Ed Huntress wrote:

(...)

It sounds like it's experimenting time again. I think I"m out of naphtha,
though. But I have some methanol. I'll try to pick up some naphtha tomorrow.
(It's easier in NJ. We breathe it for fun....)

Eww!

Given that the densities of the two are close and that both are
water-clear, would it require a centrifuge and diffraction meter
to do that test?

--Winston