Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

Can I filter aqueous solutions through a polytetrafluoroethylene (PTFE) hydrophobic membrane?

April 26, 2017aqueous filter hydrophobic membrane polytetrafluoroethylene PTFE solutions

0

Posted

Can I filter aqueous solutions through a polytetrafluoroethylene (PTFE) hydrophobic membrane?

1 Answer

0

Posted

A. Yes you can, but the membrane requires pre-wetting with alcohol (like Isopropanol or Methanol) to establish flow with reasonable pressure differentials. We often use a 60/40 solution (60 Isopropanol/ 40 water) to prewet the membrane.