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Questions tagged [separation-techniques]

For questions about the separation of mixtures and solutions into pure compounds

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What is the principle of “scrubbing” in liquid extraction or solvent extraction?

There are many steps in solvent extraction: Extraction Scrubbing Back extraction I understand the 1st and the 3rd. What is the principle of scrubbing? Is it just washing the organic phase? How ...
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Hypothetically, can sufficiently powerful centrifugation separate normally miscible chemicals of differing densities?

Centrifugation is used to separate phases in suspensions by density. I read that this is not possible with colloids and solutions, but the distinction between the three seems to be optical properties ...
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Removing chloride ions from humic acid purification

I used HF and HCl in humic acid purification, and now I need to remove the Cl ions from solution. What should I do to remove the Cl ions? Do I just wash it with distilled water, or is there another ...