Whatman PS description (http://www.whatman.plc.uk/products/analytical/specialty/a_pd_speci_001.html)
(http://www.whatman.plc.uk/products/analytical/specialty/a_pd_speci_001.html)
It says complete seperation of phases but nothing about drying solvents, it would work well for phase sep which is described purpose.
However i dont think it would be a complete solution for drying solvents otherwise such a great feature would be listed on the page...
http://www.whatman.com/index2.html (http://www.whatman.com/index2.html)