Pura Disc 13mm PVDF Syringe Filters, 0.45um, 100/Pk
Whatman SKU: 6779-1304

Whatman Puradisc PVDF Syringe Filters, 0.45 µm, 13 mm, 100/Pk - 6779-1304

Whatman standardizes its manufacturing platform to the point that consistency and thorough lot-level records come as a default, exactly what analytical laboratory work demands. A syringe filter's small hold-up volume limits sample loss, a meaningful difference when working with a limited or precious sample. A hydration layer at the pore surface keeps HPLC analytes from adhering and rejects particles above its absolute size threshold. The PP housing stays inert across common laboratory solvents and buffers in routine use while pressing snugly against the membrane during the pass and sheds virtually no extractable material into the sample. Where analytical results depend on clean samples, the preparation step stays consistent from sample to sample through a pre-tested syringe filter.

Membrane Characteristics

• Thin membrane structure sustains high flow for fast sample throughput
• Limiting oxygen index runs high, supporting flame resistance and low smoke
• Filtration preserves mammalian cell viability, phenotype, and growth
• Cast membrane structure releases no fibers, unlike depth-media prefilters
• Organic solvent resistance beats PES or nylon at comparable pore size

Housing Characteristics

• Dilute aqueous acids, bases, and alcohols used in sample prep do not degrade the polypropylene housing
• The seal formed against the membrane blocks bypass at rated operating pressure
• Minimal ionic background from the polypropylene housing supports ion chromatography and trace-metal ICP-MS sample preparation.
• Thermal-bonded construction keeps adhesives out of the fluid path

Clarify your routine aqueous samples in a single pass and cut down on juggling multiple filter types at the bench. Consistent aqueous clarification clears particulates without slowing your bench routine across the buffers and reagents your day-to-day prep depends on. Start a live chat with our customer support technicians for quick answers to your compatibility, sizing, and sterility questions.

For more information about chemical compatibility, please review our Chemical Compatibility Chart.

Bubble Point (psi)

1.2 bar (17 psi)

Burst Pressure (psi)

75psi

Connection Type

Luer-Lok/ Luer Slip

Construction

Polypropylene

Diameter

13mm

Filtration Area

1.3cm²

Holdup Volume

<25µl

Material

Polyvinylidene Difluoride (PVDF)

Maximum Operating Pressure

75psi

Maximum Operating Temperature (°C)

121°C

Pack Count

100

Pore Size (µm)

0.45

Prefilter (Yes/No)

No

Sterility

Nonsterile

Sterilization

Autoclavable 121°C

Volume Throughput (ml)

Up to 10ml

Wettability

Hydrophobic

• QuEChERS Extract Prep - Removes co-extracted waxes and pigments from QuEChERS extracts, protecting GC-MS and LC-MS systems during pesticide testing.
• Pharmaceutical QC - Supports routine quality control testing by reliably filtering mild organic solvent mixtures and drug formulations daily.
• Dissolution Testing - Removes undissolved particles from timed USP 711 dissolution aliquots, preventing skewed potency and release results.
• Microbiome Sampling - Concentrates waterborne microbial cells on a low-binding membrane ahead of DNA extraction and metagenomics sequencing.
• Water Quality Monitoring - Clarifies environmental and drinking water samples ahead of turbidity, ion, or contaminant testing in monitoring programs.
• Protein Purification - Facilitates routine clarification of chromatography samples, preventing column fouling without binding target proteins.