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ValuPrep syringe filters

Reliable syringe filters for HPLC and UHPLC sample processing and clarification

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产品详情

ValuPrep™ syringe filters, a Pall Life Sciences product, are reliable, high-quality syringe filters for HPLC and UHPLC sample processing and clarification.

Syringe Filters.
Apply gentle pressure to begin filtration. (A gentle pressure helps assure maximum throughput.) CAUTION: As the
filter removes particulate, filtration will become more difficult (the syringe plunger will be harder to use) and pressure
will rapidly increase on the filter. Change filters when resistance becomes excessive. Failure to change filter may result
in membrane rupture, which results in particulate contaminating the filtrate. These filters are for single use only.

Specifications

Materials of Construction

Filter Media:
wwPTFE: wwPTFE membrane (hydrophilic polytetrafluoroethylene)
PTFE: Hydrophobic polytetrafluoroethylene membrane on a polypropylene support
Nylon: Hydrophilic nylon membrane
PVDF: Hydrophilic polyvinylidene fluoride membrane
Housings: Polypropylene

Pore Size

0.2 and 0.45 µm

Effective Filtration Area

25 mm: 2.8 cm2
Sample Volume
25 mm: <100mL

Inlet/Outlet Connections

Female Luer-Lok inlet/male luer outlet

Typical hold-up volume (with air purge)

25mm: <100 µL

Maximum Operating Temperatures

wwPTFE and Nylon 55°C (131°F)
PTFE and PVDF 100°C (212°F)

Maximum Operating Pressure

PVDF: 3.4 bar (340 kPa, 50 psi)
Nylon: 6.2 bar (620 kPa, 90 psi)
wwPTFE and PTFE: 6.9 bar (690 kPa, 100 psi)

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