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A comment on Graphene: The perfect water filter. Parent comment

Re:Graphene: The perfect water filter by kijin on Saturday January 28, 2012 @02:41AM (#3521568)
Off the top of my head, I can think of one toxic substance that easily mixes with water and boils below 100°C: methanol.

Some hydrocarbons might also fit the description.

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Re:Graphene: The perfect water filter by seanalltogether on Saturday January 28, 2012 @09:47AM (#3522175)
You're right, which would explain why they experimented with vodka. It seems this filter is better at filtering water out of a substance, rather then filtering substances out of water.
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