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PTFE Syringe Filters,STR, 0.22µm, 13mm, PP prefilter, 100 pk
| Polytetrafluoroethylene (PTFE) - Hydrophilic or Hydrophobic • PTFE membranes are inherently hydrophobic; they are ideal for the filtration of nonpolar liquids and gases • Very resistant to solvents as well as acids or bases • Can be made more hydrophilic by flushing with alcohol, followed by water • Used for filtering and de-gassing chromatography solvents • Permits optimal utilization of small sample volumes • Excellent chemical compatibility for filtering harsh chemicals that destroy other membrane materials • Moisture barrier for venting applications and vacuum pump line protection • Ideal for aerosol sampling • Filter viscous organic-based HPLC samples • Glass microfiber prefilter raises absorption capacity and loading • After pre-wetting with alcohol, may be used for fine particle removal of aqueous and mild organic solutions in Ion Chromatography |
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