Hydrogen fluoride comes to mind, but it's probably not an important pollutant in... | Hacker News

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		ScottBurson on July 2, 2012 \| parent \| context \| favorite \| on: Nanoporous Graphene Could Outperform Best Desalina... Hydrogen fluoride comes to mind, but it's probably not an important pollutant in most of the water sources we care about. I can't think of anything else that small that would be a problem.

WiseWeasel on July 2, 2012 [–]

Wouldn't hydrogen fluoride just be fluoride ions in solution? Water molecules tend to clump around charged ions, which might impede traversal of the membrane.

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