion cloud chamber and others don't?

Subject: Why do some fluids work in a diffusion cloud chamber and others don't?

Date: Thu Jan 16 11:46:57 2003
Posted by Stephen Widmark
Grade level: teacher/prof School: Mountain View High School
City: Mountain View State/Province: CA Country: USA
Area of science: Physics
ID: 1042735617.Ph

Message:


Methyl, ethyl, and isopropyl alcohols work well in dry ice diffusion cloud 
chambers,and I hear that ethylene glycol works in a heated cloud chamber.  Why 
can't water be made to work well?  What are the criteria for a usuable working 
fluid?  Is there a good theory on this or were these fluids discovered by trial 
and error?

Re: Why do some fluids work in a diffusion cloud chamber and others don't?

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