Gail Shaw wrote:
> 
> >
> >Hi Gail.
> >
> >AFAIK the index of refraction is linked to the density of the
> >matter. You have to find the density of ethane at the point you
> >specified and then compared it to the densities and iors you know.
> >It's an approximation but better then nothing.
> >
> >Check this:
> >
> >http://webbook.nist.gov/chemistry/fluid/
> >
> 
> Nice. Is there a formula relating ior and density of liquid or should
> I just guess?
> 
> Thanks
> Gail

Try to find two fluids with similiar densities, then try to inter- or
extrapolate the values. It will be hard for somebody to prove that
you are wrong :)

Marc

-- 
Marc Schimmler

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