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A third liquid that will not mix ? Answered

I've made an oil dropper/hourglass, i have used water and (olive)oil because they will not mix. is there a third liquid that i could add without it mixing with the oil or water ?

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Burf (author)2012-09-25

I would use mercury (but don't ignore the proper safety precautions) distilled water and mineral oil, not vegetable oil.

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Kiteman (author)2012-09-25
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rabarbarbaar! (author)Kiteman2012-09-25

Thank you, But the problem is that the falling droplets of water will mix a bit with the alcohol.
The oil and the water will separate in seconds.
I was wondering if there was a third one that would separate that fast and thus will keep those nice layers while droplets of the heaviest liquid keep on falling through.

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rickharris (author)2012-09-25

This may require some experiments

dark corn syrup or honey
dishwashing liquid
water
vegetable oil
rubbing alcohol

do not mix in that order.

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