A materials search, molecular science?

Subject: A materials search, molecular science?

Date: Tue Aug 19 14:56:00 2003
Posted by No name entered.
Grade level: grad (non-science) School: No school entered.
City: Montreal State/Province: Quebec Country: Canada
Area of science: Chemistry
ID: 1061322960.Ch

Message:


Does any material exist, in the form of permeable sheets, which allows some 
liquids through it but not others? Would this same material (if it existed) be 
able to stop molecules of water from passing through it, or only allowing 
molecules of water through and stopping all other kinds (like oils, etc.) Any 
pertinent information would be useful here. Thank you.

Re: A materials search, molecular science?

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