Cytiva Puradisc 2, 0.45U, 1000 Items WHAT6790-2504

These syringe filters with pigment free PP housing are well suited for rapid, routine syringe filtration of samples up to 100 ml.

• Optional tube tip format for accurate dispensing into a microvial Optional sterile, medical-grade blister pack

Puradisc™ syringe filters are suitable for a wide variety of sample types and applications, including capillary electrophoresis, biological preparations, protein filtration and UV spectroscopy sample preparation.

CA syringe filters have very low protein binding, so they are suitable for protein recovery applications. They are hydrophilic, making them functional with aqueous and alcoholic media although they have limited solvent resistance. Nylon membrane filters are hydrophilic, flexible and tear resistant. They are resistant to a range of organic solvents and suitable for use with high pH samples. Nylon binds proteins, which makes it unsuitable for protein recovery applications. Hydrophilic PES membranes are designed for stability in low pH, have low levels of extractables and exhibit low protein binding, making them suitable for many aqueous and organic solvents. PES membranes allow higher liquid flow than either PTFE or PVDF.

PVDF membranes are designed for high tensile strength, high solvent resistance and low protein binding, making them suitable for biomedical filtration, sterilisation filtration and HPLC sample preparation. PP syringe filters have high and uniform tolerance to heat and mechanical stress. The slightly hydrophobic membrane is resistant to a wide variety of organic solvents.

Hydrophobic PTFE membranes are chemically stable and inert. They have low protein binding and are mainly suitable for filtration of non aqueous samples. Prior to filtering of aqueous samples, the membrane must be pre wetted with a water miscible organic solvent. GMF is hydrophilic and has excellent compatibility with organic solvents and strong acids (except hydrofluoric acid) and bases. However, it is not a micropore membrane and so has a slightly less exact retention efficiency than polymeric membranes. GMF can also contribute extractables that interfere with ionic and metals analysis.

* GD - graded density