Pura Disc 13mm GF/F GMF Syringe Filters, 0.7um, 100/Pk
Whatman SKU: 6825-1307

Whatman Puradisc Glass Fiber (GF) Syringe Filters, 0.7 µm, 13 mm, 100/Pk - 6825-1307

Whatman's filtration expertise, refined across a century-plus of disciplined manufacturing, has made its name synonymous with laboratory-grade quality worldwide. Individually packaged and pre-tested, a syringe filter needs no functional check before use the way a shared reusable holder does. The glass microfiber matrix delivers nominal retention as a depth medium while wetting rapidly with aqueous samples and resists chemical attack across diverse solvents. Polypropylene construction maintains a low-dead-volume internal flow path while pressing snugly against the membrane during the pass and stays inert across common laboratory solvents. Where small-volume samples must reach the instrument clean, low hold-up volume keeps sample loss minimal while the instrument stays protected from particulate damage.

Technical Specifications

• Autoclave steam sterilization at 121°C leaves structural integrity intact
• Surface silanol groups attract water molecules for immediate aqueous wetting
• Extends filterable sample volume three to seven times versus unprotected media
• Inorganic construction suits demanding sample-preparation chemistries
• Reduces bioburden and particulate load ahead of sterilizing-grade filtration

Housing Specifications

• Dilute aqueous acids, bases, and alcohols used in sample prep do not degrade the polypropylene housing
• Polypropylene density near 0.90 g/cm3 keeps housing weight low relative to denser engineering plastics
• The seal formed against the membrane blocks bypass at rated operating pressure
• Thermal-bonded construction keeps adhesives out of the fluid path

A clean particulate separation keeps your aqueous sample preparation dependable. General-purpose aqueous filtration supports the sample types you handle every day from reagent and buffer preparation through routine sample clarification. Bulk pricing kicks in on larger filtration orders, so ask the Tisch Scientific team for a quote.

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

Capacity

Up to 10ml

Connection Type

Luer-Lok/ Luer Slip

Construction

Glass Microfiber (Binder Free)

Diameter

13mm

Filtration Area

1.33cm²

Flow Rate

Fast

Material

Glass Micro Fiber

Maximum Operating Temperature (°C)

550°C

Membrane Thickness (µm)

420µm

Pack Count

100

Pore Size (µm)

0.7

Prefilter (Yes/No)

No

Sterility

Nonsterile

Sterilization

Autoclavable 500°C

Volume Throughput (ml)

Up to 10ml

Wettability

Hydrophilic

• Heavy Metal Digests - Glass fiber removes undissolved particulates from acid-digested soil and water samples ahead of ICP and AAS analysis.
• Sediment Porewater Prep - Glass fiber removes mineral and organic fines from sediment porewater samples ahead of ion and metals analysis.
• Beverage QC Prep - Removes haze-forming particulates from wine, beer, and juice samples ahead of HPLC compositional and quality-release testing.
• Bioanalytical Prep - Clears precipitated plasma and serum proteins ahead of LC-MS/MS assay, protecting columns and autosampler needles.
• Pathogen Detection Prep - Clears turbidity from food and water samples ahead of Salmonella and Pseudomonas enumeration, preventing membrane clogging.
• Suspension Culture - Depth filtration structure keeps shear stress low during harvest clarification, limiting cell lysis and contaminant release.