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Can I make the PTFE syringe filter more hydrophilic?

Reference Number: AA-00548 Created: 04/22/2012 02:17 PM Last Updated: 07/23/2016 08:47 PM

Yes, if you are wiling to introduce Methanol into your method. For a 25mm device, if you use 15-20mls of methanol as a blank filtrate, the membrane will give you less back pressure after that for aqueous samples. This is due to “wetting” the membrane with Methanol allowing more aqueous solvents to pass through it with less back pressure. 

 Syringe Filters Information 


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