Whatman
Pura Disc 4 mm PTFE Syringe Filters, 0.2um, 100/Pk SKU: 6784-0402

Whatman 4 mm Puradisc Filters are produced from pigment-free polycarbonate with standard inlet (female luer lock) and outlet (male luer) connections. Options include a sterile, medical-grade blister pack for critical applications and a special tube tip outlet that allows the sample to be accurately dispensed into a micro-vial, eliminating air lock.

This Puradisc 4 syringe filter combines premium quality with economic efficiency. They are well suited for rapid, routine syringe filtration of samples Up to 2 ml. 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 Puradisc membrane media support diverse chemical solvents and compounds.

This model has a 0.2 µm pore polytetrafluoroethylene membrane that is hydrophobic, chemically stable, and inert. It exhibits low protein binding, and is perfect for the filtration of non-aqueous samples.

Note: prior to filtering of aqueous samples, the membrane must be pre-wetted with a water-miscible organic solvent.

Construction

Polypropylene (PP)

Diameter

4mm

Material

Polytetrafluoroethylene (PTFE)

Pack Count

100

Pore Size (µm)

0.2

Sterility

Nonsterile

Wetability

Hydrophobic