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Question
How do we separate two missible liquids with same boiling point?
How do we separate two missible liquids with same boiling point?
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Solution
The best option is definitely HPLC (high performance liquid chromatography), which separates liquids by forcing them through a column packed with (usually) silica coated with organic ligands.
If you don’t have an HPLC instrument, you can try cooling them until one freezes and then separating the solid from the liquid.
Another option is centrifugation, if the two liquids have significantly different densities. You’d have to decant at least one of the layers as soon as the centrifuge stops or they’ll mix again, but it would separate the two liquids. It’s definitely not as good as chromatography, but it would work.
These are all advanced topics and you will study more about these in the future.
If you don’t have an HPLC instrument, you can try cooling them until one freezes and then separating the solid from the liquid.
Another option is centrifugation, if the two liquids have significantly different densities. You’d have to decant at least one of the layers as soon as the centrifuge stops or they’ll mix again, but it would separate the two liquids. It’s definitely not as good as chromatography, but it would work.
These are all advanced topics and you will study more about these in the future.
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