{"product_id":"whatman-puradisc™-ptfe-syringe-filters-non-sterile","title":"Whatman Puradisc™ PTFE Syringe Filters Non-Sterile","description":"\u003cdiv\u003e\n\u003cp\u003eWhatman™ Puradisc™ non-sterile syringe filters with polytetrafluoroethylene (PTFE) membrane combine premium quality with economic efficiency.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"cui-list cui-list--bullet\"\u003e\n\u003cli\u003eChoice of 4 mm, 13 mm, 25 mm, and 30 mm syringe filter diameter to suit sample volume\u003c\/li\u003e\n\u003cli\u003eRange of pore sizes for retaining a variety of particles\u003c\/li\u003e\n\u003cli\u003eOptional sterile, medical-grade blister pack\u003c\/li\u003e\n\u003cli\u003eOptional tube-tip format for accurate dispensing into a micro-vial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cp\u003eWhatman™ Puradisc™ syringe filters cater to a wide variety of sample types and applications, including capillary electrophoresis, biological preparations, protein filtration, and UV spectroscopy sample preparation. Different membrane media support diverse chemical solvents and compounds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"-spacing--bottom-24\"\u003e\n\u003ch2\u003ePolytetrafluoroethylene (PTFE) syringe filter options\u003c\/h2\u003e\n\u003cp\u003eThe Whatman™ Puradisc™ PTFE syringe filter is a hydrophobic membrane that is chemically stable and inert. It exhibits low protein binding, and its main application is filtration of non-aqueous samples. Prior to filtering of aqueous samples, the membrane must be pre-wetted with a water-miscible organic solvent.\u003c\/p\u003e\n\u003cp\u003ePuradisc is available in the following membrane materials: regenerated cellulose (RC), cellulose nitrate, nylon, polytetrafluoroethylene (PTFE), polyethersulfone (PES), polypropylene, polyvinylidene difluoride (PVDF), and cellulose acetate.\u003c\/p\u003e\n\u003cp\u003eCytiva also offers high-performance GD\/X syringe filters with a multi-layer glass fiber prefilter for filtering larger volumes of harder-to-filter samples.\u003c\/p\u003e\n\u003ch2\u003eISCC+ certified Biobased polypropylene housing (25mm devices):\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e90% Biobased plastic resin.\u003c\/li\u003e\n\u003cli\u003eBiobased plastic resin is ISCC Plus certified using Mass Balance approach.\u003c\/li\u003e\n\u003cli\u003eThe polypropylene accounts for 95% of the weight\/composition of the syringe 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