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wwPTFE membrane disc filters

Membrane with chemical compatibility for aqueous solutions and aggressive solvents

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产品详情

wwPTFE membrane disc filters, a Pall Life Sciences product, deliver chemical compatibility for aqueous solutions and aggressive solvents.

Maximum versatility. Filters aqueous solutions or aggressive chemicals.
Low protein binding membrane gives high recovery of critical proteinaceous samples.
HPLC certified. Provides assurance that the filter will not add artifacts to your analysis.
Low API adsorption.

Specifications

Filter Media

Hydrophilic polypropylene

Pore Size

0.2 and 0.45 µm

Typical Thickness

0.2 µm: 101 µm (4.0 mils)
0.45 µm: 114 µm (4.5 mils)

Typical Water Flow RatemL/min/cm2 at 0.7 bar (70 kPa, 10 psi)

0.2 µm: 20
0.45 µm: 31

Maximum Operating Temperature

55°C (131°F)

Minimum Bubble Point – IPA

0.2 µm: 1 bar (100 kPa, 14.5 psi)
0.45 µm: 0.63 bar (63 kPa, 9.1 psi)

Applications

Our number-one choice for filtering HPLC mobile phases
Available in 0.2 μm for UHPLC
Suitable for pharmaceutical HPLC applications

Performance

wwPTFE Membrane is Virtually a Universal Membrane for All Applications

PTFE

Proteinaceous: –
General Aqueous: –
Non-Aggressive Organic: ++
Aggressive Organic: ++

PVDF

Proteinaceous: ++
General Aqueous: ++
Non-Aggressive Organic: +
Aggressive Organic: –

Nylon

Proteinaceous: +*
General Aqueous: ++
Non-Aggressive Organic: +
Aggressive Organic: –

++ Recommended
+ Suitable
– Not Recommended
* Dependent on protein type and concentration

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